- 1Wildlife Institute of India, Dehradun, Uttarakhand, India
- 2Ministry of Environment Forest and Climate Change (MoEFCC), New Delhi, India
- 3Academy of Scientific and Innovative Research (AcSIR), Gaziabad, India
Elephant mortality in Jharkhand has reached critical levels, primarily driven by anthropogenic pressures and habitat degradation, which has intensified their movement into human-dominated landscapes. We conducted a comprehensive analysis of elephant mortality trends in Jharkhand, India, spanning from 2000 to 2023. This study investigates the influence of habitat alterations, anthropogenic activities, and other ecogeographical factors on the escalating elephant mortality in the region. In the last 23 years, forest cover has changed up to 6% and subsequently, built-up areas have risen by 39.34%, further encroaching on elephant habitats and corridors. During the period a total of 225 elephant deaths were reported, with 152 of these caused by various anthropogenic activities and highest death was reported due to electrocution (n=67). The highest number of elephant deaths (anthropogenic) occurred during the monsoon season, with Ranchi division reporting the most mortalities, followed by East Singhbhum and Saraikela. At the village level, the analysis revealed that areas characterized by higher road densities and reduced forest cover experienced high elephant mortalities. This pattern suggests that increased infrastructure development and habitat degradation may be contributing to the escalation of human-elephant conflicts in these regions. These findings underscore the urgent need for conservation actions, including reforestation, establishment of protected corridors, improved infrastructure planning, and awareness generation at the local level to reduce elephant mortalities and overall human elephant conflict in Jharkhand.
1 Introduction
A critical conservation issue that has broad ramifications for both the preservation of wildlife and human livelihoods is the growing human-elephant conflict (HEC) in India. Asian elephants have historically wandered freely among habitats in India’s vast and interconnected forested landscapes (Sukumar, 2003). These landscapes have been severely disrupted, nevertheless, by post-colonial land-use changes, infrastructural development, and agricultural intensification (Roy, 2023). Elephant habitats have shrunk to smaller, isolated areas that are frequently surrounded by human settlements as a result of human populations increasing in tandem with agriculture (Choudhury, 1999). Elephant’s access to natural resources has been restricted by their confinement, which has forced them to seek food and water in human-dominated landscapes, increasing the likelihood of human elephant interaction and conflict (Leimgruber et al., 2003). In today’s scenario, expanding agriculture and infrastructure and their prolonged impacts have fragmented and degraded elephant habitats due to which HEC is more pervasive than ever (MadhuSudan et al., 2015). Elephants, being generalist herbivores, often find high quality forage in agricultural areas, leading to frequent crop- raid incidents, which creates significant economic losses for local communities (Suba et al., 2020) and often provoke retaliatory actions against elephants, including electrocution and poisoning (LaDue et al., 2021). The escalating human-elephant conflict underscores the urgent need for effective mitigation strategies to safeguard both human livelihoods and elephant populations (Bhagat et al., 2017).
In Central Indian landscape, especially Chota Nagpur Plateau, where forested areas are patchy and interspersed with rural settlements, elephants frequently traverse cultivated lands, resulting in increased conflict with residents (Mandal and Das Chatterjee, 2023). Human and elephant deaths, property damage, and psychological stress to local communities are all consequences of HEC that go beyond financial losses (Shaffer et al., 2019). Between 2010 and 2020, India experienced a significant number of human fatalities due to elephant encounters, with states like Jharkhand reporting some of the highest incidences (Guru and Das, 2021). In Jharkhand, the length of National Highways expanded from 2,402 km in 2014 to 7,791 km by 2018, reflecting rapid infrastructure development. The total area under irrigation canals in the state amounts to approximately 560.54 hectares, as reported by the Water Resource Department of Jharkhand. According to the Forest Survey of India (FSI) in 1999, elephant habitats in Jharkhand covered about 6,000 sq km, supporting a population of 600–700 elephants. However, according to the Ministry of Environment, Forest and Climate Change (MoEF&CC) 2017 report, the elephant population in Jharkhand was estimated at approximately 679 individuals, the habitat area has reportedly been reduced to around 3,800 sq km (Khan et al., 2023). This contraction of habitat, coupled with increased human activities, underscores the escalating human-elephant conflicts in the region. Elephants are known to travel long distances each year from Jharkhand’s Singhbhum and Dhalbhum forest regions into the neighboring states of West Bengal, and Odisha (Palei et al., 2016). However, this region has undergone rigorous changes due to building highways, railways, canals leading to mining, and changing agricultural practice (Latif and Palita, 2023). Due to such anthropogenic stressors elephants have ventured into areas of Hazaribagh, Ranchi, Ramgarh, Bokaro, and Dhanbad (Menon et al., 2017). The stay spans of migrating elephants from Dalma Wildlife Sanctuary, Jharkhand to Panchet Forest Division, West Bengal increased with successive years (Chatterjee and Chatterjee, 2014; Chatterjee and Mandal, 2019). The limited scattered forest patches, with interspersed agriculture land use in and around, affect the movement of elephants during the monsoon season, and have become a cause of concern for human-elephant conflicts (Khanna et al., 2001; Shaffer et al., 2019). The dynamic and evolving nature of HEC necessitates understanding not only current patterns but also historical trends to inform effective conflict mitigation strategies. A fundamental knowledge of the patterns and influences that have molded modern HEC can be gained from historical data. Spatial and temporal patterns using longitudinal data on land-use changes, conflict events, and elephant and human death. This information can be crucial for comprehending how conflict hotspots develop over time (Leimgruber et al., 2003). Furthermore, understanding historical patterns allows for assessing the long-term effectiveness of mitigation strategies, revealing whether certain interventions have reduced or inadvertently intensified conflict (Fernando et al., 2008). In the present study, the following research questions specific to the scenario of elephant mortality in Jharkhand: (i) How have the causes of elephant mortality and their spatial distribution across Jharkhand shifted over the past two decades (2000–2023)? (ii) Is there a significant association between the age and demographic characteristics of deceased elephants and specific causes of mortality, with a focus on anthropogenic stressors? (iii) How have changes in land use and land cover (LULC) during this period potentially influenced these mortality patterns? This study hypothesizes that changes in LULC including modifications to natural vegetation, landscape fragmentation, intensification of agriculture, and urbanization—are major predictors of HEC in Jharkhand (Lambin et al., 2001). It is also anticipated that proximity to protected areas and the rapid expansion of linear infrastructures (e.g., roads and railways) contribute to an increased frequency of conflict incidents (Johnsingh and Williams 1999; Sukumar, 2003; Ramesh et al., 2022). Other factors potentially degrading elephant habitats include intensive cattle grazing at forest edges and limited distance from water sources. The results of this study aim to provide a comprehensive framework for mitigating HEC in Jharkhand, reducing both elephant and human casualties. By informing policy and guiding land-use planning, this research offers strategic solutions to support the long-term conservation of elephants within Jharkhand’s increasingly fragmented landscape.
2 Study area
The study area for this research is Jharkhand, India, which lies between 21°58‛ to 25°18‛ N latitude and 83°22‛ to 87°57‛ E longitude (Figure 1). Jharkhand covers a geographical area of approximately 79,714 km², with forested regions making up around 29.5% of its area (Forest Survey of India, 2019). Jharkhand’s climate is primarily tropical with three main seasons: a hot summer from March to June, a monsoon period from July to September, and a cooler winter from October to February. Summer temperatures can rise to 47 °C, while winter temperatures can drop as low as 3 °C (Ahmad et al., 2018). The average annual rainfall in Jharkhand is about 1,400 mm, with most precipitation occurring during the monsoon months (Pandit et al., 2023). Jharkhand’s landscape is separated into three major physiographic zones: Chotanagpur Plateau, Ranchi Plateau, and Kolhan Plateau. The Chotanagpur Plateau is rich in forest resources, with both tropical moist and dry deciduous forests. These forests support a varied range of flora and animals, including elephants, which rely on them for food, water, and migration corridors (Naha et al., 2019). However, in recent decades, this region has seen significant land-use change, especially due to mining and urbanization (Ahmad and Dey, 2017; Singh, 2020). Between 1990 and 2020, massive increase of coal and iron ore mining in areas like as Dhanbad, Bokaro, and West Singhbhum resulted in major forest degradation, threatening biodiversity and elephant habitats (Singh and Upgupta, 2021). Logging, agricultural expansion, and rapid infrastructure development have significantly reduced and fragmented forest cover in regions such as Palamu and Latehar, further isolating elephant habitats and constraining their natural movement. Jharkhand is rich in mineral resources such as coal, iron ore, bauxite, and uranium, which contribute significantly to the state’s economy (Indian Bureau of Mines, 1968). However, mining activities have resulted in environmental challenges like deforestation, soil erosion, water pollution, and habitat fragmentation, harming both animal and human populations (Ranjan, 2019). These anthropogenic pressures have led to a rise in HEC incidents, as elephants often move outside of protected forest areas in search of food and water, encountering human settlements along their migratory routes (Natarajan et al., 2025). As a result, Jharkhand has witnessed frequent incidents of crop raiding, property damage, and occasional human fatalities, placing immense socio-economic strain on local communities and escalating tensions between people and wildlife (Tripathy et al., 2021).
Figure 1. Study area Map of Jharkhand State, India, with Land cover Land use types and location of elephant deaths from 2000 – 2023. The map was created using ArcGIS Pro version 3.0.0 (https://www.esri.com/enus/arcgis/products/arcgis-pro/overview).
The state’s population has grown from approximately 32.96 million in 2011 to around 38 million in 2023, increasing the demand for land and resources (CENSUS OF INDIA, 2011). This demographic growth, combined with industrial expansion, has intensified HEC, especially in areas where agriculture encroaches on elephant habitats (Natarajan et al., 2025). Many rural and tribal communities in districts like Gumla, Simdega, and Dumka depend on agriculture and forest resources for their livelihoods, making them vulnerable to HEC incidents, which impact local economies and community safety (Sahu, 2019). This socio-economic dependency on land and resources often overlaps with critical elephant habitats, creating a complex landscape where HEC and elephant mortality are prominent. Additionally, the state has a history of elephant mortalities due to electrocution, accidents with trains, and retaliatory actions, underscoring the need for a thorough understanding of mortality patterns and conflict drivers to develop effective mitigation strategies (Khan et al., 2023). Given these factors, Jharkhand serves as an essential case study to investigate the intricate relationship between human development, elephant habitat-use, and the resulting conflicts. By examining the spatial and temporal patterns of elephant mortality, this research aims to inform conservation strategies that can balance the needs of both wildlife and local communities in Jharkhand’s dynamic landscape.
3 Methods
3.1 Data analysis
A database documenting 225 elephant mortality cases was compiled from 22 forest divisions of Jharkhand over a 23-year period (2000-2023). Each mortality case was categorized based on: (1) cause of death, (2) time of incident (year, month, and season: monsoon, post-monsoon, summer, and winter), (3) division-wise distribution, and (4) age and demographic details of the deceased elephant. The causes of death were further classified (see Supplementary Table 1), with accidental deaths encompassing incidents caused by natural calamities such as drowning, lightning strikes, falls from hills, and illness. Age groups were categorized as calves (0–1 year), juveniles/yearlings (1–5 years), sub-adult males and females (6–15 years), and adult males and females (16+ years) following Arivazhagan and Sukumar (2008). The research team visited the respective forest divisions and scrutiny was undertaken to collect and verify the data from the forest divisions. The data were verified across divisions through cross- verification with respective Forest Department Offices, and duplicate or uncertain entries were carefully identified and removed to ensure accuracy in the final analysis.
3.2 Land use and land cover change & influencing factors of elephant mortality
The data was analyzed in five-year intervals (2000–2005, 2005–2010, 2010–2015, 2015–2020, and 2020–2024) using Landsat 5 TM and Landsat 8 OLI satellite imagery (2000–2023) at a 30 m spatial resolution (Figure 2). The classification process utilized six spectral bands (blue, green, red, NIR, and two SWIR), while the QA band was applied for cloud and shadow masking. For each 5 classes, a total of 1,250 random points were collected for training and validation of the Random Forest (RF) classifier, with 70% used for training and 30% for validation in each iteration. Accuracy assessment was conducted to evaluate classification performance. Image processing and classification were performed using Google Earth Engine (GEE), while ArcGIS Pro was used for sub-setting, fragmentation analysis, distance measurements, and map preparation. The Landsat dataset was classified using a supervised pixel-based RF algorithm from the “smileRandomForest” library in GEE, mapping five land-use/land-cover (LULC) categories: (1) forest, (2) waterbodies, (3) barren land, (4) croplands, and (5) built-up.
To assess forest fragmentation, Patch Density (PD), Edge Density (ED), and Largest Patch Index (LPI) were extracted from the LULC maps using FRAGSTATS v.4.2 (McGarigal et al., 2012. The LULC layers were categorized into five-year intervals and resampled to a 100 m spatial resolution to ensure consistency across all time periods. Each raster was then converted into a binary map, assigning a value of 1 to forest pixels and 0 to non-forest pixels. A circular moving window with a 7 km radius was applied to calculate localized fragmentation metrics around each forest pixel as this corresponds to a daily movement of elephants around ~7 km (Cushman et al., 2010; Brady et al., 2021; Chan et al., 2022). The spatial distribution of elephant mortality was analyzed through kernel density estimation in ArcGIS Pro to identify mortality hotspots across divisions and villages. To determine the impact of ecological and anthropogenic factors on elephant mortality, Generalized Linear Models (GLMs) with a binomial distribution were applied in R (version 4.3.1). Mortality incidents (excluding natural deaths) were coded as 1, while pseudoabsence locations (coded as 0) were generated. A total of 225 random points (pseudo absence points) were generated within the study area using the “Create Random Points” tool in ArcGIS Pro. Subsequently, any random points located within a 1 km buffer of actual incident points were removed to ensure spatial independence between random and incident locations.
The GLM analysis included 12 explanatory variables: distances to forests, croplands, built-up areas, roads, railways, mines, water bodies, protected areas, and elephant reserves, along with edge density, patch density, and the largest patch index derived from FRAGSTATS. The hypotheses for the variables used in the GLM analysis are outlined in Table 1. LULC classification was carried out at five-year intervals, Correspondingly, elephant mortality data were also grouped into the same five-year intervals and above-mentioned predictor variables were extracted. Subsequently, Generalized Linear Models (GLM) were fitted using a binomial distribution with a logit link function, as the response variable (elephant mortality) was binary (death = 1, absence = 0). Model selection was conducted through univariate analyses assessing the significance of each predictor, followed by collinearity checks were done and retained variables which were ecologically explainable and removed other highly correlated variables. Model performance was evaluated using Akaike Information Criterion (AIC), with models having ΔAIC ≤ 2 considered well-supported (Burnham and Anderson, 2002). The final model was selected based on the lowest AIC value, ensuring an optimal balance between explanatory power and parsimony. The “MuMIn” package in R was used for model ranking.
Table 1. A priori hypotheses for all environmental and anthropogenic variables for corelating elephant deaths.
3.3 Village categorization for elephant mortality
To examine the spatial distribution of elephant mortality in Jharkhand, villages were categorized into three risk levels: low (0–2 deaths), medium (2–5 deaths), and high (more than 5 deaths). This classification helps in identifying key environmental factors influencing elephant mortality, including forest cover percentage, crop cover percentage, mine percentage, number of water bodies, percent built-up area, road density and railway density. Understanding these spatial patterns enables targeted conservation and mitigation strategies, particularly in high-risk areas, focusing on habitat restoration, human-elephant conflict management, and infrastructure planning to reduce mortality incidents. The village boundaries were obtained from the ArcGIS Online, shapefile: Indian Administrative Layer 2024.
4 Results
4.1 Temporal trends and land use land change patterns in elephant mortality
The land cover change analysis from 2000 to 2024 showed changes in forest cover, water bodies, barren land, cropland, and built-up areas. Forest cover showed a constant change, decreasing from 48,440 sq.km in 2000 to 41,194 sq.km in 2024. Cropland expanded significantly, peaking at 41,628 sq.km in 2015 (+23.36%) before falling to 29,239 sq.km in 2024 (-1.76%). Built-up increased over the years, with the highest surge observed between 2020 and 2024 (+93.34%). Additionally, transition matrix highlighted the conversion of forest cover primarily to cropland (33.2%), built-up areas (1.17%), and barren land (1.3%), while cropland has been converted to built-up areas (7%) and other land categories (Figure 3) (Supplementary Table 2). The forest fragmentation metrices analysis for 2024 showed, large forest patches remain intact the southeastern region, while central and southwestern areas exhibit high edge density and fragmentation (SF1).
Figure 3. Land use Land cover maps of Jharkhand, India from year 2000-2024. The map was created using ArcGIS Pro 3.0.0 (https://www.esri.com/enus/arcgis/products/arcgis-pro/overview).
4.2 Temporal trends and spatial distribution of elephant mortality
During the 23 years span, a total of 225 cases of elephant mortality were reported. Among them 73 cases were from natural deaths (including natural death: 60 and Territorial fight: 13) and Anthropogenic cases: 152 (including Accidental deaths: 13; Anthropogenic stressor: 33; Electrocution: 67; Landmine blast: 1; Poaching: 4; Poisoning: 11 Retaliation killing: 1; Train hit: 17; Vehicular Accident: 5). The highest number of deaths were reported in the year 2022 (SF2 & SF3). Electrocution emerged as the main cause of the elephant mortality (χ² = 2.131, df = 1, p-value = 0.144). Distribution of age group due to anthropogenic causes differed significantly (χ² = 19.158, df = 5, p-value = 0.0017), with adult male (39) having the highest number of mortalities, followed by adult female (35), sub adult male (22), yearling (21), sub adult female (15) and calf (19) (Figure 4). Monsoon (56 deaths) accounts for the most elephants’ deaths (χ² = 44.382, df = 4, p-value < 0.05), followed by post-monsoon (43), winter (33) and pre-monsoon (20). Ranchi division (30 deaths) had the highest number of deaths with electrocution (16 deaths) and train hit (3 deaths), then East Singhbhum (18 deaths) with electrocution (18 deaths) then Saraikela division (14 deaths) with electrocution (11 deaths) (Figure 5). This pattern was also observed in the kernel density analysis, highlighting these areas as the hotspots for elephant deaths in the state (Figure 6).
Figure 4. The graph illustrating the relation between the causes of elephant mortality and age class demography of Jharkhand, India from 2000-2023.
Figure 5. Heatmap showing spatial distribution pattern of Elephant mortality in different divisions of Jharkhand, India from 2000-2023.
Figure 6. Kernel density map of Jharkhand highlighting high, medium and low mortality zones for elephant mortality of Jharkhand, India from 2000-2023. The was created using ArcGIS Pro version 3.0.0 (https://www.esri.com/enus/arcgis/products/arcgis-pro/overview).
4.3 Factors influencing elephant mortality and village characteristics
A total of 122 villages in the state reported elephant mortalities over a span of 23 years. This study revealed that high-incident villages did not show significantly higher built-up areas compared to medium and low-incident villages (Kruskal-Wallis: χ² = 2.31, p = 0.509; Figure 7A). However, high-incident villages had greater forest cover (χ² = 4.92, p = 0.177; Figure 7B). In terms of crop percentage, high-incident villages had significantly lower values compared to medium and low-incident villages (χ² = 4.88, p = 0.180; Figure 7C). Additionally, high-incident villages had lower water density compared to medium and low-incident villages (χ² = 0.82, p = 0.844; Figure 7D). High incident villages have lower road density, (χ² = 9.47, p = 0.023; Figure 7E). Post hoc Dunn’s test showed significant difference between incident and low incident villages (p=0.012). There was no significant difference observed in forest cover, water density, built-up area, and crop cover. We also found that elephant mortality incidents were higher closer to water bodies (β = -1.080, p < 0.05), railway (β = -1.128, p = 0), forest and road (β = -7.419, p < 0.05). However, conflict incidents increase with increase in distance from built-up (β = 2.553, p = 0), protected area (β = 4.066, p=0) and mines (β = 3.298, p = 0); (Figure 8, Tables 2, 3).
Figure 7. Figure showing variations of (a) Built-up area, (b) crop cover, (c) percent forest cover, (d) water density, and (e) road density in non, low, medium and high incident villages (incident = elephant mortality) in Jharkhand India.
Figure 8. Graphs showing the probability of elephant death from distance from different variables or predictors of elephant mortality in the state of Jharkhand, India.
Table 2. Summary statistics loglikelihood (LogL), degrees of freedom (df), Akaike Information Criteria (AICc), relative support for hypothesis (Δ AICc), Akaike weights (Wi) of candidate regression model explaining elephant mortality in Jharkhand.
Table 3. Parameter estimates effect (β) and probabilities of ecological and anthropogenic variables in determining mortality of Asian elephant due to various anthropogenic activity.
5 Discussion
From 2000 to 2024, forest cover exhibited a continuous decline, and an increasing trend in agriculture. Built-up areas showed significant growth, with the most rapid expansion occurring in recent years. The transition analysis indicated that forest cover was primarily converted into cropland, built-up areas, and barren land, while cropland also transitioned into built-up areas and other land categories. The findings align with broader patterns of land transformation driven by urbanization, agricultural expansion, and resource extraction in Jharkhand (Sharma et al., 2012). The spatial and temporal trends of elephant mortality in Jharkhand provide insights into the different interactions between environmental and anthropogenic variables and land use land cover characteristics. This study reflects electrocution as the leading cause elephant mortality, accounting for most of the deaths particularly in Ranchi and East Singhbum which are also the hotspots for the elephant mortality in the state. This finding encompasses several studies that have identified electrocution as a major threat to elephant population in human dominated landscape (Goswami et al., 2015; Menon et al., 2017). Highest elephant mortality in the monsoon season highlights elephants’ seasonal vulnerability due to increased human activities (Baskaran et al., 2013; Fernando et al., 2005). This is likely driven by increased agricultural activities and elephant movement in monsoon (Fernando et al., 2005). Adult males and females exhibited highest mortality rates, consistent with findings suggesting adult elephants venture in human- dominated areas in search of resources increasing their exposure to anthropogenic threats (Desai and Baskaran, 1996; Sukumar, 2003). A similar trend observed in north Bengal where adult males face higher mortality because they are more prone to entering human- dominated areas for resource (Mitra, 2017). The concentration of elephant mortality in regions like Ranchi and East Singhbum, that are characterized by fragmented landscapes and high human activity, aligns with the study showing a strong link between mortality, habitat fragmentation, and proximity to human settlements (Fernando et al., 2008; Vasudev et al., 2020). Jharkhand has 17 identified elephant corridors, the third highest in India. Notably, Singhbhum Elephant Reserve has 14 corridors, but only 38% of it is forested, and it reports one of the highest HEC levels in India (Pandey et al., 2024).
High-incident villages have more built-up areas and forest cover, but less cropland and lower road density. This indicates that elephant presence is higher where forests and human infrastructure overlap, increasing the risk of conflict. This is consistent with the studies that have linked elephant mortality to encroachment of human’s settlements into elephant corridors and habitat fragmentation (Goswami et al., 2015; Leimgruber et al., 2003). Fragmented habitats force elephants to move through human dominated landscapes, exposing them to risks such as electrocution, vehicle collision and retaliatory killing (Leimgruber et al., 2003; Sitati et al., 2003). The lower crop cover in high-incident villages aligns with the idea that elephants in these areas are often moving through transitional zones between forests and human settlements, where agricultural activity is less but human infrastructure (such as power lines and roads) is more prevalent. This pattern has been observed in Sri Lanka, where elephants moving through fragmented landscapes faced higher mortality risks due to encounters with human infrastructure. Similarly, the lower water density in high-incident villages may reflect the scarcity of natural water sources, forcing elephants to travel greater distances and increasing their exposure to anthropogenic threats (Fernando et al., 2005). The lower road density in high-incident villages suggests that even limited infrastructure can have a disproportionate impact on elephant mortality. This finding is consistent with studies where even low-density road networks in fragmented landscapes can significantly increase elephant mortality due to vehicle collisions and other human-related threats (Goswami et al., 2015; Lakshminarayanan et al., 2016). For every 1km increase in distance from forest areas, the elephant mortality decreased by `73.6% suggesting mortality incidents occurred closer to forest edges where elephants are more likely to encounter human activities, infrastructure etc. Elephant mortality is closely linked to distance from protected areas. Elephants are more at risk in areas far from these zones, likely due to greater exposure to threats like poaching, electrocution, and vehicle collisions. This aligns with studies from Africa and Sri Lanka, which have shown that elephants outside protected areas face higher mortality risks due to human activities (Blake et al., 2008; Fernando et al., 2005). Forest elephants in the Congo Basin experienced higher mortality rates in areas with road networks and human settlements, as these landscapes increased their exposure to poaching and other threats (Blake et al., 2008). Similarly, elephants in Sri Lanka were more likely to die in areas with high human density and low forest cover, further emphasizing the importance of protected areas in reducing mortality risks (Fernando et al., 2005). Elephant deaths were more prevalent in areas with accessible water sources, which aligns with the tendency of elephants to frequent these areas during dry periods. This suggests that ensuring the availability of water within forested regions could help reduce conflict by encouraging elephants to remain in their natural habitats during the dry season (Khan et al., 2023). Similarly, the decline in elephant mortality probability with increasing distance from roads and railways supports the findings of Rani et al. (2024) and Sukumar (2003), who emphasize the role of infrastructure in escalating HEC. The presence of roads and railways fragments elephant habitats and forces elephants into human-dominated areas, increasing conflict. This study also highlights the importance of implementing speed restrictions on railways to reduce train-elephant collisions, a significant issue in Jharkhand. The analysis did not reveal any negative relationship between elephant mortality and the presence of mines. However, previous studies have indicated that mining activities can escalate human-elephant conflict in surrounding areas (Bhengra and Mundri, 2019). It is important to note that our data specifically focused on recorded elephant deaths and may not fully capture the broader intensity or frequency of human-elephant conflict across the state. This is particularly relevant in Jharkhand, where extensive mining areas exacerbate HEC. Restoration of habitats around mining areas could help reduce these conflicts. The significant decline in conflict probability with increasing distance from forests supports the findings of Shaffer et al. (2019), who emphasize the importance of maintaining forest connectivity to mitigate human-elephant conflict. Fragmented forests elevate the risk of elephants entering human settlements.
6 Conclusion
Over the past 23 years, elephants in Jharkhand have faced growing threats from human-elephant conflict, habitat loss, and electrocution, with adult males and the monsoon season being particularly vulnerable. Areas like Ranchi, East Singhbum, and Saraikela have seen high mortality rates, underscoring the need for urgent conservation action. Jharkhand’s unique position as a transitional zone for elephant populations moving between Odisha and neighboring states adds another layer of complexity to the issue. To address these challenges, several practical measures can be implemented. Several villages like Khokhro, Tokisud, Ghatshila, Musabani, Khelarisai, Adityapur falls in the Dalma- Asanbari and Dalma-Chandil corridor. Restoring and protecting critical elephant corridors is essential to ensure safe passage for elephants migrating between states. Implementing large-scale plantation drives in and around elephant corridors using native species, which require minimal maintenance, can help provide natural food sources for elephants. Clearing vegetation on both sides of railway tracks (30 m) for enhancing the visibility and reducing accidental encounters. Establishing a robust communication framework between railway authorities and wildlife conservation agencies is crucial. Installing elephant trackers near tracks and sensitizing train crews on emergency response protocols for preventing accidents. Effective measures like insulating power lines, building wildlife-friendly infrastructure, and creating underpasses or overpasses along railways and highways at known elephant crossing points should be strategically placed based on elephant movement patterns, that will significantly reduce accidents and deaths. Engaging local communities through early warning systems, compensation programs, and awareness campaigns can help build trust and reduce conflicts, especially in villages where human-elephant interactions are frequent. Technology can also play a key role—tools like AI-based monitoring, and GPS-enabled collars can track elephant movements in real time, providing early alerts to communities and forest officials. Strengthening policies, improving land-use planning, and fostering collaboration between states are equally important to ensure a coordinated approach to conservation. Through these combined efforts, Jharkhand can significantly reduce elephant mortality and human-elephant conflict, while also strengthening its role as a crucial corridor for elephants traversing state boundaries—paving the way for a safer coexistence between people and wildlife.
Data availability statement
The original contributions presented in the study are included in the article/Supplementary Material. Further inquiries can be directed to the corresponding author.
Author contributions
RP: Formal analysis, Resources, Project administration, Visualization, Methodology, Validation, Investigation, Software, Supervision, Writing – review & editing, Conceptualization. KR: Formal analysis, Writing – original draft, Data curation, Methodology. AG: Visualization, Formal analysis, Data curation, Writing – original draft, Methodology. AD: Writing – review & editing, Data curation. DM: Investigation, Writing – review & editing, Validation, Project administration. PN: Writing – original draft, Methodology, Investigation, Writing – review & editing, Funding acquisition, Project administration. AN: Visualization, Data curation, Formal analysis, Writing – original draft, Investigation, Validation, Methodology, Writing – review & editing, Supervision. BH: Conceptualization, Methodology, Visualization, Validation, Resources, Software, Investigation, Data curation, Writing – review & editing, Funding acquisition, Supervision, Formal analysis, Project administration, Writing – original draft.
Funding
The author(s) declare financial support was received for the research and/or publication of this article. Funding for this research was from the Project Elephant Division of MoEFCC. Funders have no role in design and research.
Acknowledgments
We are grateful for the support and guidance provided by the Dean, Director, and Registrar of the Wildlife Institute of India throughout the completion of this work. Our heartfelt thanks to the Principal Chief Conservator of Forests (WL) and the Chief Wildlife Warden for the necessary permits and support. We are also grateful to the Divisional Forest Officers and Assistant Conservators of Forests of each division, as well as the respective Range Officers, for their invaluable assistance during the data collection phase of the project. We are thankful to Project Elephant Division of MoEF&CC for funding assistance to this project and Elephant Cell, WII for necessary support.
Conflict of interest
The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.
The author(s) declared that they were an editorial board member of Frontiers, at the time of submission. This had no impact on the peer review process and the final decision.
The Reviewer JS declared a shared affiliation with the author RP to the handling editor at the time of review.
Generative AI statement
The author(s) declare that no Generative AI was used in the creation of this manuscript.
Any alternative text (alt text) provided alongside figures in this article has been generated by Frontiers with the support of artificial intelligence and reasonable efforts have been made to ensure accuracy, including review by the authors wherever possible. If you identify any issues, please contact us.
Publisher’s note
All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. Any product that may be evaluated in this article, or claim that may be made by its manufacturer, is not guaranteed or endorsed by the publisher.
Supplementary material
The Supplementary Material for this article can be found online at: https://www.frontiersin.org/articles/10.3389/fevo.2025.1722945/full#supplementary-material
References
Ahmad F., Uddin M. M., and Goparaju L. (2018). An evaluation of vegetation health and the socioeconomic dimension of the vulnerability of Jharkhand state of India in climate change scenarios and their likely impact: A geospatial approach. Environ. Socio-Economic Stud. 6, 39–47. doi: 10.2478/environ-2018-0026
Ahmad M. and Dey M. (2017). Satellite image based study for land use land cover changed due to mining activity during (1987 to 2011) at Dhanbad District of Jharkhand. International Journal for Scientific & Development 4 (12), 962–965.
Arivazhagan C. and Sukumar R. (2008). Constructing age structures of Asian elephant populations: A comparison of two field methods of age estimation. Gajah 29, 11–16.
Baskaran N., Kannan G., Anbarasan U., Thapa A., and Sukumar R. (2013). A landscape-level assessment of Asian elephant habitat, its population and elephant-human conflict in the Anamalai hill ranges of southern Western Ghats, India. Mamm. Biol. 78, 470–481. doi: 10.1016/J.MAMBIO.2013.04.007/METRICS
Bhagat V. K., Yadav D. K., and Jhariya M. K. (2017). Human-elephant conflict and its consequences: A preliminary appraisal and way forward. Env. Pharmacol. Life Sci. 6 (7), 85–94. Available at: http://www.bepls.com/JUNE_2017/11.pdf
Bhengra A. and Mundri S. (2019). Elephant trample: A two-year study in RIMS, ranchi. Int. J. Contemp. Med. Res. [IJCMR] 3 (6), 1–4. doi: 10.21276/IJCMR.2019.6.12.4
Blake S., Deem S. L., Strindberg S., Maisels F., Momont L., Isia I. B., et al. (2008). Roadless wilderness area determines forest elephant movements in the congo basin. PloS One 3, e3546. doi: 10.1371/JOURNAL.PONE.0003546
Brady A., McMahon B. J., and Naulty F. (2021). Estimates of locomotion in Asian elephants Elephas maximus using video monitoring at Dublin Zoo, Ireland. J. Zoo Aquarium Res. 9 (2), 124–133. doi: 10.19227/jzar.v9i2.502
Burnham K. P. and Anderson D. R. (2002). “AIC differences, Δi,” in Model selection and multimodel inference: A practical information-theoretic approach, (2nd ed) 172, 70–71. doi: 10.1007/b97636. Springer, New York, NY.
Census of India (2011). Rural-Urban Distribution of Population (Provisional Population Totals). Ministry of Home Affairs, Government of India. Retrieved from https://censusindia.gov.in/nada/index.php/catalog/42617/download/46288/Census%20of%20India%202011‑Rural%20Urban%20Distribution%20of%20Population.pdf.
Chan A. N., Wittemyer G., McEvoy J., Williams A.C., Cox N., Soe P., et al. (2022). Landscape characteristics influence ranging behavior of Asian elephants at the human–wildlands interface in Myanmar. Movement Ecol. 10 (1), 6. doi: 10.1186/s40462-022-00304-x
Chatterjee N.D. and Chatterjee S. (2014). Changing habitat and elephant migration from dalma wildlife sanctuary, jharkhand to panchet forest division, bankura, west bengal: A biogeographical analysis. In: Singh M., Singh R., and Hassan M. (eds) Climate Change and Biodiversity. Advances in Geographical and Environmental Sciences. Springer, Tokyo. 209–222. doi: 10.1007/978-4-431-54838-6_17
Chatterjee N.D. and Mandal M. (2019). Human-elephant conflict in panchet forest division, Bankura, West Bengal, India. Gajah 51, 10–15.
Choudhury A. (1999). Status and conservation of the Asian Elephants Elephas maximus in north-eastern India. Mamm Rev. 29, 141–174. doi: 10.1046/J.1365-2907.1999.00045.X
Cushman S. A., Chase M., and Griffin C. (2010). Mapping landscape resistance to identify corridors and barriers for elephant movement in Southern Africa. (eds.) Cushman S. A. and Huettmann Chapter 19. Spatial Complexity, Informatics, and Wildlife Conservation. Springer Press. doi: 10.1007/978-4-431-87771-4_19
Desai A. and Baskaran N. (1996). Impact of human activities on ranging behavior of elephants in the NBR.pdf. J. Bombay Natural History Soc. 93, 559–569. https://biostor.org/reference/152232
Fernando P., Wikramanayake E. D. D., Janaka H. K. K., Jayasinghe L. K. A. K., Gunawardena M., Kotagama S. W., et al. (2008). Ranging behavior of the Asian elephant in Sri Lanka. Mamm Biol. 73, 2–13. doi: 10.1016/j.mambio.2007.07.007
Fernando P., Wikramanayake E., Weerakoon D., Jayasinghe L. K. A., Gunawardene M., and Janaka H. K. (2005). Perceptions and patterns of human-elephant conflict in old and new settlements in Sri Lanka: Insights for mitigation and management. Biodivers Conserv. 14, 2465–2481. doi: 10.1007/S10531-004-0216-Z
Forest Survey of India (2017). India State of Forest Report 2019 (Vol. I & II). Ministry of Environment, Forest & Climate Change, Government of India, Dehradun, Uttarakhand.
Goswami V. R., Medhi K., Nichols J. D., and Oli M. K. (2015). Mechanistic understanding of human-wildlife conflict through a novel application of dynamic occupancy models. Conserv. Biol. 29, 1100–1110. doi: 10.1111/COBI.12475
Guru B. K. and Das A. (2021). Cost of human–elephant conflict and perceptions of compensation: Evidence from Odisha, India. Journal of Environmental Planning and Management 64, 1770–1794. doi: 10.1080/09640568.2020.1838264
Johnsingh A. J. T. and Williams A. C. (1999). Elephant corridors in India: lessons for other elephant range countries. Oryx 33 (3), 210–214. doi: 10.1046/j.1365-3008.1999.00063.x
Khanna V., Ravichandran M. S., and Kushwaha S. P. S. (2001). Corridor analysis in Rajaji-Corbett elephant reserve - a remote sensing and GIS approach. J. Indian Soc. Remote Sens. 29, 41–46. doi: 10.1007/BF02989913
Khan K. M., Sahu A., Mohit B., and Das H. K. (2023). Human–elephant conflict in Jharkhand. BioGecko 12 (1), 1–7. Available online at: https://biogecko.co.nz/admin/uploads/Hemant%20Kumar%20Das%20%5B1%5D.pdf
LaDue C. A., Eranda I., Jayasinghe C., and Vandercone R. P. G. (2021). Mortality patterns of asian elephants in a region of human–elephant conflict. J. Wildlife Manage. 85, 794–802. doi: 10.1002/JWMG.22012
Lakshminarayanan N., Karanth K. K., Goswami V. R., Vaidyanathan S., and Karanth K. U. (2016). Determinants of dry season habitat use by Asian elephants in the Western Ghats of India. J. Zool 298, 169–177. doi: 10.1111/JZO.12298
Lambin E. F., Turner B. L., Geist H. J., Agbola S. B., Angelsen A., Bruce J. W., et al. (2001). The causes of land-use and land-cover change: Moving beyond the myths. Global Environmental Change 11, 261–269. doi: 10.1016/S0959-3780(01)00007-3
Latif A. and Palita S. A. (2023). Human Elephant Conflict and Status of Habitat in Chaibasa Forest Division, West Singhbhum District, Jharkhand, India. Pranikee - Journal of Zoological Society of Orissa XXXV, 1–22.
Leimgruber P., Gagnon J. B., Wemmer C., Kelly D. S., Songer M. A., and Selig E. R. (2003). Fragmentation of Asia’s remaining wildlands: Implications for Asian elephant conservation. Anim. Conserv. 6, 347–359. doi: 10.1017/S1367943003003421
MadhuSudan M. D., Sharma N., Raghunath R., Baskaran N., Bipin C. M., Gubbi S., et al. (2015). Distribution, relative abundance, and conservation status of Asian elephants in Karnataka, southern India. Biol. Conserv. 187, 34–40. doi: 10.1016/J.BIOCON.2015.04.003
Mandal M. and Das Chatterjee N. (2023). Species specific corridor demarcation: case of asian elephant. In: Geo-Spatial Analysis of Forest Landscape for Wildlife Management. GIScience and Geo-environmental Modelling. Springer, Cham. doi: 10.1007/978-3-031-33606-5_5
McGarigal K., Cushman S. A., and Ene E. (2012). FRAGSTATS v4: Spatial pattern analysis program for categorical and continuous maps (Amherst: University of Massachusetts). Available online at: https://www.umass.edu/landeco/research/fragstats/fragstats.html (Accessed May 15, 2025).
Menon V., Tiwari S. K., Ramkumar K., Kyarong S., Ganguly U., and Sukumar R. (2017). Right of passage: elephant corridors of India. Wildlife Trust of India, New Delhi.
Mitra S. (2017). Elephant mortality on railway tracks of northern west bengal, India. 28 Short Communication Gajah 46, 28–31.
Naha D., Sathyakumar S., Dash S., Chettri A., and Rawat G. S. (2019). Assessment and prediction of spatial patterns of human-elephant conflicts in changing land cover scenarios of a human-dominated landscape in North Bengal. PloS One 14, e0210580. doi: 10.1371/journal.pone.0210580
Natarajan L., Nigam P., and Pandav B. (2025). Human–elephant conflict in expanding Asian elephant range in east-central India: implications for conservation and management. Oryx 59 (2), 1–9. doi: 10.1017/S0030605324000930
Palei N., Srivastava S., and Singh L. (2016). Human-elephant conflict due to interstate movement of wild Asian elephants (Elephas maximus) from West Bengal to Odisha India. e-Planet 14, 40–52.
Pandey R. K., Lakshminarayanan N., Mittal D., Udhayaraj A. D., and Selvan K. M. (2024). On the Pan-India assessment of elephant corridors: Challenges, opportunities and future directions. Indian forester 150, 909–915. doi: 10.36808/IF/2024/V150I10/170626
Pandit C. K., Lal A. K., Singh U. S., and Scholar R.. (2023). Rainfall variability trend in Ranchi, Jharkhand. International Journal of Creative Research Thoughts 11 (2), 45–50.
Ramesh T., Milda D., Kalle R., Gayathri V., Thanikodi M., Ashish K., et al. (2022). Drivers of human-megaherbivore interactions in the Eastern and Western Ghats of southern India. Journal of Environmental Management 316, 115315. doi: 10.1016/j.jenvman.2022.115315
Rani M., Panda D., Allen M. L., Pandey P., Singh R., and Kumar Singh S. (2024). Assessment and prediction of human-elephant conflict hotspots in the human-dominated area of Rajaji-Corbett landscape, Uttarakhand, India. J. Nat. Conserv. 79, e126601. doi: 10.1016/j.jnc.2024.126601
Ranjan R. (2019). Assessing the impact of mining on deforestation in India. Resources Policy 60, 23–35. doi: 10.1016/j.resourpol.2018.11.022
Roy A. (2023). From colonial to neoliberal regime: understanding the paradigms of land dispossession in India. J. Land Rural Stud. 11, 28–51. doi: 10.1177/23210249221127396
Sahu S. (2019). Demographic trends and occupational structure of particularly vulnerable tribal groups of jharkhand. Int. J. Rev. Res. Soc. Sci. 7, 316–322. doi: 10.5958/2454-2687.2019.00021.2
Shaffer L. J., Khadka K. K., Van Den Hoek J., and Naithani K. J. (2019). Human-elephant conflict: A review of current management strategies and future directions. Front. Ecol. Evol. 6. doi: 10.3389/FEVO.2018.00235
Sharma N. K., Lamay J. B., Kullu N. J., Singh R. K., and Jeyaseelan A. T. (2012). Land use and land cover analysis of Jharkhand using satellite remote sensing. Journal of Space Science & Technology 1 (2), 1–10. doi: 10.37591/.v1i1-3.2312
Singh R. S. (2020). “Environmental and social impacts of mining,” in Mineral resource governance in the 21st century, 133–161. doi: 10.18356/9576eb04-en
Singh P. K. and Upgupta S. (2021). Post-mining land use determination based on land suitability analysis: a case study in Bokaro district of India. Ecol. Environ. Conserv. 27, 226–230.
Sitati N. W., Walpole M. J., Smith R. J., and Leader-Williams N. (2003). Predicting spatial aspects of human-elephant conflict. J. Appl. Ecol. 40, 667–677. doi: 10.1046/j.1365-2664.2003.00828.x
Suba R. B., Van Der Ploeg J., Van’t Zelfde M., Lau Y. W., Wissingh T. F., Kustiawan W., et al. (2020). Rapid expansion of oil palm is leading to human–elephant conflicts in north kalimantan province of Indonesia. Tropical Conservation Science, 10, p.1940082917703508. doi: 10.1177/194008291770350810
Sukumar R. (2003). The living elephants: evolutionary ecology, behavior, and conservation (The Living Elephants). doi: 10.1093/OSO/9780195107784.001.0001
Tripathy B. R., Liu X., Songer M., Kumar L., Kaliraj S., Chatterjee N., et al. (2021). Descriptive spatial analysis of human-elephant conflict (HEC) distribution and mapping HEC hotspots in keonjhar forest division, India. Front. Ecol. Evol. 9. doi: 10.3389/fevo.2021.640624
Vasudev D., Goswami V. R., Hait P., Sharma P., Joshi B., Karpate Y., et al. (2020). Conservation opportunities and challenges emerge from assessing nuanced stakeholder attitudes towards the Asian elephant in tea estates of Assam, Northeast India. Glob Ecol. Conserv. 22, e00936. doi: 10.1016/j.gecco.2020.e00936
Keywords: elephant mortality, electrocution, fragmentation, Jharkhand, LULC, Ranchi
Citation: Pandey RK, Roy K, G. AN, Dutta A, Mittal D, Nigam P, Nath A and Habib B (2025) Quantifying elephant mortality in a changing landscape: insights from Jharkhand, India. Front. Ecol. Evol. 13:1722945. doi: 10.3389/fevo.2025.1722945
Received: 11 October 2025; Accepted: 03 November 2025;
Published: 02 December 2025.
Edited by:
Lalit Kumar Sharma, Zoological Survey of India, IndiaReviewed by:
Amira Sharief, Zoological Survey of India, IndiaJanmejay Sethy, Amity University, India
Copyright © 2025 Pandey, Roy, G., Dutta, Mittal, Nigam, Nath and Habib. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
*Correspondence: Bilal Habib, YmlsYWxoYWJpYjFAZ21haWwuY29t; YmhAd2lpLmdvdi5pbg==
†These authors have contributed equally to this work
Kalpana Roy1†