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Conservation Strategy for Brown Bear and Its Habitat in Nepal

Ecology and Conservation Group, Institute of Natural Sciences, Massey University, Building 5 Oteha Rohe Precinct Gate 4, Albany Highway, Auckland, Albany 1311, New Zealand
Nutritional Ecology Research Group, Institute of Natural Sciences, Massey University, Building 5 Oteha Rohe Precinct Gate 4, Albany Highway, Auckland, Albany 1311, New Zealand
Wildlife Institute of India, P.O. Box 18, Chandrabani, Dehradun 248001, India
Department of Forest Research and Survey, Ministry of Forests and Soil Conservation, P.O. Box 3339, Kathmandu, Nepal
Human-Wildlife Interactions Research Group, Institute of Natural Sciences, Massey University, Building 5 Oteha Rohe Precinct Gate 4, Albany Highway, Auckland, Albany 1311, New Zealand
Department of National Park and Wildlife Conservation, Ministry of Forests and Soil Conservation, Kathamandu, Nepal
Alertis-Fund for bear and Nature Conservation, P.O. Box 9, Rhenen 3910 AA, The Netherlands
Wildlife Research Center, Kyoto University, 2-24 Tanaka-Sekiden-cho, Sakyo-ku, Kyoto 606-8203, Japan
Author to whom correspondence should be addressed.
Diversity 2012, 4(3), 301-317;
Submission received: 23 June 2012 / Revised: 23 July 2012 / Accepted: 31 July 2012 / Published: 10 August 2012


The Himalaya region of Nepal encompasses significant habitats for several endangered species, among them the brown bear (Ursus arctos pruinosus). However, owing to the remoteness of the region and a dearth of research, knowledge on the conservation status, habitat and population size of this species is lacking. Our aim in this paper is to report a habitat survey designed to assess the distribution and habitat characteristics of the brown bear in the Nepalese Himalaya, and to summarize a conservation action plan for the species devised at a pair of recent workshops held in Nepal. Results of our survey showed that brown bear were potentially distributed between 3800 m and 5500 m in the high mountainous region of Nepal, across an area of 4037 km2 between the eastern border of Shey Phoksundo National Park (SPNP) and the Manasalu Conservation Area (MCA). Of that area, 2066 km2 lie inside the protected area (350 km2 in the MCA; 1716 km2 in the Annapurna Conservation Area) and 48% (1917 km2) lies outside the protected area in the Dolpa district. Furthermore, 37% of brown bear habitat also forms a potential habitat for blue sheep (or bharal, Pseudois nayaur), and 17% of these habitats is used by livestock, suggesting a significant potential for resource competition. Several plant species continue to be uprooted by local people for fuel wood. Based on the results of our field survey combined with consultations with local communities and scientists, we propose that government and non-government organizations should implement a three-stage program of conservation activities for the brown bear. This program should: (a) Detail research activities in and outside the protected area of Nepal; (b) support livelihood and conservation awareness at local and national levels; and (c) strengthen local capacity and reduce human-wildlife conflict in the region.

1. Introduction

The extreme variation in elevation in Nepal provides a habitat for three species of bear. Sloth bears (Melursus ursinus) inhabit the southern lowlands (Terai; <1500 m); Asian black bears (Ursus thibetanus) live in the Middle Hills region up to the tree line (1500–3500 m); and Tibetan brown bears (Ursus arctos pruinosus) [1,2,3], which represent the most widely distributed ursid in the world [4], occur in the Northern Mountain region of Nepal [1,2,3,4,5,6].
The brown bear population reported in the higher Himalayan protected area of Nepal, that is, in the Annapurna Conservation Area (ACA) and Manasalu Conservation Area (MCA), share habitat with other types of prey and predators of the region [1,2,3,5]. These include blue sheep, or Bharal (Pseudois nayaur), which is the major wild prey species, and consequently also their predators such as the snow leopard (Panthera uncia). Additionally, livestock farming is the predominant human activity in the region, and most of the available pastureland is used for livestock grazing [1,2,3,5,6,7,8]. The coexistence between wildlife and agricultural practices has the potential for conflict. Brown bears are known to predate livestock in the region; it has been estimated that in the ACA 10% of the brown bears’ diet comes from livestock [3]. Local people do not frequently encounter brown bears, and consequently associate livestock losses with other predators such as the snow leopard. Nonetheless, livestock depredation may lead to retaliatory killings and consequently a negative impact on conservation of the predatory species in the area [3].
The first aim in this study is to assess the extent of the brown bear habitat in Nepal. The composition of the vegetation is a major factor defining the suitability of habitat for wild herbivore and livestock populations [5,8], and yet there is limited information on the vegetation composition of the habitat that the brown bear shares with blue sheep and livestock in the upper Mustang region. An understanding of the resource base shared by these species is important for the preparation of a management plan to ensure the long-term sustainability of the native fauna and minimize conflicts between wildlife and agricultural practices on which the local communities are dependent. The second aim of the present study is to examine habitat use by the brown bear and its overlap with the blue sheep and livestock in relation to the vegetation composition in the upper Mustang region.
The government of Nepal has given legal protection to the brown bear under the National Park and Wildlife Act (NPWA) 1973. Brown bear research and conservation activities were initiated in Nepal in 2004 [1,2,3,5,8]. This included a survey for the presence of the brown bear in ACA, and in 2010 Aryal et al. [3] confirmed the presence of brown bears in the MCA. Since that time, continued research and conservation has been conducted in the ACA. In January 2010, the first brown bear conservation action plan preparation workshop was organized with the involvement of local people, relevant government agencies, non-government organizations (NGOs), international non-governmental organizations (INGOs), and local and international bear scientists [9]. Following those activities, a draft brown bear conservation action plan was prepared and discussed at a second national level workshop in March 2011.
The third aim of this paper is to explore the workshop findings and outline the core components of a plan for bear research and conservation in Nepal. The plan highlights the major activities proposed by local people, scientists and the field-based investigation for brown bear conservation in Nepal. It is anticipated that a conservation strategy that focuses on a top predator, the brown bear, will not only help to ensure stable coexistence between this species and its competitors, including livestock, but also produce an umbrella effect for the conservation of other wild species and livestock in the region.

2. Study Area

Nepal (147,181 km2) is located in South-Asia on the southern slopes of the central-Himalayan Range (Figure 1 and Figure 2). The average length of Nepal is 885 km, and the width varies from 145 to 241 km. Mountains cover ~86% of the total land area, while the remaining 14% is comprised of the Terai flatlands (60–300 m above sea level). Nepal contains eight of the ten highest mountains in the world, the tallest being Sagarmatha (Mount Everest; 8848 m) [10].
In addition to Nepal’s legendary Himalayan Range, the country is a hotspot for biodiversity. Species richness in Nepal is a product of its geographic position as well as its diverse altitudinal and climatic gradients. Nepal contains ~4.3 million ha (29%) of forest, 1.6 million ha (10.6%) of scrubland and degraded forest, 1.7 million ha (12%) of grassland, 3.0 million ha (21%) of farmland, and about 1.0 million ha (7%) of uncultivated lands outside Nepal’s protected areas [10]. Within Nepal there are 10 national parks, three wildlife reserves, one hunting reserve, six conservation areas, and 11 buffer zones covering 34,187 km2 (23.23%) [11].
Our field study was conducted in the upper Mustang region of ACA in Nepal (Figure 1). The northern part of this area borders the Tibetan region of China and has very low annual rainfall (<200 mm). Animal husbandry is the main income source of the local people of the region [7]. The upper Mustang region consists of seven village development committees (VDCs), with a human population of <15,000 [10]. We performed a habitat survey during September–October 2010, in the pastureland of the upper Mustang VDCs (Lomangthang, Chhoser, Chhunup, Surkhang) and its border regions in ACA and Dolpa district (Figure 2). We used brown bear distribution data from the MCA from our earlier study [3], and these data were also used for modeling the brown bear distribution in the area.
Figure 1. Location of the study area within Nepal.
Figure 1. Location of the study area within Nepal.
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Figure 2. Potential brown bear distribution between the eastern border of Shey Phoksundo National Park (SPNP) and the Manasalu Conservation Area (MCA) predicted by our model.
Figure 2. Potential brown bear distribution between the eastern border of Shey Phoksundo National Park (SPNP) and the Manasalu Conservation Area (MCA) predicted by our model.
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3. Methods

3.1. Potential Brown Bear Habitat in Nepal

We prepared a potential brown bear distribution habitat map using past records of brown bear presence [1,2,3,4,5] and information about the habitat based on the present study in ACA and the border regions of ACA and the Dolpa district. To determine the distribution of the potential habitat for brown bears within the ACA, the MCA [3], and the corridors between the ACA and Shey Phoksundo National Park (SPNP), habitat features were quantified in locations where brown bear presence was directly confirmed. ArcGIS 9.3 (Version 9.3, ESRI Inc., Redlands, CA, USA) software was used to prepare maps and modeling. The features we included in the model were elevation, slope, aspect, and vegetation types. We used habitat layers (elevation, land use-ecology and settlement) that were freely available from [12]. A 20 m contour interval layer was used to make a digital elevation model (DEM) of the bear distribution area, and 3D analysis was used to further reclassify the DEM at 500 m elevation intervals. Aspect and slope were also computed from 3D analysis. This was then converted to a shape file for area calculation and analysis.
Additionally, we used information derived from two national level workshops on a conservation action plan for brown bear that were conducted in Nepal. At the workshops, the participants (scientists, conservation officials, field personnel and representatives of local communities) pooled information to generate an understanding of the features of brown bear habitat. On this basis, together with information on direct signs of brown bear (sightings, scats, etc.), maps of brown bear distributions were prepared during the workshop sessions. These were subsequently loaded and geo-referenced in the GIS layers to refine our distribution model of the brown bear in the region.

3.2. Brown Bear Habitat Survey

A vegetation survey was conducted in the confirmed brown bear habitat of the upper Mustang region in 2010–2011. Vegetation was sampled using ‘animal use plots’ where bear signs were encountered (digging sites, footprints, hair, scats). Plot sizes were 4 m × 4 m for estimating species composition and coverage of woody shrubs (woody plants <3 m height), and 1 m × 1 m for estimating species composition and coverage of herbs (plants ≤1 m height). Additionally, parameters such as aspect, slope, elevation, vegetation, anthropogenic activities, and the presence of blue sheep and livestock, as well as the presence/absence of uprooted plants for fuel wood were recorded during the survey.
Based on the frequency and abundance of herbs and shrubs, an Importance Value Index (IVI) (Equation (1)) of vegetation for brown bear habitat was calculated [8]. The IVI ranges from 0 to 300, the highest value of vegetation represents more importance than the lowest value.
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where: frequency (F) = number of plots with the individual species × 100/total number of plots; relative frequency (RF) = frequency of any one species × 100/total frequency of all species; density (D) = total number of species in all plots/total number of plots × area of plots; relative density (RD) = density of a species × 100/total density of all species; and relative coverage (RC) = coverage of a species × 100/total coverage.

3.3. Habitat Overlap among Brown Bear, Livestock, and Blue Sheep

The overlap of habitat among brown bears, livestock and blue sheep was determined using methods developed by Real [13] and Real and Vargas [14]. Once signs of brown bears (scat, tracks, or dig sites) were encountered, the site was sampled (plots = 90; size 50 m × 50 m) and an additional sample plot (50 m × 50 m) located 200 m in a random direction was used as a matched pair plot. Both the primary and matched pair plots (n = 90) were searched for signs of blue sheep, livestock and brown bear. Habitat overlap between brown bear (A) and blue sheep or livestock (B) was calculated separately using Jaccard’s similarity index (J) (Equation (2)) [8,13,14] from presence/absence data recorded from these plots. The associated probability for J was calculated to determine if the value for the index (ranging from 0 to 1) differed from what would be expected at random [11,13] as
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where C is the number of plots used by both brown bear and blue sheep or livestock. In this case, the probabilities associated with Jaccard’s index depend on the total number of attributes present in either of the two habitats compared (N) (Equation (3)). N was calculated as:
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Finally, the percentage of area overlap by blue sheep and livestock with brown bear occurrence was calculated as:
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here: nb is the plot area in which blue sheep signs were recorded; TA is the total sample plot area (i.e., including presence and absence); and nl is the plot area with livestock signs.

3.4. Brown Bear Conservation Workshops

Nepal’s first systematic brown bear study was conducted in 2008 [3], and the first national brown bear conservation participatory action plan workshop was conducted in January 2010 [9]. The second workshop took place on 9 March 2011 at the Annapurna Conservation Area Project (ACAP) offices, Pokhara, in collaboration with the ACAP, the Department of National Park and Wildlife Conservation (NPWC), Department of Forest and the Ministry of Forest and Soil Conservation/Government of Nepal. The main aim of this workshop was to review feedback, comments and suggestions for finalizing the draft brown bear conservation action plan. The workshop was conducted in a participatory way with the active involvement of 63 participants from government, NGOs, local leaders, and the Institute of Forestry, Tribhuvan University, Pokhara. In the workshop the proposed brown bear conservation activities in Nepal were presented and each plan was discussed with the participants and their suggestions for improvements were noted. Additionally, priorities for research into brown bear conservation in Nepal were discussed. We report in the present paper the main outputs and major findings from the discussion and feedback sessions that were included in the emerging brown bear conservation plan.

4. Results

4.1. Brown Bear Distribution in Nepal

A total of 286 GPS locations with brown bear sign were used to prepare a brown bear distribution map encompassing the MCA, ACA and the corridor between SPNP and the ACA. Brown bears were confirmed in a 4037 km2 area between the SPNP and the MCA in Nepal; of this, 2066 km2 lie inside the protected area (350 km2 in MCA; 1716 km2 in ACA) and the remaining 48% (1917 km2) lies outside the protected area (in the Dolpa district) (Figure 2). The sightings spanned an altitude range of 3800 m to 5500 m. The corridor between the eastern border of SPNP and the Annapurna Conservation Area was the most important region for brown bear distribution outside of the protected area of Nepal.

4.2. Habitat Use by Brown Bears in Upper Mustang

In the ACA, brown bears were distributed in Chhoser, Chhunup, Surkhang, Ghami, and Lomangthang VDC of upper Mustang. A total of 180 plots were laid out in brown bear habitat. Brown bears mostly used northeastern (36.8%) and southeastern (28.9%) aspects and were found less often on northern and western aspects (χ2 = 1.71, P = 0.055, Figure 3a).
Slope positions were divided into three categories, namely the lower third, middle third and upper third of the elevation between rivers and ridges. Brown bears primarily used the middle third slope (51%), followed by the upper third and lower third slopes (χ2 = 2.9, P = 0.014) (Figure 3b). In terms of gradient, slopes of 16°–30° were preferred (39%), followed by 31°–45° and >45°, with slopes of 0°–15° being used the least (χ2 = 1.1, P = 0.008) (Figure 3c).

4.3. Vegetation in Brown Bear Habitat in Upper Mustang

The upper Mustang rangeland provides the prime habitat for endangered wildlife, and the rangeland resources support healthy populations of brown bears, blue sheep, livestock as well as other wildlife. The plant species with the highest Importance Value Index scores in the brown bear habitat are Kobresia pygmaea (IVI = 59.3) followed by Caragana spp (IVI = 26.2), Carex spp (IVI-25.32), and Saxifraga spp (IVI = 25.2). Brown bears mostly used habitat containing Kobresia pygmaea, Carex spp, Saxifraga spp, and Potentilla spp (Table 1). Uprooting of shrubs and hardwood-root plant species by humans was found in most of the brown bear habitat. Plant uprooting practices were observed in all VDCs of the upper Mustang region, with a maximum occurring in Chhoser VDC (in 80% of the area) followed by Lomangthang VDC (79%), Chhunup (59%) and Surkhang VDC (37%) (Figure 4).
Figure 3. Habitat use by brown bears: (a) aspect; (b) position on slope relative to river and ridge; (c) gradient of slope.
Figure 3. Habitat use by brown bears: (a) aspect; (b) position on slope relative to river and ridge; (c) gradient of slope.
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Table 1. Vegetation use in brown bear habitat.Relative Frequency (RF), Relative Density (RD), Relative Cover (RC), and Importance Value Index (IVI) of vegetation.
Table 1. Vegetation use in brown bear habitat.Relative Frequency (RF), Relative Density (RD), Relative Cover (RC), and Importance Value Index (IVI) of vegetation.
Anaphalis spp.
Anaphalis triplinervis3.
Androsace spp.
Artemisia spp.
Bistorta spp.
Carex spp.7.36.611.425.3
Cortia depressa2.
Chesneya nubigena5.
Euphorbia estachyei5.83.32.411.5
Caragana spp.8.16.811.326.2
Corydalis govaniana1.
Clematis sp.
Kobresia pygmaea 13.616.129.659.3
Lancea tibetica4.26.13.613.9
Lonicera spp.
Oxytropis spp3.65.11.710.4
Pedicularis spp.
Poa spp.
Potentilla spp.
Saussurea nepalensis2.
Saxifraga spp.
Figure 4. Percentage of area in which uprooting of plants by local people was observed in the brown bear habitat of the upper Mustang region.
Figure 4. Percentage of area in which uprooting of plants by local people was observed in the brown bear habitat of the upper Mustang region.
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4.4. Habitat Overlap with Blue Sheep and Domestic Livestock

Brown bear signs were found in 62 of the 180 plots sampled, livestock signs in 29, and blue sheep signs in 43. Both brown bear and blue sheep signs were found in 28 plots, and both brown bear and livestock in 18. Statistical analysis of these data showed that there was significant habitat overlap between brown bear and blue sheep (37% overlap, J = 0.19, P = 0.01), as well as between brown bear and livestock (17% overlap, J = 0.17, P = 0.01).

4.5. Brown Bear Conservation Strategy and Action Plan

The main achievement of the second round of the brown bear conservation workshop (9 March 2011, Figure 5) was to combine shared information with results of our field surveys to finalize a draft brown bear conservation action plan (see below). However, the Nepalese government has deferred its implementation until it is expanded to also include the other two bear species in Nepal (sloth bears and black bears). In what follows, we summarize the main components of the proposed brown bear action conservation plan.
Figure 5. Conservation Action Plan Workshop (Pokhara, Nepal) participants.(a) 9 March 2011 workshop; (b) 21–24 January 2010.
Figure 5. Conservation Action Plan Workshop (Pokhara, Nepal) participants.(a) 9 March 2011 workshop; (b) 21–24 January 2010.
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4.5.1. Brown Bear Research and Studies throughout Nepal

There is little knowledge about the population trends, habitat, threats and problems associated with the brown bear, and there is inadequate research and monitoring of the food, population and habitat of this species. Moreover, the human, technical and financial resources are inadequate for the long-term conservation and management of the brown bear in Nepal. This issue should be addressed by further research and studies throughout the bear’s habitat in the country.

4.5.2. Habitat Monitoring and the Need for Habitat Restoration

It is believed that the brown bear is vulnerable to anthropogenic threats, which limit the viability of the population and preclude its expansion. Furthermore, its habitat range is not fully known and the extent and quality of the brown bear population is unknown. Due to increasing populations of humans and livestock, habitat is believed to be disturbed, fragmented and shrinking. Some pastures have been degraded by heavy livestock grazing. Apart from over-grazing, there is over-exploitation of natural vegetation for fuel and for medicinal and aromatic plants (MAPs). In general, there is a lack of a habitat evaluation programs and a lack of monitoring and management strategies, for example delineating different utilization zones. Additionally, there is very little information on the existing and potential biological corridors for brown bears in the area. Potential corridors are increasingly vulnerable to habitat degradation and poaching, and there is an urgent need for the monitoring, protection and, where necessary, restoration of these corridors.

4.5.3. A Need for Anti-Poaching Operations

Poaching poses a significant threat to all wildlife in Nepal including the brown bear. Although reported cases of poaching of brown bears are fewer than for other species, their killing for the harvesting of bile has been reported from several parts of the country. Due to Nepal’s porous border and limited law enforcement, many threatened species are poached and illegally traded. Further, due to a low level of security, people are often hesitant to cooperate with law enforcement agencies in controlling poaching and illegal trade. Local communities are not equipped with adequate field equipment and facilities, and the poor economic condition of the local people is also associated with poaching and illegal trade. Anti-poaching operations are urgently needed.

4.5.4. Reduction in Human-Brown Bear Conflict

Human-brown bear conflict is identified as one of the major problems in ensuring the long-term conservation of the brown bear in Tibet/China, and some level of conflict has been noted in the MCA and ACA region. Although not frequent, livestock loss has been associated with brown bears, providing the potential for conflict. On the other hand, local people have reported that the Himalayan marmot (Marmota himalayana), which is a prey species for the brown bear, is causing crop damage in farmlands, and therefore brown bear conservation might reduce human-wildlife conflict in the region. Wildlife damage relief guidelines have been approved by the Nepalese government, but as yet, they have not been implemented in the field in these regions.
Conservation awareness activities are lacking in the remote parts of the brown bear’s distribution range, and there is a need to encourage traditional Buddhist beliefs in conservation in the area. Further, the people are not aware of the methods and techniques that can be used for the reduction of loss/damage. The damage caused by the brown bear and associated species to human livelihoods has meant that in general the local people have a negative attitude towards wildlife conservation.
In summary, human-wildlife conflict in the area could be mitigated by the establishment of a livestock insurance program, the development of awareness among local people of the need for conserving wildlife such as the brown bear, the introduction of incentive programs and the involvement of local people in alternative income generation activities that do not present the potential for human-wildlife conflict.

4.5.5. Strengthening of Local Capacity

The capacity of the local Conservation Area Management Committee (CAMC) and responsible agencies and local authorities outside the protected areas should be build up to formulate and implement the brown bear conservation activities. The CAMC is a local legal institutional body formed by the ACAP and MCAP under the Protected Area Management Act and is responsible for implementing conservation, social, educational and economic development activities at the local level. The CAMC needs to regularly monitor the brown bear habitat using patrols and by conducting different programs and activities for brown bear conservation in their area. The CAMC should coordinate with different stakeholders for the conservation of the brown bear with the help of the DNPWC (Department of National Park and Wildlife Conservation), the ACAP (Annapurna Conservation Area Project), the MCAP (Manasalu Conservation Area Project) and the government of Nepal. Activities, which help to strengthen the capacity of local people, will reduce the pressure on the brown bear habitat. For example, formal or informal training in activities such as nature guiding, cooking and baking and handicraft should be provided for the local people. Most importantly, training in institutional capacity building (e.g., administration and financial management) should be provided for committee members. Similarly current existing local conservation committees and youth clubs should be empowered and their capacity for conservation of the brown bear outside the protected area strengthened.

4.5.6. Support for Local People to Improve Their Livelihoods

Without an improvement in the livelihoods of the local people, it is hard to conserve Nepal’s natural resources such as the brown bear, the snow leopard and other wildlife. For this reason, species conservation needs a livelihood improvement program. Sources of income for local people in the area are livestock (sheep/goat/yak) farming, agriculture, collecting medicinal plants for sale, and tourism. Local people are directly dependent on resources such as fuel wood for their livelihood. Hunger and poor economic status have encouraged people to become involved in illegal activities, such as brown bear poaching.
In some parts of this landscape, there are large open areas near the villages. The CAMC could plant indigenous plants such as apples in that area and the Populus tree (for timber and fuel) in the upper Mustang and Samdo regions. Apple plantations are one of the main income sources of the local people. Creating employment opportunities for those people who have a poor economic situation will be helpful in promoting sustainable livelihoods.
Non-Timber Forest Products (NTFPs)/medicinal plant cultivation on farmland, forest land or community land is one of the most lucrative potential income-generation activities because the area has a unique ecological character and favors high value medicinal plants.
Important priorities of local people are the raising of sheep/yak. Sheep/yak keeping was found to be very popular in the area because the animals are easy to be raised using traditional practice, and they are the main source of meat and milk in the area. Nevertheless, livelihood conditions remain quite precarious in the upper Himalaya region. Food deficiency is the norm rather than the exception in many households. This is aggravated by the paucity of agricultural land and its skewed distribution, the lack of sustainable management of rangeland resources, and the low productivity of traditional agriculture due to inadequate inputs. Traditional knowledge and expertise related to medicinal and aromatic plants remains for the most part unutilized to enhance resource productivity. Such knowledge and expertise can easily be forgotten by the community if it is not brought into economic use. Changes in local eating habits, the demand created by tourism and the likely rise in demand due to road construction in the future indicate that there are considerable prospects for the production of green vegetables and fruits in the area. Concerted efforts are required to realize these potential developments.
Off-farm employment and income opportunities in the Himalaya region are scarce. Local resources and traditional skills based on enterprise potentials have not been adequately identified and assessed. Potential exists in handicraft production, in livestock based production and in the area of traditional skills that need to be explored and promoted. Seasonal migration has evolved as a survival strategy for the upper Mustang population.

5. Discussion

Brown bear research in Nepal started after 2004 and confirmed the presence of the brown bear in the ACA, the MCA and in the corridor between SPNP and the ACA [1,2,7]. The present study extends this research, providing an estimate of the potential brown bear habitat and its distribution within the area. Our research found that an area of ~4000 km2 is predicted to be a suitable habitat for the brown bear, of which approximately 48% falls outside of the protected area. This means that it is excluded from research and conservation activities for not only the brown bear, but also for other mammal species in that region. It is important that presence/absence surveys be conducted in these regions, and effective conservation activities be implemented.
Top priority should be given to brown bear research and conservation in the corridor between the SPNP and the ACA, and these activities should be extended in the western and eastern parts of country. Furthermore, specific conservation and research activities should also be included in each protected area. Habitat modeling in the present study has shown that there is a potential connecting corridor between ACA and SPNP (Figure 1), but the current threats of climate change, habitat fragmentation, and human disturbance and settlement have created obstacles to the movement of animals through these landscapes. The changing climate appears to result in animal ranges shifting to different elevations and the disappearance of habitat for some species [15]. Perhaps significantly, local people living in the mid hill regions of Samma village of the Gorkha district have reported the appearance of Asian black bears at elevations higher than they usually occur. Ecological connectivity is a good strategy for reducing the negative effects of climate change on biological diversity [16,17] and will help the flow of animals and ecological processes across the landscape [18]. Maintaining connectivity between protected areas should help brown bear populations to cope with changing climate patterns and help to maintain a viable population of brown bears in Nepal.
The uprooting of shrubs and the collection of dung are very common practices within the study area due to the absence of trees necessary to meet demands for fuel wood. Caragana spp, Androsace sarmentosa, Lonicera spp, and Rosa spp continue to be over-harvested for this purpose. In most cases the entire shrub is harvested, and the woody roots are stored on the roofs of houses to dry for winter use (Figure 6). Such practices also exist in the Himalayan region of India [19]. There is no alternative fuel wood available, with the exception of a few private plantations in the upper Mustang region. The uncontrolled collection of wild plants for fuel should gradually be banned, and alternative fuel wood sources should be provided for local people. Private fuel wood tree plantations could be promoted, as could the use of solar energy.
Figure 6. Transportation (a,b) and storage (c,d) of uprooted plants for winter fuel.
Figure 6. Transportation (a,b) and storage (c,d) of uprooted plants for winter fuel.
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The Trans-Himalayan rangeland maintains a very low plant biomass, and there is a substantial overlap in habitat and resource use by wild ungulates and livestock [20,21,22,23,24,25,26]. The results of the present study give new insight into the extent of this habitat overlap between livestock, blue sheep and the omnivorous brown bear. Given the limited plant resources in this region [20,21,22,23,24,25,26], it is likely that there is substantial competition for available foods between the overlapping species. For this reason, in addition to the threat that brown bears pose to livestock and that blue sheep pose to crops [3], this overlap should be taken into consideration in the preparation of species management and land use plans in the Trans-Himalaya region. Further detailed studies should be conducted to understand the ecological interactions between the co-occurring wildlife species within the shared habitats.
In addition to resource availability, brown bear habitat selection is influenced by a suite of dynamic factors, including risk of predation and human disturbance [27,28,29,30]. In the present study, we did not find any signs of brown bears closer than 5 km from villages and human settlements, most likely because of the combined effects of over-exploitation of resources and perceived threat from humans. Blue sheep and livestock generally use the middle slope positions for grazing, as do Himalayan marmots. Himalayan marmots also prefer areas with good food availability and high sun exposure [30]; these locations were also selected by the brown bear. Blue sheep used higher elevations than smaller livestock, but overlapped extensively with yaks. Although the brown bears overlapped more with blue sheep than with domestic livestock, there was still a sharing of habitat, and this is likely to increase the conflict between brown bears and local people (by retaliatory killing), if this overlap causes bears to depredate livestock more frequently.
Brown bears are of high conservation value in Nepal, and in the present paper we have reported an initial draft of an evidence-based recommendation for a conservation action plan for this species. However, more information is needed, particularly regarding the status and distribution of brown bears in the far western regions of the country. We propose the implementation of a three-stage program of conservation activities for brown bear conservation in Nepal. This program should include: (a) Detailed research activities in and outside the protected areas of Nepal; (b) support for local livelihood and conservation awareness; and (c) the strengthening of local capacity and a reduction in human-wildlife conflict, including poaching, in the region. However, it needs to be noted that within the brown bear distribution of the Himalayan region there is a diversity of cultures, religions and economic statuses. For this reason, site-specific brown bear conservation research action plans should be prepared and implemented.


We thank Annapurna Conservation Area Project and Ministry of Forest and Soil Conservation, Department of National Park and Wildlife Conservation for providing permission and support to conduct both the research and the workshop discussed in this paper. Thanks also to all the participants who were involved in the two workshops for their valuable comments and suggestions. For financial support, we are grateful to the Rufford Small Grant Foundation, UK; Alteris, Netherland; Keidanren Nature Conservation Fund (KNCF), Japan and British Ecological Society (BES, UK), and the Massey University Research Fund (New Zealand).
Authors Contribution: AA: field data collection, data analysis and manuscript preparation; DR: field visit, manuscript editing, supervision; BSP, KJK, SS: involved in workshops, review and approval; SK, JK, WJ and DB: review, editing and supervision.


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MDPI and ACS Style

Aryal, A.; Raubenheimer, D.; Sathyakumar, S.; Poudel, B.S.; Ji, W.; Kunwar, K.J.; Kok, J.; Kohshima, S.; Brunton, D. Conservation Strategy for Brown Bear and Its Habitat in Nepal. Diversity 2012, 4, 301-317.

AMA Style

Aryal A, Raubenheimer D, Sathyakumar S, Poudel BS, Ji W, Kunwar KJ, Kok J, Kohshima S, Brunton D. Conservation Strategy for Brown Bear and Its Habitat in Nepal. Diversity. 2012; 4(3):301-317.

Chicago/Turabian Style

Aryal, Achyut, David Raubenheimer, Sambandam Sathyakumar, Buddi Sagar Poudel, Weihong Ji, Kamal Jung Kunwar, Jose Kok, Shiro Kohshima, and Dianne Brunton. 2012. "Conservation Strategy for Brown Bear and Its Habitat in Nepal" Diversity 4, no. 3: 301-317.

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