Dhirendra Bahadur Chand

Tribhuvan University

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Laxman Khanal

Tribhuvan University

Mukesh Kumar Chalise

Nepal Red Cross Society

Naresh Pandey

Tribhuvan University

Suresh Basnet

Tribhuvan University

B. H. Wagle

Institute of Forestry

Laxmi Prasad Upadhyaya

Tribhuvan University

Krishna Prasad Bhusal

Nepal Medical College Teaching Hospital

Melina Karki

Manmohan Memorial Institute of Health Sciences

B. Rayamajhi

International Union for Conservation of Nature (Guinea-Bissau)

Hiru Lal Dangaura

Cooperative Institutions

Tribhuvan University

International Union for Conservation of Nature (Guinea-Bissau)

Nepal Red Cross Society

University of Washington

University of Eastern Finland

Institute of Engineering

Delft University of Technology

Institute of Forestry

B.P. Koirala Institute of Health Sciences

Kunming Institute of Zoology

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Projected distribution of the westernmost subpopulation of Assamese macaques (Macaca assamensis pelops) under climate change: conservation implications of a threatened population

Frontiers in Conservation Science (2023)

Laxman Khanal Laxmi Prasad Upadhyaya Naresh Pandey Dhirendra Bahadur Chand Melina Karki

Anthropogenic climate change can have a negative impact on the distribution of habitat specialist species with narrow distributional ranges. Among the many areas around the world affected by climate change, the Himalayan region in particular is experiencing marked effects of global warming on its climatic patterns and life forms. This study assessed the current distribution of Assamese macaques ( Macaca assamensis ) in western Nepal, and projected their likely distribution (via habitat suitability modeling) for the years 2050 and 2070 under the two most plausible greenhouse gas emission scenarios (RCP4.5 and RCP6.0). We recorded a total of 159 Assamese macaques belonging to 10 groups (nine of them residing outside of protected area networks) between 684m and 2550m asl in western Nepal. Climatic niche modeling predicted that 37.03% (25,114 km 2 ) of the total area of western Nepal (67,813 km 2 ) represented suitable habitat of the species, the majority of which ranged between 1000 m and 2000 m asl. Future projections of the current climatic niche of the Assamese macaques revealed a consistent decrease in the suitable habitat for 2050 and 2070 in both of the greenhouse emission scenarios tested. With the RCP6.0 scenario, almost 57% of the current highly suitable habitat would be lost by 2070 with remaining suitable habitat shifted towards higher elevations. The loss of habitat directly affects the species survival and the range shift towards higher elevation exposes them to new areas for conflict with humans. Therefore, the Assamese macaque population in western Nepal requires a high conservation priority with the establishment of new protected areas.

Assamese

Environmental niche modelling

10.3389/fcosc.2023.1235595

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Citations (2)

Avian richness of the Basanta Protected Forest, far-western lowland Nepal: Implication for conservation

Nepalese Journal of Zoology (2020)

Hiru Lal Dangaura Naresh Pandey Dhirendra Bahadur Chand Krishna Prasad Bhusal

Birds are important components of biodiversity and acts as an indicator of habitat quality, productivity and stability. This study aimed to document species richness and assess the temporal distribution pattern of globally threatened bird species in the Basanta Protected Forest (BPF), one of the largest corridor forests which connects Dudhwa National Park (India) with protected areas of western lowland Nepal. During study period of ten years from 2010 to 2019, a total of 381 bird species from 78 families of 19 orders were recorded. Order Passeriformes had the highest species richness (n=180) followed by order Accipitriformes and Charadriiformes. Among the families, the family Muscicapidae had the highest species richness (n=31), followed by Accipitridae and Anatidae. Majority of bird recorded were forest bird followed by wetland and farmland bird species. Fifteen globally threatened species like red-headed vulture (Sarcogyps calvus), white-rumped vulture (Gyps bengalensis), slender-billed vulture (Gyps tenuirostris), steppe eagle (Aquila nipalensis) and Egyptian vulture (Neophron percnopterus) were recorded in the BPF. Extensive avian survey in the BPF is important for further exploration of avian community along with its driving factors, which might play a crucial role in developing baseline information and implementing conservation implications.

Vulture

Accipitridae

10.3126/njz.v4i2.33886

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Citations (5)

Plant diversity and stand structure comparison of Mikania micrantha invaded and non-invaded tropical Shorea robusta forest

Banko Janakari (2016)

Suresh Basnet Dhirendra Bahadur Chand Dhirendra Bahadur Chand B. H. Wagle B. H. Wagle

Mikania micrantha is considered to be the most problematic in terrestrial ecosystem in Eastern and Central Nepal. Despite the current situation of the Mikania invasion, quantitative data on the impacts and scale of the problems are lacking for the country. Due to the lack of information regarding scale of invasion, the stakeholders have not put forwarded the proper control mechanism of the species. This paper has made an attempt to analyze the scale of invasion through the comparison of plant biodiversity and basal area per hectare as the significance of stand structure between Mikaniainvaded and non-invaded tropical Shorea robusta forest areas. This study was conducted in Barandabhar Buffer Zone Forest of Chitwan National Park. Sampling and measurement was conducted in both the invaded and non-invaded forest areas. The stand structure of both the invaded and non-invaded areas were compared in terms of different parameters like seeding density, sapling density, pole basal area per hectare and tree basal area per hectare. Statistical analysis showed that there is significant impact of Mikania on plant diversity at seedling and sapling stages. There is negative effect of Mikania on stand structure of the forest. Hence, there is urgent need to control the invasive weed so as to control further invasion and to conserve biodiversity and productivity.Banko JanakariA Journal of Forestry Information for NepalVol. 26, No. 1, Page: 78-81, 2016

Basal area

Mikania micrantha

Hectare

Shorea robusta

10.3126/banko.v26i1.15506

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Distribution and Habitat Preference of Hispid Hare (Caprolagus Hispidus) In Shuklaphanta National Park, Nepal

Deleted Journal (2017)

Dhirendra Bahadur Chand Laxman Khanal Mukesh Kumar Chalise

Hispid hare (Caprolagu shispidus) is an endangered lagomorph which had a wide range of distribution in the past, but currently it is known to occur only from few isolated tall grass pockets of India and Nepal. We explored the population status, habitat utilization and existing threats of the Hispid hare at Shuklaphanta National Park (SNP) by the strip transect and quadrate sampling methods from November 2015 to May 2016 covering both winter and summer seasons. Four study sites of total 1.58ha were selected within SNPand strip transects were randomly laid to determine presence and absence of pellets of Hispid hare and their counts were used to estimate the population density. The Population density of Hispid hare was found to be 0.1820/ha in winter and 0.2268/ha in summer with the statistically significant preference to the tall grassland habitat. Twelve grass species were identified in the habitat of Hispid hare with dominancy of Saccharum spontaneum, Imperata cylindrica, Narenga porphyrocoma, and Saccharum munj. Among the grasses, Imperata cylindrica and Narenga porphyrocoma were the food species of higher preference for Hispid hare.

Sigmodon hispidus

Imperata

10.3126/tuj.v31i1-2.25326

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Citations (5)