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Journal ofThreatened JoTT TaxaBuilding evidence for conservation globally 10.11609/jott.2020.12.14.16927-17062 www.threatenedtaxa.org 26 October 2020 (Online & Print) Vol. 12 | No. 14 | Pages: 16927–17062 ISSN 0974-7907 (Online) | ISSN 0974-7893 (Print) PLATINUM OPEN ACCESS ISSN 0974-7907 (Online); ISSN 0974-7893 (Print) Publisher Host Wildlife Information Liaison Development Society Zoo Outreach Organization www.wild.zooreach.org www.zooreach.org No. 12, Thiruvannamalai Nagar, Saravanampatti - Kalapatti Road, Saravanampatti, Coimbatore, Tamil Nadu 641035, India Ph: +91 9385339863 | www.threatenedtaxa.org Email: [email protected] EDITORS English Editors Mrs. Mira Bhojwani, Pune, India Founder & Chief Editor Dr. Fred Pluthero, Toronto, Canada Dr. Sanjay Molur Mr. P. Ilangovan, Chennai, India Wildlife Information Liaison Development (WILD) Society & Zoo Outreach Organization (ZOO), 12 Thiruvannamalai Nagar, Saravanampatti, Coimbatore, Tamil Nadu 641035, Web Development India Mrs. Latha G. Ravikumar, ZOO/WILD, Coimbatore, India Deputy Chief Editor Typesetting Dr. Neelesh Dahanukar Indian Institute of Science Education and Research (IISER), Pune, Maharashtra, India Mr. Arul Jagadish, ZOO, Coimbatore, India Mrs. Radhika, ZOO, Coimbatore, India Managing Editor Mrs. Geetha, ZOO, Coimbatore India Mr. B. Ravichandran, WILD/ZOO, Coimbatore, India Mr. Ravindran, ZOO, Coimbatore India Associate Editors Fundraising/Communications Dr. B.A. Daniel, ZOO/WILD, Coimbatore, Tamil Nadu 641035, India Mrs. Payal B. Molur, Coimbatore, India Dr. Mandar Paingankar, Department of Zoology, Government Science College Gadchiroli, Chamorshi Road, Gadchiroli, Maharashtra 442605, India Dr. Ulrike Streicher, Wildlife Veterinarian, Eugene, Oregon, USA Editors/Reviewers Ms. Priyanka Iyer, ZOO/WILD, Coimbatore, Tamil Nadu 641035, India Subject Editors 2017–2019 Fungi Editorial Board Ms. Sally Walker Dr. B. Shivaraju, Bengaluru, Karnataka, India Founder/Secretary, ZOO, Coimbatore, India Prof. Richard Kiprono Mibey, Vice Chancellor, Moi University, Eldoret, Kenya Dr. R.K. Verma, Tropical Forest Research Institute, Jabalpur, India Dr. Robert Lacy Dr. V.B. Hosagoudar, Bilagi, Bagalkot, India Department of Conservation Biology, Chicago Zoological Society (also known as Dr. Vatsavaya S. Raju, Kakatiay University, Warangal, Andhra Pradesh, India the Brookfield Zoo), Brookfield, Illinois 60513 USA; and Committee on Evolutionary Dr. D.J. Bhat, Retd. Professor, Goa University, Goa, India Biology, University of Chicago Plants Dr. Russel Mittermeier Executive Vice Chair, Conservation International, Arlington, Virginia 22202, USA Dr. G.P. Sinha, Botanical Survey of India, Allahabad, India Dr. N.P. Balakrishnan, Ret. Joint Director, BSI, Coimbatore, India Prof. Mewa Singh Ph.D., FASc, FNA, FNASc, FNAPsy Dr. Shonil Bhagwat, Open University and University of Oxford, UK Ramanna Fellow and Life-Long Distinguished Professor, Biopsychology Laboratory, Prof. D.J. Bhat, Retd. Professor, Goa University, Goa, India and Institute of Excellence, University of Mysore, Mysuru, Karnataka 570006, India; Dr. Ferdinando Boero, Università del Salento, Lecce, Italy Honorary Professor, Jawaharlal Nehru Centre for Advanced Scientific Research, Dr. Dale R. Calder, Royal Ontaro Museum, Toronto, Ontario, Canada Bangalore; and Adjunct Professor, National Institute of Advanced Studies, Bangalore Dr. Cleofas Cervancia, Univ. of Philippines Los Baños College Laguna, Philippines Dr. F.B. Vincent Florens, University of Mauritius, Mauritius Dr. Ulrike Streicher, DVM Dr. Merlin Franco, Curtin University, Malaysia Wildlife Veterinarian / Wildlife Management Consultant, 1185 East 39th Place, Eugene, Dr. V. Irudayaraj, St. Xavier’s College, Palayamkottai, Tamil Nadu, India OR 97405, USA Dr. B.S. Kholia, Botanical Survey of India, Gangtok, Sikkim, India Dr. Pankaj Kumar, Kadoorie Farm and Botanic Garden Corporation, Hong Kong S.A.R., Stephen D. Nash China Scientific Illustrator, Conservation International, Dept. of Anatomical Sciences, Health Dr. V. Sampath Kumar, Botanical Survey of India, Howrah, West Bengal, India Sciences Center, T-8, Room 045, Stony Brook University, Stony Brook, NY 11794-8081, Dr. A.J. Solomon Raju, Andhra University, Visakhapatnam, India USA Dr. Vijayasankar Raman, University of Mississippi, USA Dr. B. Ravi Prasad Rao, Sri Krishnadevaraya University, Anantpur, India Dr. Fred Pluthero Dr. K. Ravikumar, FRLHT, Bengaluru, Karnataka, India Toronto, Canada Dr. Aparna Watve, Pune, Maharashtra, India Dr. Qiang Liu, Xishuangbanna Tropical Botanical Garden, Yunnan, China Dr. Martin Fisher Dr. Noor Azhar Mohamed Shazili, Universiti Malaysia Terengganu, Kuala Terengganu, Senior Associate Professor, Battcock Centre for Experimental Astrophysics, Cavendish Malaysia Laboratory, JJ Thomson Avenue, Cambridge CB3 0HE, UK Dr. M.K. Vasudeva Rao, Shiv Ranjani Housing Society, Pune, Maharashtra, India Prof. A.J. Solomon Raju, Andhra University, Visakhapatnam, India Dr. Ulf Gärdenfors Dr. Mandar Datar, Agharkar Research Institute, Pune, Maharashtra, India Professor, Swedish Species Information Center, SLU, Uppsala, Sweden Dr. M.K. Janarthanam, Goa University, Goa, India Dr. K. Karthigeyan, Botanical Survey of India, India Dr. John Fellowes Dr. Errol Vela, University of Montpellier, Montpellier, France Honorary Assistant Professor, The Kadoorie Institute, 8/F, T.T. Tsui Building, The Dr. P. Lakshminarasimhan, Botanical Survey of India, Howrah, India University of Hong Kong, Pokfulam Road, Hong Kong Dr. Larry R. Noblick, Montgomery Botanical Center, Miami, USA Dr. K. Haridasan, Pallavur, Palakkad District, Kerala, India Dr. Philip S. Miller Dr. Analinda Manila-Fajard, University of the Philippines Los Banos, Laguna, Philippines Senior Program Officer, Conservation Breeding Specialist Group (SSC/IUCN), 12101 Dr. P.A. Sinu, Central University of Kerala, Kasaragod, Kerala, India Johnny Cake Ridge Road, Apple Valley, MN 55124, USA Invertebrates Prof. Dr. Mirco Solé Universidade Estadual de Santa Cruz, Departamento de Ciências Biológicas, Vice- Dr. R.K. Avasthi, Rohtak University, Haryana, India coordenador do Programa de Pós-Graduação em Zoologia, Rodovia Ilhéus/Itabuna, Km Dr. D.B. Bastawade, Maharashtra, India 16 (45662-000) Salobrinho, Ilhéus - Bahia - Brasil Dr. Partha Pratim Bhattacharjee, Tripura University, Suryamaninagar, India continued on the back inside cover Caption: Incrustations of Terpios hoshinota on Acropora muricata (T. hoshinota exhibiting osculum with radiating networks). © Rocktim Ramen Das Journal of Threatened Taxa | www.threatenedtaxa.org | 26 September 2020 | 12(14): 16927–16943 ISSN 0974-7907 (Online) | ISSN 0974-7893 (Print) PLATINUM OPEN ACCESS DOI: https://doi.org/10.11609/jott.5815.12.14.16927-16943 #5815 | Received 26 February 2020 | Final received 17 September 2020 | Finally accepted 20 September 2020 A r t Elevational pattern and seasonality of avian diversity in i c l Kaligandaki River Basin, central Himalaya e Juna Neupane 1 , Laxman Khanal 2 , Basant Gyawali 3 & Mukesh Kumar Chalise 4 1,2,3,4 Central Department of Zoology, Institute of Science and Technology, Tribhuvan University, Kathmandu 44613, Nepal 2,4 Nepal Biodiversity Research Society (NEBORS), Lalitpur, Nepal. 1 [email protected], 2 [email protected] (corresponding author), 3 [email protected], 4 [email protected] Abstract: This study explored bird diversity, seasonal variation, and associated factors along an elevational gradient in an important biodiversity area (IBA) of central Nepal: the Kaligandaki River basin of Annapurna Conservation Area. The field survey was carried out in 2019 over two seasons, winter (January and February) and summer (May and June) using the point count method. A total of 90 sampling plots were set up from elevations of 800m (Beni) to 3,800m (Muktinath). Data for variables including the number of fruiting trees (indicator of resource availability) and distance to the road (indicator of disturbance) were collected, and their influence on avian diversity were assessed. The results revealed a diverse assemblage of avian fauna in the study area with consistent species richness over the two seasons. A decline in species richness and diversity with increasing elevation was observed. Of the different habitat types within the study area, forest and shrubland habitats showed the strongest association with bird species distribution and richness. We emphasize the need for long-term monitoring programs with standardized sampling approaches to better understand the avifauna in the central Himalaya. Keywords: Biodiversity pattern, birds, elevational gradient, monotonic decline, species richness. Editor: Carol Inskipp, Bishop Auckland Co., Durham, UK. Date of publication: 26 September 2020 (online & print) Citation: Neupane, J., L. Khanal, B. Gyawali & M.K. Chalise (2020). Elevational pattern and seasonality of avian diversity in Kaligandaki River Basin, central Himalaya. Journal of Threatened Taxa 12(14): 16927–16943. https://doi.org/10.11609/jott.5815.12.14.16927-16943 Copyright: © Neupane et al. 2020. Creative Commons Attribution 4.0 International License. JoTT allows unrestricted use, reproduction, and distribution of this article in any medium by providing adequate credit to the author(s) and the source of publication. Funding: This study was supported by a student research grant under the Hariyo Ban program of WWF Nepal (GX70, AID-367-A-16-00008). Competing interests: The authors declare no competing interests. Author details: Juna Neupane, MSc, is a 2019 graduate in zoology