Diversity and Distribution of Birds in the Bharathapuzha river basin, Kerala, India
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Abstract
Bharathapuzha River is the second largest, west-flowing river in Kerala, Western Ghats. This river is exposed to high levels of anthropogenic and natural pressures. This study attempts to understand the diversity and distribution of birds in this river basin. The observations were made from October 2017 to July 2019 in 70*1 km2 grids distributed in three strata (i.e., upper, middle, and lower reaches). A total of 262 bird species were recorded from the river basin. The diversity and richness of birds were found high in the upper reaches of the river and the species abundance was found more in the lower reaches. Due to the high turnover of migratory species, the rank abundance model for upper and lower reaches showed a high degree of dominance while middle reaches showed a relatively even distribution of abundances. Deforestation, sand mining, and water pollution were found to be the major threats in the river basin. Hence the results show the importance of the protection and rejuvenation of the ecosystems associated with the river for the conservation of avian diversity in the region.
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References
Aarif, K.M., S. Babu & H.S.V. Abdul (2010). Distribution of the Black-bellied Tern Sterna acuticauda Gray in Kerala, South India. Podoces 5(1): 69–70.
Abell, R., M.L. Thieme, C. Revenga, M. Bryer, M. Kottelat, N. Bogutskaya & P.P. Petry (2008). Freshwater ecoregions of the world: a new map of biogeographic units for freshwater biodiversity conservation. Bioscience 58(5): 403–414. https://doi.org/10.1641/B580507
Ali, S. (1999). Birds of Kerala. Kerala Forests and Wildlife Department, Thiruvananthapuram, 520 pp.
Ali, S. & S.D. Ripley (1983). A Pocket Guide to the Birds of the Indian Subcontinent. Bombay Natural History Society, Bombay, 354 pp.
Bijukumar, A. (2006). Avifaunal diversity of Bharathapuzha river basin, Kerala. Zoos’ Print Journal 21(8): 2350–2355. https://doi.org/10.11609/JoTT.ZPJ.1473.2350-5
Chandran, A., J. Praveen & C. Sashikumar (2023). JoTT Checklist of the Birds of Kerala (v3.0), 01 January 2023. https://threatenedtaxa.org/index.php/JoTT/checklists/birds/kerala electronic version accessed 17 May 2023.
Eapen, M. (1999). Economic Diversification in Kerala: A Spatial Analysis. Centre for Development Studies, Thiruvananthapuram, 44 pp.
Gergel, S.E., M.G. Turner, J.R. Miller, J.M. Melack & E.H. Stanley (2002). Landscape indicators of human impacts to riverine systems. Aquatic Sciences 64(2): 118–128. https://doi.org/10.1007/s00027-002-8060-2
Grimmett, R., C. Inskipp & T. Inskipp (2014). Birds of Indian Sub-continent. Oxford University Press, 528 pp.
Jayson, E.A. (2002). Ecology of Wetland Birds in the Kole lands of Kerala. Kerala Forest Research Institute Research. Report No. 244: 102 pp.
John, J., N.R. Chithra & G.T. Santosh (2019). Prediction of land use/cover change in the Bharathapuzha river basin, India using geospatial techniques. Environmental Monitoring and Assessment 191(6): 1–15. https://doi.org/10.1007/s10661-019-7482-4
Kazmierczak, K. (2000). A Field Guide to the Birds of India. Pica Press, U.K, 351 pp.
Knopf, F.L. (1985). Significance of riparian vegetation to breeding birds across an altitudinal cline, pp. 105–111. In: Johnson, R.R., C.D. Ziebell, D.R. Patton, P.F. Folliott & R.H. Hamre (Tech. Coords.). Riparian ecosystems and their management: reconciling conflicting uses: First North American Riparian Conference; 1985 April 16–18; Tucson, AZ. Gen. Tech. Rep. RM-120. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station.
Kumar, B.A. (2001). Biodiversity of Bharathapuzha (Nila River), Kerala. Report submitted to UGC, Southern regional office, Bangalore.
Kumar, B.M. (2005). Land Use in Kerala: Changing Scenarios and Shifting Paradigms. Journal of Tropical Agriculture 42(1–2): 1–12.
Kurup, D.N. (1991). Migrant shorebirds in estuarine habitats with special reference to Kadalundi and Bharathapuzha estuaries, pp. 31–32. Proceedings of the Third Kerala Science Congress, February–March 1991, Kozhikode.
Kurup, D.N. (1996). Ecology of the birds of Bharathapuzha estuary and survey of the coastal wetlands of Kerala. Final Report submitted to the Kerala Forest Department, Thiruvananthapuram, 56 pp.
Sreedhar, L. & Z.B. Irfan (2016). Economic Incentives for the Conservation of Bharathapuzha River: Focus on Sand Mining. Report No. 140.
Magurran, A.E. (1988). Ecological Diversity and Its Measurement. Princeton University Press, 179 pp.
Naiman, R.J., H. Decamps & M. Pollock (1993). The role of riparian corridors in maintaining regional biodiversity. Ecological Applications 3(2): 209–212. https://doi.org/10.2307/1941822
Namassivayan, L. & R. Venugopalan (1989). Avocet in Kerala. Journal of the Bombay Natural History Society 86(3): 447.
Namassivayan, L., P.K. Uthaman & R. Venugopalan (1989). Four additions to the birds of Kerala. Journal of the Bombay Natural History Society 86(3): 458–460.
Nameer, P.O. (2005). Wetlands and waterfowl conservation in Kerala with special reference to Ramsar sites, pp. 97–112. In: Ambat, B. (ed.). Proceedings of Kerala Environment Congress. Centre for Environment and Development, Thiruvananthapuram, Kerala, 274 pp.
Neelakantan, K.K. (1969). Occurrence of the Terek Sandpiper in Kerala. Journal of the Bombay Natural History Society 66(3): 623.
Neelakantan, K.K. (1970). Occurrence of Sanderling in Kerala. Journal of the Bombay Natural History Society 67(3): 570.
Neelakantan, K.K. (1981). The Brown-winged Tern: an addition to the birds of Kerala. Journal of the Bombay Natural History Society 78(1): 83.
Neelakantan, K.K. (1982). The Pintail, an addition to the list of birds occurring in Kerala. Journal of the Bombay Natural History Society 79(3): 67–68.
Neelakantan, K.K. & V.K. Sureshkumar (1980). Occurrence of Black-winged Stilt in Kerala. Journal of the Bombay Natural History Society 77(3): 510.
Neelakantan, K.K., K.V. Sreenivasan & V.K. Sureshkumar (1980). The Crab Plover in Kerala. Journal of the Bombay Natural History Society 11(3): 508.
Neelakantan, K.K., C. Sashikumar & R. Venugopalan (1993). A Book of Kerala Birds. Part I. WWF India, Kerala State Office, 146 pp.
Nossiter, T.J. (1982). Communism in Kerala: A Study in Political Adaptation. Royal Institute of International Affairs. Hurst & Co. Publishers, New York, 426 pp.
Oksanen, J.F., G. Blanchet, R.K.P. Legendre, P.R. Minchin, R.B. O’hara, & G.L. Simpson (2013). Vegan: Community Ecology Package. R version 2.6-4. 1-295. <https://CRAN.R-project.org/package=vegan>.
Pramod, P. (1995). Ecological studies of bird communities in Silent Valley and neighbouring forests. PhD Thesis, University of Calicut
Praveen, J., R. Jayapal & A. Pittie (2020). Taxonomic updates to the checklists of birds of India, and the South Asian region—2020. Indian Birds 16(1): 12–19
Reynolds, R.T., J.M. Scott & R.A Nussbaum (1980). A variable circular-plot method for estimating bird numbers. The Condor 82(3): 309–313. https://doi.org/10.2307/1367399
Rice, J., B.W. Anderson & R.D. Ohmart (1980). Seasonal habitat selection by birds in the lower Colorado River valley. Ecology 61(6): 1402–1411. https://doi.org/10.2307/1939049
SOIB (2023). State of India’s Birds, 2023: Range, trends, and conservation status. The SoIB Partnership, 119 pp.
Stauffer, F. & L.B. Best (1980). Habitat selection by birds of riparian communities: evaluating effects of habitat alterations. The Journal of Wildlife Management 44(1): 1–15. https://doi.org/10.2307/3808345
Stevens, L.E., B.T. Brown, J.M. Simpson & R.R. Johnson (1977). The importance of riparian habitat to migrating birds. U.S. Forest Service, General Technical Report 166.
Strahler, A.N. (1957). Quantitative analysis of watershed geomorphology. Eos, Transactions American Geophysical Union 38(6): 913–920. https://doi.org/10.1029/TR038i006p00913
Susanthkumar, C. (2004). Breeding biology and status study of Black-bellied Tern (Sterna acuticauda) in Bharathapuzha river basin, Kerala, India. A study report by Warblers and waders, Thiruvananthapuram.
Sutherland, W.J., I. Newton & R. Green (2004). Bird Ecology and Conservation: A Handbook of Techniques. Oxford University Press, Oxford, 385 pp. https://doi.org/10.1093/acprof:oso/9780198520863.001.0001
Uthaman, P.K. & L. Namassivayam (1991). The birdlife of Kadalundi estuary. Blackbuck 7(1): 3–12.
Wiens, J.A. (1989). The Ecology of Bird Community, Vol 1. Cambridge University Press, New York, 560 pp.