Spatial distribution of nests and nesting trees of colonial birds at Telineelapuram pelicanry using geospatial tools in Andhra Pradesh, India

Journal of Entomology and Zoology Studies Pub Date : 2023-09-01 DOI:10.22271/j.ento.2023.v11.i5b.9232

Sravan Kumar R, Vasudeva Rao V, Sasikala Ch, Siva Krishna Ch, Prasad SN, Nagulu V

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Abstract

Telineelapuram pelicanry (IBA-IN-229) is located in the village scenery with an area spread of about 244 ha at Tekkali mandal in the Srikakulam district. The present study was carried out from 2009 to 2015. An attempt was made to record spatial distribution of nests of Spot-billed Pelican or Grey Pelican (Pelecanus philippensis) and Painted Stork (Mycteria leucocephala) over a wider canopy with a ground cover of 11.04ha. A handheld Global Positioning System (GPS) unit was used to mark the canopy ground cover and Open-source GIS tool, QGIS Wein 2.1.8 was used to visualize the in-situ conditions by integrating the ground data and analyze temporal variations with spatial scenario. During the study period, there was an increase in spatial distribution of nests over the available trees, and reduction of canopy area utilized for nesting. The increase in the population of two bird species during the study period indicates the potential of available resources for the expansion of its nesting area.

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利用地理空间工具研究印度安得拉邦Telineelapuram鹈鹕场鸟类巢穴和筑巢树的空间分布

Telineelapuram鹈鹕场(IBA-IN-229)位于Srikakulam区的Tekkali mandal村，面积约244公顷。本研究于2009年至2015年进行。在面积为11.04ha的较宽林冠上，尝试记录斑嘴鹈鹕、灰鹈鹕(Pelecanus philippensis)和彩鹳(Mycteria leucocephala)巢穴的空间分布。利用手持式全球定位系统(GPS)单元对冠层地表覆盖物进行标记，利用开源GIS工具QGIS Wein 2.1.8整合地面数据，可视化地表条件，并结合空间情景分析时间变化。在研究期间，巢在可用树木上的空间分布增加，用于筑巢的冠层面积减少。在研究期间，两种鸟类种群数量的增加表明了其筑巢面积扩大的可用资源潜力。

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Journal of Entomology and Zoology Studies

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