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Title Distribution, abundance, and habitat requirements of endangered babblers in Mt. Kanlaon Natural Park, Negros Island, Philippines
Posted by Dennis Warguez
Authors Shaira Grace Pios, Dennis Warguez, Andrew Reintar, Lisa Marie Paguntalan, Philip Godfrey Jakosalem
Publication date 2016
Journal Sylvatrop: The Technical Journal of Philippine Ecosystems and Natural Resources
Volume 26
Issue 1 and 2
Pages 1-18
Publisher Department of Environment and Natural Resources
Abstract A study on the distribution, abundance, and habitat requirements of flame-templed babbler (Dasycrotapha speciosa) and Negros-striped babbler (Stachyris nigrorum) in Mt. Kanlaon Natural Park was conducted from 18 May to 2 June 2015. A total of 44.5 km of transects were surveyed using a combination of line transect and point count methods while 567 circular plots measuring 30 m x 30 m were established for habitat assessment. A total of 27 individuals of the flame-templed babbler were recorded in habitat types occurring from 604–1,078 masl while 14 individuals of the Negros striped-babbler was encountered in primary forest and secondary montane forest from 1,105–1,927 masl. D. speciosa was abundant in secondary lowland forest (n=16) while S. nigrorum was abundant in secondary montane forest (n=8). The presence of D. speciosa in plantation denotes that this forest serves as temporary habitat for this babbler. Both logistic regression analysis and Poisson distributions showed that increased percentage of climbing bamboos and trees with 16–20 m height and decreased elevation implied increased likelihood of the occurrence and abundance of D. speciosa. Forest bat diversity and abundance in different habitats on Mt. Kanlaon Natural Park, Negros Island. A total of 44.5 km of transects were surveyed using a combination of line transect and point count methods while 567 circular plots measuring 30 m x 30 m were established for habitat assessment. A total of 27 individuals of the flame-templed babbler were recorded in habitat types occurring from 604–1,078 masl while 14 individuals of the Negros striped-babbler was encountered in primary forest and secondary montane forest from 1,105–1,927 masl. D. speciosa was abundant in secondary lowland forest (n=16) while S. nigrorum was abundant in secondary montane forest (n=8). The presence of D. speciosa in plantation denotes that this forest serves as temporary habitat for this babbler. Both logistic regression analysis and Poisson distributions showed that increased percentage of climbing bamboos and trees with 16–20 m height and decreased elevation implied increased likelihood of the occurrence and abundance of D. speciosa.
Index terms / Keywords babblers, abundance, habitat requirements, Mt. Kanlaon Natural Park
URL https://www.academia.edu/35138520/Sylvatrop-Vol-26-Special-Issue_25th-Philippine-Biodiversity-Symposium.pdf