Responses of babblers (Timaliidae) to the forest edge-interior gradient in an isolated tropical rainforest in Peninsular Malaysia

The understanding of bird community responses, especially Timaliidae family, to tropical forest edge–interior gradient is limited. In this study, the point-count sampling method was used to determine community composition, abundance and density of babblers along the edge–interior gradient in Ayer Hi...

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Main Authors: Moradi, Hossein Varasteh, Hussin, Mohamed Zakaria
Format: Article
Language:English
English
Published: 2010
Online Access:http://psasir.upm.edu.my/id/eprint/16541/1/Responses%20of%20babblers.pdf
http://psasir.upm.edu.my/id/eprint/16541/
http://myjurnal.um.edu.my/filebank/published_article/2922/36-48.pdf
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spelling my.upm.eprints.165412015-10-21T07:47:11Z http://psasir.upm.edu.my/id/eprint/16541/ Responses of babblers (Timaliidae) to the forest edge-interior gradient in an isolated tropical rainforest in Peninsular Malaysia Moradi, Hossein Varasteh Hussin, Mohamed Zakaria The understanding of bird community responses, especially Timaliidae family, to tropical forest edge–interior gradient is limited. In this study, the point-count sampling method was used to determine community composition, abundance and density of babblers along the edge–interior gradient in Ayer Hitam Forest Reserve, Peninsular Malaysia. Environmental variables were measured within a 25 m radius of each point. Babbler species richness and diversity were positively correlated with humidity, distance from edge and the number of palm trees. There was a clear structured gradient in babbler species composition across edge–interior gradient and habitat variables, with abundant edge and interior specialist species. The interior specialist species were positively correlated with distance gradient, humidity, litter depth, canopy cover and the number of palm trees. In contrast, edge-tolerant species were positively correlated with ground cover, light intensity, shrub cover, and per cent of shrub cover between 0.5 and 2 m high but negatively correlated with distance from the forest edge. Changes in habitat structure at the edge of the isolated lowland rainforest may explain babbler species response to edge–interior gradient. From a conservation perspective, edge-avoider species should receive the most attention. 2010 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/16541/1/Responses%20of%20babblers.pdf Moradi, Hossein Varasteh and Hussin, Mohamed Zakaria (2010) Responses of babblers (Timaliidae) to the forest edge-interior gradient in an isolated tropical rainforest in Peninsular Malaysia. Journal of Tropical Forest Science, 22 (1). pp. 36-48. ISSN 0128-1283 http://myjurnal.um.edu.my/filebank/published_article/2922/36-48.pdf English
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
English
description The understanding of bird community responses, especially Timaliidae family, to tropical forest edge–interior gradient is limited. In this study, the point-count sampling method was used to determine community composition, abundance and density of babblers along the edge–interior gradient in Ayer Hitam Forest Reserve, Peninsular Malaysia. Environmental variables were measured within a 25 m radius of each point. Babbler species richness and diversity were positively correlated with humidity, distance from edge and the number of palm trees. There was a clear structured gradient in babbler species composition across edge–interior gradient and habitat variables, with abundant edge and interior specialist species. The interior specialist species were positively correlated with distance gradient, humidity, litter depth, canopy cover and the number of palm trees. In contrast, edge-tolerant species were positively correlated with ground cover, light intensity, shrub cover, and per cent of shrub cover between 0.5 and 2 m high but negatively correlated with distance from the forest edge. Changes in habitat structure at the edge of the isolated lowland rainforest may explain babbler species response to edge–interior gradient. From a conservation perspective, edge-avoider species should receive the most attention.
format Article
author Moradi, Hossein Varasteh
Hussin, Mohamed Zakaria
spellingShingle Moradi, Hossein Varasteh
Hussin, Mohamed Zakaria
Responses of babblers (Timaliidae) to the forest edge-interior gradient in an isolated tropical rainforest in Peninsular Malaysia
author_facet Moradi, Hossein Varasteh
Hussin, Mohamed Zakaria
author_sort Moradi, Hossein Varasteh
title Responses of babblers (Timaliidae) to the forest edge-interior gradient in an isolated tropical rainforest in Peninsular Malaysia
title_short Responses of babblers (Timaliidae) to the forest edge-interior gradient in an isolated tropical rainforest in Peninsular Malaysia
title_full Responses of babblers (Timaliidae) to the forest edge-interior gradient in an isolated tropical rainforest in Peninsular Malaysia
title_fullStr Responses of babblers (Timaliidae) to the forest edge-interior gradient in an isolated tropical rainforest in Peninsular Malaysia
title_full_unstemmed Responses of babblers (Timaliidae) to the forest edge-interior gradient in an isolated tropical rainforest in Peninsular Malaysia
title_sort responses of babblers (timaliidae) to the forest edge-interior gradient in an isolated tropical rainforest in peninsular malaysia
publishDate 2010
url http://psasir.upm.edu.my/id/eprint/16541/1/Responses%20of%20babblers.pdf
http://psasir.upm.edu.my/id/eprint/16541/
http://myjurnal.um.edu.my/filebank/published_article/2922/36-48.pdf
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score 13.211869