Marphological variation in the dusky fruit bat, penthetor lucasi, in Sarawak, Malaysia

Morphological analysis of 70 adult individuals of the dusky fruit bat, Penthetor lucasi, was performed using 15 external characters and 18 craniodental characters. Multiple regression and discriminant function analysis (DFA) were applied to test the effects of sex, location and interaction betwee...

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Main Author: Mohd. R., Abd. Rahman
Format: Article
Language:English
Published: Chulalongkorn University 2010
Subjects:
Online Access:http://ir.unimas.my/id/eprint/8611/
http://ir.unimas.my/id/eprint/8611/1/2011-08-borMRAR.pdf
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author Mohd. R., Abd. Rahman
author_facet Mohd. R., Abd. Rahman
author_sort Mohd. R., Abd. Rahman
building UNIMAS Institutional Repository
collection Online Access
description Morphological analysis of 70 adult individuals of the dusky fruit bat, Penthetor lucasi, was performed using 15 external characters and 18 craniodental characters. Multiple regression and discriminant function analysis (DFA) were applied to test the effects of sex, location and interaction between individuals in the study, and to determine and identify characters which are efficient in differentiating individuals among populations, respectively. Most characters were significantly affected by sex, locality and their interactions. Thus, separate analyses were done for both sexes. The fourth digit metacarpal length (D4MCL) and bulla length (BL) of males, and the hind foot (HF) and dental length (DL) of females, were suggested as the best predictors for the external and craniodental characters, respectively, in differentiating P. lucasi from different localities. These findings establish the morphological morphological variation between three geographically separate populations of P. lucasi within Sarawak. It is suggested that different ecological forces between populations, such as breeding, foraging behaviour, crowding effects and resource availability, could have been the moulding factors behind the observed morphological variations in the different P. lucasi populations.
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spelling unimas-86112015-08-17T07:52:30Z http://ir.unimas.my/id/eprint/8611/ Marphological variation in the dusky fruit bat, penthetor lucasi, in Sarawak, Malaysia Mohd. R., Abd. Rahman QL Zoology Morphological analysis of 70 adult individuals of the dusky fruit bat, Penthetor lucasi, was performed using 15 external characters and 18 craniodental characters. Multiple regression and discriminant function analysis (DFA) were applied to test the effects of sex, location and interaction between individuals in the study, and to determine and identify characters which are efficient in differentiating individuals among populations, respectively. Most characters were significantly affected by sex, locality and their interactions. Thus, separate analyses were done for both sexes. The fourth digit metacarpal length (D4MCL) and bulla length (BL) of males, and the hind foot (HF) and dental length (DL) of females, were suggested as the best predictors for the external and craniodental characters, respectively, in differentiating P. lucasi from different localities. These findings establish the morphological morphological variation between three geographically separate populations of P. lucasi within Sarawak. It is suggested that different ecological forces between populations, such as breeding, foraging behaviour, crowding effects and resource availability, could have been the moulding factors behind the observed morphological variations in the different P. lucasi populations. Chulalongkorn University 2010 Article NonPeerReviewed text en http://ir.unimas.my/id/eprint/8611/1/2011-08-borMRAR.pdf Mohd. R., Abd. Rahman (2010) Marphological variation in the dusky fruit bat, penthetor lucasi, in Sarawak, Malaysia. Tropical Natural History, 10 (2). pp. 141-158.
spellingShingle QL Zoology
Mohd. R., Abd. Rahman
Marphological variation in the dusky fruit bat, penthetor lucasi, in Sarawak, Malaysia
title Marphological variation in the dusky fruit bat, penthetor lucasi, in Sarawak, Malaysia
title_full Marphological variation in the dusky fruit bat, penthetor lucasi, in Sarawak, Malaysia
title_fullStr Marphological variation in the dusky fruit bat, penthetor lucasi, in Sarawak, Malaysia
title_full_unstemmed Marphological variation in the dusky fruit bat, penthetor lucasi, in Sarawak, Malaysia
title_short Marphological variation in the dusky fruit bat, penthetor lucasi, in Sarawak, Malaysia
title_sort marphological variation in the dusky fruit bat, penthetor lucasi, in sarawak, malaysia
topic QL Zoology
url http://ir.unimas.my/id/eprint/8611/
http://ir.unimas.my/id/eprint/8611/1/2011-08-borMRAR.pdf