صورة الغلاف

Evaluating habitat suitability for tree squirrels in a suburban environment.

Measuring an animal's use of food patches can reveal its perceptions of safety, food availability, and its own well-being in both disturbed and pristine habitats. In this paper we use foraging theory and patch-use technique to evaluate the response of tree squirrels (Sciurus niger) to patch ric...

وصف كامل

محفوظ في:
التفاصيل البيبلوغرافية
المؤلفون الرئيسيون: Andrew Alek, Tuen, Joel S., Brown
التنسيق: E-Article
منشور في: MABJ 1996
الموضوعات:
QL Zoology
الوصول للمادة أونلاين:http://ir.unimas.my/id/eprint/7054/
http://eurekamag.com/research/008/630/008630174.php
الوسوم: إضافة وسم
لا توجد وسوم, كن أول من يضع وسما على هذه التسجيلة!
id my.unimas.ir.7054
record_format eprints
spelling my.unimas.ir.70542017-03-06T08:34:53Z http://ir.unimas.my/id/eprint/7054/ Evaluating habitat suitability for tree squirrels in a suburban environment. Andrew Alek, Tuen Joel S., Brown QL Zoology Measuring an animal's use of food patches can reveal its perceptions of safety, food availability, and its own well-being in both disturbed and pristine habitats. In this paper we use foraging theory and patch-use technique to evaluate the response of tree squirrels (Sciurus niger) to patch richness, food quality and predation risk in a disturbed habitat in suburban Chicago. Giving up densities (GUDs) were measured in food patches containing 9, 18 and 27 gm of sunflower seeds to evaluate response to patch richness. Response to food quality was studied by measuring GUDs in patches containing seeds which had been treated with oxalate and tannins. Predation risk was varied by placing the food patch at the base and three meters away from the base of a tree. Tree squirrels responded to food abundance by biasing their foraging activity towards rich patches and equalized GUDs among food patches. Oxalate significantly reduced the value of the food resulting in higher GUDs compared to tannins. Microhabitat differences in GUDs indicated that foraging away from a tree posed a higher predation risk to squirrels than foraging near a tree. We conclude that appropriate and careful measurements of GUDs can reveal an animal's perception of habitat quality, food characteristics and predation risk. MABJ 1996 E-Article PeerReviewed Andrew Alek, Tuen and Joel S., Brown (1996) Evaluating habitat suitability for tree squirrels in a suburban environment. Malaysian Applied Biology, 25 (2). pp. 1-8. ISSN 0126-8643 http://eurekamag.com/research/008/630/008630174.php
institution Universiti Malaysia Sarawak
building Centre for Academic Information Services (CAIS)
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Sarawak
content_source UNIMAS Institutional Repository
url_provider http://ir.unimas.my/
topic QL Zoology
spellingShingle QL Zoology
Andrew Alek, Tuen
Joel S., Brown
Evaluating habitat suitability for tree squirrels in a suburban environment.
description Measuring an animal's use of food patches can reveal its perceptions of safety, food availability, and its own well-being in both disturbed and pristine habitats. In this paper we use foraging theory and patch-use technique to evaluate the response of tree squirrels (Sciurus niger) to patch richness, food quality and predation risk in a disturbed habitat in suburban Chicago. Giving up densities (GUDs) were measured in food patches containing 9, 18 and 27 gm of sunflower seeds to evaluate response to patch richness. Response to food quality was studied by measuring GUDs in patches containing seeds which had been treated with oxalate and tannins. Predation risk was varied by placing the food patch at the base and three meters away from the base of a tree. Tree squirrels responded to food abundance by biasing their foraging activity towards rich patches and equalized GUDs among food patches. Oxalate significantly reduced the value of the food resulting in higher GUDs compared to tannins. Microhabitat differences in GUDs indicated that foraging away from a tree posed a higher predation risk to squirrels than foraging near a tree. We conclude that appropriate and careful measurements of GUDs can reveal an animal's perception of habitat quality, food characteristics and predation risk.
format E-Article
author Andrew Alek, Tuen
Joel S., Brown
author_facet Andrew Alek, Tuen
Joel S., Brown
author_sort Andrew Alek, Tuen
title Evaluating habitat suitability for tree squirrels in a suburban environment.
title_short Evaluating habitat suitability for tree squirrels in a suburban environment.
title_full Evaluating habitat suitability for tree squirrels in a suburban environment.
title_fullStr Evaluating habitat suitability for tree squirrels in a suburban environment.
title_full_unstemmed Evaluating habitat suitability for tree squirrels in a suburban environment.
title_sort evaluating habitat suitability for tree squirrels in a suburban environment.
publisher MABJ
publishDate 1996
url http://ir.unimas.my/id/eprint/7054/
http://eurekamag.com/research/008/630/008630174.php
_version_ 1644510197888057344
score 13.251813

مواد مشابهة