Arid
DOI10.1111/j.1744-7429.2007.00294.x
Microhabitat selection in diet and trophic ecology of a spiny-tailed iguana Ctenosaura hemilopha
Blazquez, Ma Carmen; Rodriguez-Estrella, Ricardo
通讯作者Blazquez, Ma Carmen
来源期刊BIOTROPICA
ISSN0006-3606
EISSN1744-7429
出版年2007
卷号39期号:4页码:496-501
英文摘要

Annual variation in the diet of adult spiny-tailed iguanas was studied by analyzing feces collected at 38 known iguana refuges in the desert of the southern Baja California peninsula. Iguanas consumed mostly plants, a small percentage of arthropods, their own skin, and remains from conspecifics. They consumed at least 22 of 83 plant species known to be present in the area. Leaves of three perennial Leguminosae species formed the year-round basis of their diet. Iguanas ate flowers and fruit when available. We propose that iguanas could be efficient seed dispersers for Cactaceae, but that they crush many of the seeds of leafy tree species. No significant differences in food consumption pattern were found between dry and rainy seasons. Iguanas apparently moved to neighboring trees only when searching for food. We propose that predation risk could have more influence than the nutritional value of plants on the species’ foraging behavior and microhabitat selection in this area.


英文关键词Baja California desert food availability predation risk reptile seed dispersal
类型Article
语种英语
国家Mexico
收录类别SCI-E
WOS记录号WOS:000247779400008
WOS关键词BAJA-CALIFORNIA-SUR ; HERBIVOROUS LIZARD ; PREDATION RISK ; FOOD-HABITS ; CHOICE ; EVOLUTION ; RESPONSES ; QUALITY
WOS类目Ecology
WOS研究方向Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/153697
作者单位(1)Ctr Invest Biol Noroeste, Dept Environm Planning & Conservat Biol, La Paz 23090, Mexico
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Blazquez, Ma Carmen,Rodriguez-Estrella, Ricardo. Microhabitat selection in diet and trophic ecology of a spiny-tailed iguana Ctenosaura hemilopha[J],2007,39(4):496-501.
APA Blazquez, Ma Carmen,&Rodriguez-Estrella, Ricardo.(2007).Microhabitat selection in diet and trophic ecology of a spiny-tailed iguana Ctenosaura hemilopha.BIOTROPICA,39(4),496-501.
MLA Blazquez, Ma Carmen,et al."Microhabitat selection in diet and trophic ecology of a spiny-tailed iguana Ctenosaura hemilopha".BIOTROPICA 39.4(2007):496-501.
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