干旱区生态环境知识资源中心(Arid): Predation on desert tortoises (Gopherus agassizii) by desert canids

Arid

DOI	10.1016/j.jaridenv.2021.104476
	Predation on desert tortoises (Gopherus agassizii) by desert canids
	Kelly, Erica C.; Cypher, Brian L.; Westall, Tory L.
通讯作者	Kelly, EC (corresponding author), Calif State Univ Stanislaus, Endangered Species Recovery Program, POB 9622, Bakersfield, CA 93389 USA.
来源期刊	JOURNAL OF ARID ENVIRONMENTS
ISSN	0140-1963
EISSN	1095-922X
出版年	2021
卷号	189
英文摘要	Desert tortoises (Gopherus agassizii) are a long-lived reptile vulnerable to predation by many predators, including desert kit foxes (Vulpes macrotis arsipus) and coyotes (Canis latrans). From 2009 to 2014, we assessed canid food habits at a study site in the Mojave Desert in California, USA, by collecting and analyzing desert kit fox and coyote scats. These canids primarily consumed small mammals and invertebrates. Desert tortoise remains occurred at an overall low frequency (<3%), indicating the opportunistic use by these canids of desert tortoise as a prey or scavenged food item. When we analyzed the desert tortoise remains further, there was a significant difference between predator type and desert tortoise age class. Coyotes consumed more than twice as many adult than juvenile desert tortoises, while desert kit foxes only consumed juveniles. Desert kit foxes are a small canid, thus limited to smaller prey items (i.e., juvenile desert tortoises), while coyotes are larger and can optimize a wider size range.
英文关键词	Dietary analysis Canis latrans Mojave desert Prey availability Scat Vulpes macrotis arsipus
类型	Article
语种	英语
开放获取类型	hybrid
收录类别	SCI-E
WOS记录号	WOS:000644974900009
WOS关键词	MOJAVE DESERT ; POPULATIONS
WOS类目	Ecology ; Environmental Sciences
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/2XILL650/350698
作者单位	[Kelly, Erica C.; Cypher, Brian L.; Westall, Tory L.] Calif State Univ Stanislaus, Endangered Species Recovery Program, POB 9622, Bakersfield, CA 93389 USA
推荐引用方式 GB/T 7714	Kelly, Erica C.,Cypher, Brian L.,Westall, Tory L.. Predation on desert tortoises (Gopherus agassizii) by desert canids[J],2021,189.
APA	Kelly, Erica C.,Cypher, Brian L.,&Westall, Tory L..(2021).Predation on desert tortoises (Gopherus agassizii) by desert canids.JOURNAL OF ARID ENVIRONMENTS,189.
MLA	Kelly, Erica C.,et al."Predation on desert tortoises (Gopherus agassizii) by desert canids".JOURNAL OF ARID ENVIRONMENTS 189(2021).