干旱区生态环境知识资源中心(Arid): Ecological stoichiometry of the black widow spider and its prey from desert, urban and laboratory populations

Arid

DOI	10.1016/j.jaridenv.2018.12.002
	Ecological stoichiometry of the black widow spider and its prey from desert, urban and laboratory populations
	Trubl, Patricia 1; Johnson, J. Chadwick 2
通讯作者	Trubl, Patricia
来源期刊	JOURNAL OF ARID ENVIRONMENTS
ISSN	0140-1963
EISSN	1095-922X
出版年	2019
卷号	163 页码:18-25
英文摘要	Ecological stoichiometry (ES) offers a framework to identify the mechanisms that allow pest species to thrive following human-induced rapid environmental change (HIREC). Specifically, ES links the biochemical composition of an organism to their growth and reproduction, which influences population growth and ecosystem dynamics. We used ES to quantify the nutrient composition (C: N, C: P, and N: P) of the western black widow spider (Latrodectus hesperus) and its prey (from desert and urban) and laboratory populations. Urban field spider and cricket subpopulations exhibited spatial variation in their C: N ratios. Urban field spider C: N, C: P, and N: P ratios were significantly different from urban crickets, but in the laboratory population, spiders and cricket C: N, C: P, and N: P ratios did not vary. Relative to urban spiders, desert spiders had lower C: P and N: P, but C: N did not differ. In the laboratory population, spiders had higher C: N, C: P, N: P ratios than field-caught spiders. Moreover, cannibalism by laboratory-reared spiders lowered C: P and N: P ratios, but not C: N ratios. We suggest such intraspecific variation may be one mechanism that allows urban pests to thrive following HIREC.
英文关键词	Urbanization Spatial variation Carbon Nitrogen Phosphorus
类型	Article
语种	英语
国家	USA
收录类别	SCI-E ; SSCI
WOS记录号	WOS:000459236300003
WOS关键词	PHOSPHORUS LIMITATION ; NITROGEN ; URBANIZATION ; BIODIVERSITY ; COMMUNITIES ; COMPETITION ; MECHANISMS ; DIVERSITY ; PREDATOR ; INSECTS
WOS类目	Ecology ; Environmental Sciences
WOS研究方向	Environmental Sciences & Ecology
来源机构	Arizona State University
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/216724
作者单位	1.Arizona State Univ, Sch Life Sci, POB 874501, Tempe, AZ 85287 USA; 2.Arizona State Univ, Sch Math & Nat Sci 2352, West Campus,4701 W Thunderbird Rd, Glendale, AZ 85306 USA
推荐引用方式 GB/T 7714	Trubl, Patricia,Johnson, J. Chadwick. Ecological stoichiometry of the black widow spider and its prey from desert, urban and laboratory populations[J]. Arizona State University,2019,163:18-25.
APA	Trubl, Patricia,&Johnson, J. Chadwick.(2019).Ecological stoichiometry of the black widow spider and its prey from desert, urban and laboratory populations.JOURNAL OF ARID ENVIRONMENTS,163,18-25.
MLA	Trubl, Patricia,et al."Ecological stoichiometry of the black widow spider and its prey from desert, urban and laboratory populations".JOURNAL OF ARID ENVIRONMENTS 163(2019):18-25.