Arid
DOI10.1016/j.baae.2017.01.002
Non-trophic interactions in deserts: Facilitation, interference, and an endangered lizard species
Filazzola, Alessandro1; Westphal, Michael2; Powers, Michael2; Liczner, Amanda Rae1; Woollett, Deborah A. (Smith)3; Johnson, Brent4; Lortie, Christopher J.1
通讯作者Filazzola, Alessandro
来源期刊BASIC AND APPLIED ECOLOGY
ISSN1439-1791
EISSN1618-0089
出版年2017
卷号20页码:51-61
英文摘要

Research on plantanimal interactions has been focused on direct consumer interactions (i.e. plants as resources), but non-trophic interactions including providing shelter or interference with movement can also affect the fine-scale distribution of animals. In particular, non-trophic interactions that are positive could support threatened animal populations. Positive interactions have been used in the restoration of plant communities, but have not yet been extended to the management of animal habitat. In this study, we tested the hypothesis that non-trophic interactions influence the occurrence of an endangered lizard species in an arid shrub-annual system. At a location known to have a population of blunt-nosed leopard lizards (Gambelia sila), we geotagged 700 shrubs, measured shrub morphometric traits, collected biomass samples, and surveyed for lizard presence using scat detection dogs over two years. Relative to 2014, in 2013 plant productivity was high and lizard scats were found more frequently in areas with low invasive grass cover (i.e. residual dry matter, RDM). In 2014, plant productivity was low because of an extreme drought year, and lizard scats were more frequently observed under shrub canopies, particularly those with relatively dense cover. These findings support the novel theory that positive non-trophic interactions are a critical form of plantanimal interactions in addition to consumption. Dominant shrubs can act as a foundation species by functioning as a basal node in structuring both plant and animal communities through a network of interactions. Managing dominant plants, in addition to habitat, is therefore important for conserving animal species in arid ecosystems. (C) 2017 Gesellschaft fur Okologie. Published by Elsevier GmbH. All rights reserved.


英文关键词Gambelia sila Shrubs Facilitation Non-trophic interactions Lizard habitat Scat Scat detection dogs
类型Article
语种英语
国家Canada ; USA
收录类别SCI-E
WOS记录号WOS:000404560900006
WOS关键词NOSED LEOPARD LIZARDS ; BROME BROMUS-RUBENS ; BLUE-TONGUE LIZARD ; TILIQUA-ADELAIDENSIS ; BEHAVIORAL THERMOREGULATION ; MICROHABITAT USE ; DETECTION DOGS ; NORTH-AMERICA ; KANGAROO RATS ; HABITAT
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/2XILL650/197758
作者单位1.York Univ, Dept Biol, 4700 Keele St, Toronto, ON M3J 1P3, Canada;
2.Bur Land Management, Cent Coast Field Off, 940 2nd Ave, Marina, CA 93933 USA;
3.Working Dogs Conservat, POB 280, Bozeman, MT 59771 USA;
4.Pinnacles Natl Pk, Natl Pk Serv, 5000 Hwy 146, Paicines, CA 95043 USA
推荐引用方式
GB/T 7714
Filazzola, Alessandro,Westphal, Michael,Powers, Michael,et al. Non-trophic interactions in deserts: Facilitation, interference, and an endangered lizard species[J],2017,20:51-61.
APA Filazzola, Alessandro.,Westphal, Michael.,Powers, Michael.,Liczner, Amanda Rae.,Woollett, Deborah A. .,...&Lortie, Christopher J..(2017).Non-trophic interactions in deserts: Facilitation, interference, and an endangered lizard species.BASIC AND APPLIED ECOLOGY,20,51-61.
MLA Filazzola, Alessandro,et al."Non-trophic interactions in deserts: Facilitation, interference, and an endangered lizard species".BASIC AND APPLIED ECOLOGY 20(2017):51-61.
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