Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1016/j.jaridenv.2009.06.017 |
Habitat selection by two sympatric rodent species in the Monte desert, Argentina. First data for Eligmodontia moreni and Octomys mimax | |
Traba, J.1; Acebes, P.1; Campos, V. E.2; Giannoni, S. M.3 | |
通讯作者 | Traba, J. |
来源期刊 | JOURNAL OF ARID ENVIRONMENTS
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ISSN | 0140-1963 |
出版年 | 2010 |
卷号 | 74期号:2页码:179-185 |
英文摘要 | Habitat selection in deserts is mainly modulated by the availability of resources. The basic hypotheses regarding coexistence of species in arid environments offer two possibilities: 1) coexisting species partition available resources (each species acting as a specialist) and 2) generalists coexist with specialists because the former use habitats which are underused or not selected by the latter. This study presents the first data on macro- and microhabitat selection by Eligmodontia moreni (Cricetidae) and Octomys mimax (Octodontidae), two rodent species which coexist in the most and part of the Monte desert of Argentina. In order to evaluate both hypotheses, animals were trapped during two seasons (humid and dry) in six macrohabitats of the and Monte (creosote bush scrub, mesquite woodlands, columnar cactus slopes, barrens, chical and saltbush). A multivariate analysis of variance was used to evaluate differences in PCA components of microhabitat (floristic composition and vegetation structure) among capture and control points. The resulting models suggest E moreni to be described as a fine-grained generalist species, which would be segregated from the specialist O. mimax in shared macrohabitats by resource partitioning, basically related to substrate type and vegetation cover. Our findings accord with theories of community assembly involving generalist and specialist species. (C) 2009 Elsevier Ltd. All rights reserved. |
英文关键词 | Eligmodontia moreni Niche breadth Niche overlap Octomys mimax Plant composition Vegetation structure |
类型 | Article |
语种 | 英语 |
国家 | Spain ; Argentina |
收录类别 | SCI-E |
WOS记录号 | WOS:000273250000003 |
WOS关键词 | SMALL MAMMALS ; INTERSPECIFIC COMPETITION ; MICROHABITAT SELECTION ; TYMPANOCTOMYS-BARRERAE ; SPATIAL SCALES ; COEXISTENCE ; ORGANIZATION ; PATTERNS ; BIOME |
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/2XILL650/164865 |
作者单位 | 1.Univ Autonoma Madrid, Grp Ecol & Conservac Sistemas Terr TEC, Dept Ecol, E-28049 Madrid, Spain; 2.Consejo Nacl Invest Cient & Tecn, Grp Invest Biodiversidad, IADIZA, CRICYT, Mendoza, Argentina; 3.Univ Nacl San Juan, Museo Ciencias Nat, San Juan, Argentina |
推荐引用方式 GB/T 7714 | Traba, J.,Acebes, P.,Campos, V. E.,et al. Habitat selection by two sympatric rodent species in the Monte desert, Argentina. First data for Eligmodontia moreni and Octomys mimax[J],2010,74(2):179-185. |
APA | Traba, J.,Acebes, P.,Campos, V. E.,&Giannoni, S. M..(2010).Habitat selection by two sympatric rodent species in the Monte desert, Argentina. First data for Eligmodontia moreni and Octomys mimax.JOURNAL OF ARID ENVIRONMENTS,74(2),179-185. |
MLA | Traba, J.,et al."Habitat selection by two sympatric rodent species in the Monte desert, Argentina. First data for Eligmodontia moreni and Octomys mimax".JOURNAL OF ARID ENVIRONMENTS 74.2(2010):179-185. |
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