Arid
DOI10.1007/s10530-018-1678-3
Functional distance and establishment of non-native species with complex life cycles
Schalk, Christopher M.1,2; Montana, Carmen G.1; Kralman, Kelsey1; Leavitt, Daniel J.3
通讯作者Schalk, Christopher M.
来源期刊BIOLOGICAL INVASIONS
ISSN1387-3547
EISSN1573-1464
出版年2018
卷号20期号:8页码:1945-1952
英文摘要

More than 80% of animals have complex life cycles and undergo distinct changes in ecology and morphology during development. The strength and type of factors regulating each life-stage may differ as an organism may occupy different niches during ontogeny. We examined the functional distance at larval and adult life-stages of two non-native anurans (Green Tree Frog [Hyla cinerea] and Bullfrog [Lithobates catesbeianus]) that have established in a Chihuahuan Desert anuran assemblage in Big Bend National Park. Both life stages of both non-native species occupied niche space outside of the native assemblage. At the larval stage, the ability of the tadpoles to utilize permanent aquatic habitats and coexist with predatory fishes differentiated the non-native species from the majority of the native species that are restricted to temporary pools. At the post-metamorphic life stage, each species appears to have established by exploiting unoccupied habitat and trophic niches in the recipient community. The arboreal habits of H. cinerea may enable it to utilize resources in microhabitats that are otherwise not used by native species because arboreal frogs are absent from this native assemblage. The large body size of post-metamorphic L. catesbeianus may enable it to utilize larger food resources that are otherwise unavailable to the smaller-bodied natives. Separate comparison of larval and adult functional traits between non-natives and the native community may help predict their potential establishment or invasion success as well as aid in the development of stage-specific control or eradication efforts.


英文关键词Amphibians Larva Life history Morphospace Functional traits Ontogenetic niche shift
类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000437242900003
WOS关键词FOOD-WEB ; MECHANISMS ; PREDATION ; PLASTICITY ; BULLFROGS ; DIVERSITY ; FROGS
WOS类目Biodiversity Conservation ; Ecology
WOS研究方向Biodiversity & Conservation ; Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/208101
作者单位1.Sam Houston State Univ, Dept Biol Sci, Huntsville, TX 77341 USA;
2.Stephen F Austin State Univ, Arthur Temple Coll Forestry & Agr, Nacogdoches, TX 75962 USA;
3.Arizona Game & Fish Dept, Phoenix, AZ 85086 USA
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GB/T 7714
Schalk, Christopher M.,Montana, Carmen G.,Kralman, Kelsey,et al. Functional distance and establishment of non-native species with complex life cycles[J],2018,20(8):1945-1952.
APA Schalk, Christopher M.,Montana, Carmen G.,Kralman, Kelsey,&Leavitt, Daniel J..(2018).Functional distance and establishment of non-native species with complex life cycles.BIOLOGICAL INVASIONS,20(8),1945-1952.
MLA Schalk, Christopher M.,et al."Functional distance and establishment of non-native species with complex life cycles".BIOLOGICAL INVASIONS 20.8(2018):1945-1952.
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