Knowing the way home: strong philopatry of a highly mobile insect species, Brenthis ino
Knowing the way home: strong philopatry of a highly mobile insect species, Brenthis ino
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知道回家的路:高度流动的昆虫物种布伦西斯·伊诺(Brenthis ino)的强大亲缘关系
DOI:
10.1007/s10841-013-9601-9
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发表时间:
2013
影响因子:
1.9
通讯作者:
Schmitt
中科院分区:
文献类型:
--
作者:
Schmitt
Mobility is crucial for the maintenance of viable metapopulations, but quantitative data to evaluate risks due to insufficient individual mobility of focal insect species are mostly lacking. We selected the butterflyBrenthis ino, a species typically confined to wet fallow grasslands in Central Europe and performed a mark–release–recapture study in a 3.2 ha study area with one big and one small patch of suitable habitat from 22 June to 23 July 2010. The position of each butterfly capture was measured with a GPS and transferred into a GIS. In total, we marked 984 individuals in 1,545 capture events and estimated that the cumulative population size was 2,400 individuals. The initial increase of adult males proceeded much faster than for females, similar to the protandrous population build-up known from other butterflies. Moved distances for both sexes usually did not exceed 80 m, and about 40 % of all individuals used less than 2 % of the available suitable habitat. All individuals switching to the other patch returned later to their patch of origin, confirming thatB. inois highly philopatric. We conclude that low effective mobility inB. inoproduces much smaller home ranges than suggested by merely observing flight activities in the field, and that low tendencies towards long-distance movements significantly hamper the maintenance of metapopulations when patch density decreases due to landscape fragmentation.
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DOI:
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发表时间:
2000
期刊:
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作者:
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2005
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1997
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2002
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DOI:
--
发表时间:
1999
影响因子:
11.1
作者:
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