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240123s2014 xx |||||o 00| ||eng c |
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|a (DE-627)JST139952705
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|a (JST)24035268
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Werenkraut, Victoria
|e verfasserin
|4 aut
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| 245 |
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|a The richness and abundance of epigaeic mountain beetles in north-western Patagonia, Argentina: assessment of patterns and environmental correlates
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|c 2014
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a Computermedien
|b c
|2 rdamedia
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|a Online-Ressource
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|a Aim Our aims were: (1) to study the shape of the species richness–elevation and abundance–elevation relationships (SRER and AER, respectively) in epigaeic mountain beetles; and (2) to analyse how richness and abundance of the beetles vary across the full gradient and within the forests and steppes in association with environmental variables representing productivity, thermal limitation, water–energy dynamics, environmental heterogeneity and soil characteristics. Location Five mountains at temperate latitudes in north-western Patagonia, Argentina. Methods We collected beetles using 486 pitfall traps arranged in fifty-four 100 m2 grid plots of nine traps, established at intervals of about 100 m of elevation from the base to the summit of each mountain. We used multi-model selection and the Akaike information criterion to find the best ecological explanation for species richness and abundance variation. Results The AER was hump-shaped in four mountains and negative in one; the SRER was negative in one case, humped in two cases, and either low-plateau or humped in the remaining two. Across the full gradient, the increase in vegetation cover, mainly associated with the presence of forests, predominately accounted for SRERs and AERs. In the forests, energy variables combined with precipitation, soil attributes and environmental heterogeneity accounted for richness and abundance. In the steppes, potential evapotranspiration and plant productivity were important. Main conclusions We confirmed different forms in the shape of SRERs, and the predominance of hump-shaped patterns in AERs. Vegetation type (forests versus steppes) accounted for most of the variation in species richness and abundance on all mountains. Associations with local environmental factors were rather more variable and changed with the spatial extent of analysis, thus confirming the spatial dependence of the species richness/abundance–environment relationships.
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|a Copyright © 2014 John Wiley & Sons Ltd.
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| 650 |
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4 |
|a Biological sciences
|x Ecology
|x Population ecology
|x Synecology
|x Biodiversity
|x Species diversity
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| 650 |
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4 |
|a Biological sciences
|x Biology
|x Zoology
|x Animals
|x Invertebrates
|x Arthropods
|x Insects
|x Beetles
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| 650 |
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|a Business
|x Business economics
|x Commercial production
|x Productivity
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| 650 |
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|a Biological sciences
|x Biogeography
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| 650 |
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4 |
|a Biological sciences
|x Ecology
|x Ecological zones
|x Ecoregions
|x Steppes
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| 650 |
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4 |
|a Biological sciences
|x Ecology
|x Animal ecology
|x Insect ecology
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| 650 |
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4 |
|a Biological sciences
|x Biology
|x Botany
|x Plant ecology
|x Forest ecology
|x Forest ecosystems
|x Forest litter
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| 650 |
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4 |
|a Physical sciences
|x Earth sciences
|x Geography
|x Geomorphology
|x Rocks
|x Gravel
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| 650 |
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4 |
|a Biological sciences
|x Ecology
|x Ecological modeling
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| 650 |
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4 |
|a Biological sciences
|x Ecology
|x Ecological zones
|x Ecoregions
|x Steppes
|x Forest steppes
|x Assessing patterns of diversity
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| 655 |
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|a research-article
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|a Ruggiero, Adriana
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of Biogeography. in
|d Blackwell Publishing
|g 41(2014), 3, Seite 561-573
|w (DE-627)JST045195129
|x 13652699
|7 nnns
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|g volume:41
|g year:2014
|g number:3
|g pages:561-573
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|u http://dx.doi.org/10.1111/jbi.12210
|3 Volltext
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|d 41
|j 2014
|e 3
|h 561-573
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