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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1111/gcb.16462
|2 doi
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|a pubmed24n1156.xml
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|a (DE-627)NLM346939526
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|a (NLM)36178427
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Ohler, Katharina
|e verfasserin
|4 aut
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| 245 |
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|a Land use changes biomass and temporal patterns of insect cross-ecosystem flows
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 07.12.2022
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|a Date Revised 12.08.2023
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|a published: Print-Electronic
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|a ErratumIn: Glob Chang Biol. 2023 Oct;29(19):5737-5740. - PMID 37571870
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|a Citation Status MEDLINE
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|a © 2022 The Authors. Global Change Biology published by John Wiley & Sons Ltd.
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|a Emergent aquatic insects constitute an important food source for higher trophic levels, linking aquatic to terrestrial ecosystems. Little is known about how land use affects the biomass or composition of insect emergence. Previous studies are limited to individual time points or seasons, hampering understanding of annual biomass export patterns and detection of phenological changes. Over 1 year's primary emergence period, we continuously determined the biomass, abundance, and identity of >45,000 aquatic insects and recorded land-use-related environmental variables in 20 stream sites using a paired design with upstream forested sites and downstream agricultural sites. Total insect biomass and abundance were 2-7 mg day-1 m-2 and 7-36 ind day-1 m-2 higher in agricultural than forested sites. However, we found turnover of families between forested and agricultural sites, with more insects with shorter generation time in agriculture, indicating lower sensitivity to land-use-related stress because of higher recovery potential. Except for stoneflies, biomass and abundance of major orders were higher in agriculture, but their phenology differed. For different orders, emergence peaked 30 days earlier to 51 days later in agriculture than forest, whereas total abundance and biomass both peaked earlier in agriculture: 3-5 and 3-19 days, respectively. The most important land-use-related drivers were pesticide toxicity and electrical conductivity, which were differentially associated with different aquatic insect order abundances and biomass. Overall, we found that land use was related to changes in composition and phenology of aquatic insect emergence, which is likely to affect food-web dynamics in a cross-ecosystem context
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|a Journal Article
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|a abundance
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| 650 |
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|a aquatic insects
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| 650 |
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4 |
|a biomass
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| 650 |
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4 |
|a land use
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| 650 |
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|a phenology
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| 650 |
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4 |
|a turnover
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| 700 |
1 |
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|a Schreiner, Verena C
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Link, Moritz
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liess, Matthias
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Schäfer, Ralf B
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Global change biology
|d 1999
|g 29(2023), 1 vom: 12. Jan., Seite 81-96
|w (DE-627)NLM098239996
|x 1365-2486
|7 nnns
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| 773 |
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|g volume:29
|g year:2023
|g number:1
|g day:12
|g month:01
|g pages:81-96
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|u http://dx.doi.org/10.1111/gcb.16462
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