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240126s2024 xx |||||o 00| ||eng c |
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|a 10.1111/gcb.17094
|2 doi
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|a pubmed24n1274.xml
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|a (NLM)38273479
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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 Neijnens, Floris K
|e verfasserin
|4 aut
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|a Effects of nutrient enrichment on freshwater macrophyte and invertebrate abundance
|b A meta-analysis
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 29.01.2024
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|a Date Revised 29.01.2024
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|a published: Print
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|a Citation Status MEDLINE
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|a © 2023 The Authors. Global Change Biology published by John Wiley & Sons Ltd.
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|a External nutrient loading can cause large changes in freshwater ecosystems. Many local field and laboratory experiments have investigated ecological responses to nutrient addition. However, these findings are difficult to generalize, as the responses observed may depend on the local context and the resulting nutrient concentrations in the receiving water bodies. In this research, we combined and analysed data from 131 experimental studies containing 3054 treatment-control abundance ratios to assess the responses of freshwater taxa along a gradient of elevated nutrient concentrations. We carried out a systematic literature search in order to identify studies that report the abundance of invertebrate, macrophyte, and fish taxa in relation to the addition of nitrogen, phosphorus, or both. Next, we established mixed-effect meta-regression models to relate the biotic responses to the concentration gradients of both nutrients. We quantified the responses based on various abundance-based metrics. We found no responses to the mere addition of nutrients, apart from an overall increase of total invertebrate abundance. However, when we considered the gradients of N and P enrichment, we found responses to both nutrients for all abundance metrics. Abundance tended to increase at low levels of N enrichment, yet decreased at the high end of the concentration gradient (1-10 mg/L, depending on the P concentration). Responses to increasing P concentrations were mostly positive. For fish, we found too few data to perform a meaningful analysis. The results of our research highlight the need to consider the level of nutrient enrichment rather than the mere addition of nutrients in order to better understand broad-scale responses of freshwater biota to eutrophication, as a key step to identify effective conservation strategies for freshwater ecosystems
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|a Meta-Analysis
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|a Journal Article
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|a biomass
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|a eutrophication
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|a freshwater ecosystems
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| 650 |
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|a invertebrates
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| 650 |
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|a macrophytes
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| 650 |
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|a nitrogen
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| 650 |
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|a phosphorus
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| 650 |
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|a Phosphorus
|2 NLM
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| 650 |
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|a 27YLU75U4W
|2 NLM
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| 650 |
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|a Nitrogen
|2 NLM
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| 650 |
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|a N762921K75
|2 NLM
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| 700 |
1 |
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|a Moreira, Hadassa
|e verfasserin
|4 aut
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| 700 |
1 |
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|a de Jonge, Melinda M J
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Linssen, Bart B H P
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Huijbregts, Mark A J
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Geerling, Gertjan W
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Schipper, Aafke M
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Global change biology
|d 1999
|g 30(2024), 1 vom: 04. Jan., Seite e17094
|w (DE-627)NLM098239996
|x 1365-2486
|7 nnns
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| 773 |
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|g volume:30
|g year:2024
|g number:1
|g day:04
|g month:01
|g pages:e17094
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| 856 |
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|u http://dx.doi.org/10.1111/gcb.17094
|3 Volltext
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