caa a22 4500 44589413X CHVBK 20180317145626.0 cr unu---uuuuu 170323e20111201xx s 000 0 eng 10.1007/s10750-011-0836-8 doi (NATIONALLICENCE)springer-10.1007/s10750-011-0836-8 The role of land use, nutrients, and other stressors in shaping benthic invertebrate assemblages in Slovenian rivers [Elektronische Daten] [Maja Pavlin, Sebastian Birk, Daniel Hering, Gorazd Urbanič] Studying human impacts on riverine systems is challenging due to the natural diversity and multiple stressors that are co-occurring. The term stressor(s) refers to variable(s) of anthropogenic landscape changes and local abiotic stream conditions that reflect human activities. We compared the effects of different stressors and natural (typology) factors on benthic invertebrate assemblages in Slovenian rivers. A total of 270 river sites located in four European ecoregions were sampled, covering the gradient of human perturbation ranging from (near)natural to highly degraded/polluted. Stressors commonly affecting running waters were grouped into management-relevant stressor-groups: land use (percentage of urban, intensive and non-intensive agricultural, and natural land use in the catchment and sub-catchment), eutrophication (in-stream concentrations of phosphorus and nitrogen compounds) and other stressors (e.g., organic pollution, hydromorphological alteration). We compared the effects of the stressor-groups on invertebrate assemblages using partial Canonical Correspondence Analysis and tested the explanatory power of each stressor-group using typology variables as covariates. Stressors and typology variables showed high independent effects (40-65%) on invertebrate assemblages despite considerable joint effects from land use and typology. Stressors' pure effects accounted for 70%, and interactions among the stressor-groups made up the remaining 30% of the total explained variability. Altogether, this study gives a good perspective on the ability to separate the effects of anthropogenic stressors from natural causes, as well as to separate effects among groups of stressors. Against this background, we advocate stressor-specific analyses to provide or improve guidelines for selecting appropriate measures to enhance the river status. Springer Science+Business Media B.V., 2011 Benthic invertebrates nationallicence Variance partitioning nationallicence Multiple stressors nationallicence Organic pollution nationallicence Eutrophication nationallicence Land use nationallicence Pavlin Maja Institute for Water of the Republic of Slovenia, 1000, Ljubljana, Slovenia aut Birk Sebastian Department of Applied Zoology/Hydrobiology, University of Duisburg-Essen, 45117, Essen, Germany aut Hering Daniel Department of Applied Zoology/Hydrobiology, University of Duisburg-Essen, 45117, Essen, Germany aut Urbanič Gorazd Institute for Water of the Republic of Slovenia, 1000, Ljubljana, Slovenia aut Hydrobiologia Springer Netherlands 678/1(2011-12-01), 137-153 0018-8158 678:1<137 2011 678 10750 https://doi.org/10.1007/s10750-011-0836-8 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10750-011-0836-8 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Pavlin Maja Institute for Water of the Republic of Slovenia, 1000, Ljubljana, Slovenia aut NATIONALLICENCE 700 1- Birk Sebastian Department of Applied Zoology/Hydrobiology, University of Duisburg-Essen, 45117, Essen, Germany aut NATIONALLICENCE 700 1- Hering Daniel Department of Applied Zoology/Hydrobiology, University of Duisburg-Essen, 45117, Essen, Germany aut NATIONALLICENCE 700 1- Urbanič Gorazd Institute for Water of the Republic of Slovenia, 1000, Ljubljana, Slovenia aut NATIONALLICENCE 773 0- Hydrobiologia Springer Netherlands 678/1(2011-12-01), 137-153 0018-8158 678:1<137 2011 678 10750 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer