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Stream ecosystem fu...
Stream ecosystem functioning in an agricultural landscape : the importance of terrestrial-aquatic linkages
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- Hladyz, Sally (author)
- University College Cork
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- Åbjörnsson, Kajsa (author)
- Lund University,Lunds universitet,Enhet akvatisk ekologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Division aquatic ecology,Department of Biology,Faculty of Science,University College Cork
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- Chauvet, Eric (author)
- Université Paul Sabatier Toulouse III
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- Dobson, Michael (author)
- Manchester Metropolitan University
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- Elosegi, Arturo (author)
- University of the Basque Country
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- Ferreira, Verónica (author)
- University of Coimbra
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- Fleituch, Tadeusz (author)
- Polish Academy of Sciences
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- Gessner, Mark O. (author)
- Swiss Federal Institute of Aquatic Science and Technology, Kastanienbaum,Swiss Federal Institute of Aquatic Science and Technology, Kastanienbaum,Swiss Federal Institute of Aquatic Science and Technology, Kastanienbaum,Swiss Federal Institute of Aquatic Science and Technology, Kastanienbaum
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- Giller, Paul S. (author)
- University College Cork
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- Gulis, Vladislav (author)
- University of Coimbra
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- Hutton, Stephen. A. (author)
- University College Cork
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- Lacoursière, Jean O. (author)
- Akvatisk biologi och kemi
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- Lamothe, Sylvain (author)
- Université Paul Sabatier Toulouse III
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- Lecerf, Antoine (author)
- Université Paul Sabatier Toulouse III
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- Malmqvist, Björn (author)
- Umeå universitet,Institutionen för ekologi, miljö och geovetenskap
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- McKie, Brendan G. (author)
- Umeå universitet,Institutionen för ekologi, miljö och geovetenskap
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- Nistorescu, Marius (author)
- University of Bucharest
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- Preda, Elena (author)
- University of Bucharest
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- Riipinen, Miira P. (author)
- Manchester Metropolitan University
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- Risnoveanu, Geta (author)
- University of Bucharest
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- Schindler, Markus (author)
- Swiss Federal Institute of Aquatic Science and Technology, Kastanienbaum,Swiss Federal Institute of Aquatic Science and Technology, Kastanienbaum,Swiss Federal Institute of Aquatic Science and Technology, Kastanienbaum,Swiss Federal Institute of Aquatic Science and Technology, Kastanienbaum
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- Tiegs, Scott D. (author)
- Swiss Federal Institute of Aquatic Science and Technology, Kastanienbaum,Swiss Federal Institute of Aquatic Science and Technology, Kastanienbaum,Swiss Federal Institute of Aquatic Science and Technology, Kastanienbaum,Swiss Federal Institute of Aquatic Science and Technology, Kastanienbaum
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- Vought, Lena B. M. (author)
- Akvatisk biologi och kemi
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- Woodward, Guy (author)
- University College Cork
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Woodward, Guy (creator_code:editor_t)
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(creator_code:org_t)
- ISBN 9780123747945
- San Diego : Academic Press, 2011
- 2011
- English 65
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In: Ecosystems in a human-modified landscape. - San Diego : Academic Press. - 9780123747945 ; 44, s. 211-276
- Related links:
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http://dx.doi.org/10...
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https://doi.org/10.1...
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Abstract
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- The loss of native riparian vegetation and its replacement with non-native species or grazing land for agriculture is a worldwide phenomenon, but one that is prevalent in Europe, reflecting the heavily-modified nature of the continent's landscape. The consequences of these riparian alterations for freshwater ecosystems remain largely unknown, largely because bioassessment has traditionally focused on the impacts of organic pollution on community structure. We addressed the need for a broader perspective, which encompasses changes at the catchment scale, by comparing ecosystem processes in woodland reference sites with those with altered riparian zones. We assessed a range of riparian modifications, including clearance for pasture and replacement of woodland with a range of low diversity plantations, in 100 streams to obtain a continental-scale perspective of the major types of alterations across Europe. Subsequently, we focused on pasture streams, as an especially prevalent widespread riparian alteration, by characterising their structural (e.g. invertebrate and fish communities) and functional (e.g. litter decomposition, algal production, herbivory) attributes in a country (Ireland) dominated by this type of landscape modification, via field and laboratory experiments. We found that microbes became increasingly important as agents of decomposition relative to macrofauna (invertebrates) in impacted sites in general and in pasture streams in particular. Resource quality of grass litter (e.g., carbon : nutrient ratios, lignin and cellulose content) was a key driver of decomposition rates in pasture streams. These systems also relied more heavily on autochthonous algal production than was the case in woodland streams, which were more detrital based. These findings suggest that these pasture streams might be fundamentally different from their native, ancestral woodland state, with a shift towards greater reliance on autochthonous-based processes. This could have a destabilizing effect on the dynamics of the food web relative to the slower, detrital-based pathways that dominate in woodland streams.
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Subject headings
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
Publication and Content Type
- pop (subject category)
- kap (subject category)
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- By the author/editor
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Hladyz, Sally
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Åbjörnsson, Kajs ...
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Chauvet, Eric
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Dobson, Michael
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Elosegi, Arturo
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Ferreira, Veróni ...
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show more...
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Fleituch, Tadeus ...
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Gessner, Mark O.
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Giller, Paul S.
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Gulis, Vladislav
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Hutton, Stephen. ...
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Lacoursière, Jea ...
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Lamothe, Sylvain
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Lecerf, Antoine
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Malmqvist, Björn
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McKie, Brendan G ...
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Nistorescu, Mari ...
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Preda, Elena
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Riipinen, Miira ...
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Risnoveanu, Geta
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Schindler, Marku ...
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Tiegs, Scott D.
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Vought, Lena B. ...
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Woodward, Guy
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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and Ecology
- Articles in the publication
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Ecosystems in a ...
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Advances in Ecol ...
- By the university
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Kristianstad University College
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Lund University
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Umeå University