Humid grassland fallows promote spider diversity in a traditionally managed landscape

Agricultural intensification is an important driver of biodiversity decline. Regarding grassland ecosystems, traditionally managed hay meadows, as opposed to highly productive silage grassland, are often of high conservation value. Here, we compare spider assemblages among five grassland management...

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Main Authors: Tobias Frenzel, Tamara Rischen, Klaus Fischer
Format: Article
Language:English
Published: Elsevier 2022-09-01
Series:Basic and Applied Ecology
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S1439179122000469
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author Tobias Frenzel
Tamara Rischen
Klaus Fischer
author_facet Tobias Frenzel
Tamara Rischen
Klaus Fischer
author_sort Tobias Frenzel
collection DOAJ
description Agricultural intensification is an important driver of biodiversity decline. Regarding grassland ecosystems, traditionally managed hay meadows, as opposed to highly productive silage grassland, are often of high conservation value. Here, we compare spider assemblages among five grassland management regimes along an intensification gradient, ranging from long-term fallows (not farmed for ≥ 30 years) via traditionally managed hay meadows to high-intensity silage grassland. Humid long-term fallows harboured highest species richness and diversity, and their assemblages differed strongly from other management regimes. There was surprisingly little variation though among different types of hay meadows and silage grassland. We also included environmental parameters and land-cover types in the surroundings of study sites, indicating that spider assemblages were most strongly shaped by fallow-related parameters and the proportion of forests. The high spider diversity on fallows may result from their undisturbed vegetation structure, while management, regardless of frequency, may have detrimental effects. Our results demonstrate the high importance of unmanaged areas even in regions with an overall low land-use intensity, such as grassland ecosystems. We thus recommend the inclusion of temporal grassland fallows (unmanaged for 3-5 years) in agri-environmental schemes to increase landscape heterogeneity and preserve spider diversity.
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spelling doaj.art-d4dbbb87385b4e18b14ad37c8fb0b8ba2023-08-04T05:46:32ZengElsevierBasic and Applied Ecology1439-17912022-09-01635970Humid grassland fallows promote spider diversity in a traditionally managed landscapeTobias Frenzel0Tamara Rischen1Klaus Fischer2Corresponding author.; Department of Zoology, Institute for Integrated Natural Sciences, University of Koblenz-Landau, Universitätsstraße 1, Koblenz D-56070, GermanyDepartment of Zoology, Institute for Integrated Natural Sciences, University of Koblenz-Landau, Universitätsstraße 1, Koblenz D-56070, GermanyDepartment of Zoology, Institute for Integrated Natural Sciences, University of Koblenz-Landau, Universitätsstraße 1, Koblenz D-56070, GermanyAgricultural intensification is an important driver of biodiversity decline. Regarding grassland ecosystems, traditionally managed hay meadows, as opposed to highly productive silage grassland, are often of high conservation value. Here, we compare spider assemblages among five grassland management regimes along an intensification gradient, ranging from long-term fallows (not farmed for ≥ 30 years) via traditionally managed hay meadows to high-intensity silage grassland. Humid long-term fallows harboured highest species richness and diversity, and their assemblages differed strongly from other management regimes. There was surprisingly little variation though among different types of hay meadows and silage grassland. We also included environmental parameters and land-cover types in the surroundings of study sites, indicating that spider assemblages were most strongly shaped by fallow-related parameters and the proportion of forests. The high spider diversity on fallows may result from their undisturbed vegetation structure, while management, regardless of frequency, may have detrimental effects. Our results demonstrate the high importance of unmanaged areas even in regions with an overall low land-use intensity, such as grassland ecosystems. We thus recommend the inclusion of temporal grassland fallows (unmanaged for 3-5 years) in agri-environmental schemes to increase landscape heterogeneity and preserve spider diversity.http://www.sciencedirect.com/science/article/pii/S1439179122000469ArachnidaAbandoned grasslandAgricultural intensificationBiodiversity lossLand-use intensityLandscape heterogeneity
spellingShingle Tobias Frenzel
Tamara Rischen
Klaus Fischer
Humid grassland fallows promote spider diversity in a traditionally managed landscape
Basic and Applied Ecology
Arachnida
Abandoned grassland
Agricultural intensification
Biodiversity loss
Land-use intensity
Landscape heterogeneity
title Humid grassland fallows promote spider diversity in a traditionally managed landscape
title_full Humid grassland fallows promote spider diversity in a traditionally managed landscape
title_fullStr Humid grassland fallows promote spider diversity in a traditionally managed landscape
title_full_unstemmed Humid grassland fallows promote spider diversity in a traditionally managed landscape
title_short Humid grassland fallows promote spider diversity in a traditionally managed landscape
title_sort humid grassland fallows promote spider diversity in a traditionally managed landscape
topic Arachnida
Abandoned grassland
Agricultural intensification
Biodiversity loss
Land-use intensity
Landscape heterogeneity
url http://www.sciencedirect.com/science/article/pii/S1439179122000469
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