Environmental DNA supports importance of heterogeneous pond landscapes for arthropod diversity conservation

Abstract Freshwater ponds host diverse arthropod communities, but conservation frameworks are scarce. Heterogeneous pond mosaics of various sizes and successional stages can develop during raw material extraction in mining sites, acting as refugia for a variety of species. Here, we investigate arthr...

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Main Authors: Vera Zizka, Katharina Schwesig, Nele Engel, Norbert Hölzel, Christoph Scherber
Format: Article
Language:English
Published: Wiley 2025-02-01
Series:Ecosphere
Subjects:
Online Access:https://doi.org/10.1002/ecs2.70171
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author Vera Zizka
Katharina Schwesig
Nele Engel
Norbert Hölzel
Christoph Scherber
author_facet Vera Zizka
Katharina Schwesig
Nele Engel
Norbert Hölzel
Christoph Scherber
author_sort Vera Zizka
collection DOAJ
description Abstract Freshwater ponds host diverse arthropod communities, but conservation frameworks are scarce. Heterogeneous pond mosaics of various sizes and successional stages can develop during raw material extraction in mining sites, acting as refugia for a variety of species. Here, we investigate arthropod diversity and conservation status across lakes and ponds in mining sites; analyze how water body size, age, and vegetation cover affect diversity patterns; and discuss how results can contribute to management actions and conservation schemes. Using environmental DNA metabarcoding, we determine arthropod diversity at 55 pond and lake plots located in active mining sites in Germany. We assess the effect of structural parameters on arthropod species richness, beta diversity, and the occurrence of rare and endangered species. Overall, we detected 436 arthropod species, many of which lacking a threat status evaluation, potentially hampering analyses of conservation aspects. We identify different effects of structural variables on species richness and beta diversity, and variable responses at the order level. Further, results reveal comparable diversity of accumulated pond network area, compared with single large water bodies of similar size, supporting high importance of heterogeneous pond networks for arthropod diversity conservation. Our study shows that systematic biodiversity management concepts both during active mining and at later stages of succession will be needed. Monitoring should go beyond just measuring taxonomic richness, including also assessments of community composition, the presence of rare and endangered taxa, and functional diversity.
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issn 2150-8925
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spelling doaj-art-939dcfa7786b44d496fab4becfa357872025-08-20T03:05:06ZengWileyEcosphere2150-89252025-02-01162n/an/a10.1002/ecs2.70171Environmental DNA supports importance of heterogeneous pond landscapes for arthropod diversity conservationVera Zizka0Katharina Schwesig1Nele Engel2Norbert Hölzel3Christoph Scherber4Centre for Biodiversity Monitoring and Conservation Science Leibniz Institute for the Analysis of Biodiversity Change (LIB) Bonn GermanyBiodiversity and Ecosystem Research Group Institute of Landscape Ecology, University of Münster Münster GermanyCentre for Biodiversity Monitoring and Conservation Science Leibniz Institute for the Analysis of Biodiversity Change (LIB) Bonn GermanyBiodiversity and Ecosystem Research Group Institute of Landscape Ecology, University of Münster Münster GermanyCentre for Biodiversity Monitoring and Conservation Science Leibniz Institute for the Analysis of Biodiversity Change (LIB) Bonn GermanyAbstract Freshwater ponds host diverse arthropod communities, but conservation frameworks are scarce. Heterogeneous pond mosaics of various sizes and successional stages can develop during raw material extraction in mining sites, acting as refugia for a variety of species. Here, we investigate arthropod diversity and conservation status across lakes and ponds in mining sites; analyze how water body size, age, and vegetation cover affect diversity patterns; and discuss how results can contribute to management actions and conservation schemes. Using environmental DNA metabarcoding, we determine arthropod diversity at 55 pond and lake plots located in active mining sites in Germany. We assess the effect of structural parameters on arthropod species richness, beta diversity, and the occurrence of rare and endangered species. Overall, we detected 436 arthropod species, many of which lacking a threat status evaluation, potentially hampering analyses of conservation aspects. We identify different effects of structural variables on species richness and beta diversity, and variable responses at the order level. Further, results reveal comparable diversity of accumulated pond network area, compared with single large water bodies of similar size, supporting high importance of heterogeneous pond networks for arthropod diversity conservation. Our study shows that systematic biodiversity management concepts both during active mining and at later stages of succession will be needed. Monitoring should go beyond just measuring taxonomic richness, including also assessments of community composition, the presence of rare and endangered taxa, and functional diversity.https://doi.org/10.1002/ecs2.70171Arthropodadiversityenvironmental DNAmetabarcodingminingponds
spellingShingle Vera Zizka
Katharina Schwesig
Nele Engel
Norbert Hölzel
Christoph Scherber
Environmental DNA supports importance of heterogeneous pond landscapes for arthropod diversity conservation
Ecosphere
Arthropoda
diversity
environmental DNA
metabarcoding
mining
ponds
title Environmental DNA supports importance of heterogeneous pond landscapes for arthropod diversity conservation
title_full Environmental DNA supports importance of heterogeneous pond landscapes for arthropod diversity conservation
title_fullStr Environmental DNA supports importance of heterogeneous pond landscapes for arthropod diversity conservation
title_full_unstemmed Environmental DNA supports importance of heterogeneous pond landscapes for arthropod diversity conservation
title_short Environmental DNA supports importance of heterogeneous pond landscapes for arthropod diversity conservation
title_sort environmental dna supports importance of heterogeneous pond landscapes for arthropod diversity conservation
topic Arthropoda
diversity
environmental DNA
metabarcoding
mining
ponds
url https://doi.org/10.1002/ecs2.70171
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