From microbes to mammals: Pond biodiversity homogenization across different land‐use types in an agricultural landscape

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dc.contributor.authorIonescu, Danny
dc.contributor.authorBizic, Mina
dc.contributor.authorKarnatak, Rajat
dc.contributor.authorMusseau, Camille L.
dc.contributor.authorOnandia, Gabriela
dc.contributor.authorKasada, Minoru
dc.contributor.authorBerger, Stella A.
dc.contributor.authorNejstgaard, Jens Christian
dc.contributor.authorRyo, Masahiro
dc.contributor.authorLischeid, Gunnar
dc.contributor.authorGessner, Mark O.
dc.contributor.authorWollrab, Sabine
dc.contributor.authorGrossart, Hans‐Peter
dc.date.accessioned2023-01-16T13:44:05Z
dc.date.available2023-01-16T13:44:05Z
dc.date.issued2022-04-01
dc.date.updated2022-09-21T22:20:10Z
dc.description.abstractLocal biodiversity patterns are expected to strongly reflect variation in topography, land use, dispersal boundaries, nutrient supplies, contaminant spread, management practices, and other anthropogenic influences. Contrary to this expectation, studies focusing on specific taxa revealed a biodiversity homogenization effect in areas subjected to long‐term intensive industrial agriculture. We investigated whether land use affects biodiversity levels and community composition (α‐ and β‐diversity) in 67 kettle holes (KH) representing small aquatic islands embedded in the patchwork matrix of a largely agricultural landscape comprising grassland, forest, and arable fields. These KH, similar to millions of standing water bodies of glacial origin, spread across northern Europe, Asia, and North America, are physico‐chemically diverse and differ in the degree of coupling with their surroundings. We assessed aquatic and sediment biodiversity patterns of eukaryotes, Bacteria, and Archaea in relation to environmental features of the KH, using deep‐amplicon‐sequencing of environmental DNA (eDNA). First, we asked whether deep sequencing of eDNA provides a representative picture of KH aquatic biodiversity across the Bacteria, Archaea, and eukaryotes. Second, we investigated if and to what extent KH biodiversity is influenced by the surrounding land use. We hypothesized that richness and community composition will greatly differ in KH from agricultural land use compared with KH in grasslands and forests. Our data show that deep eDNA amplicon sequencing is useful for in‐depth assessments of cross‐domain biodiversity comprising both micro‐ and macro‐organisms, but has limitations with respect to single‐taxa conservation studies. Using this broad method, we show that sediment eDNA, integrating several years to decades, depicts the history of agricultural land‐use intensification. Aquatic biodiversity was best explained by seasonality, whereas land‐use type explained little of the variation. We concluded that, counter to our hypothesis, land use intensification coupled with landscape wide nutrient enrichment (including atmospheric deposition), groundwater connectivity between KH and organismal (active and passive) dispersal in the tight network of ponds, resulted in a biodiversity homogenization in the KH water, leveling off today's detectable differences in KH biodiversity between land‐use types. These findings have profound implications for measures and management strategies to combat current biodiversity loss in agricultural landscapes worldwide.en
dc.identifier.eissn1557-7015
dc.identifier.issn0012-9615
dc.identifier.urihttps://depositonce.tu-berlin.de/handle/11303/17995
dc.identifier.urihttps://doi.org/10.14279/depositonce-16787
dc.language.isoen
dc.rights.urihttps://creativecommons.org/licenses/by-nc/4.0/
dc.subject.ddc570 Biowissenschaften; Biologiede
dc.subject.ddc577 Ökologiede
dc.subject.otherbiodiversity homogenization
dc.subject.othereDNA
dc.subject.otherintensive agriculture
dc.subject.otherkettle hole
dc.subject.otherland use
dc.titleFrom microbes to mammals: Pond biodiversity homogenization across different land‐use types in an agricultural landscapeen
dc.typeArticle
dc.type.versionpublishedVersion
dcterms.bibliographicCitation.articlenumbere1523
dcterms.bibliographicCitation.doi10.1002/ecm.1523
dcterms.bibliographicCitation.issue3
dcterms.bibliographicCitation.journaltitleEcological Monographsen
dcterms.bibliographicCitation.originalpublishernameWiley
dcterms.bibliographicCitation.originalpublisherplaceNew York, NY
dcterms.bibliographicCitation.volume92
dcterms.rightsHolder.referenceCreative-Commons-Lizenz
tub.accessrights.dnbfree
tub.affiliationFak. 6 Planen Bauen Umwelt::Inst. Ökologie::FG Angewandte Gewässerökologie
tub.publisher.universityorinstitutionTechnische Universität Berlin

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