Effects of a natural flood disturbance on species richness and beta diversity of stream benthic diatom communities

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dc.creatorSchneck, Fabiana
dc.creatorLange, Katharina
dc.creatorMelo, Adriano Sanches
dc.creatorTownsend, Colin R.
dc.creatorMatthaei‬, ‪Christoph D.
dc.date.accessioned2023-06-28T14:25:39Z
dc.date.available2023-06-28T14:25:39Z
dc.date.issued2017
dc.description.abstractNatural hydrological disturbances in streams may reduce biomass and species richness and change community composition within streams. Disturbances can also affect beta diversity among streams if their effects are species specific or vary across sites. We investigated the effect of a natural flood on species richness, community composition and among-streams beta diversity of benthic diatoms (total community and three functional groups: low profile, high profile and motile) of seven streams in New Zealand. Sampling occurred shortly before, 10 days after and 40 days after the flood. Species richness of the total diatom community did not change after the flood. The high-profile group was the only one whose species richness declined after the flood, whereas species richness of the low-profile group increased. Community composition changed after the flood, mostly as a result of species replacement rather than richness differences over time. Finally, among-streams beta diversity did not change after the flood, suggesting that variation in species composition of benthic diatoms among streams may be maintained in the face of flood disturbances.pt_BR
dc.identifier.citationSCHNECK, Fabiana; LANGE, Katharina; MELO, Adriano S.; TOWNSEND, Colin R.; MATTHAEI, Christoph D. Effects of a natural flood disturbance on species richness and beta diversity of stream benthic diatom communities. Aquatic Ecology, Berlim, v. 51, p. 557-569, 2017. DOI: 10.1007/s10452-017-9636-1. Disponível em: https://link.springer.com/article/10.1007/s10452-017-9636-1. Acesso em: 2 jun. 2023.pt_BR
dc.identifier.doi10.1007/s10452-017-9636-1
dc.identifier.issn1386-2588
dc.identifier.issne- 1573-5125
dc.identifier.urihttps://link.springer.com/article/10.1007/s10452-017-9636-1
dc.language.isoengpt_BR
dc.publisher.countryAlemanhapt_BR
dc.publisher.departmentInstituto de Ciências Biológicas - ICB (RMG)pt_BR
dc.rightsAcesso Restritopt_BR
dc.subjectBenthic algaept_BR
dc.subjectTurnoverpt_BR
dc.subjectHydrological disturbancept_BR
dc.subjectNew Zealandpt_BR
dc.subjectPeriphytonpt_BR
dc.titleEffects of a natural flood disturbance on species richness and beta diversity of stream benthic diatom communitiespt_BR
dc.typeArtigopt_BR

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