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1. Identificação
Tipo de ReferênciaArtigo em Revista Científica (Journal Article)
Sitemtc-m21c.sid.inpe.br
Código do Detentorisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identificador8JMKD3MGP3W34R/4432J25
Repositóriosid.inpe.br/mtc-m21c/2021/01.22.12.05   (acesso restrito)
Última Atualização2021:01.22.12.05.26 (UTC) simone
Repositório de Metadadossid.inpe.br/mtc-m21c/2021/01.22.12.05.26
Última Atualização dos Metadados2022:04.03.22.28.04 (UTC) administrator
DOI10.1016/j.ecolind.2020.107048
ISSN1470-160X
Chave de CitaçãoGraco-RozaSoCoPaMiDoMa:2021:FuRaTh
TítuloFunctional rather than taxonomic diversity reveals changes in the phytoplankton community of a large dammed river
Ano2021
MêsFeb.
Data de Acesso30 jun. 2024
Tipo de Trabalhojournal article
Tipo SecundárioPRE PI
Número de Arquivos1
Tamanho3021 KiB
2. Contextualização
Autor1 Graco-Roza, Caio
2 Soininen, Janne
3 Corrêa, Gilsineia
4 Pacheco, Felipe Siqueira
5 Miranda, Marcela Aparecida Campos Neves
6 Domingos, Patrícia
7 Marinho, Marcelo M.
Grupo1
2
3
4 DIIAV-CGCT-INPE-MCTI-GOV-BR
5 DIIAV-CGCT-INPE-MCTI-GOV-BR
Afiliação1 Universidade do Estado do Rio de Janeiro (UERJ)
2 University of Helsinki
3 Universidade do Estado do Rio de Janeiro (UERJ)
4 Instituto Nacional de Pesquisas Espaciais (INPE)
5 Instituto Nacional de Pesquisas Espaciais (INPE)
6 Universidade do Estado do Rio de Janeiro (UERJ)
7 Universidade do Estado do Rio de Janeiro (UERJ)
Endereço de e-Mail do Autor1 caiogracor@gmail.com
2
3
4 felipeufjf@yahoo.com.br
5 marcelaacnmiranda@gmail.com
RevistaEcological Indicators
Volume121
Páginase107048
Nota SecundáriaA1_ZOOTECNIA_/_RECURSOS_PESQUEIROS A1_PLANEJAMENTO_URBANO_E_REGIONAL_/_DEMOGRAFIA A1_INTERDISCIPLINAR A1_GEOGRAFIA A1_ENGENHARIAS_I A1_CIÊNCIAS_AMBIENTAIS A1_CIÊNCIAS_AGRÁRIAS_I A2_GEOCIÊNCIAS A2_ENGENHARIAS_III A2_ENGENHARIAS_II A2_CIÊNCIA_DE_ALIMENTOS A2_BIODIVERSIDADE B1_QUÍMICA B1_CIÊNCIAS_BIOLÓGICAS_II B1_CIÊNCIAS_BIOLÓGICAS_I B1_BIOTECNOLOGIA
Histórico (UTC)2021-01-22 12:07:24 :: simone -> administrator :: 2021
2022-04-03 22:28:04 :: administrator -> simone :: 2021
3. Conteúdo e estrutura
É a matriz ou uma cópia?é a matriz
Estágio do Conteúdoconcluido
Transferível1
Tipo do ConteúdoExternal Contribution
Tipo de Versãopublisher
Palavras-ChaveRiver damming
Community distinctiveness
Functional dispersion
Land use
Reservoir
ResumoRiver damming reduces the dispersal rates of biota and filter species by altering the local environmental conditions. Although phytoplankton is a key biotic group to indicate changes in aquatic environments, the effects of river damming on the longitudinal distribution of phytoplankton communities are not widely addressed. Here we investigated the changes on the taxonomic and functional composition of the phytoplankton community in a large tropical dammed river. We expect compositional changes to be higher at taxonomic than functional level especially in the dam-free stretches of the river because running waters select species able to cope with the water turbulence. Furthermore, flow regulation allows species with different traits to colonize the increasingly lentic stretches resulting in higher functional diversity towards dams. Phytoplankton samples were taken in 210 sites, spaced by 5 km, along the whole river channel. Data were split at a reservoir level considering the sites within 30 km before and after each dam to analyze the effects of damming on the community composition. Compositional changes were assessed by estimating the degree to which each community differed from all other communities within the regional pool (community distinctiveness) considering taxonomic and functional composition separately. Functional diversity was estimated as the degree to which species within the same community differed from each other with respect to their trait composition (functional dispersion). We used community-weighted means to test how the different traits were filtered by river damming. Furthermore, we assessed the effects of local environmental conditions on the phytoplankton taxonomic and functional composition using boosted regression trees (BRT). We observed no effects of river damming on species dispersal. Functional turnover was low, suggesting that compositional changes occurred mainly among functionally similar species. However, there was a noticeable reduction of phytoplankton diversity that persisted for more than 100 km after one of the dams. Flow regulation allowed flagellated and mucilaginous species to colonize the dammed areas. After the dams, such species were filtered due to the increase of water mixing downstream, as evidenced by a hump-shaped trend in the functional diversity of the sites within 30 km distance of the dams. BRT analyses highlighted the role of nutrient input in the dammed areas for the community compositional change. This study highlights the importance of considering both taxonomical and functional diversity to describe the effects of human intervention such as damming on aquatic ecosystems.
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4. Condições de acesso e uso
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Arquivo Alvoroza_functional.pdf
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Visibilidadeshown
Permissão de Leituradeny from all and allow from 150.163
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5. Fontes relacionadas
Unidades Imediatamente Superiores8JMKD3MGPCW/46KUATE
Lista de Itens Citandosid.inpe.br/bibdigital/2022/04.03.22.23 4
Acervo Hospedeirourlib.net/www/2017/11.22.19.04
6. Notas
Campos Vaziosalternatejournal archivingpolicy archivist callnumber copyholder copyright creatorhistory descriptionlevel dissemination e-mailaddress format isbn label lineage mark mirrorrepository nextedition notes number orcid parameterlist parentrepositories previousedition previouslowerunit progress project resumeid rightsholder schedulinginformation secondarydate secondarykey session shorttitle sponsor subject tertiarymark tertiarytype url
7. Controle da descrição
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