The relationships among three habitat scales and stream benthic invertebrate community structure

Carter, J.L.; Fend, Steven V.; Kennelly, Susan

doi:10.1046/j.1365-2427.1996.d01-450.x

Cited by 78 publications

(51 citation statements)

References 7 publications

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“…This distribution of species correlated with environmental variability and not the order of the rivers (CARTER et al, 1996). The same pattern was found for Boyero (2003), in two basins in central region of Spain, and Donald & Anderson (1977), in Canada, where the richness varied considerably among microbasins.…”

Section: Discussionsupporting

confidence: 68%

Influência de fatores ambientais na distribuição de famílias de insetos aquáticos em rios no sul do Brasil

Baptista¹,

Antunes

Martello

et al. 2014

Ambient. soc.

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Os rios neotropicais sofrem os efeitos das ações humanas. Medidas conservacionistas, pela escassez de estudos na região e do conhecimento límnico, baseiam-se em dados referentes a outras regiões, sendo muitas vezes ineficazes pela inobservância das diferenças nas respostas das comunidades aquáticas às variáveis ambientais em escalas distintas. Este estudo teve como objetivos: conhecer a riqueza de insetos aquáticos em uma bacia neotropical; verificar qual a influência das variáveis ambientais na distribuição das famílias de insetos aquáticos em quatro tributários dessa bacia e observar se o padrão de distribuição das famílias de insetos aquáticos varia entre as ordens dos rios ou entre microbacias, de acordo com a influência de variáveis ambientais e espaciais. Foi encontrado um total de 9.135 indivíduos distribuídos em 26 famílias de macroinvertebrados. A estrutura das comunidades foi distinta entre as microbacias. As famílias de insetos aquáticos foram influenciadas pelas variáveis ambientais e espaciais diferentes em cada microbacia.

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Section: Discussionsupporting

confidence: 68%

Influência de fatores ambientais na distribuição de famílias de insetos aquáticos em rios no sul do Brasil

Baptista¹,

Antunes

Martello

et al. 2014

Ambient. soc.

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“…Although all variables in multiple scales influence the prediction of aquatic assemblages, their relative contributions are different (Carter et al, 1996;Townsend, 2003). Assemblage-specific responses to different types, levels, or scales of disturbance can result in low intercorrelation between diatoms, macroinvertebrates, and fish metrics (Flinders et al, 2008).…”

Section: Discussionmentioning

confidence: 99%

Relationships between three major stream assemblages and their environmental factors in multiple spatial scales

Bae

Kwon

Hwang

et al. 2011

Ann. Limnol. - Int. J. Lim.

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-This study investigated the relationships of three major aquatic assemblages (diatom, macroinvertebrate, and fish) and environmental variables, including sub-basin, hydrology, land cover, and water quality variables on multiple scales. Samples were collected at 720 sampling sites on the Korean nationwide scale. Geological variables, including altitude and slope, showed a strong positive correlation with proportions of forest in land cover types and cobbles in substrates, while they were negatively correlated with water quality variables, including conductivity and total phosphorus. Considering the concordance of the different assemblages, species richness of fish and macroinvertebrates displayed significant correlation, and diatoms were significantly correlated with fish. However, diatoms did not show significant correlation with macroinvertebrates. Altitude and slope showed significant correlation with all biological variables of the three assemblages. Macroinvertebrates and fish showed positive relations with large substrate sizes. Indices of diatoms and macroinvertebrates well reflected the perturbation of water quality variables. However, fish indices showed a relatively low association with water quality variables, compared with those of diatoms and macroinvertebrates. These patterns were also confirmed by the ordination and prediction of biological indices with environmental variables through the learning process of a self-organizing map as well as random forest. Overall, our study supports the concept of multi-scale habitat filters and functional organization in streams, and is consistent with the recommended use of multiple biological indices with more than one assemblage for the assessment of the biotic integrity of aquatic ecosystems.

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“…A similar approach was taken but only a 91 m radius was used for this analysis. We realize that stream ecosystems are continuous and that conditions at a particular site on a stream reflect the cumulative inputs upstream in the watershed, however studies have also shown that local environmental conditions have a strong influence on biological assemblages (Carter et al, 1996;Pan et al, 1996;Richards et al, 1997).…”

Section: Near-stream Land Use Characterizationmentioning

confidence: 99%

Using Diatom Assemblages to Assess Urban Stream Conditions

Walker

Pan

2006

Hydrobiologia

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We characterized changes in diatom assemblages along an urban-to-rural gradient to assess impacts of urbanization on stream conditions. Diatoms, water chemistry, and physical variables of riffles at 19 urban and 28 rural stream sites were sampled and assessed during the summer base flow period. Near stream land use was characterized using GIS. In addition, one urban and one rural site were sampled monthly throughout a year to assess temporal variation of diatom assemblages between the urban and rural stream sites. Canonical correspondence analysis (CCA) showed that the 1st ordination axis distinctly separated rural and urban sites. This axis was correlated with conductivity (r=0.75) and % near-stream commercial/ industrial land use (r=0.55). TWINSPAN classified all sites into four groups based on diatom assemblages. These diatom-based site groups were significantly different in water chemistry (e.g., conductivity, dissolved nutrients), physical habitat (e.g., % stream substrate as fines), and near-stream land use. CCA on the temporal diatom data set showed that diatom assemblages had high seasonal variation along the 2nd axis in both urban and rural sites, however, rural and urban sites were well separated along the 1st ordination axis. Our results suggest that changes in diatom assemblages respond to urban impacts on stream conditions.

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The relationships among three habitat scales and stream benthic invertebrate community structure

Cited by 78 publications

References 7 publications

Influência de fatores ambientais na distribuição de famílias de insetos aquáticos em rios no sul do Brasil

Influência de fatores ambientais na distribuição de famílias de insetos aquáticos em rios no sul do Brasil

Relationships between three major stream assemblages and their environmental factors in multiple spatial scales

Using Diatom Assemblages to Assess Urban Stream Conditions

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