Detecting the structural and functional impacts of fine sediment on stream invertebrates

Buendía, Cristina; Gibbins, Christopher; Vericat, Damià; Batalla, Ramón J.; Douglas, Alex

doi:10.1016/j.ecolind.2012.09.027

Cited by 105 publications

(92 citation statements)

References 70 publications

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“…Furthermore, we failed to detect significant or predictable change in functional metrics, even where effects were presumed to be greatest. This may reflect our incomplete knowledge of taxon identity and ecology, since patterns contrast with response to change in riparian and depositional characteristics reported elsewhere (Benstead et al, 2003, Buendia et al, 2013.…”

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confidence: 74%

“…Others have illustrated the high discriminatory power that generic-and species-level information can provide (Dudgeon, 2012, Monk et al, 2012, even where the magnitude of disturbance is small (Hawkins et al, 2000, Benstead et al, 2003, Waite et al, 2004, Buendia et al, 2013. Some traits are considered relatively stable among genera of many families (Dolédec et al, 2000).…”

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confidence: 99%

“…We also selected seven functional metrics considered sensitive to change in the environmental characteristics most variable in our study streams (sedimentation and riparian land cover -see results) (e.g. Benstead et al, 2003, Sutherland et al, 2012, Buendia et al, 2013. The proportion of the total fauna (by abundance) within three habit (clinger (CL), burrower (BU), swimmer (SW)) and four feeding (collector-gatherers (CG), collector-filterers (CF), scrapers (SC), shredders (SH)) groups was calculated following Tomanova et al (2008), Tomanova and Usseglio-Polatera (2007), Merritt et al (2008) and our own observations for taxa not listed (Table Online Resources 2).…”

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confidence: 99%

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Challenges using extrapolated family-level macroinvertebrate metrics in moderately disturbed tropical streams: a case-study from Belize

2017

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Family-level biotic metrics were originally designed to rapidly assess gross organic pollution effects, but came to be regarded as general measures of stream degradation. Improvements in water quality in developed countries have reignited debate about the limitations of family-level taxonomy to detect subtle change, and is resulting in a shift back towards generic and species-level analysis to assess smaller effects. Although the scale of pollution characterizing past condition of streams in developed countries persists in many developing regions, some areas are still considered to be only moderately disturbed. We sampled streams in Belize to investigate the ability of familylevel macroinvertebrate metrics to detect change in stream catchments where less than 30% of forest had been cleared. Where disturbance did not co-vary with natural gradients of change, and in areas characterized by low intensity activities, none of the metrics tested detected significant change, despite evidence of environmental impacts. We highlight the need for further research to clarify the response of metrics to disturbance over a broader study area that allows replication for confounding sources of natural variation. We also recommend research to develop more detailed understanding of the taxonomy and ecology of Neotropical macroinvertebrates to improve the robustness of metric use.

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confidence: 99%

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Challenges using extrapolated family-level macroinvertebrate metrics in moderately disturbed tropical streams: a case-study from Belize

2017

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“…responded definitively to settled sediment exposure. In a recent field-based assessment of the impacts of fine sediments on macroinvertebrates in a Spanish river, Buendia et al (2013) also showed that most taxon-based metrics (with the exception of % EPT and Pielou's evenness diversity index) and selected trait-based metrics were capable of detecting ecological responses to sedimentation, making the point that trait-based metrics are useful in understanding the mechanisms responsible for the observed patterns in macroinvertebrate abundance and distribution.…”

Section: Discussionmentioning

confidence: 99%

The relationship between concurrently measured SASS (South African Scoring System) and turbidity data archived in the South African River Health Programme’s Rivers Database

Gordon¹,

Griffin²,

Palmer³

2014

WSA

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The need for monitoring the biological impacts of instream sediments has long been recognised, yet robust and scientifically defensible tools for doing so are still in the early stages of development because of the difficulties experienced by researchers in characterising the complicated mechanisms of biological effect elicited by sediment particles. Biological monitoring is one such tool, and this paper reports on the initial stages of a study to determine the most applicable approach for measuring the effects of instream sediments on aquatic macroinvertebrates in the South African context. In this first instance, the suitability of the rapid macroinvertebrate biomonitoring tool (the South African Scoring System) was investigated by determining the extent of the correlation between concurrently measured SASS metrics and turbidity data collected for the South African River Health Programme. All three SASS metrics -SASS score, number of taxa (NOT), and average score per taxon (ASPT) -were found to be significantly negatively correlated with turbidity, although variation in the data was high. Turbidity was found to be the major driver of change in ASPT. In contrast, electrical conductivity was the major driver of SASS scores and NOT, with turbidity a close second. When combined, electrical conductivity and turbidity accounted for 80% (SASS score) and 75% (NOT) of the variation in the regression model. Consequently, SASS metrics are a crude, but reliable, indicator of the negative biological implications of excessive instream sedimentation as measured by turbidity. A number of other potential biomonitoring approaches for detecting the impacts of fine sediment exposure are identified for further investigation: spatial analyses of macroinvertebrate assemblages; and the use of structural and functional metrics.

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“…Based on Southwood's habitat template model, trait approaches propose that habitat selects for characteristic life history traits through natural selection, and species are expected to respond to environmental gradients (Southwood 1977;Poff et al 2006;Buendia et al 2013). In this context, trait patterns can be indicators of the source of impairment, and species possessing relevant adaptive traits are likely to remain (Statzner et al 2004;Buendia et al 2013).…”

Section: Introductionmentioning

confidence: 99%

Biological traits and community patterns of Trichoptera at two Patagonian headwater streams affected by volcanic ash deposition

Brand

Miserendino

2014

Zool. Stud.

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Background: Sediment deposition constitutes a major disturbance having negative effects on aquatic ecosystems. The Chaitén Volcano eruption occurred on May 2008. As a consequence, broad areas along the Argentine Andes (40°S to 46°S) were covered with ash. This event provided an excellent opportunity to investigate how a natural and exceptional sedimentation episode affects Trichoptera communities.

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Detecting the structural and functional impacts of fine sediment on stream invertebrates

Cited by 105 publications

References 70 publications

Challenges using extrapolated family-level macroinvertebrate metrics in moderately disturbed tropical streams: a case-study from Belize

Challenges using extrapolated family-level macroinvertebrate metrics in moderately disturbed tropical streams: a case-study from Belize

The relationship between concurrently measured SASS (South African Scoring System) and turbidity data archived in the South African River Health Programme’s Rivers Database

Biological traits and community patterns of Trichoptera at two Patagonian headwater streams affected by volcanic ash deposition

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