Resistance and resilience of stream insect communities to repeated hydrologic disturbances after a wildfire

Vieira, Nicole K. M.; Clements, William H.; Guevara, Lynette S.; Jacobs, Brian F.

doi:10.1111/j.1365-2427.2004.01261.x

Cited by 120 publications

(133 citation statements)

References 46 publications

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“…Among them, some Coleoptera (Dytiscidae, Haliplidae, and Hydrophilidae) and many Oligochaeta are known as very resistant taxa (Lafont, 1984;Smith and Golladay, 2011). Despite showing low resistance, different taxa show high resilience recovering rapidly from different disturbances; among them, Baetidae and many Chironomidae (Viera et al, 2004). Species with longer cycle like some dragonflies were localised mostly in channels.…”

Section: Discussionmentioning

confidence: 99%

Benthic macroinvertebrates in Italian rice fields

2013

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Section: Discussionmentioning

confidence: 99%

Benthic macroinvertebrates in Italian rice fields

2013

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“…functional feeding group), which is obtained by weighting the categories with the raw or logtransformed abundance (e.g. Johnson et al, 2004;Vieira et al, 2004;Reckendorfer et al, 2006;Bonada, Dolédec & Statzner, 2007a). Alternatively, the presence-absence of taxa has been used to weight trait categories (e.g.…”

Section: Technical Frameworkmentioning

confidence: 99%

Can biological invertebrate traits resolve effects of multiple stressors on running water ecosystems?

2010

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SUMMARY1. Accurately assessing the effects of multiple human-caused stressors on freshwater (and other) ecosystems is an essential step in the development of efficient decision support tools for environmental managers. Our objective is to review potentials and limitations of the use of biological traits as indicators (BTIs) of multiple stressor effects on running water (i.e. lotic) ecosystems. 2. Pioneers in ecology provided mechanistic explanations for responses of alternative biological traits to a given stressor and for the action of habitat harshness as a trait filter. These ideas were subsequently integrated in theoretical ecological constructs (e.g. Habitat Templet Concept) that form the basis of the BTI approach. 3. To resolve the effects of multiple stressors on running waters requires multiple traits of a biologically diverse group of organisms such as lotic invertebrates. To meet this goal, however, recently created databases on the biological traits of lotic invertebrates must be expanded and unified. 4. Addressing the technical implementation of the BTI approach, we illustrate that anticipated problems with phylogenetic trait syndromes are seemingly less serious in reality and that presence-absence data of genera and few sample replicates are sufficient for accurate trait descriptions of invertebrate communities. 5. Current trends in politics demand that biomonitoring tools be effective at large scales, i.e. large-scale trait patterns of natural communities (i.e. at reference conditions) should be relatively stable. The trait composition of natural invertebrate communities is relatively stable at the scale of Europe and North America because trait filters of natural lotic habitats act similarly across large biogeographical units. 6. The mechanistic actions of stressors on the biological traits of invertebrates should facilitate a priori predictions, but the complexity of potential trait responses makes such predictions sometimes difficult. 7. To illustrate potentials and limitations of BTIs to identify a given stressor acting exclusively (or primarily), we examine the (i) use of functional feeding groups to indicate the action of various stressors and (ii) trait responses to an indirectly acting stressor (discharge variation) and to a more directly acting stressor (near-bottom flow). If the excessive use of specific traits for the indication of too many different stressors is avoided and a given stressor acts directly on traits as a priori predicted, reliable interpretations of trait responses can be achieved. Thus, the BTI approach has the potential to inaugurate a new era in the biomonitoring of lotic (and other) ecosystems.

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“…Repeated wildfires in a catchment could additively or synergistically influence biota by eliminating refuges and resetting habitat and population recovery trajectories, and greater fire frequency could lead to more extirpations and prevent ecosystem recovery. Postfire precipitation on a recently burned catchment produces ash flows that can, depending on timing and intensity, result in hypoxic water conditions (Lyon and O'Connor 2008), high suspended sediment loads (Bozek and Young 1994), and extreme flooding (Rinne 1996, Vieira et al 2004, Howell 2006. To account for this context dependency, it is important to document stream characteristics, fire characteristics, and postfire precipitation in assessing the effects of wildfire on riverine communities.…”

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confidence: 99%

“…For instance, wildfire-induced changes in channel stability, sedimentation, and resource availability can decrease macroinvertebrate abundance (Gresswell 1999). Wildfire-induced habitat changes have resulted in altered macroinvertebrate community composition by selecting for taxa with shorter turnover times, high dispersal abilities, or autochthonous resource preferences (Mihuc and Minshall 1995, Vieira et al 2004, Verkaik et al 2013. Wildfire-induced flooding also can severely alter macroinvertebrate abundance, richness, and community structure (Rinne 1996, Earl and Blinn 2003, Vieira et al 2004.…”

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confidence: 99%

Consecutive wildfires affect stream biota in cold- and warmwater dryland river networks

et al. 2015

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Climate change and fire suppression have altered fire regimes globally, leading to larger, more frequent, and more severe wildfires. Responses of coldwater stream biota to single wildfires are well studied, but measured responses to consecutive wildfires in warmwater systems that often include mixed assemblages of native and nonnative taxa are lacking. We quantified changes in physical habitat, resource availability, and biomass of cold-and warmwater oligochaetes, insects, crayfish, fishes, and tadpoles following consecutive megafires (covering >100 km 2 ) in the upper Gila River, New Mexico, USA. We were particularly interested in comparing responses of native and nonnative fishes that might have evolved under different disturbance regimes. Changes in habitat and resource availability were related to cumulative fire effects, fire size, and postfire precipitation. The 2 nd of 2 consecutive wildfires in the basin was larger and, coupled with moderate postfire discharge, resulted in increased siltation and decreased algal biomass. Several insect taxa responded to these fires with reduced biomass, whereas oligochaete biomass was unaffected. Biomass of 6 of 7 native fish species decreased after the fires, and decreases were associated with site proximity to fire. Nonnative fish decreases after fire were most pronounced for coldwater salmonids, and warmwater nonnative fishes exhibited limited responses. All crayfish and tadpoles collected were nonnative and were unresponsive to fire disturbance. More pronounced responses of native insects and fishes to fires indicate that increasing fire size and frequency threatens the persistence of native fauna and suggests that management activities promoting ecosystem resilience might help ameliorate wildfire effects.

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Resistance and resilience of stream insect communities to repeated hydrologic disturbances after a wildfire

Cited by 120 publications

References 46 publications

Benthic macroinvertebrates in Italian rice fields

Benthic macroinvertebrates in Italian rice fields

Can biological invertebrate traits resolve effects of multiple stressors on running water ecosystems?

Consecutive wildfires affect stream biota in cold- and warmwater dryland river networks

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