Effects of Stream Permanence on Crayfish Community Structure

Flinders, Camille A.; Magoulick, Daniel D.

doi:10.1674/0003-0031(2003)149[0134:eospoc]2.0.co;2

Cited by 50 publications

(37 citation statements)

References 33 publications

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“…Past studies have typically been restricted to single temporary streams (Hynes 1958;Bunn and Davies 1992;Closs and Lake 1994) or, if several, to single catchments (Williams and Hynes 1976;Delucchi 1989;Feminella 1996;Miller and Golladay 1996;Pires et al 2000;Bonada et al 2007). As a consequence, it has been difficult to differentiate between the natural spatial variability of macroinvertebrate communities among these stream types and the effects of stream drying (Flinders and Magoulick 2002;Puntí et al 2007).…”

Section: Introductionmentioning

confidence: 99%

Do seasonal changes in habitat features influence aquatic macroinvertebrate assemblages in perennial versus temporary Mediterranean streams?

et al. 2011

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In this study we examined the importance of seasonal changes in habitat features and aquatic macroinvertebrate responses in temporary and perennial streams from two different catchments in the Western Mediterranean region in Spain. Macroinvertebrate sampling was spatially intensive to account for the relative frequency of meso-(i.e., riffles and pools) and micro-habitats (i.e., different mineral and organic-based substrata) at each site. Samples were collected at two distinctly different phases of the hydrograph: (1) during the flowing period, when poolriffle sequences were well-established, and (2) during the dry phase, when only isolated pools were expected to occur in the temporary streams. During the dry season, both a reduction in the available total habitat and in microhabitat diversity in all sites studied was observed. As a result, taxon richness decreased in all streams, but more dramatically at temporary stream sites and particularly so in the infrequently remaining discontinuous riffles. Macroinvertebrate assemblages differed among catchments (i.e., geographical identity) and sites (perennial vs. temporary). Invertebrate differences were also strong within and among meso-and micro-habitats, particularly mineral and organic microhabitat patches, and differences were due to both loss of taxa from some habitats and some taxa exhibiting certain habitat affinities.

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Section: Introductionmentioning

confidence: 99%

Do seasonal changes in habitat features influence aquatic macroinvertebrate assemblages in perennial versus temporary Mediterranean streams?

et al. 2011

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“…The range of water depth, current velocities, and substrate in riffles measured in our study were comparable with previously reported values (Flinders and Magoulick 2005;Magoulick and DiStefano 2007;Rabalais and Magoulick 2006 [3), possibly explaining the lower densities of O. n. neglectus in Shoal Creek, which was significantly deeper than the other streams sampled in our study. The inverse relation between crayfish density and stream size (C5 orders) or watershed size may be related to the proportional decrease in allochthonous materials in larger streams (Vannote et al 1980), loss of habitat heterogeneity (Clark 2009;Mitchell and Smock 1991), smaller percentage of suitable habitat (Burkey and Simon 2010;DiStefano et al 2008;Lodge and Hill 1994;Westhoff et al 2006), or increased predation (Flinders and Magoulick 2003;Hill and Lodge 1995;Stein and Magnuson 1976).…”

Section: Discussionmentioning

confidence: 99%

Effects of Mining-Derived Metals on Riffle-Dwelling Crayfish in Southwestern Missouri and Southeastern Kansas, USA

Allert

DiStefano²,

Schmitt

et al. 2012

Arch Environ Contam Toxicol

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“…Crayfish may choose larger or more complex substrates because they provide shelter from vertebrate or conspecific predators (Stein and Magnuson 1976, Stein 1977, Blake and Hart 1994, Kreshner and Lodge 1995. Some crayfish species tolerate a broad range of temperature, but tolerances are typically species-specific (Flinders and Magoulick 2003). Orconectes rusticus density was significantly related to mean summer temperature.…”

Section: Discussionmentioning

confidence: 99%

“…The proportions of riffle, run, and pool habitat in each reach were estimated visually, and proportions of individual substrates (e.g., cobble) were quantified according to the Wentworth scale (Cummins 1962). Sampling occurred in wadable habitats with a quantitative kick-net method by disturbing the substrates of a 1 m2 area directly upstream of a 0.5-mm mesh seine for 60 sec (Flinders and Magoulick 2003). Two distinct substrate sizes were sampled in each reach -mixed gravel-cobble and large limestone boulder slabs eroded from the parent bedrock.…”

Section: Introductionmentioning

confidence: 99%

“…Crayfishes were field-identified to species or preserved in 95% ETOH for later identification. Carapace length for all individuals was measured with a digital caliper to the nearest mm and classified as small (I 15 mm) or large (> 15 mm) (Flinders and Magoulick 2003). Species identifications were based on Hobbs (1989) and Taylor and Schuster (2004).…”

Section: Introductionmentioning

confidence: 99%

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Relationships between Crayfish Abundance Patterns and Environmental Variables across Two Spatial Scales in a Central Kentucky River Basin, USA

Ngulo

Grubbs

2010

Journal of Freshwater Ecology

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The relationships between crayfish species abundance patterns during summer baseflow conditions and environmental variables at the watershed and reach scales were assessed across 30 study reaches in Kentucky's upper Green River basin, U.S.A. Mixed gravel-cobble and large boulder substrates were sampled from each reach. Six species in total were obtained. Orconectes rusticus and Orconectesputnami were obtained from 29 reaches each and combined comprised 92.6% of the total individuals collected. The most common Cambarus (C. graysoni) constituted 4.8 % of the total individuals obtained. Although 0. putnami and C. graysoni had higher mean density values on large boulders, an independent measure t-test revealed non-significant differences. A similar result occurred for 0. rusticus, with only slightly higher densities on gravel-cobble substrates. A canonical correspondence analysis (CCA) in the forward selection procedure reduced the number of environmental variables from 27 to five for the gravel-cobble data only. The second CCA revealed relationships between crayfish species abundance with percentage of urban land-use and stream-size related variables (e.g., temperature). Pearson correlations showed that density of only 0. rusticus was related to percentage of urban land-use and temperature.

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Effects of Stream Permanence on Crayfish Community Structure

Cited by 50 publications

References 33 publications

Do seasonal changes in habitat features influence aquatic macroinvertebrate assemblages in perennial versus temporary Mediterranean streams?

Do seasonal changes in habitat features influence aquatic macroinvertebrate assemblages in perennial versus temporary Mediterranean streams?

Effects of Mining-Derived Metals on Riffle-Dwelling Crayfish in Southwestern Missouri and Southeastern Kansas, USA

Relationships between Crayfish Abundance Patterns and Environmental Variables across Two Spatial Scales in a Central Kentucky River Basin, USA

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