Direct and Indirect Effects of Fish on Invertebrates and Tiger Salamanders in Prairie Pothole Wetlands

Maurer, Kristine M.; Stewart, Timothy W.; Lorenz, Frederick O.

doi:10.1007/s13157-014-0538-x

Cited by 27 publications

(37 citation statements)

References 29 publications

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“…However, numerous other wetland studies have cited the importance of salinity (e.g. Preston & Ray, ), turbidity (Maurer et al., ; Stewart & Downing, ) and phosphorus (McCormick, Shuford, & Rawlik, ; Silver, Thompson, et al., ) in structuring aquatic macroinvertebrate communities. The only relationship to water quality that we detected in our study system was a mild association ( r 2 = .139) between sodium and a variation in community composition along our second ordination axis.…”

Section: Discussionmentioning

confidence: 99%

“…No macroinvertebrate behavioural guild was associated with temporarily-ponded wetlands, but other research has concluded that wetland macroinvertebrates typically have high functional group overlaps (i.e. taxa in constrained or "filtered" habitats share the same traits; Ruh ı, Boix, Gasc on, Sala, & Batzer, 2013;Schriever & Lytle, 2016 (Maurer et al, 2014;Stewart & Downing, 2008) and phosphorus (McCormick, Shuford, & Rawlik, 2004;Silver, Thompson, et al, 2012) in structuring aquatic macroinvertebrate communities. The only relationship to water quality that we detected in our study system was a mild association (r 2 = .139) between sodium and a variation in community composition along our second ordination axis.…”

Section: Shredders Gatherers Engulfers Filterersmentioning

confidence: 98%

“…In the absence of fish, these may be the primary determinants of invertebrate community composition; however, a causal interpretation of Zimmer et al's (2000) results is challenging because aquatic plant abundance was negatively correlated with both fish presence and water depth. Using path analysis, Maurer, Stewart, and Lorenz (2014) assessed the direct and indirect relationships between fish and invertebrates in 34 permanently ponded wetlands in Iowa. They concluded that fish indirectly reduced invertebrate diversity by increasing turbidity, which caused a reduction in plant abundance, suggesting that predation was not the main mechanism of effect.…”

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Pond permanence is a key determinant of aquatic macroinvertebrate community structure in wetlands

Gleason

Rooney

2017

Freshwater Biology

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Globally, many aquatic ecosystems experience periodic desiccation that imposes stress on biota. The Northern Prairie Pothole Region (NPPR) in Alberta, Canada, contains abundant wetlands that fill with spring snowmelt and then draw down throughout the summer. They are often assigned a pond‐permanence class based on the duration of ponded water. These dynamic wetlands are home to diverse and productive communities of macroinvertebrates. We expected that pond permanence structures macroinvertebrate communities in NPPR wetlands. In addition to exploring the taxonomic composition of macroinvertebrate communities, we aimed to characterise these communities by functional groups to test for associations between pond permanence and desiccation strategies, feeding groups or behavioural guilds. We sampled aquatic macroinvertebrates from 87 wetlands in the NPPR that spanned a range of pond‐permanence classes. We identified macroinvertebrates to the lowest practical taxonomic level, usually family. We then performed multivariate analyses (multiresponse permutation procedures, non‐metric multidimensional scaling) to identify differences in community composition and functional groups among permanence classes. Community composition of macroinvertebrates was statistically distinct among pond‐permanence classes, with the extremes of temporarily‐ and permanently‐ ponded wetlands differing most. Notably, macroinvertebrates in temporarily‐ ponded wetlands were not unique taxa specially adapted to low‐permanence wetlands, but rather a subset of the community found in more permanent wetlands. In other words, macroinvertebrates at the family level exhibit a nested pattern of diversity best predicted by the permanence of ponded water in wetlands.

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Section: Discussionmentioning

confidence: 99%

Section: Shredders Gatherers Engulfers Filterersmentioning

confidence: 98%

mentioning

confidence: 99%

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Pond permanence is a key determinant of aquatic macroinvertebrate community structure in wetlands

Gleason

Rooney

2017

Freshwater Biology

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“…Nonetheless, the material present at the bottom of the streams may be resuspended, causing a decrease in primary productivity with increased conductivity (Boyer et al, 2009). Resuspension may occur through water flow changes or even through the wind (Esteves & Suzuki, 2011) and species such as fish and other organisms that revolve the stream bottom seeking for food (Maurer et al, 2014). Moreover, more turbid environments are expected to have lower primary productivity (Liu et al, 2008;Izagirre et al, 2009).…”

Section: Discussionmentioning

confidence: 99%

Relative influence of direct and indirect environmental effects on sestonic chlorophyll-a concentration in Cerrado streams

et al. 2015

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Aim: Chlorophyll-a may be directly influenced by local variables and/or indirectly by land use and cover, once landscape modifications change limnological variables, which in turn affect the primary productivity of aquatic environments, e.g., streams. Therefore, the objective of this study was to determine the relative importance of the local and landscape environmental components and assess the direct and indirect effects of these variables on sestonic chlorophyll-a concentration in 30 Cerrado streams (Santa Teresa River basin). Results All aquatic environments were oligotrophic during the study period. Only the local variables were important to explain chlorophyll-a variation (R2 = 0.27; P = 0.04). In addition, the path analysis showed that all variables used in the analysis influenced chlorophyll-a concentration more directly than indirectly. Conductivity was the most important variable to directly influence chlorophyll-a, followed by turbidity. Conclusion The large amount of remnant native vegetation in the basin indicates that the region studied is well preserved, which may explain the greater importance of local variables and the low effect of the landscape in explaining chlorophyll-a variation.

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“…Changes in water regimes, along with the installation of drainage systems that may connect historically isolated wetlands to other water inputs, are linked to the presence and increase in benthivorous and planktivorous fish populations in areas where fish abundance used to be low ). This can have dramatic effects on turbidity levels, plant communities, and macroinvertabate populations (Zimmer et al 2001, Maurer et al 2014 , Scheffer et al 2001) and reduced habitat for breeding marsh birds.…”

Section: Discussionmentioning

confidence: 99%

Migrating and breeding bird use of restored shallow lakes in Iowa

Vanausdall

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Direct and Indirect Effects of Fish on Invertebrates and Tiger Salamanders in Prairie Pothole Wetlands

Cited by 27 publications

References 29 publications

Pond permanence is a key determinant of aquatic macroinvertebrate community structure in wetlands

Pond permanence is a key determinant of aquatic macroinvertebrate community structure in wetlands

Relative influence of direct and indirect environmental effects on sestonic chlorophyll-a concentration in Cerrado streams

Migrating and breeding bird use of restored shallow lakes in Iowa

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