Long-term multidecadal data from a prairie-pothole wetland complex reveal controls on aquatic-macroinvertebrate communities

McLean, Kyle I.; Mushet, David; Newton, Wesley E.; Sweetman, Jon N.

doi:10.1016/j.ecolind.2021.107678

Cited by 12 publications

(10 citation statements)

References 74 publications

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“…Such an effect would be attributed to hydroperiod in our models. However, recent work by McLean et al (2021) found limited effect of tiger salamander abundance on invertebrate community composition in fishless prairie pothole wetlands in the well‐studied Cottonwood Lakes Study Area.…”

Section: Discussionmentioning

confidence: 96%

“…Second, across the hydroperiod gradient, wetlands did not differ in their sediment and water chemistry (Appendix S1: Figure S2) and we intentionally selected sites that crossed hydroperiod and land use gradients to statistically control for the effects of landscape context. Though hydrogeologic setting (McLean et al, 2021) and surrounding land use (Anteau, 2012) influence wetland hydroperiod, there is little evidence that land cover surrounding a wetland directly influences wetland invertebrate (Gleason & Rooney, 2017; Tangen et al, 2003), avian (Daniel et al, 2021), or macrophyte (Kraft et al, 2019) community composition. Future modeling could investigate the relative importance of these factors in parsimoniously describing community assembly in PPR wetlands.…”

Section: Discussionmentioning

confidence: 99%

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Functional dispersion of wetland birds, invertebrates, and plants more strongly influenced by hydroperiod than each other

Daniel

Rooney

2022

Ecosphere

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The relative role of biological and abiotic filters in the assembly of co-occurring taxa is of broad interest to ecologists. While some authors point to biological interactions (e.g., competition) as the stronger driver of ecological selection, others assert that abiotic conditions are more important because they filter species at the regional level. Because communities influenced by a dominant abiotic filter (e.g., Prairie Pothole Region [PPR] wetlands, each varying in their ponded water permanence) often have strong cross-taxon relationships, we can study these communities to better understand the relative influence of abiotic versus biotic filters on community structure. Using functional dispersion as our measure of communities, we test six alternate hypotheses about the relative importance of various pathways representing influence of biological and permanence filters on birds, aquatic macroinvertebrates, and wetland plants in the northwest PPR using structural equation modeling. We aimed to understand whether (1) ponded water permanence alone explained functional dispersion; (2) the influence of permanence on functional dispersion was direct or mediated; and (3) abiotic filtering by permanence was stronger than biotic filtering by co-occurring taxa. The best model suggests that there is a direct influence of permanence on the functional dispersion of each taxonomic group and that both bird and macroinvertebrate functional dispersion are causally related to plant functional dispersion, though for invertebrates, the influence of plants is much less than that of permanence. Thus, the relative importance of wetland permanence and the functional dispersion of co-occurring taxa depend on which taxon is considered in PPR wetlands.

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Section: Discussionmentioning

confidence: 96%

Section: Discussionmentioning

confidence: 99%

Functional dispersion of wetland birds, invertebrates, and plants more strongly influenced by hydroperiod than each other

Daniel

Rooney

2022

Ecosphere

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“…The same three hydrologic variables were used in this study to relate the spatial and temporal shifts in hydrologic variability to potential shifts in temporal coherence of communities. Although amphibian and bird communities in prairie-pothole wetlands also show variation along wetland hydroperiod and vegetation gradients (Elliott et al, 2020;McLean et al, 2021), but we chose to restrict our analyses to invertebrate communities because they are less transient than bird communities and have a more ubiquitous distribution among our wetlands than the amphibian taxa.…”

Section: Datamentioning

confidence: 99%

“…McLean et al (2019) used long-term prairie-pothole wetland monitoring data from the Cottonwood Lake study area in North Dakota to assess how aquatic invertebrates respond to hydrological change and found differentiation in aquatic invertebrate community assemblages among wetlands with 10.3389/fevo.2022.897872 differing hydroperiods and during distinct ecohydrological studies. A follow up study using the same wetland dataset used structural equation models to test how a wetlands spatial (i.e., a wetlands relationship to local water flows) and temporal (climatic conditions) setting influence wetland hydrology, vegetative structure, predator communities, and ultimately variation in invertebrate assemblages (McLean et al, 2021). The results indicated that hydrological controls are a key determinant of aquatic invertebrate community assemblages, but 30−40% of the variation observed for invertebrate assemblages was not explained by the model (McLean et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

“…A follow up study using the same wetland dataset used structural equation models to test how a wetlands spatial (i.e., a wetlands relationship to local water flows) and temporal (climatic conditions) setting influence wetland hydrology, vegetative structure, predator communities, and ultimately variation in invertebrate assemblages (McLean et al, 2021). The results indicated that hydrological controls are a key determinant of aquatic invertebrate community assemblages, but 30−40% of the variation observed for invertebrate assemblages was not explained by the model (McLean et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

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Temporal coherence patterns of prairie pothole wetlands indicate the importance of landscape linkages and wetland heterogeneity in maintaining biodiversity

2022

Self Cite

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Wetland ecosystems are diverse, productive habitats that are essential reservoirs of biodiversity. Not only are they home to numerous wetland-specialist species, but they also provide food, water, and shelter that support terrestrial wildlife populations. However, like observed patterns of biodiversity loss, wetland habitats have experienced widespread loss and degradation. In order to conserve and restore wetlands, and thereby the biodiversity they support, it is important to understand how biodiversity in wetland habitats is maintained. Habitat heterogeneity and connectivity are thought to be predominate drivers of wetland biodiversity. We quantified temporal coherence (i.e., spatial synchrony) of wetland invertebrate communities using intra-class correlations among 16 wetlands sampled continuously over 24 years to better understand the relative influences wetland heterogeneity (i.e., internal processes specific to individual wetlands and spatial connectivity and external processes occurring on the landscape) on wetland biodiversity. We found that while wetlands with different ponded-water regimes (temporarily ponded or permanently ponded) often hosted different invertebrate communities, temporal shifts in invertebrate composition were synchronous. We also found the relative importance of internal versus external forces in determining community assembly vary depending on a wetland’s hydrologic function and climate influences. Our results confirm that heterogeneity and spatial connectivity of wetland landscapes are important drivers of wetland biodiversity.

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Wetland occupancy by duck broods in cropland‐dominated landscapes of the United States Prairie Pothole Region

et al. 2022

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The Prairie Pothole Region (PPR) is globally important for breeding waterfowl but has been altered via wetland drainage and grassland conversion to accommodate agricultural land use. Thus, understanding the ecology of waterfowl in these highly modified landscapes is essential for their conservation. Brood occurrence is the cumulative outcome of key life‐history events including pair formation and territory establishment, nest success, and early brood survival. We applied new technological advances in brood surveying methods to understand brood use of wetlands and how land use and wetland‐specific factors influenced brood use of 413 wetlands in crop‐dominated landscapes in the PPR of Iowa, Minnesota, North Dakota, and South Dakota, USA, during summers of 2018–2020. Dynamic occupancy models combining information from 2 visits throughout the year revealed no difference among the 4 states or between private and public lands, resulting in a region‐wide annual wetland occupancy estimate of 0.41 (95% credible interval [CrI] = 0.26, 0.58). We assessed aquatic invertebrate forage availability, wetland and upland vegetation communities, and various water chemistry metrics in a subset (n = 225) of these wetlands to evaluate how landscape and wetland‐specific factors influenced occupancy. The amount of grassland surrounding wetlands was the only variable to influence occupancy at a landscape scale, while wetland size, invertebrates, fish, and vegetation communities influenced occupancy at finer scales. Closer scrutiny of wetland area revealed occupancy was greater in small wetlands after controlling for total wetland area. Our results indicate the greatest constraint on brood occupancy across crop‐dominated landscapes of the PPR in the United States was the occurrence of semipermanent wetlands suitable for brood rearing. Other factors, such as wetland vegetation or surrounding land use, had minor intervening influences on duck brood use and ducks were distributed invariant of wetland ownership or broad spatial processes occurring among states. These results demonstrated wetland conservation and restoration strategies are likely to yield gains in annual duck broods across this vast, altered, and highly modified landscape.

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Long-term multidecadal data from a prairie-pothole wetland complex reveal controls on aquatic-macroinvertebrate communities

Cited by 12 publications

References 74 publications

Functional dispersion of wetland birds, invertebrates, and plants more strongly influenced by hydroperiod than each other

Functional dispersion of wetland birds, invertebrates, and plants more strongly influenced by hydroperiod than each other

Temporal coherence patterns of prairie pothole wetlands indicate the importance of landscape linkages and wetland heterogeneity in maintaining biodiversity

Wetland occupancy by duck broods in cropland‐dominated landscapes of the United States Prairie Pothole Region

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