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Rich fens are groundwater dependent, mineral-rich wetlands that support diverse plant assemblages and high densities of rare species. Despite their conservation importance, fens are threatened by habitat loss, altered nutrient regimes, invasive species, and groundwater extraction. Fen conservation is hindered by limited inventory efforts. We used maximum entropy modeling (maxent) to estimate fen distribution...
We evaluated the effects of hydrologic setting on the growth sensitivity of two conifer species to recent atmospheric climatic variability and change in a region experiencing a warming (annual Tmin: 0.07°C/decade) and wetting trend (total annual PPT 9.8mm/decade; 1911–2012). Tree-ring chronologies were constructed for the boreal disjunct balsam fir (Abies balsamea; n=72; 1916–2012) and range-centered...
Groundwater-fed calcareous wetlands (fens) support diverse plant assemblages including rare species and boreal disjuncts, yet factors structuring related microclimatic and plant community variation have not been thoroughly examined. We investigated factors influencing microclimate variation in temperate fens relative to uplands and examined associated plant compositional gradients within fens. Large...
Current wetland mitigation practices do not fully recover wetland function, often due to poor mitigation site selection. Improved mitigation site selection methods are needed to efficiently assess the suitability and quality of potential wetland mitigation sites at broad spatial scales. We present a novel application of maximum entropy-based predictive distribution models coupled with a patch-based...
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