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Coastal ecosystems are at risk across the globe due to combined effects of sea-level rise and human development. This threat is prevalent in the northeastern USA, where sea levels increase 2-6 mm annually. Much of this coastline is buffered by tidal marsh, directly linking monitoring of this ecosystem to effective coastal management into the future. We estimated local and regional elevations of tidal...
Salt marshes of the northeastern United States are dynamic landscapes where the tidal flooding regime creates patterns of plant zonation based on differences in elevation, salinity, and local hydrology. These patterns of zonation can change quickly due to both natural and anthropogenic stressors, making tidal marshes vulnerable to degradation and loss. We compared several remote sensing techniques...
Hurricane Sandy made landfall in the USA on October 29, 2012 and had devastating impacts on human-dominated landscapes in the mid-Atlantic and New England states, but its effects on tidal marsh habitats remain largely undescribed. We evaluated the short-term resilience (a resistance to change or a rapid return to pre-storm conditions) of tidal marshes on Edwin B. Forsythe National Wildlife Refuge,...
Coastal marshes are one of the world's most productive ecosystems. Consequently, they have been heavily used by humans for centuries, resulting in ecosystem loss. Direct human modifications such as road crossings and ditches and climatic stressors such as sea‐level rise and extreme storm events have the potential to further degrade the quantity and quality of marsh along coastlines. We used an 18‐year...
Subspecific genetic diversity is a source for ongoing evolutionary processes, can be predictive of a population’s ability to respond to conservation challenges, and may represent the raw material for incipient speciation. As such, diagnosable subspecies are increasingly recognized as an important unit for conservation. Differentiating among subspecies can be particularly difficult in ecosystems characterized...
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