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The Rainwater Basin wetland complex (RWB) provides critical spring migration habitat for millions of waterfowl annually. As the region was settled, the abundant wetlands were drained for agricultural purposes. The ephemeral nature of these wetlands and lack of contemporary data prompted the Rainwater Basin Joint Venture to acquire aerial photography on an annual basis. Imagery was collected during peak waterfowl migration in the spring of 2004 and annually from 2006 to 2021.
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Wetlands are globally important ecosystems that provide critical services for natural communities and human society, such as water storage and filtration, wildlife habitat, agriculture, recreation, nutrient cycling, and carbon sequestration. They are also considered to be among the most sensitive ecosystems to climate change, which will exacerbate the already threatened nature of wetlands due to changes in land-use. In montane regions, wetlands are expected to be particularly susceptible to climate-induced changes, but tools to assess the impacts of climate change are severely limited relative to other ecosystem types. To address the need for quantitative assessment tools we developed projections of climate-induced...
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To relate water levels in our study wetlands to temperature, precipitation, wetland water depth, and amphibian calling activity, we installed one pressure logger in the deepest spot we could find in each wetland. Soon after thawing conditions allowed, we drove a plastic pipe (anchor pipe) into the sediments at the deepest location and secured another pipe to it that contained one pressure logger (Global Water Model 14 and 15 [College Station, TX, USA] or Onset Computer Corporation Model U20-001-04 [Bourne, MA, USA]) suspended approximately 2.5 cm above the sediments. We installed additional individual pressure loggers in the upper part of the logger pipes (in air) at select locations to measure barometric pressure...
These raster files showing wetland areas that were functional during Rainwater Basin Wetland Complex Annual Habitat Survey. Annual Habitat Surveys (AHS) identify areas of wetland ponding and function (ponding and potential hydrophyte vegetation) during spring migration. The information is developed by Rainwater Basin Joint Venture to identifying how much habitat the Rainwater Basin Wetland Complex provides to migratory waterfowl on an annual basis. AHS have been completed for 2004 and 2006-2020 where high-resolution aerial photos of the Rainwater Basin Wetland Complex are classified using an image object classification software to determine land cover (hydrophyte water, agriculture water, hydrophytes, agriculture,...
These raster files showing wetland areas that were ponded during Rainwater Basin Wetland Complex Annual Habitat Survey. Annual Habitat Surveys (AHS) identify areas of wetland ponding and function (ponding and potential hydrophyte vegetation) during spring migration. The information is developed by Rainwater Basin Joint Venture to identifying how much habitat the Rainwater Basin Wetland Complex provides to migratory waterfowl on an annual basis. AHS have been completed for 2004 and 2006-2020 where high-resolution aerial photos of the Rainwater Basin Wetland Complex are classified using an image object classification software to determine land cover (hydrophyte water, agriculture water, hydrophytes, agriculture, or...


    map background search result map search result map Modeling Climate Impacts on the Hydrology of Pacific Northwest Montane Wetland Ecosystems - Final Report Rainwater Basin Wetland Complex Annual Habitat Surveys Rainwater Basin Wetland Complex Annual Habitat Surveys: Annual Function 2004-20 Rainwater Basin Wetland Complex Annual Habitat Surveys: Annual Ponding 2004-20 Seasonal median daily water depths for study wetlands in the Tamarac National Wildlife Refuge, the St. Croix National Scenic Riverway, the North Temperate Lakes Long-term Research area, and the Upper Mississippi River study area from 2008-2012 Rainwater Basin Wetland Complex Annual Habitat Surveys Rainwater Basin Wetland Complex Annual Habitat Surveys: Annual Function 2004-20 Rainwater Basin Wetland Complex Annual Habitat Surveys: Annual Ponding 2004-20 Modeling Climate Impacts on the Hydrology of Pacific Northwest Montane Wetland Ecosystems - Final Report Seasonal median daily water depths for study wetlands in the Tamarac National Wildlife Refuge, the St. Croix National Scenic Riverway, the North Temperate Lakes Long-term Research area, and the Upper Mississippi River study area from 2008-2012