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Flood reduction through wetand restoration: the Upper Mississippi River Basin as a case history. Synopsis: This article outlines how wetlands can significantly reduce flooding in the Upper Mississippi watershed. The authors first provide a historical context by estimating the original and lost wetland storage capacities of the Upper Mississippi and Missouri River Basins. Historically, about 10% of the basin would have been classified as wetland in 1780. By 1980, wetland acreage had been reduced to only 4% of the basin, representing about 26 million acres of wetlands eliminated since 1780. The area of wetland restoration required to reduce the risk of future flooding adequately was estimated based on the total amount of excess floodwater beyond bank-full discharge that passed through the City of St. Louis during... Categories: Publication; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Illinois, Iowa, Kansas, Minnesota, Missouri, All tags... Montana, Natural cover amount, Nebraska, North Dakota, South Dakota, Upper Mississippi floodplains, Wisconsin, Wyoming, flooding, meso-regional, water quality, wetland extent, Fewer tags The cumulative effect of wetlands on stream water quality and quantity. A landscape approach. Conclusions:Wetland extent, proximity of wetlands to the sampling station, and the position of a wetland in a watershed (downstream wetlands have greater influence on water quality) influence water quality.Thresholds/Learnings: Categories: Publication; Types: Citation; Tags: Land use configuration, Minnesota, Natural cover amount, agriculture, meso-regional, All tags... water quality, wetland extent, wetland position, wetlands, wetlands, Fewer tags The value of wetlands: importance of scale and landscape setting. Conclusions:Wetlands and riparian zones should be strategically placed in watersheds to optimize nitrogen removal, as, for example, in tile-drained farmlands prone to high concentrations of nitrateThresholds/Learnings:Restoring 10 million hectares of riparian zones and wetlands, representing 3.4% of the Mississippi River basin, would reduce nitrogen in the Mississippi River Basin and its tributaries by an average of 40% Categories: Publication; Types: Citation; Tags: Illinois, Iowa, Kansas, Land use configuration, Landscape fragmentation, All tags... Minnesota, Mississippi River basin, Missouri, Montana, Natural cover amount, Natural cover heterogeneity, Nebraska, North Dakota, South Dakota, Wisconsin, Wyoming, meso-regional, nitrogen uptake, riparian systems, water quality, wetland position, wetlands, Fewer tags Nitrate retention in riparian ground water at natural and elevated nitrate levels in north central Minnesota The relationship between local ground water flows and NO(3)(-) transport to the channel was examined in three well transects from a natural, wooded riparian zone adjacent to the Shingobee River, MN. The hillslope ground water originated as recharge from intermittently grazed pasture up slope of the site. In the hillslope transect perpendicular to the stream, ground water NO(3)(-) concentrations decreased from approximately 3 mg N L(-1) beneath the ridge (80 m from the channel) to 0.01 to 1.0 mg N L(-1) at wells 1 to 3 m from the channel. The Cl(-) concentrations and NO(3)/Cl ratios decreased toward the channel indicating NO(3)(-) dilution and biotic retention. In the bankside well transect parallel to the stream,... Categories: Publication; Types: Citation; Tags: Agriculture, Carbon, Environmental Monitoring, Minnesota, Nitrates, All tags... Oxygen, Rivers, Water Movements, Water Pollutants, Water Supply, temperature, Fewer tags Historical Stream Fish Distribution Database for the Conterminous United States (1950-1990): IchthyMaps Fish occurrence data to support high-resolution distribution models and test various community and macroecological hypotheses have not been available at the national scale. We present IchthyMaps, a database of high-quality historical fish occurrences covering fishes of the conterminous United States. Designed on the principles of metacommunity ecology, IchthyMaps is a compilation of presence records from atlases up to 1990, at the resolution of the 1:100,000 National Hydrography Database Plus (NHDPlus) inter-confluence stream segment, readily aggregated into hierarchically coarser units (e.g. hydrologic unit code 8-digit and 12-digit watersheds). IchthyMaps contains about 606,550 presence records for 1,038 species... Categories: Data, Publication; Types: Citation; Tags: Alabama, Arizona, Arkansas, Biological Data, Biological sampling, All tags... California, Colorado, Connecticut, Conterminous United States, Deleware, District of Columbia, Ecological distribution, Florida, Freshwater fishes, Georgia, Historical data, Historical data, Idaho, Illinois, Indiana, Kansas, Kentucky, Lentic, Lotic, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, NFHP Cooperator, NHDPlusV2, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, NoVisual, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Spatial Data, Spatial distribution, Species presence, Species presence, Tennessee, Texas, USGS Science Data Catalog (SDC), United States, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming, Fewer tags Publication: A Semi-Automated, Multi-Source Data Fusion Update of aWetland Inventory for East-Central Minnesota Comprehensive wetland inventories are an essential tool for wetland management, but developing and maintaining an inventory is expensive and technically challenging. Funding for these efforts has also been problematic. Here we describe a large-area application of a semi-automated processused to update a wetland inventory for east-central Minnesota. The original inventory for this area was the product of a laborintensive, manual photo-interpretation process. The present application incorporated high resolution, multi-spectral imagery from multiple seasons; high resolution elevation data derived from lidar; satellite radar imagery; and other GIS data. Map production combined image segmentation and random forest classification... Categories: Data, Publication; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2010, 2010, 2011, 2011, 2012, All tags... 2012, 2013, 2014, 2014, Academics & scientific researchers, Conservation NGOs, Conservation Planning, EARTH SCIENCE > LAND SURFACE > LANDSCAPE, Federal resource managers, Great Lakes, LCC, LCC Network Science Catalog, Landscape Conservation Cooperatives, Map, Publication, Regional & county planners, State agencies, Tribes, Upper Midwest and Great Lakes Landscape Conservation Cooperative, Wetlands, completed, environment, environment, maps, minnesota, upper midwest, wisconsin, Fewer tags UMRR Pool 04 Topobathy Separate data for floodplain elevation and bathymetry were collected on the Upper Mississippi River System (UMRS) by the US Army Corps of Engineers (USACE), Upper Mississippi River Restoration (UMRR) program. While many information needs can be met by using these data separately, in many cases seamless elevation data across the river and its floodplain are needed. This seamless elevation surface was generated by merging lidar (i.e., floodplain elevation) and bathymetry data. Merging the data required special processing in the areas of transition between the two sources of data. Categories: Data, Publication; Types: Citation, Downloadable, GeoTIFF, Map Service, Raster; Tags: Minnesota, Mississippi River, Navigation Pool 03, Navigational Pool 04, Upper Mississippi River, All tags... Wisconsin, bathymetry, lidar, topobathy, Fewer tags Nitrate retention in riparian ground water at natural and elevated nitrate levels in north central Minnesota The relationship between local ground water flows and NO(3)(-) transport to the channel was examined in three well transects from a natural, wooded riparian zone adjacent to the Shingobee River, MN. The hillslope ground water originated as recharge from intermittently grazed pasture up slope of the site. In the hillslope transect perpendicular to the stream, ground water NO(3)(-) concentrations decreased from approximately 3 mg N L(-1) beneath the ridge (80 m from the channel) to 0.01 to 1.0 mg N L(-1) at wells 1 to 3 m from the channel. The Cl(-) concentrations and NO(3)/Cl ratios decreased toward the channel indicating NO(3)(-) dilution and biotic retention. In the bankside well transect parallel to the stream,... Categories: Publication; Types: Citation; Tags: Agriculture, Carbon, Environmental Monitoring, Minnesota, Nitrates, All tags... Oxygen, Rivers, Water Movements, Water Pollutants, Water Supply, temperature, Fewer tags Stream flow in Minnesota: Indicator of climate change Summary Stream flow records (up to the year 2002) from 36 USGS gauging stations in five major river basins of Minnesota were studied. Seven annual stream flow statistics were extracted and analyzed: mean annual flow, 7-day low flow in winter, 7-day low flow in summer, peak flow due to snow melt runoff, peak flow due to rainfall as well as high and extreme flow days (number of days with flow rates greater than the mean plus one or two standard deviations, respectively). The Mann–Kendal non-parametric test was used to detect significant trends over time windows from 90 to 10 years in combination with the Trend Free Pre-Whitening (TFPW) method for correcting time series data for serial correlation. Streamflows in the... Categories: Publication; Types: Citation; Tags: Climate, Data Visualization & Tools, Landscapes, Mann–Kendal test, Minnesota, All tags... Northeast CASC, Other Landscapes, Precipitation, Science Tools For Managers, Streamflow trend analysis, Fewer tags UMRR Pool 09 Topobathy Separate data for floodplain elevation and bathymetry were collected on the Upper Mississippi River System (UMRS) by the US Army Corps of Engineers (USACE), Upper Mississippi River Restoration (UMRR) program. While many information needs can be met by using these data separately, in many cases seamless elevation data across the river and its floodplain are needed. This seamless elevation surface was generated by merging lidar (i.e., floodplain elevation) and bathymetry data. Merging the data required special processing in the areas of transition between the two sources of data. Categories: Data, Publication; Types: Citation, Downloadable, GeoTIFF, Map Service, Raster; Tags: Iowa, Minnesota, Mississippi River, Navigation Pool 03, Navigational Pool 09, All tags... Upper Mississippi River, Wisconsin, bathymetry, lidar, topobathy, Fewer tags UMRR Pool 05 Topobathy Separate data for floodplain elevation and bathymetry were collected on the Upper Mississippi River System (UMRS) by the US Army Corps of Engineers (USACE), Upper Mississippi River Restoration (UMRR) program. While many information needs can be met by using these data separately, in many cases seamless elevation data across the river and its floodplain are needed. This seamless elevation surface was generated by merging lidar (i.e., floodplain elevation) and bathymetry data. Merging the data required special processing in the areas of transition between the two sources of data. Categories: Data, Publication; Types: Citation, Downloadable, GeoTIFF, Map Service, Raster; Tags: Minnesota, Mississippi River, Navigation Pool 03, Navigational Pool 05, Upper Mississippi River, All tags... Wisconsin, bathymetry, lidar, topobathy, Fewer tags Regional climate change adaptation strategies for biodiversity conservation in a midcontinental region of North America Categories: Publication; Types: Citation; Tags: Climate models, Conservation planning, Data Visualization & Tools, Landscapes, Minnesota, All tags... Northeast CASC, Other Landscapes, Reserve design, Scenario planning, Science Tools For Managers, Fewer tags UMRR Pool 08 Topobathy Separate data for floodplain elevation and bathymetry were collected on the Upper Mississippi River System (UMRS) by the US Army Corps of Engineers (USACE), Upper Mississippi River Restoration (UMRR) program. While many information needs can be met by using these data separately, in many cases seamless elevation data across the river and its floodplain are needed. This seamless elevation surface was generated by merging lidar (i.e., floodplain elevation) and bathymetry data. Merging the data required special processing in the areas of transition between the two sources of data. Categories: Data, Publication; Types: Citation, Downloadable, GeoTIFF, Map Service, Raster; Tags: Minnesota, Mississippi River, Navigation Pool 03, Navigational Pool 08, Upper Mississippi River, All tags... Wisconsin, bathymetry, lidar, topobathy, Fewer tags UMRR Pool 05a Topobathy Separate data for floodplain elevation and bathymetry were collected on the Upper Mississippi River System (UMRS) by the US Army Corps of Engineers (USACE), Upper Mississippi River Restoration (UMRR) program. While many information needs can be met by using these data separately, in many cases seamless elevation data across the river and its floodplain are needed. This seamless elevation surface was generated by merging lidar (i.e., floodplain elevation) and bathymetry data. Merging the data required special processing in the areas of transition between the two sources of data. Categories: Data, Publication; Types: Citation, Downloadable, GeoTIFF, Map Service, Raster; Tags: Minnesota, Mississippi River, Navigational Pool 05a, Upper Mississippi River, Wisconsin, All tags... bathymetry, lidar, topobathy, Fewer tags UMRR Pool 07 Topobathy Separate data for floodplain elevation and bathymetry were collected on the Upper Mississippi River System (UMRS) by the US Army Corps of Engineers (USACE), Upper Mississippi River Restoration (UMRR) program. While many information needs can be met by using these data separately, in many cases seamless elevation data across the river and its floodplain are needed. This seamless elevation surface was generated by merging lidar (i.e., floodplain elevation) and bathymetry data. Merging the data required special processing in the areas of transition between the two sources of data. Categories: Data, Publication; Types: Citation, Downloadable, GeoTIFF, Map Service, Raster; Tags: Minnesota, Mississippi River, Navigational Pool 07, Upper Mississippi River, Wisconsin, All tags... bathymetry, lidar, topobathy, Fewer tags Control of Nitrogen Export from Watersheds by Headwater Streams Synopsis: This study summarized results of a comparative 15N-tracer study from a wide variety of sites throughout the United States, to derive general principles related to headwater streams and nitrogen dynamics. Standardized protocols were applied in 12 headwater streams representing a wide diversity of biomes throughout the United States. These sites were part of the Lotic Intersite Nitrogen eXperiment (LINX). The most rapid uptake and transformation of inorganic nitrogen occurred in the smallest streams. Ammonium entering these streams was removed within a few tens to hundreds of meters, primarily through assimilation by microorganisms, sorption to sediments, and nitrification. Nitrate was also removed from... Categories: Publication; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Alaska, Arizona, Kansas, Landscape fragmentation, Michigan, All tags... Minnesota, New Hampshire, New Mexico, North Carolina, Ohio, Oregon, Tennessee, and Puerto Rico, dentritic headwater streams, fragmentation, headwater streams, meso-regional, nitrification, nitrogen export, nitrogen uptake, percent native, small streams, varied, water quality, watershed/riparian, Fewer tags Consequences of habitat loss and fragmentation for wetland amphibian assemblages Landscape-level variables operating at multiple spatial scales likely influence wetland amphibian assemblages but have not been investigated in detail. We examined the significance of habitat loss and fragmentation, as well as selected within-wetland conditions, affecting amphibian assemblages in twentyone glacial marshes. Wetlands were located within ttrban and agricultural regions of central and southwestern Minnesota, USA and were distributed across two ccoregions: tallgrass prairie and northern hardwood forest. We surveyed amphibian assemblages and used a geographic information system to quantify land-use variables at lhree scales: 500, 1000, and 2500 m. Ten species of amphibians were detected, the most abundant... Categories: Publication; Types: Citation, Journal Citation; Tags: Minnesota, Wetlands, amphibians, habitat fragmentation, landscape ecology, All tags... metapopulations, wetlands, Fewer tags UMRR Pool 21 Topobathy Separate data for floodplain elevation and bathymetry were collected on the Upper Mississippi River System (UMRS) by the US Army Corps of Engineers (USACE), Upper Mississippi River Restoration (UMRR) program. While many information needs can be met by using these data separately, in many cases seamless elevation data across the river and its floodplain are needed. This seamless elevation surface was generated by merging lidar (i.e., floodplain elevation) and bathymetry data. Merging the data required special processing in the areas of transition between the two sources of data. Categories: Data, Publication; Types: Citation, Downloadable, GeoTIFF, Map Service, Raster; Tags: Illinois, Minnesota, Mississippi River, Missouri, Navigation Pool 03, All tags... Navigational Pool 21, Upper Mississippi River, Wisconsin, bathymetry, lidar, topobathy, Fewer tags UMRR Pool 13 Topobathy Separate data for floodplain elevation and bathymetry were collected on the Upper Mississippi River System (UMRS) by the US Army Corps of Engineers (USACE), Upper Mississippi River Restoration (UMRR) program. While many information needs can be met by using these data separately, in many cases seamless elevation data across the river and its floodplain are needed. This seamless elevation surface was generated by merging lidar (i.e., floodplain elevation) and bathymetry data. Merging the data required special processing in the areas of transition between the two sources of data. Categories: Data, Publication; Types: Citation, Downloadable, GeoTIFF, Map Service, Raster; Tags: Illinois, Iowa, Minnesota, Mississippi River, Navigation Pool 03, All tags... Navigational Pool 13, Upper Mississippi River, Wisconsin, bathymetry, lidar, topobathy, Fewer tags A 20-year Landsat water clarity census of Minnesota's 10,000 lakes A 20-year comprehensive water clarity database assembled from Landsat imagery, primarily Thematic Mapper and Enhanced Thematic Mapper Plus, for Minnesota lakes larger than 8 ha in surface area contains data on more than 10,500 lakes at five-year intervals over the period 1985–2005. The reliability of the data was evaluated by examining the precision of repeated measurements on individual lakes within short time periods using data from adjacent overlapping Landsat paths and by comparing water clarity computed from Landsat data to field-collected Secchi depth data. The agreement between satellite data and field measurements of Secchi depth within Landsat paths was strong (average R2 of 0.83 and range 0.71–0.96). Relationships... Categories: Publication; Types: Citation; Tags: Ecoregion, Landsat, Minnesota, Northeast CASC, Other Landscapes, All tags... Regional, Remote sensing, Secchi depth transparency, Trophic-state index, Water clarity, Water clarity trends, Water quality, Fewer tags 1 2 »