Found 136 datasets matching "historic wetlands".
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Connecticut Historic Shoreline Wetlands: 1880s NOS T-Sheet Shoreline Features is a 1:10,000-scale, line feature-based layer that includes information depicting historic shoreline features and...
Search relevance: 170.24 | Views last month: 0 -
This data release reports water-quantity and water-quality data collected during 2014-2016 by the U.S. Geological Survey (USGS) and in cooperation with the National Park Service (NPS) at the...
Search relevance: 87.95 | Views last month: 0 -
Connecticut Historic Shoreline Wetlands: 1880s NOS T-Sheet Shoreline Features is a 1:10,000-scale, line feature-based layer that includes information depicting historic shoreline features and...
Search relevance: 76.43 | Views last month: 0 -
Connecticut Historic Shoreline Wetlands: 1880s NOS T-Sheet Shoreline Features is a 1:10,000-scale, line feature-based layer that includes information depicting historic shoreline features and...
Search relevance: 75.89 | Views last month: 0 -
The objective of this investigation was to delineate and map all wetlands and associated waterways subject to jurisdiction under Section 404 of the Clean Water Act and all wetlands subject to...
Search relevance: 63.33 | Views last month: 0 -
A collection of story maps to uncover the history of DC's buried streams. Streams, and the aquatic life they support, are precious resources. Like many modern cities, the development history of...
Search relevance: 61.31 | Views last month: 1 -
Excess sediments and anthropogenic nutrients, especially nitrogen (N) and phosphorous (P), are leading cause of water quality impairment in streams and wetlands throughout the Mid-Atlantic Region...
Search relevance: 42.12 | Views last month: 5 -
The data include concentrations of current use pesticides in tissues of larval wood frog (Lithobates sylvaticus) and spotted salamander (Ambystoma maculatum) and the presence of ranavirus in wood...
Search relevance: 41.40 | Views last month: 0 -
From 2004 to 2006, we used a variety of sampling techniques to survey the amphibians of Savannah National Wildlife Refuge (SNWR), a large protected area straddling the lower portions of the...
Search relevance: 37.03 | Views last month: 0 -
From 2002-2006, we used a variety of sampling techniques to survey the amphibians and water chemistry of Lower Suwannee National Wildlife Refuge in Florida’s Big Bend region. We recorded 23...
Search relevance: 36.74 | Views last month: 0 -
Ciénegas, as defined here, are wetlands in arid and semi-arid regions associated with groundwater or lotic components that ideally result in perennial waters on temporal scales of decades to...
Search relevance: 36.69 | Views last month: 4 -
New_Jersey_1971_78_Digitized_Shoreline.zip features a digitized historic shoreline for the New Jersey coastline (Point Pleasant, NJ to Longport, NJ) from 1971 to 1978. Imagery of the New Jersey...
Search relevance: 36.69 | Views last month: 1 -
High-resolution elevation data provide a foundational layer needed to understand regional hydrology and ecology under contemporary and future-predicted conditions with accelerated sea-level rise....
Search relevance: 36.69 | Views last month: 0 -
This data set contains rate of shoreline change statistics for New York State coastal wetlands. Analysis was performed in ArcMap 10.5.1 using historical vector shoreline data from the National...
Search relevance: 36.37 | Views last month: 0 -
This data set contains rate of shoreline change statistics for New York State coastal wetlands. Analysis was performed in ArcMap 10.5.1 using historical vector shoreline data from the National...
Search relevance: 36.27 | Views last month: 0 -
Vegetation and elevation data were collected using a real-time kinematic global positioning system (RTK GPS) in coastal wetlands at the National Park Service’s Timucuan Ecological and Historic...
Search relevance: 35.77 | Views last month: 0 -
This dataset provides location information and some limited attributes of known and potential ciénegas in the Madrean Archipelago ecoregion and closely surrounding area. This was created using...
Search relevance: 35.58 | Views last month: 0 -
This data set contains intersection points used to compute rate of change statistics for New York State coastal wetlands. Analysis was performed in ArcMap 10.5.1 using historical vector...
Search relevance: 35.49 | Views last month: 0 -
The primary objective of these surveys was to capture the complete lichen and bryophyte flora of the Yeon property with focus on the remnant prairies and the salix swamp and report on any rare...
Search relevance: 34.70 | Views last month: 0
