Data and Tools

Biology and Ecosystems

Learn more about research and monitoring on freshwater, terrestrial, and marine ecosystems and the fish and wildlife within them. Healthy ecosystems provide our society with essential ecosystem services, such as crop pollination, water and air purification, harvestable populations of fish and wildlife, soil replenishment, pest control, and nutrient cycling.

Filter Total Items: 327
Date published: January 18, 2018

DATA RELEASE - Long-term Experimental Forest Growth and Drought Data

Forests around the world are experiencing severe droughts and elevated competitive intensity due to increased tree density. These data were compiled to represent multi-decadal forest growth across eight different experimental forests in the United States, each with replicated levels of density treatments, as well as an important drought index correlated to growth.

Date published: January 17, 2018

Percent Edge Tool

The Percent Edge Tool is an ArcMap tool. The Percent Edge Tool performs the following calculations for each polygon in a polygonal GIS layer: area, compactness, perimeter, edge lengths with adjacent polygons, and percentage of edge with adjacent polygons. This information can then be summarized into a pivot table and queried.

Date published: January 17, 2018

A Tool for Prioritizing Management Units at Morris Wetland Management District

Where are most important places to direct conservation effort? Such a simple question is not answered simply. There are a myriad of priorities, constraints, and capacities, both scientific and socio-economic, which in combination guide the allocation of management effort. An honest accounting of these priorities, constraints, and capacities is essential for efficient, effective action.

Date published: January 17, 2018

LINK: ArcGIS Tools for Conservation Planning

  •  Allows managers and planners to rapidly assess landscape attributes and link these attributes with species/habitat information
  • Provides resource managers a means to compare the conservation potential of local management units with that of the surrounding county, state, or region
  • Can be applied to any taxa or suite of taxa and any landscape, given that spatial data.
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Date published: January 17, 2018

Split By Attribute Tool

  • The Split By Attribute Tool is a customization of ArcMap.
  • The tool takes a single shapefile and splits it into many shapefiles based on the unique values of a chosen field.
  • If the user has made a selection on a shapefile, then only those features that have been selected will be split.
  • Each output layer will named with the following structure: user supplied base
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Date published: January 17, 2018

Census Stop Tool

  • The Census Stop Tool is a GIS tool that creates random points along a line layer while maintaining a minimum distance between points.
  • The user has the option of selecting one of two random point placement methods.
  • The Census Stop Tool is available as an ArcMap 9.x extension.
  • This tool is designed to facilitate road based surveys by reducing the potential for
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Date published: January 17, 2018

Adjacency For WinBUGS Tool

  • The Adjacency For WinBUGS Tool is a customization of ArcMap.
  • The tool iteratively processes each polygon within a selected layer and creates a text file of polygonal adjacency where each polygon is identified by a unique Adj_ID value.
  • The output of this tool is used in WinBUGS (MRC Biostatistics Unit Cambridge) by the car.normal, car.l1, and mv.car conditional
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Date published: January 17, 2018

Spatial Data Query Tool - Upper Mississippi River

The Upper Mississippi River Restoration (UMRR) Program Long Term Resource Monitoring (LTRM) element has collected millions of records of information over 20+ years. Fisheries, water quality, vegetation, and invertebrates have all been sampled. Geographic locations were collected for all sampling points. 

Date published: January 17, 2018

Data associated with a dye tracer study in the auxiliary lock at Lock and Dam 14 on the Mississippi River near Pleasant Valley, Iowa, June 2017

These data were collected in support of a multi-agency effort to evaluate the feasibility of using carbon dioxide to create a barrier and prevent upstream passage of invasive fish through navigational locks. The auxiliary lock at Lock and Dam 14 on the Mississippi River near Pleasant Valley, Iowa, was chosen for a field-scale trial of the carbon dioxide barrier to be conducted in 2018.

Date published: January 15, 2018

Medical Wallet Card for Wildlife Professionals

Biologists working with wildlife may be exposed to a variety of disease agents. NWHC has developed a wallet card that wildlife professionals can carry with them to alert medical personnel about potential exposure to zoonotic diseases. Contact information is provided for the Centers for Disease Control for the occurrence of zoonotic diseases in humans.

Date published: January 8, 2018

Science to Inform Management of Floodplain Conservation Lands under Non-Stationary Conditions

Metrics for characterizing depth, extent, frequency, duration, and timing of inundation through cloud-based maps for use by floodplain managers.

Date published: January 8, 2018

Science to Inform Management of Floodplain Conservation Lands under Non-Stationary Conditions

Metrics for characterizing depth, extent, frequency, duration, and timing of inundation through through cloud-based interactive maps for use by flood plain managers.