Initiatives, Research Matthew Gray Initiatives, Research Matthew Gray

Resilient and Connected Landscapes

The Nature Conservancy’s Resilient and Connected Landscapes project is the first study to comprehensively map resilient lands and significant climate corridors across Eastern North America. Released in October 2016, the study took eight years to complete, involved 60 scientists, and developed innovative new techniques for mapping climate-driven movements.

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Thinking Like a Grassland: Challenges and Opportunities for Biodiversity Conservation in the Great Plains of North America

by David Augustine, Ana Davidson, Kristin Dickinson, Bill Van Pelt

The current complex pattern of land ownership and use of Great Plains grasslands challenges native species conservation. Approaches to managing both public and private grasslands, frequently focused at the scale of individual pastures or ranches, limit opportunities to conserve landscape-scale processes such as fire, animal movement, and metapopulation dynamics. Using the US National Land Cover Database and Cropland Data Layers for 20112017, we analyzed land cover patterns for 12 historical grassland and savanna communities (regions) within the US Great Plains. Read more

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The Nested Hexagon Framework

The world’s digital GIS data is like a huge library with no index, and books of every conceivable topic scattered in random piles. The problem is not a lack of data, it is a lack of organization. The Nested Hexagon Framework (NHF) can provide a solution to this lack of organization. By providing a global, standardized, multiscale grid to reference and summarize datasets, the NHF can serve as an annotated spatial index to make datasets more discoverable and provide summaries of the information known about an area. Read more …

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Protecting our prairies: Research and policy actions for conserving America’s grasslands

Grasslands are among the most endangered ecosystems in the world. They supply vital resources for society, support an abundance of wildlife species, and store rich carbon reserves beneath their surfaces. Despite this, only a fraction of original grasslands in the United States now remains, and their rate of conversion to cropland has recently reaccelerated. This paper discusses opportunities that are immediately available to reduce the loss of U.S. native grasslands (i.e., prairie) and advance toward collective goals in grassland conservation. Read More …

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Grazing Like It's 1799: How Ranchers Can Bring Back Grassland Birds

by Hannah Waters, National Audubon Society

Total grassland bird species have declined 40% since 1966: a loss attributable to the fact that more than 60% of North American grasslands have been lost to land conversion and consumption. Audubon’s North American Grasslands & Birds Report not only identifies the most vulnerable species and grassland areas, the Report identifies an unlikely yet promising solution: grazing.

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Habitat Climate Change Vulnerability Index Applied to Major Vegetation Types of the Western Interior United States

from NatureService:

We applied a framework to assess climate change vulnerability of 52 major vegetation types in the Western United States to provide a spatially explicit input to adaptive management decisions. Several from the 52 include prairies of the western Great Plains and Chihuahuan Desert. The framework addressed climate exposure and ecosystem resilience; the latter derived from analyses of ecosystem sensitivity and adaptive capacity. Continue reading …

Read more about the index here.

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North American Grasslands Alliance: A Framework for Change

Stemming out of the North American Free Trade Agreement, the Commission for Environmental Cooperation (CEC) is a tri-national organization working to execute the North American Agreement on Environmental Cooperation. In 2013, the CEC published a conservation framework focused on the “spine” of North America: the North American grasslands.

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Chihuahuan Desert Grassland Bird Conservation Plan

Published in 2014, the Rocky Mountain Bird Observatory’s (RMBO) Conservation Plan for the Chihuahuan Desert is the result of a direct partnership with the Rio Grande Joint Venture (RGJV). The RGJV commissioned the RMBO to center a comprehensive addition to the RGJV’s current plan around five priority bird species: the Baird’s Sparrow, Chestnut-collared Longspur, Lark Bunting, Loggerhead Shrike and Sprague’s Pipit.

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“New research finds ranchers consider diverse factors in managing their land,”

Conserving “working wetlands” is difficult without ranchers’ buy-in to solutions, however, the ranchers’ input is often absent from discussion. This study, published by the Intermountain West Joint Venture in collaboration with Virginia Tech, University of Montana, and Partners for Conservation, collected information from ranchers to find out what factors they consider in managing their land.

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North American Grasslands & Birds Report

The 2019 Audubon North American Grasslands & Birds Report evaluated the need for conservation in the age of rising global temperatures. Similar to the National Fish and Wildlife Foundation’s 2016 Business Plan, the Report used representative species especially vulnerable to climate change to identify the areas most susceptible to habitat loss and population declines.

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Continent-Scale Landscape Conservation Design for Temperate Grasslands of the Great Plains and Chihuahuan Desert

The North American Intergovernmental Committee on Cooperation for Wilderness and Protected Areas Conservation (NAWPA) held discussions from 2015-2017 to analyze the state of North American grasslands and their future resiliency. In support of these conversations, NatureServe, a Virginia-based conservation resource nonprofit, published a conservation plan with NAWPA and alongside other conservation groups such as the Nature Conservancy of Canada, the Texas Parks and Wildlife Department, the USGS Gap Analysis program, and others.

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The Plowprint Report: 2018

"Plow-up decreases overall, while South Dakota’s grasslands are converted at an accelerating rate” reads the WWF’s 2018 Plowprint Report. The annual publication is a concise summary examining the general state of US grasslands and grassland conservation from the year prior: in this case, 2017 grassland data and information were used to synthesize the report.

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Ecoregional Conservation Assessment of the Chihuahuan Desert

The Chihuahuan Desert Ecoregion has been subject to livestock grazing for hundreds of years given its lengthy civilized history. This assessment by Pronatura Noreste in partnership with The Nature Conservancy, and the World Wildlife Fund is an extensive report on the “most robust dataset possible on the state of conservation projects throughout the Desert.

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Grassland Assessment

of North American Great Plains Migratory Bird Joint Ventures, Prairie Potholes.

Another effective collaborative conservation effort, the Prairie Pothole joint venture recently led an assessment of critical grasslands to address land degradation and subsequent declines in migratory bird populations. The team used satellite landcover data to carry out the assessment and reached concerning findings about the decline of PUDL (potentially undisturbed land).

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Case Study: Increasing Capacity

from the Ranchers Stewardship Alliance

It can be difficult to encourage farmers to farm sustainably while helping them achieve a profit at the same time. A prime example of community-based conservation, the Ranchers Stewardship Alliance (RSA) is a cooperative working to simultaneously support both farmers and the sagebrush ecosystem in Phillips County, Montana.

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