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Projected change in human population (2000-2015), by terrestrial ecoregion. We summarized human population change data by ecoregion using the Gridded Population of the World database and projections for 2015 (CIESIN et al. 2005). Projected population change was calculated by summing population data by ecoregion for each of the two time periods (2000 and 2015) and then calculating the difference to estimate growth. These data were derived by The Nature Conservancy, and were displayed in a map published in The Atlas of Global Conservation (Hoekstra et al., University of California Press, 2010). More information at http://nature.org/atlas. Data derived from: Center for International Earth Science Information Network...
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This dataset represents The Nature Conservancy's Terrestrial Resilience symbolized by Geophysical Settings (90m Resilience is also included in the download of this dataset). Resilience concerns the ability of a living system to adjust to climate change, to moderate potential damages, to take advantage of opportunities, or to cope with consequences; in short, its capacity to adapt. In this project we aim to identify the most resilient examples of key geophysical settings (e.g. sand plains, granite mountains, limestone valleys, etc.) to provide conservationists with a nuanced picture of the places where conservation is most likely to succeed over centuries. The project had three parts: 1) identifying and mapping...
Resource agencies are searching for effective methods to prevent the spread of invasive Silver Carp (Hypophthalmichthys molitrix) and Bighead Carp (Hypophthalmichthys nobilis), hereafter bigheaded carps, from the Mississippi River basin into the Laurentian Great Lakes. Elevating carbon dioxide (CO2) concentrations in water within locks and other pinch points is an approach being considered to reduce invasive fish passage. Laboratory studies have shown that bigheaded carps strongly avoid areas of elevated CO2 (Kates et al. 2012; Dennis et al. 2015). Similarly, telemetry studies found that CO2 can be used to exclude bigheaded carps from certain locations (Donaldson et al. 2016) and reduce upstream movement (Cupp et...


map background search result map search result map Geophysical Settings 1000 A Hexagons, Northern Appalachians/Acadians Population Growth, 2000-2015, by Terrestrial Ecoregion Geophysical Settings 1000 A Hexagons, Northern Appalachians/Acadians Population Growth, 2000-2015, by Terrestrial Ecoregion