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…Chihuahuan Desert, which is typical of many other drylands around the world. The project builds on studies started in 1915 by the U.S. Department of Agriculture. That early research has…

9810220 Robertson Agricultural activities worldwide are carried out through a combination of biological and chemical management practices. The Kellogg Biological Station (KBS) Long-Term Ecological Research program has been conducting research…

…grazing and climatic regimes. As a result of this complexity, and because grazing and fire regimes are managed in grassland systems worldwide, data from the Konza Prairie LTER program have…

…climate, altering the key drivers of ecological processes in grasslands worldwide, Konza research is increasingly used to address critical global change issues. In this proposal, core Konza experiments and datasets…

…worldwide. Researchers will use intermediate fire return treatments too ask whether observed shrub encroachment under intermediate fire intervals represents a new stable state. Restoration studies will test fundamental ecology theories…

…globally, while concurrently addressing fundamental ecological questions to explain grassland dynamics in a changing world. This award reflects NSF’s statutory mission and has been deemed worthy of support through evaluation…

…dry valleys are among the most extreme deserts in the world. The perennially ice-covered lakes, ephemeral streams, and extensive areas of soil within the valleys are subject to low temperatures,…

Freshwater lakes around the world provide essential ecological and human benefits that range from aquatic habitat to sport and commercial fisheries to safe and reliable drinking water. The goal of…

…to a general advance of knowledge in ecology. While twenty percent of the world population lives in river basins fed by melt waters from snow or glaciers, we know very…

…snowmelt, the amount of water flowing downstream, and the length of the snow-free growing season. While more than one-sixth of the world’s population lives in river basins fed by snow…