Overgrazing turning parts of Mongolian Steppe into desert

Overgrazing by millions of sheep and goats is the primary cause of degraded land in the Mongolian Steppe, one of the largest remaining grassland ecosystems in the world, Oregon State University researchers say in a new report.

Effect of fire on birds evaluated

European mountains have experienced a decline in forestry, agricultural and livestock operations over the past 50 years, due to the exodus of rural populations and socioeconomic changes. These areas have become covered by ...

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