Theory and application of grassland agriculture The grassland ... These results marked the beginning of desert ecosystem restoration projects, such as erosion prevention, and greening initiatives ...

Those of us whose livelihoods depend on grasslands are vitally aware of their value, but many of us who only use the products these ecosystems provide are not. We know that grasslands contain ...

revealing species interactions and community structure, and understanding the dynamics of energy transfer in an ecosystem.

Yet more than one billion people, one-sixth of the Earth's population, actually live in desert regions. Deserts cover more than one-fifth of the Earth's land area, and they are found on every ...

[us bison] [grassland ecosystems] [bison conservation] [wildlife ... the reality of Saudi Arabia's $2 trillion megacity in the desert Historic all-woman space flight to include Katy Perry, Lauren ...