Ecosystems are dynamic entities made up of several interactive biotic and abiotic factors that determine their production and productivity levels. Equally complex are the ecological processes that govern ecosystem ...

Newscientific evidence indicates that many global ecosystems are reaching dangerous thresholds that raise the stakes for policymakers 0NWI, 2001). For example,the Arctic ice cap has already thinned by 42 percent, and 27 ...

Increasing destruction and degradation of the natural resource base in the sand-duned landscapes of North Horr, Marsabit District, northern Kenya, are jeopardising efforts towards sustainable economic development. The ...