The theory for a general equilibrium ecosystem model that can include large number of interacting species is presented … theory is applied using simulations of an eight-species Alaskan marine ecosystem for which a "natural" equilibrium is …

and collective efforts should be made to protect and preserve this naturally-grown ecosystem …

The conservation of biodiversity is a major environmental issue, one that promises to remain at or near the top of the … environmental agenda for the foreseeable future. The loss of biodiversity affects human welfare as well as being lamentable for its … own sake. Humans depend on natural systems to produce a wide variety of ecosystem goods and services, ranging from direct …

(including the global carbon cycle). It reviews theoretical and empirical models of ecosystem dynamics, which are highly …

paths. This report contributes to that goal by looking at the consequences of the loss of biodiversity and ecosystem … economic activity. The report finishes by identifying the main opportunities and obstacles in including biodiversity and eco-system …The topic of biodiversity loss has been the subject of a vast and growing scientific and economic literature. Species …

species it may be a mixed blessing, resulting in damaging ecosystem events, but contributing to primary productivity …