(par 1.3.2) Closed Ecological System (taken from Wikipedia)
Closed ecological system http://en.wikipedia.org/wiki/Main_Page From Wikipedia, the free encyclopedia Closed ecological systems (CES) are ecosystems that do not rely on matter exchange with any part outside the system. The term is most often used to describe small manmade ecosystems. Such systems are scientifically interesting and can potentially serve as a life support system during space flights, in space stations or space habitats.[1] In a closed ecological […]
(par 1.3.1) System (taken from Wikipedia)
System http://en.wikipedia.org/wiki/System From Wikipedia, the free encyclopedia A system is a set of interacting or interdependent components forming an integrated whole.[1] Every system is delineated by its spatial and temporal boundaries, surrounded and influenced by its environment, described by its structure and purpose and expressed in its functioning. Fields that study the general properties of systems include systems […]
(par 1.2) Land, Water, Forests & Food Security – They’re All Connected
Land, Water, Forests& Food Security: They’re All Connected http://www.worldbank.org/en/news/feature/2012/09/14/land-water-forests-food-security-all-connected STORY HIGHLIGHTS Agriculture accounts for more than two-thirds of the world’s freshwater use, and it is contributing to deforestation. A 70% expansion to feed the world cannot follow the practices of the past and still be sustainable. A landscape approach recognizes that agriculture, water, forests, and […]