(par 3. 4.2) Ecosystem processes
Ecosystem processes affected by sunlight http://www.bcgrasslands.org/grasslands/ecosystemprocesses.htm Ecosystem Processes Energy Flow (from the sun through the system) is the “power” of the system. Water cycling and nutrient cycling are the movements of the elements and compounds that plants and animals need to live and grow Energy Flow Refer to the yellow arrows in the diagram to […]
(par 3. 5 ) Ecosystems & energy-flow
Ecosystems & Energy-flow http://www.econguru.com/fundamentals_of_ecology/ecosystems.html Ecosystems An ecosystem extends a community by involving also the abiotic environment, that is, the physical and chemical environment. Energy flow and nutrient cycling(cycling of chemicals) are significant aspects in understand how ecosystems function. An ecosystem often includes cycles and flows that involve dozens of living things as well as non-living […]
(par 3. 3.3.1) Short-circuiting the phospherous cycle
Short-circuiting the phospherous cycle http://sciblogs.co.nz/crikey-creek/2009/10/09/p-addiction-overdose-and-eutrophication/ P addiction, overdose and eutrophication Daniel Collins We have an addiction problem. The craving for P goes right down to our bones and DNA. I’m not talking about methamphetamines, but phosphorus. We are about 1% phosphorus, by weight. Written as ‘P’ in chemical shorthand, it is an essential building block […]