(par 3. 1.1) Energy in Ecosystems (taken from Wikipedia)
Energy in Ecosystems http://en.wikibooks.org/wiki/Ecology/Energy_in_ecosystems An example of the concept of energy flow through trophic levels of a food chain. There are several different factors that control the primary productivity of energy and biomass flow. Energy flow is the amount of energy that moves through a food chain. The energy input, or energy that enters the […]
(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 […]