Ecosystems Ecology Flashcards

4016185656	ecosystems energy budget	the total amount of photosynthetic production; sets the spending limit	0
4016187648	global energy budget	only 1% of light is used for photosynthesis; most hits ice, soil, or water and is reflected or absorbed by water	1
4016197701	net primary production	gross primary production minus the energy used by primary producers	2
4016199538	gross primary production	amount of energy produced by the conversion of sunlight over time	3
4016205348	net ecosystems production	total biomass accumulated over time	4
4016212045	NPP= GPP-Ra	net primary production equation?	5
4016214319	1/2	net primary production is generally how much of gross primary production?	6
4016222392	NEP = GPP-Rt	net ecosystems production equation?	7
4016244146	light, nutrition	what types of limitations for primary production exist in aquatic environments?	8
4016252059	1/2, 15	according to light limitation, ______ of radiation is absorbed in the first _______ m of water	9
4016255669	limiting nutrient	element that must be added for production to increase; in marine environments, for example, this is nitrogen and phosphorus	10
4016262415	O2, clarity	increased algae leads to a decrease in what?	11
4016284282	fish loss	eutrophication leads to what?	12
4016286023	eutrophication	this leads to fish loss; controlling it requires knowledge of the polluting factor	13
4016288290	moisture, temperature	what are the main controlling factors of terrestrial environments?	14
4016290831	high	wet and warm environments have what kind of productivity?	15
4016292448	low	dry, cold, or hot environments have what kind of productivity?	16
4016295455	secondary production	amount of energy in a consumer's food that is converted into new biomass	17
4016301268	1/6	herbivores conserve what fraction of total plant production?	18
4016310177	detritivores	the vast majority of an ecosystem's production is ultimately consumed by what?	19