Ecosystems I Test II

eutrophic
well-nourished
oligotrophic
nutrient-poor
photic zone
zone in aquatic system that light reaches… uppermost zone
phosphorus
this nutrient is the most important contributor to the fertility of most lakes
eutrophication
overproduction of OM within a lake or river
mycorrhizae
symbiotic associations of certain types of fungi with the roots of plants
spacially removed, can be anoxic
how do sediments at lake bottoms behave differently than terrestrial soils?
thermal stratification
vertical mixing is inhibited by ____ ____.
estuaries and salt marshes
these two ecosystems are especially productive