Ecology test Flashcards
Succession
Series communities that occupies a new land area
primary succession
Succession begins with no soil, like basically bare rock.
Secondary succession
succession beginning with soil but no life
pioneer species
first species to invade a barren area.
Climax community
considered “permanent” last community in succession chain
eutrophication
process of succession in a lake, clear colored lakes become dirty and shallow
limiting nutrient
one thing a population lacks, and if they have it they grow quickly.
limiting nutrients for Algae
Phosphorus and Nitrogen
primary productivity
total food produced in one yr by an ecosystem
everything depends on ths
Semelparous
Big bang reproduction, like ex. salmon
Iteroparous
Repeated reproduction like dogs and people.
basically mammals
Cohort
members of a pop born in the same year
Mark recapture
method for estimating a population size
biome
ecosystem type, like a rain forest or a forest
Sources of Extra N and P
N comes from fertilizers or human wastes, P comes from detergents.
