Ecosystem Structure and Population Flashcards
Anthropogenic
human-caused chemical weathering
What are the properties of soil determined by
Parent Material, Topography, Climate, Organisms, time
What is topography
slope, landscape
Friability
physical test breakability
Shrink swell
physical test change in volume
porosity
the rate that water and air can move through between spaces
permeability
how fast does water/air go down
PH
acidity
Nitrogen
Easy leach out
repel soil (-)
Phosphorus
Strong root growth
no leach
not deficient
Potassium
Fruit, plant growth
break down slow
not deficient
What are extinction rates
100 to 10,00% higher
what is biodiversity
variety of species
variety of ecosystems
levels of biodiversity
Functional
Ecological
Species
Genetic
how to measure biodiversity
Richness
Evenness
What is species richness
number of species
How did the earth become biodiverse
Speciation
Bottleneck effect
reduction in population size due to human or environment
Founder effect
number of individuals colonize a place and become different
what is kcal
energy
what is m^2
area
what is yr
time
what is primary productivity
rate of photosynthesis
what does high productivity mean
high plant growth
