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Population Size - Coggle Diagram
Population Size
Symbiosis
Amensalism
0/-
Neutralism
0/0
Commensalism
0/+
Competition
-/-
Mutualism
+/+
Predation/Parasitism
+/-
(Births - Deaths) + (Immigration - Emigration) = N
Total Fertility Rate
Reproductive Base
Pre-reproductive Individuals
Reproductive Individuals
Replacement Fertility Rate
Age Structure
Population Density
Density Depedent
Disease
Competition
Predation
Limiting Factors
Density Independent
Disasters
Weather
Climate
Limiting Factors
Growth Rate
Exponential Growth
G = r x N
Nt = No X e^(rt)
r-selection
low population density
abundant resources
K-selection
near carrying capacity
Logistic Growth
G = (r x N) x ((K - N)/K)
Biotic Potential
Survivorship Curve
Type I
Die Old
Type II
Steady Death Rate
Type III
Die Young
Demographic Transition Model
Stage 1: Preindustrial
Stage 2: Transitional
Stage 3: Industrial
Stage 4: Postindustrial
Ecological Footprint
Consumption
Development
Biosphere
Organism
Community
Biome
Ecosystem
Population