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Chapter 26: Communuty Ecology (Interconnectedness of Species: Food Chains…
Chapter 26: Communuty Ecology
Beneficial Interactions Between Species
Mutualism
Mutualistic relationship
Facilitation
Nurse plants
Primary succession
Predator-Prey Interactions
Predator Selection Amoung Multiple Prey
Optimal diet model
Optimal foraging theory
Compitition Between Species
Interference competition
Invasion
Resource
Exploration compitition
One Predator, One Prey
Functional response
Prey-dependant
dN/dt = rN – aNP
r = intrinsic rate of of increase in prey
N = number of individuals of prey species
a = predator’s per capita attack rate
P = number of predator individuals present
zero growth incline
prey
Predators
Paradox of Enrichment
Maximum sustained yeild
Fixed effort harvesting
Fixed quota harvesting
Appearent Competition
Interconnectedness of Species: Food Chains and Food Webs
Simplest comunnities
Tropic levels
Primary consumers
Herbivores
Secondary consumers
Carnivores
Primary producers
Cyanobacteria
Aldea
Plants
Food chain
Food web
Energy flow web
Keystone species
Metapopulations in Patchy Environments
Metapopulation
4 assuptions
Some patches are occupied while others aren’t
Empty patches will be colonized by migration from occupied patches
A region has many decrete patches
Sink habitat
Source habitat
Populations within patches have a probability of going extinct within that patch
Fugative species
Assisted dispersal
Diversity
Diversity and Scale
Scale
Species-area relationship
S = cAz
Species abundance distribution
Diversity and Latitude
Checklist
Present species
