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Chapter 26: Community Ecology (Concepts (A group of species that occur…
Chapter 26: Community Ecology
Concepts
A group of species that occur together at the same time and place
Succession
Climax Community
Community Restoration
Habitat loss and Habitat fragmentation
Diversity
Checklist
Diversity and Scale
Scales matter
Species-area Relationships
S=cAz
Species Abundance Distribution
Diversity and Latitude
The higher the latitude the lower the diversity
Predator-Prey Interactions
One Predator, One Prey
Functional Response
Prey-dependent
Zero Growth Isocline
Paradox of Enrichment
Maximum Sustained Yield
Fixed Effort Harvesting
Fixed Quota Harvesting
Predator Selection Among Multiple Prey
Optimal Foraging Theory
Optimal Diet Model
Competition Between Species
Exploitation Competition
Interference Competition
Resources
Invasive
Apparent Competition
Many herbivores will eat a variety of plants
The plants are not actually competing for and using a resource
Beneficial Interactions Between Species
Mutualism Relationship
Facilitates
Facilitation
Nurse Plants
Primary Succession
Metapopulations in Patchy Environments
If several local populations are interconnected by migration and gene flow between the patches, the local populations
Source Habitat vs a Sink Habitat
Fugitive Species
Interconnectedness of Species: Food Chains and Food Webs
Food Chain
Food Web
Energy Flow Web
Keystone Species
Plants and People: Some Laws to Protect Species Have Harmful Consequences
Treaties to protect endangered species often do more harm than good
the goal of CITES was to regulate this trade
CITES has a provision for scientific collectors but it is difficult to use
Plants Do Things Differently: Plants and Animals Are Different Kinds of Prey
"Be sure to pull the roots"
Plants and Animals Respond Differently as Prey
Animals can fight back plants can not
