Community EcologyCommunity Ecology

DefinedDefined

The distribution, abundance, The distribution, abundance, demographydemography, and , and interactionsinteractions between coexisting between coexisting populationspopulations. .

Genetics of Community EcologyGenetics of Community Ecology

Interactions between populations, due to Interactions between populations, due to genotypicgenotypic (gene allele combinations) and (gene allele combinations) and phenotypicphenotypic (trait expression) characteristics (trait expression) characteristics is keyis key

Community ecology examines Community ecology examines patternspatterns such such as variation in as variation in species richnessspecies richness, equitability, , equitability, productivityproductivity and and food webfood web structure; it also structure; it also examines examines processesprocesses such as predator-prey such as predator-prey population dynamicspopulation dynamics, , successionsuccession, and , and community assembly. Patterns and community assembly. Patterns and processes in turn can be considered in processes in turn can be considered in terms of space and time, at different scalesterms of space and time, at different scales..

Predator-Prey relationshipsPredator-Prey relationships

Species RichnessSpecies Richness The variety of various healthy species The variety of various healthy species

populations in an ecosystem, and populations in an ecosystem, and equitabilityequitability

ProductivityProductivity

How much does a population produce for its How much does a population produce for its communitycommunity

Change in Global Plant Productivity

Posted June 6, 2003

Food websFood webs

SuccessionSuccession

citationscitations http://homepage.mac.com/maktress/images/3.gifhttp://homepage.mac.com/maktress/images/3.gif http://en.wikipedia.org/wiki/Species_richnesshttp://en.wikipedia.org/wiki/Species_richness http://en.wikipedia.org/wiki/http://en.wikipedia.org/wiki/

Image:Carabus_auratus_with_prey.jpgImage:Carabus_auratus_with_prey.jpg http://earthobservatory.nasa.gov/IOTD/view.php?http://earthobservatory.nasa.gov/IOTD/view.php?

id=3519id=3519 http://www.countrysideinfo.co.uk/talks/http://www.countrysideinfo.co.uk/talks/

centre_intro/images/foodweb.gifcentre_intro/images/foodweb.gif http://www.bio.bris.ac.uk/research/community/http://www.bio.bris.ac.uk/research/community/

centre2new.gifcentre2new.gif