...diversities of different communities across time and...
...visible members of communities, such as mites,...
...have used tree-hole communities in tropical forests...
...habitat for tiny communities consisting of decomposer...
...from rocky intertidal communities. Pisaster is a...
...for discussing how communities might be organized....
...the more species-rich communities found elsewhere. Because...
...traditional view, biological communities are in a...
...maintaining stability in communities. Stability is the...
...questioned whether most communities were at equilibrium...
...created many potential communities that were stable...
...of Chicago, saw communities as chance assemblages...
...disturbance keeps many communities from reaching a...
...or composition. Many communities seem to be...
...model proposes that communities constantly change following...
...disturb almost all communities, even those in...
...in most terrestrial communities. Chaparral and some...
...norm for most communities. Ecological succession is...
...By studying the communities on moraines at...
...species diversity in communities. Concept 54.4 Biogeographic...
...events occur. Tropical communities are generally older...
...temperate or polar communities. The growing season...
...temperate and polar communities. Climate is likely...
...species diversity of communities. “Islands” include oceanic...
...recognized. Coral reef communities are particularly susceptible...

...increased costs Solutions Communities seeking ways to...
...private foundations Some communities offer community health...
...medically underserved in communities, public housing projects,...
...to clients and communities when there is...
...arrived in local communities, further decisions made...
...Mitigation Agencies and communities identify potential hazards...
...and minimize emergency Communities implement their emergency...
...of their agencies, communities, and local emergency...
...leaders in their communities in discussing emergency...

...interactions within biological communities. The extinction of...
...of shallow-water benthic communities along the west...
...survival of whole communities. Management aimed at...
...ecologists compared bird communities near clusters of...
...pine forests with communities in forests not...
...have their own communities of organisms. Some...
...thrive in edge communities because they have...
...the other hand, communities in which edges...
...the structure of communities has been explored...
...natural conditions. Biological communities can recover from...
...for recovery. However, communities are not infinitely...

...for potential interaction. Communities differ in their...
...from rocky intertidal communities. Pisaster is a...
...for discussing how communities might be organized....
...alternate over time. Communities vary in their...
...the analysis of communities. Pollution has degraded...
...despite disturbance. Many communities seem to be...
...model proposes that communities constantly change following...
...the norm for communities. Humans are the...
...species diversity in communities. Ecological succession is...
...events occur. Tropical communities are generally older...
...temperate or polar communities. The growing season...
...temperate and polar communities. Climate is likely...
...species diversity of communities. “Islands” include oceanic...
...in studying biological communities. The integrated hypothesis...
...clustered into discrete communities with noticeable boundaries...
...hypothesis predicts that communities should generally lack...
...composition of plant communities does seem to...
...rivet model of communities. This hypothesis is...
...represent extremes; most communities have some features...
...these models: Are communities loose associations of...
...species interact in communities and how tight...

...3 2Ecosystem DiversityWithin communities species play different...
...DiversitySpecies Interactions within Communities:Competition and predationPredators can...
...can support.In many communities, predators keep certain...
...World tropical forest communities 14Community Organization:Keystone SpeciesEcosystem...
...species in many communities 16Community Organization:Keystone SpeciesImplications...
...and highly productiveTemperate Communities:High level of plant...
...shrub and plant communities in temperate regions?May...
...Climate and Environment:Terrestrial communities:Richness increases with:decreasing elevationIncreasing...
...in the Tropics?Tropical communities have had longer...
...38Recently Discovered CommunitiesEntire communities continue to be...