220_Lecture_Community_Ecology_I

220_Lecture_Community_Ecology_I - Community Ecology...

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Community Ecology LAND/SOCR 220
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hat is a community? What is a community? cology is divided hierarchically into Ecology is divided hierarchically into levels like population, community, cosystem global ecosystem, global . . . • Thus “community” ecology is the study f a unit that arises from the of a unit that arises from the interaction of populations Community: assemblage of species that live in the same place
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iews of Communities: Clements Views of Communities: Clements • Vegetation grows in community groups that are ohesive and distinct cohesive and distinct • “Holistic concept” a community is a perorganism whose functioning can only be superorganism whose functioning can only be appreciated when it is considered as an entire entity. • The functions of various species are connected like parts of the body, and have evolved to enhance interdependent functioning. • “Closed community” where coevolution among members is prominent
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iews of Communities: Gleason Views of Communities: Gleason ommunity is a fortuitous association of Community is a fortuitous association of species whose adaptations and requirements nable them to live together under the enable them to live together under the physical and biological conditions that haracterize a particular place characterize a particular place.
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220_Lecture_Community_Ecology_I - Community Ecology...

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