GEOG 111 Lecture 12: Vegetation Extra Notes & Definitions
1 Sep 2015
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Focus: structure, function, growth, origin, evolution and distribution of living organisms. Major climatic influence controls are light, heat, water . Important to plants and thus to primary production. Determine an organism"s tolerance limits (limiting factor for an organism spatial distribution) Ecological role of an organism in the community. Help an organism survive in its changing environment. Seral stage: each stage in a succession is called seral stage. Pioneer species: early stages are dominated by pioneer species. Climax community: final stage is called climax community. Population: group of individuals of the same species in same geographic area. Ecosystem: collection of communities interacting with the physical environment. Biome: regional ecosystems classified according to its dominant vegetation type. A change or the process of change by which an organism or species becomes better suited to its environment. The variety of life in the world or in a particular habitat or ecosystem.
