GEOB 102 Lecture 20: GEOB 102 Oct. 24 Introduction to Biogeography

• School: UBC
• Department: Geographical Biogeosciences
• Course: GEOB 102
• Professor: Simon Donner

Document Summary

Ecological biogeography: levels of organization how we characterize what we see, 1. Individual organism any living organism: 2. Population a group of individuals of a given species that live in a specific geographic area at a given time: 3. Communities different populations that occupy same space: 4. Ecosystem interaction of all biotic and abiotic parts of the community (abiotic: water, rocks, air, temperature, nutrients: 5. Biomes set of ecosystems sharing similar characteristics, abiotic factors adapted to environments (global scale: what do species need to survive, 1. Resources: all things consumed/used by an organism, consumption decreases the supply of resources. Suitable environmental factors: abiotic environmental factors that influence organisms not consumed (climatic, edaphic, geomorphic) Theory of tolerance: species can exist & reproduce within a range of values for a particular environmental factor, factors include water availability, ph, biogeographical chemicals. Effects of environment on organisms: temperature directly influences physiological processes.