Biogeographical Regionalization YouTube Lecture Handouts Part 1
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Biogeographic Regionalization: Holdridge, Rapoport, MacArthur & Wilson, Pielou, Muller, Morrone
Biogeographical Classification
- Major Classifications
- Terrestrial Plants
- Terrestrial Animals
- Aquatic Plants & Animals
Classification
Key Idea
- Hierarchical System
- Initially based on intuition
- Later based on endemic species
Benefits
- Arrangement
- Summarize
- Condense
Modern biogeographic research
It includes ideas and information from many fields from the physiological and ecological constraints on organismal distribution to geological and climatological occurrences operating at global spatial scales and evolutionary time frames.
Holdridge՚s Life Zone Classification
- Life Zone = Plants + Animals share unique characteristics – by Merriam in 1889
- 3 Factors Considered
Vavilov Geneceter, Ronald Good (Plant) & Wallace՚s (Animal) Classification
Classification & Global Distribution of Plants and Animals - Vavilov՚s Genecenters
MacArthur and Wilson՚s Method
- Island geography
- Colonize uninhabited island
- No Phylogenetic analysis
Rapoport՚s Classification
3 regions:
- Holoarctic
- Holotropical
- Holantractic
Stevens – Rapoport՚s rule
Pielou՚s Classification
- Nearctic
- Paleotropical
- Neotropical
- Ethiopian
- Oriental
- Australasian
- Oceanian
- Antarctic
Muller՚s Classification
- 5 Regions
- 5 Transition Zones
Morrone՚s Classification
- Historical changes
- 3 kingdoms and 12 regions
Complete details on biogeographical regionalization and study material can be fetched at: Examrace IAS Mains Geography Optional Series (Includes 2017 Contemporary Topics)
✍ Manishika