Biogeographical Regionalization – Aquatic Life YouTube Lecture Handouts
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Biogeography Meaning
- Biogeography is the scientific study of the geographic distribution of plant and animal life.
- Bio means life
- Geo means earth
- Biogeography, the geographic distribution of species, provides evidence of evaluation.
- Determines how and where different species migrated.
- It also includes ecological and historical biogeography.
Biogeographical Classification
- Major Classifications
- Terrestrial Plants
- Terrestrial Animals
- Aquatic Life
Based on Distributional Pathway
- Larval life span
- Generation time
- Ocean Currents
Sven Ekman Classification
Basis of geographical boundaries & fauna Indo-West Pacific: Main region
Forbes Classification
Categorized as fishes, molluscs & radiates Homozoic belts Resemblance by representation & not by identity
Schmarda՚s Classification
Similarity of animals in similar geographical conditions – unrelated to geopolitical regions Vicariant forms
Complete details on biogeographical regionalization and study material can be fetched at: Examrace IAS Mains Geography Optional Series
✍ Manishika