Biogeographical Regionalization-Terrestrial Plants YouTube Lecture Handouts

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Watch video lecture on YouTube: Newbigin, Engler, Udvardy & Takhtajan Classification: Biogeographic Regionalization

Newbigin, Engler, Udvardy & Takhtajan Classification: Biogeographic Regionalization

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Biogeographical classification:

  • Major Classifications

  • Terrestrial Plants

  • Terrestrial Animals

  • Aquatic Plants & Animals

Classification on Environmental Conditions

Moisture

  • Hygrophyte – water loving plants

  • Meosphyte – in moist but not wet

  • Tropophyte – alternate wet & dry

  • Nerophyte – drought areas

Temperature

  • Megatherm - Equation

  • Mesotherm - Equation warm temperature Equation

  • Microtherm – above Equation & warmest temperature Equation

  • Hekistotherm – less than Equation

Ronald Good Classification

Watch video lecture on YouTube: Classification & Global Distribution of Plants and Animals - Vavilov's Genecenters

Classification & Global Distribution of Plants and Animals - Vavilov's Genecenters

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Engler Classification

Phylogenetic principles - evolutionary history

4 Kingdoms

  • Holoarctic

  • Paleotropical

  • Old Oceanic – Austral (Southern ocean)

  • South American

Udvardy’s Classification

In 1975

Vegetational components

8 Regions

  • Nearctic

  • Palearctic

  • Neotropical

  • Africotropical

  • Indomalayan

  • Oceania

  • Australian

  • Antarctic

Takhtajan Classification

  • In 1986

  • 6 kingdom & 35 regions

  • Created separated Cape Kingdom

  • Importance of Cape Kingdom

Newbigin Classification

  • 1917: Man and His Conquest on Nature

  • 1936: Plant and Animal Geography

  • Basis was disciplinary epistemology and ontology

  • Gave 5 regions

Complete details on biogeographical regionalization and study material can be fetched at:

Examrace IAS Mains Geography Optional Series(Includes 2017 Contemporary Topics)