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Rainforests: Biodiversity, Structures, and Distinctive Features, Slides of Biology

Alagappa UniversityBiology

An in-depth exploration of rainforests, their unique structures, and the vast biodiversity they harbor. Topics include the complexity of rainforest structures, the diversity of trees, vines, epiphytes, and various rainforest critters, as well as comparisons between different rainforests and their unique characteristics. Students and researchers will find this document useful for gaining a better understanding of rainforests and their importance in global biodiversity.

Typology: Slides

2012/2013

Uploaded on 01/19/2013

lalitkumar
lalitkumar 🇮🇳

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Rainforests
•“if the traveller notices a particular
species and wishes to find more lite it,
he may often turn his eyes in vain in
every direction. Trees of varied forests
dimensions and color ae around him, but
he rarely sees any one of them
repeated. Time after time he goes
towards a tree which looks like the one
he seeks, but a closer examination
proves it to be distinct”. A.R. Wallace
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Rainforests

  • “if the traveller notices a particular species and wishes to find more lite it, he may often turn his eyes in vain in every direction. Trees of varied forests dimensions and color ae around him, but he rarely sees any one of them repeated. Time after time he goes towards a tree which looks like the one he seeks, but a closer examination proves it to be distinct”. A.R. Wallace

Rainforests

  • What is it?
    • Vines

Rainforests

  • What is it?
    • Buttressed trees

Rainforests

  • What is it?
    • Rivers

Rainforest…critters

  • What is it?
    • frogs

Rainforest…critters

  • What is it?
    • Macaws other seed/fruit eaters

Rainforests…look alike

Rainforest rivers…look alike

Inside a Rainforest

  • Structurally very complex (physiognomy) with up to 5 layers present - Forest floor - Shrub - Mid-canopy - Canopy - Emergents

Rainforest Diversity

  • Comparisons
  • Malay Peninsula vs. Britain (2x)
    • S 8000 (1400G, 28 end vs 1430, 620G, 0e)
  • Malay vs Denmark (mammals..FGS)
    • 32/104/203 13/32/

Rainforest Diversity

  • What about a typical tropical tree?
  • Although can be tall and wide, most are medium and skinny (25-30m)
  • Their structure tends to reinforce this misconception

Rainforest Structure

  • Many species have buttresses and prop roots

Rainforest Structure

trunks and crowns

  • Many trees have long, slender boles
  • Bark comes in a variety of color and textures (although some more common)
  • Many trees have a flattened crown (think umbrella)

Rainforest Structure

  • Cauliflory – flowers and fruits abruptly growing from the trunk (e.g. cocoa)
  • Why? May be due to weight, could facilitate pollination by ___, facilitate dispersal by ____.