类别 全部 - rainfall - biodiversity - photosynthesis - pollination

作者:YAP HONG XIAN N/A 9 年以前

211

Geography Hong Xian Chap 3

Tropical forests are characterized by their thick, luxuriant vegetation, which remains evergreen throughout the year due to consistently high rainfall and temperatures. The trees in these forests have various adaptations to thrive in such conditions.

Geography Hong Xian Chap 3

Geography Hong Xian Chap 3

Characteristics

rich biodiversity
broadleaved evergreen trees
Thick and Luxuriant evergreen forests
High rainfall and temperatures throughout the year

Adaptations of plants

Buttress roots
Large above ground roots to support tree's heavy weight
colourful strong-smelling flowers
attract insects and animals for pollination
leaf drip tips
allow water runoff , preventing fungi and bacterial growth
waxy, leathery or hairy leaf surface
minimise loss of moisture
Broad leaves
Capture sunlight for photosynthesis
smooth bark
Allow rainwater to flow easily from crown to roots
Tall, straight trunks
Obtain maximum sunlight

Structure

Undergrowth layer
Rapid decomposition
20m high
Canopy layer
lianas and epiphytes
Crowns form almost continuous cover
30-50m high
Emergent layer
50-80m high