Rainforest Flashcards
structure of rainforest
Shrub layer -> Undercanopy -> Canopy -> Emergents
how does deforestation affect soil
cut down trees so rain comes on water and washes nutrients away in the fertile humus layer
what is leeching
when the water goes through it takes nutrients away and leaves pink, iron-rich infertile soil.
mining mercury shit
mining uses mercury and gets into water and destroys water supplys
what are gullies
when no trees, water erodes areas of rainforest and leaves lumpy land.
what is ecotourism
.small huts made out of bamboo and wood
.money goes straight to the tribes
.small scale development, no habitats destroyed, not many people,
what is the FSC
.it is an international hardwood agreement
.it allows a sustainable income
.wood comes from sustainable sources like selective logging
What is selective logging
.take only trees you need and leave rest
.people earn a sustainable income
.does not destroy all the habitat so animals live.
what are buttress root
they have a wider base for a sturdier tree for when they grow tall