Zusammenfassung der Ressource
Rain Forests
- Emergent
- tall trees,
30-50m, leaves/animals
thrive
available
sunlight
- Canopy
- 20-45m,
distinct
microclimate,
variety
plants/animals,
tall trees=
liana vines,
intertwine branches,
epiphytes use tree
trunks/branches
as anchors to get
sunlight/water
- Understorey
- small trees/ferns that
receive 5%
suns energy,
animals move
around in
darkness &
humidity, use
vines as
highways
- Forest
Floor
- covered by leaves, fallen
trees & huge buttress
roots that support huge
trees, RF soils give
impression being fertile
cuz they support large
no. of trees & plants,
impression wrong soil is
poor, leaves & other
matter recycled by
organisms to create
living compost, roots of
trees get nutrients from
soil before heavy rains
wash them away and
are lost through
process= leaching, large
animals roam through
this layer for food
- MEDICINE
- more than 7000 medicines made RF plants, can be
used to treat headaches and killer disease like malaria
- used by ppl who suffer from
sclerosis, parkinson disease,
leukaemia, asthma, acne,
arthritis, diabetes etc.
- animals cure human diseases, Australian
tree frogs= heal sores, south american
frog= powerful painkiller
- poisonous venom=amazonian
snake used to
that high BP
- 1% known plants/
animals RF
analysed for
medical potential
- 1/2 known plants/animals live here
- 50 million indigenous ppl live here
- gain much food
- most
fruits/nuts
grown by
farmers than
harvested in
forest
- cattle ranches
- small scale subsistence
- logging (legal, illegal)
- fires, mining, road construction
- urbanisation, dams
- large scale
commercial
agriculture