Human activity can impact on ecosystems. One such ecosystem, the tropical rainforest, faces threats which need to be managed to ensure its survival.
How much rainfall does the rainforest receive each year?
What is the average daily temperature in a tropical rainforest?
What colour is the soil in the rainforest?
How many layers make up a tropical rainforest?
Where do epiphytes get their nutrients from?
The air and water
Where do the leaves and flowers of the lianas grow?
In the emergent layer
In the canopy
In the shrub layer
Why is deforestation happening?
Farming, logging, mining, road building, HEP and population growth
Farming, logging and mining
Which impact of deforestation could be viewed as positive?
A loss of habitat for species
How can tropical rainforests be managed?
Education and ecotourism
Logging and replanting scheme, education, ecotourism, international agreements
What is a selective management system?
Selective logging of trees over a short period of time
Selective logging of young trees
Selective logging of mature trees over a 40-year cycle to ensure that the rainforest has time to recover