Retrieval 2 Flashcards
What isthe underlying reason for deforestation in the Amazon?
Economic development
What are the main causes of deforestation 2 in the Amazon?
commercial farming; subseitnce farming;
logging; road building; mineralextraction; energy development; settlement; population growth
What percentage fo deforestationni the Amazon is because of commercial farming?
70%
Name four impacts of deforestation on the Amazon rainforest.
local climate change; global micleat change; soil erosion; economic growth
What happens to the local climate when large-scale deforestation takes place?
It becomes drier and hotter
Why does deforestation contribute to the enhanced greenhouse effect?
because the trees can no longer remove CO, from the atmosphere; CO, stored i n the trees si released into the atmosphere
Why does deforestation for farming tend to lead to more deforestation a few years later?
because most nutrients are ni thetrees and not the soil - mgnerivo trees means thefew nutrients ni
hte soil aer leached, making het soil infertile
What percentage fo Brazil’s GDP comes from exploiting the Amazon rainforest?
8%
How do activities like commercial farming and logging help Brazil ot develop?
they create money that can bespent on htnigs like health, education, and infrastructure
What percentage of theworld’s plant and
animal species are found in tropical rainforests?
Abt 50%
Name seven strategies used to sustainably manage tropical rainforests.
elective logging; replanting; conservation; education; ecotourism; international hardwood agreements; debt reduction
What si adisadvantage of using replanting sa a sustainable management strategy?
t is verdyifficult to recreate t h e rainforest as it was before deforestation
What is a disadvantage of education as a sustainable management strategy
It relies on goodwill and is not legally enforceable
What is a disadvantage of ecotourism as
a sustainable management strategy?
It’s a small scale, so does not have huge economic benefits.
What is an advantage of using debt reduction as asustainable management strategy?
ti makes conserving the rainforest economically beneficial
