water and carbon -amazon rainforest case study (causes of deforestation) Flashcards
how many causes of deforestation are there?
.6
what are the causes of deforestation?
.agriculture
.logging
.road building
.mineral extraction
.energy development
.settlement and population growth
how is agriculture a cause of deforestation?
.the removal of trees to grow crops, for pasture land or for cattle grazing
how is logging a cause of deforestation?
.the removal of trees for sale as timber or pulp
what is the timber used for in logging?
.timber is used to build homes, furniture etc
what is the pulp used for in logging?
.pulp is used to make paper products
what are the two types of logging?
.selective logging
.clear-cutting
what is meant by selective logging?
.where loggers choose only wood that is highly valued eg:mahogony
what is meant by clear-cutting?
.when loggers are interested in all types of wood and cut all trees down
how is road building a cause of deforestation?
.removal of trees for roads
why are roads being built in the amazon forest?
.roads are essential way for the brazilian government to allow development of the rainforest eg: trans amazonian highway
.so on one hand it allows for development but it puts the rainforest under threat
how is mineral extraction a cause of deforestation?
.removal of trees to make way for huge mines
.the brazilian part of the amazon has mines that extract iron, nickel, copper etc
how is energy development a cause of deforestation?
.removal of trees for the building of new dams
how are dams linked to energy development?
.the dams create electricity as water passes through, this turns a turbine which generates electricity eg: belo monte dam
how is settlement and population growth a cause of deforestation?
.removal of trees because of a growing population which means a growing demand for homing
.the amazons population grew by 23% in 10 years
why is the population in the amazon rainforest growing?
.people migrating due to looking for work
