Tropical Rainforests Flashcards
(11 cards)
biodiversity
the variety of life in the world or a particular habitat
commercial farming
farming to sell produce for a profit to retailers or food processing companies
debt reduction
countries are reliefs of some of their debt in return for protecting their rainforests
deforestation
the chopping down and removal of treess to clear an area of forest
ecotourism
responsible travel to natural areas the conserves the environment, sustains the wellbeing of the local people and may involve education. it is usually carried out in small groups and has minimal impact on the local ecosystem.
logging
the business of cutting down trees and transporting the logs to sawmills.
mineral extraction
removal of solid mineral resources from the earth. these resources include ores, which contain commercially valuable amounts of metal, such as iron and aluminium; precious stones, such as diamonds; building stones such as granote; and solid fuels, such as coal.
selective logging
the cutting out of trees which are mature or inferior, to encourage the growth of the remaining trees in a forest or wood.
soil erosion
removal of topsoil faster than it can be replaced, due to natural, animal and human activity. topsoil is the top layer of soil and is the most fertile.
subsistence farming
a type of agriculture producing food and materials for the benefit of only the farmer and their family
sustainability
actions and forms of progress that meet the needs of the present without reducing the ability of future generations to meet their needs.