eq3 Flashcards
what are the 4 types of service the rainforest provides us with?
supporting
provisioning
regulating
cultural
what do supporting services do?
keep ecosystems healthy, eg soil formation, photosynthesis, nutrient cycling, water cycling
what are provisioning services?
products obtained from ecosystems eg food, fibre, fuel, genes, medicines
what are regulating services?
benefits obtained from regulation of an ecosystem eg regulating air quality, climate, water, erosion, disease, pollination
what are cultural services?
non-material benefits eg spiritual well being, recreation, education, science.
since the industrial revolution how acidic has the sea become?
26% increase in acidity
where has the largest ocean ph reduction taken place?
north atlantic
what happens during coral bleaching?
water becomes too warm and algae are ejected from coral, coral die and turn white.
from 1950-1985, how much of Madagascar’s tropical rainforest was lost?
2/3
what is one of the top causes of forest loss?
palm oil
