Farming Problems Flashcards
1
Q
Deforestation
A
Destroys habitats, reducing population of organisms
2
Q
Eutrophication
A
1) fertiliser washed off fields to lakes or rivers
2) algae on surface grows, blocking the sunlight for the algae underneath
3) algae dies and decomposers eat it, using all the oxygen
4) lack of oxygen kills the fish
REDUCTION OF FIH POPULATION
3
Q
Pesticides
A
May be persistent. This means that goes up the food chain with even more concentration of this, causing massive harm
4
Q
Varieties
A
No biodiversity:
- > one disaster-> wipe the whole crop
- > smaller ecosystem
- > longer to recover from hazards
5
Q
Burning fossil fuels
A
Contributes to Global Warming, sea level rise…
