Human Impacts - Key Words Flashcards
(6 cards)
1
Q
Eutrophication
A
Excessive richness of nutrients in a lake or other still body of water.
2
Q
Anoxic
A
An absence of oxygen reaching the tissues.
3
Q
Leaching
A
Soluble chemicals/minerals drain away from the soil or similar materials.
4
Q
Bioaccumulation
A
Gradual/continuous build up of substances (pesticides/toxins).
5
Q
Biomagnification
A
Toxic chemicals which increase in concentration as you move up the food chain.
6
Q
Biological Control
A
The understanding and utilisation of parasites or predators to regulate pest population.
