Biodiversity and humans Flashcards
1
Q
Why does overfishing happen1
A
17% of protein consumed by humans comes from fish
Human population is constantly growing
2
Q
What effect does overfishing have
A
It damages aquatic ecosystems
3
Q
What is fish farming
A
Aims to produce more fish and so reduce overfishing
4
Q
How does fish farming create problems
A
Fishes are kept in an enclosed area, uneaten food and faeces sinks to the bottom
Parasites spread fast so fish need to be treated often
5
Q
Why would you introduce species to an area
A
Change number of certain species in that ecosystem
