introduction

Question 1

what is the definition of aquaculture?

Answer 1

aquauculture is the farming of aquatic organisms with food prupose.

Question 2

what is the annual growth of aquauculture per year? since 1970

Answer 2

8.7%

Question 3

on the list of blobal most produced fish species is atlnatic salmon on which rank?

Answer 3

number 9 most produced fish

Question 4

when was the first and second attempt in norway cultivate salmonid?

Answer 4

1st 1850

2nd 1910

Question 5

since when are slomnids i norway cultivated in cages?

Answer 5

1970s

Question 6

how much of the total production of atlatic salmon comes from norway?

Answer 6

63 %

Question 7

what are potential ecological effect of finsfish aquauculture -
water column effects:

Answer 7

discharge of nutrient rich water –> primary prodiuction – >algae bloom

Question 8

what are potential ecological effect of finsfish aquauculture -
localised seabed effects:

Answer 8

due to faeces, excretion uneaten fed:

• seabed enrichment with nutrienst and textural changes
• deoxygenation

Question 9

what are potential ecological effect of finsfish aquauculture - wider ecological effects:

Answer 9

• genetic interaction with wild fish
• fish disease transfer
• sea birds, sea mammals
• parasites sea lice)

Question 10

what are potential ecological effect of finsfish aquauculture -
macroecological effects:

Answer 10

fish -feed production: -sources and tranpsort

climate change :
-effect on the farmed population