fisheries and aquaculture fish: importantlobosbiology.com/14 fisheries aquaculture.pdf · 2016. 2....

4
ê 1 Fisheries and Aquaculture Chapter 14 Fish: important source of income and protein worldwide If we can drive this species to the brink, imagine what we can do to others who are not as hardy. What accounted for this rapid increase? Bottom trawling does more damage than any other fishing technique.

Upload: others

Post on 07-Mar-2021

1 views

Category:

Documents


0 download

TRANSCRIPT

Page 1: Fisheries and Aquaculture Fish: importantlobosbiology.com/14 Fisheries Aquaculture.pdf · 2016. 2. 16. · crabs, and shrimp at lower trophic levels, reducing the food supply for

ê

1

Fisheries and Aquaculture

Chapter 14

Fish: important source of income and protein worldwide

If we can drive this species to the brink, imagine what we can do to others who are not as hardy.

What accounted for this rapid increase?

Bottom trawling does more damage than any other fishing technique.

Page 2: Fisheries and Aquaculture Fish: importantlobosbiology.com/14 Fisheries Aquaculture.pdf · 2016. 2. 16. · crabs, and shrimp at lower trophic levels, reducing the food supply for

ê

2

Fishing Down the Food Chain When higher TL are depleted, moving on to take lower TL fish

Page 3: Fisheries and Aquaculture Fish: importantlobosbiology.com/14 Fisheries Aquaculture.pdf · 2016. 2. 16. · crabs, and shrimp at lower trophic levels, reducing the food supply for

ê

3

What are the advantages and disadvantages of net pen operations?

RAS Advantages? Disadvantages?

Your choices matter here. Buy it and they’ll keep trying to catch it. Refuse to buy it and pressures will ease.

Page 4: Fisheries and Aquaculture Fish: importantlobosbiology.com/14 Fisheries Aquaculture.pdf · 2016. 2. 16. · crabs, and shrimp at lower trophic levels, reducing the food supply for

ê

4

http://www.montereybayaquarium.org/cr/seafoodwatch.aspx