Lecture 1 - Introduction Flashcards
Fishery (definition)
a system composed of the aquatic biology, aquatic
habitat and human users
Fishery (characteristics)
1) renewable natural resource
2) MOBILE
3) Common property
4) Multiple products
How many people globally depend on fish as their primary source of protein?
3 billion
What are essential nutrients provided by seafood?
1) Long chain omega-3 fatty acids DHA (docosahexaenoic acid) and EPA (eicosapentaenoic acid)
2) Minerals: iodine, selenium, vitamin D
What is the total global fisheries harvest?
160 metric tonnes
In 1950, 1)___% of fish stocks were harvested to their maximum sustainable limits and 2)___% were sustainably fished
1) 15%
2) 85%
In 2003, 1)___% of fish stocks had collapsed, 2)___% were overfished, and 3)___% were at the limit of sustainability
1) 32%
2) 39%
3) 29%
Stock (definition)
The portion of a species or population that is harvestable
In low-income food-deficit countries, fish account for ___% of the total animal protein intake
24.2%
Fisheries management requires the balance of 1)___ and 2)___
1) biological conservation of fish stocks & natural habitats
2) fishing employment, social equity, economic efficiency, and subsistence economies
What are the three aspects of managing resource exploitation?
1) Fishing access: rights and enforcement
2) Socio-economics: markets, labor, incomes
3) Fishing effort: technology, structure, and investment
What is a common theme among cultures near bodies of water?
They have all developed techniques to catch fish
Fishing is a $__ a year business
$90 billion
Underexploited (definition)
A fishery that is found in abundance and not sufficiently used (from a commercial standpoint)
Exploited (definition)
A fishery that is operating at or close to an optimal yield level
