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Summary Reader Aquaculture and Fisheries (AFI 20306) $3.74
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Summary

Summary Reader Aquaculture and Fisheries (AFI 20306)

5 reviews
 262 views  8 purchases
  • Course
  • Aquaculture and Fisheries
  • Institution
  • Wageningen University (WUR)

This is the summary of the reader of the box Aquaculture and Fisheries given during the minor Marine Living Resources. The lectures were mostly exactly what was in the reader.

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Document information

  • October 7, 2016
  • 45
  • 2014/2015
  • Summary

Subjects

  • aquaculture and fisheries
  • afi 20306
  • samenvatting reader
  • minor marine living resources

Written for

  • Wageningen University (WUR)
  • Biology
  • Aquaculture and Fisheries
All documents for this subject (2)

5  reviews

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By: rianneplanje • 6 year ago

Translated by Google

Document is very good but course has changed some topics are no longer discussed

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By: robordelman • 6 year ago

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By: Alecf • 7 year ago

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By: Floriez • 7 year ago

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By: benvdinter • 7 year ago

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Content preview

Some definitions.
Fisheries: aquaculture and capture fisheries
Capture fisheries: capture/harvest of aquatic organisms (from seaweed to fish) from their
natural environment.
Stocks are common property
Aquaculture: the cultivation of aquatic organisms, from algae to fish.
Cultivation under controlled conditions.
Stocks are owned
Mariculture: aquaculture in a marine environment
Marine biotechnology: the extraction of fine chemicals or pharmacological products from marine
organisms.
Aquatic production: increase of biomass in time.

Recruitment natural mortality

Growth Harvest
Biomass

Capture fish VS aquaculture
CAPTURE FISHERIES AQUACULTURE
 Extract organisms from aquatic  Extract organisms from aquatic
environment environment
 Management opportunities are limited  Management actions can act on all
 Management via the act of fishing: production processes
o Fishing area  Process control can relate to the organisms
o Fishing period and to the production environment
o Fishing method  Recruitment and growth is controlled
 Recruitment, growth and natural mortality  mortality result of stress and diseases
are dependent on natural conditions  stocks are owned
 Production control is organized via
management of the fisheries
 Stocks are common property

Water quality management is an important discipline in aquaculture, there is a distinction between
the reproduction and larval rearing phase and the grow-out phase.

what makes aquaculture special?
- Cold blooded (poikilothermic) animals
- Difficulty in using carbohydrates. The principal energy source is fat (lipids)
- Gas exchange through gills or cutaneous (skin) diffusion
- Many different modes of reproduction (f.ex in fishes, hermaphroditism is quite common)
- Many, especially invertebrate animals derive structure from calcareous material (corals,
foraminifers, shellfish).

The role of FISH to mankind

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