1 / 15

Aquaculture systems

Aquaculture systems. Biotic and abiotic components: 1. The fish component Behavioral/physiological requirements – must be in normal (optimal) range Dissolved inorganic and organic compounds pH. Aquaculture systems. Biotic and abiotic components: 2. The water component –

vinaya
Download Presentation

Aquaculture systems

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. Aquaculture systems • Biotic and abiotic components: • 1. The fish component • Behavioral/physiological requirements – must be in normal (optimal) range • Dissolved inorganic and organic compounds • pH

  2. Aquaculture systems • Biotic and abiotic components: • 2. The water component • – • 3. Pond or rearing area/container • Provide spatial requirements for species

  3. Aquaculture systems • Biotic and abiotic components: • 4. Nutritional requirements • Provides energy requirements to meet – standard metabolic demands • Components associated with water quality

  4. Aquaculture systems • Biotic and abiotic components: • 5. Management of the system • Fish culturist governs how well all components will be “balanced” • Management factors: • Record-keeping • Pond cleaning techniques and frequencies

  5. Aquaculture systems • Management conditions: • Extensive culture: Low degree of input on manager’s part • Low water exchanges • Common in developing regions • Subsistence production

  6. Aquaculture systems • Management conditions: • 2. Semi-intensive • Higher degree of management than extensive • Common in warmwater foodfish industry – catfish • Feed daily • Assess growth and mortality

  7. Aquaculture systems • Management conditions: • 3. Intensive • Common in salmonid culture • Feeding of commercial feeds at high rates • Continual sampling and monitoring

  8. Aquaculture • Public aquaculture: • Purpose: • Mitigation • Conservation/species recovery (ESA) • Management/sport fishing • Mitigation: • Columbia/Snake River systems

  9. Aquaculture • Conservation: • Endangered species preservation • Recovery of listed stock

  10. Aquaculture • Management/sportfishing: • Game fish stocking (non-salmonids) • Bass • Pike • Walleye • Put and take fisheries

  11. Aquaculture • Private aquaculture • Purpose: • Commercial: • Food/table fish and other aquatic species • Fee fishing • Trout/catfish • Common in Midwest/east

  12. Aquaculture • Bait fish – for sportfishing in many states • Forage fish • Tilapia/carp • Ornamental species • Aquarium/hobbyist trade • Direct or wholesale markets

  13. Aquaculture • Components of private and public aquaculture: • Production: • All life stages • Marketing (important in commercial) • Sales and distribution • Processing waste • Disposal • Value added product

  14. Aquaculture • Factors to consider in private aquaculture: • Feed availability/manufacturing • Equipment • Product development/marketing • Engineering/construction • Real estate

  15. Aquaculture • Economics: • Variable costs • Eggs/fingerlings • Feed • Mortality • Utilities • Maintenance • Fixed costs: • Labor • Insurance • Taxes • Advertising

More Related