Across
- 3. _______, produced 80.2% of fish for human consumption in 2010.
- 4. in intensive systems, establishment costs/feed source costs/monitoring of water quality/operating costs/technology/control are _____ compared to extensive systems, but production is also ______.
- 10. the biggest region of growth in Australian aquaculture is in the farming of _____________ (eg atlantic salmon) – 37% of value, whereas there has been a decrease in pearl oyster and tuna production (southern bluefin tuna still 18% of value).
- 11. aquaculture in northern coast of NT, QLD and WA : pearl oysters, ____________ and prawns (NT and QLD)
- 14. mussels and scallops are farmed off the western/southwestern coast of this Australian state (see slide 19).
- 17. barramundi are farmed off the coast of almost every state in Australia (except Tassie)
- 19. establishment costs/technology/control/operating costs/stocking rate/production costs for extensive production is ____ compared to intensive aquaculture, but production is also relatively low. Tend to work best in asian countries – source of seed stock from wild, feed source comes from the natural ecosystem, no monitoring of water quality.
- 22. total value of Australian aquaculture in 2008-2009 was $861 _______. 37% due to salmonoid production.
- 23. the value of Australian WILD catch is in _______, particularly prawns and tuna. Australian AQUACULTURE has remained fairly steady (major growth in industry is in overseas countries).
- 26. life cycle of diadromous fish: broodstock > lay eggs (in freshwater) > alevin > ____ > parr > smolt (switches to salt water) > grown out and harvested or selected to be used as broodstock.
- 27. marine fish are much less popular to farm compared with freshwater and diadromous species. They are farmed in hundred ___________ as opposed to millions of tonnes. Include mackerals and seabream.
- 29. in extensive aquaculture systems, the source of the seed stock comes from the _____, as opposed to intensive systems that buy in domesticated seed stock (except for southern bluefin tuna).
Down
- 1. ______ produces 89% of the world aquaculture production by volume in 2010.
- 2. salmon, along with oysters and abalone, are farmed in this state of Australia.
- 5. aquaculture is a fast ________ industry driven by population growth, changing demographics (developing asian middle class) and the need for sustainable fish production.
- 6. in 1970, aquaculture produced 3.9% of fish/mollusc/crustacean production by weight, this has increased to 47% in 2010 (47% of fish produced for _______ consumption). __________s are also starting to eat more fish per individual (1.1kg in 1980 to 8.7kg in 2010) per annum.
- 7. _____________ species, especially carp, are the most abundantly farmed in the world (millions of tonnes per annum). Especially farmed in asian countries. Silver and bighead carp most popular.
- 8. there has been a shift in production of ___________ from pearl _________ to edible ________. Now edible ones on par with pearl ones – production is 12% and 11% of total aust aquaculture value respectively.
- 9. ¬¬¬_______ fin tuna are not farmed, southern bluefin tuna are (southern coast of south Australia – along with oysters, abalone, barra, and yellow kingfish)
- 12. ________ __________ is the most popularly farmed diadromous fish species.
- 13. _____________ species (both fresh/salt water) are farmed less commonly than freshwater (worldwide) and more commonly than exclusively salt water fish (around and under 1 million tonnes per annum). Atlantic salmon and milkfish most popular.
- 15. aquaculture can be ____________, semi-intensive and intensive. Can be closed, semi-open or open.
- 16. this gastropod mollusc is farmed off the southern coast of SA/ VIC/around TAS. Recent outbreaks in viral disease have been devastating.
- 18. the life cycle of a diadromous fish – spends _______-eighteen months in saltwater (smolt-adult), same time in freshwater (developing young).
- 20. capture fishing has reached a ___________ in recent decades due to the realisation that unsustainable fishing practices cause collapse of wild stocks.
- 21. the aquaculture industry is growing by 6.6% per year, as opposed to capture (wild caught) fisheries at 1.2% and terrestirial farmed ____-production systems at 2.8%. continues to grow more rapidly than all other animal food-producing sectors.
- 24. very popular type of freshwater fish to farm in asian countries (especially china).
- 25. _______ are farmed in VIC and NSW along with silver perch and murray cod.
- 28. the name of for a diadromous species of fish that is at an age where it is physiologically adapted enough to switch from freshwater to salt water.