A few nice aquaculture images I found:
The end of open field aquaculture…
Image by doegox
Oyster parks, somewhere near Cap-Ferret, Bassin d’Arcachon, France
This image is the starting point of a
manipulation game proposed by the "Comment on my Stream" group
icelandic aquaculture tragedy (5)
Image by eir@si
NOAA aquaculture meeting 04.21.2010 002
Image by lsgcp
Expanding on the author’s year-long study of the shrimp and salmon aquaculture industries as an Alicia Patterson Foundation Fellow, the book lays out the rationale behind aquaculture development: increasing the world food supply and creating jobs in areas hard hit by declining landings in wild fisheries. However, reality is something else entirely: ravaged ecosystems and bankrupted local economies. The author expands on his existing case studies, near his homes in eastern Maine, and Sonora, Mexi
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. .
Food security clearly is more than just food production, nutrition, or food aid. Alleviating hunger, a severe manifestation of poverty, depends in the long run on sustainable and broad-based economic growth and income generation. In many poor countries, these depend on a productive, competitive, and sustainable agricultural sector. To achieve these conditions, countries must invest in rural areas to strengthen agriculture, aquaculture, the food system, and infrastructure, and to restore and conserve critical natural resources for agricultural production. This requires both public and private investment — domestic and foreign.
However, this is not enough. All sectors of civil society must work together if we are to succeed in our objective to achieve food for all. Investing in agriculture and aquaculture for food security means that grassroots and local efforts together with government, the private sector, multilateral and bilateral efforts at national level should all be focused on a common vision and agenda for food security . Food security is defined as: “…all people, at all times, having the physical, social and economic access to sufficient, safe and nutritious food in order to meet their dietary needs and food preferences for an active and healthy life” (World Food Summit Plan of Action 1996)
. Aquaculture can contribute to improved food security and nutrition through various channels: local food supplies can be improved through the increased availability of low-cost fish; employment opportunities and incomes can be raised; and consumption of fish can be increased directly. While increasing the quantity and variety of fish and other foods consumed by the poor will reduce under-nutrition, such dietary improvements are not automatic benefits of aquaculture development. Food consumption and good nutrition are not determined solely by how much food is produced or available. Households must have physical and economic access to an adequate amount and variety of food, and household heads and care-givers must have the time, knowledge and motivation to make the best use of the household’s resources to meet the food and other basic needs of all members. The key to securing the maximum nutritional benefits from aquaculture development is to ensure that the poor and undernourished gain greater access to the increased supplies of fish and that they can enhance their aquaculture-derived income.
. Fish can make a unique contribution to efforts to improve and diversify dietary intakes and promote nutritional well-being among most population groups. Fish have a highly desirable nutrient profile providing an excellent source of high quality animal protein that is easily digestible and of high biological value. Fatty fish, in particular, are an extremely rich source of essential fatty acids, including omega-3 polyunsaturated fatty acids (PUFAs), so important for normal growth and mental development, especially during pregnancy and early childhood. Fish are also rich in vitamins and minerals (especially calcium, phosphorus, iron, selenium and iodine in marine products).Fish therefore can provide an important source of nutrients particularly for those whose diets are monotonous and lacking in animal products. Increasing the availability of fish in the diet increases palatability and leads to increased consumption of a range of foods thereby improving overall food and nutrient intakes.
As mentioned, fish are important sources for many nutrients, including protein of very high quality, retinol (Vitamin A), vitamin D, vitamin E, iodine and selenium. Evidence is increasing that the consumption of fish enhances brain development and learning in children, protects vision and eye health, and offers protection from cardiovascular disease and some cancers. The fats and fatty acids in fish, particularly the long chain n-3 fatty acids (n-3 PUFA), are highly beneficial and difficult to obtain from other food sources. Of particular importance are eicosapentaenoic acid (20:5n-3, EPA) and docosahexaenoic acid (22:6n-3, DHA). A review of the benefits of fish consumption for mothers and infants was published by FAO in 2000. .
. Economic feasibility studies have shown that aquaculture is economically feasible under many different circumstances. Many types of low-cost, low-risk, simple technologies have emerged in recent years. Comparative studies between rice, rice-fish and fish-farming systems in sub-Saharan Africa demonstrated that farmers investing in aquaculture increased their household incomes considerably with only minor investments. In Europe, USA, China and other Asian countries the increases in production and the number of people active in aquaculture over the last decade have shown that production systems ranging from extensive to highly intensive can be economically feasible.
most of the world’s farmers are small-scale farmers. As a group, they are the biggest investors in agriculture and aquaculture. They also tend to have inadequate or precarious access to food themselves. If they can make a profit with their farming, they can feed their families throughout the year and reinvest in their farms by purchasing fertilizer, better quality seed and basic equipment.
Small producers face many obstacles beyond their control: lack of credit, insecure land tenure, poor transport, low prices and poorly developed business relations with agribusinesses – to say nothing of natural factors such as drought, flood, pests and disease.
Food production and sufficient supply for the country has, on the whole, been secured in spite of very limited natural resources and the growing population. However, due to insufficient local food production, lack of distribution and food supply systems and low incomes, food security still remains a crucial problem for many poor households. The shortage of arable land and resources is compounded by obsolete or absent technology and insufficient financial inputs into agriculture and aquaculture.
Investment in infrastructure in rural areas, especially in water, roads, power and communications, has a crucial role in kindling agricultural growth. If countries get these conditions right, dramatic benefits to agriculture and aquaculture and poor rural households can be expected.
B.Sc. honours in zoology
M.Sc. in zoology, specialized in ichthyology,Ph.D
(working), since 4 years, involved in teaching in Bio-technology, Environmental science and environment & water management in A.N.College, Patna, India.
Article from articlesbase.com
Worldwide, aquaculture has increased at an average of 9.2% for the past 30 years, compared with only 2.8% annual increase for terrestrial farming. Production from fish (and shellfish and algae) farms now comprises 30% of the total of the World’s food from our waters and this growth is predicted to continue until at least 2025.
Aquaculture engineering is a key area for all aquatic production facilities and this comprehensive book covers all aspects of aquaculture engineering with c
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Question by Mike: Aquaculture?
Comment on the statement: Working in aquaculture is more like farming than commercial fishing.
If this is true: would the people who used to work in fishing long before the idea of aquaculture have a hard time adapting to the new industry? If so… what would those difficulties be?
If this is false: Do you think this would discourage the growth of the aquaculture industry?
Best answer:
Answer by tinaltim
boring and stupid
Add your own answer in the comments!
http://www.youtube.com/v/ANpbBZu5ViE?fs=1
good.is Professor Martin Schreibman says our oceans have been overfished beyond repair. If we’re going to keep eating fish and chips, tuna tartare, and all those omega-3 fatty acids, we may have to rely on aquaculture. Schreibman is working to bring those fish farms into the city. Urban aquaculture? We’ll bite.
I would like to introduce my new book entitled: Recirculating Aquaculture. This replaces my previous book entitled: Recirculating Aquaculture Systems which is now out of print. The original textbook was used as the primary resource for the Cornell University Short course which I started in 1994 and an undergraduate course on recirculating aquaculture principles in 1985. The new book has been expanded roughly by 200 pages. We added a new chapter on denitrification (by Dr. Jaap vin Rijn) a
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