production and food security

Ngày tải lên: 09/03/2014, 17:20

... Biotechnology and food security in developing countries Biosafety and the International Treaty on Plant Genetic Resources for Food and Agriculture Furthermore, urgent implementation and more widespread ... Security, World Food Summit, Volume 1, Section 1.4, Food and Agriculture Organisation of the United Nations, Rome, 1996 FAO, The State of Food Insecurity in The World 2001, Food and Agriculture ... FAO defines food security as existing when ‘all people at all times have access to safe nutritious food to maintain a healthy and active life’ There are three dimensions of food security according...

Ngày tải lên: 13/03/2014, 21:59

... Milestone 2.1.3 2013 (2). Gender‐ and socially equitable participatory    SAs, EA, and demonstration and evaluation of impacts of promising production and NRM    WA  technologies, and production systems, on livelihood risk and resilience in the face  ... agricultural development, food security, and climate change‐ regional and global levels and informing  related policies and programs.   Scenarios partners and processes  regional economic development and launched in Latin America and South Asia.  ... evidence to lead African negotiators in the UNFCCC process.  34    Key staff and major partners and their roles Major partners and their  roles: Regional and national climate change, agriculture and food security research and non‐research organizations  (action research partners ‐...

Ngày tải lên: 15/03/2014, 21:20

... to food insecurity in Africa, both natural and those caused 12 13 14 15 Organic Agriculture and Food Security in Africa Box Factors contributing to food insecurity in Africa Availability of food ... damage; and viii The food security of any region is not simply a question of producing enough food to meet demand; produces the food, who has access to the technology and knowledge to produce it, and ... tool for documentation and communication; facilitate advocacy work in food and seed security and sustainable land use management; advocate issues of marketing and trade; and develop PELUM Tanzania...

Ngày tải lên: 22/03/2014, 14:20

... for land quality and agricultural productivity in refining our understanding of food security This role is explored after a brief overview of ERS’ food s security assessment research Food security ... available food and food needed to support a target per capita nutritional standard However, the aggregate food availability projections not account for food security problems due to food distribution ... Nations Food and Agriculture Organization (2001) Agrostat Wiebe, Keith D.; and Abebayehu Tegene (2000) “Resource Quality, Agricultural Productivity and Food Security in Developing Countries.” Food Security...

Ngày tải lên: 06/07/2014, 22:20

... nutritious food to maintain a healthy and active life” People’s dietary meet and food preferences - Physical - Economic Food security based on: • Food availability: sufficient quantities • Food access: ... out destroying the enviroment and depleting natural resources???” Land used by region and country group, 1961,1991 and 2007, (FAO, 2009) Food security The World Food Summit (1996): “When all ... of 2025: 9.5billion – Land limited: agriculture, building, infrastructure, climate change…,  Food demands v.s Food production “How the world will sufficiently accommodate and feed its human population...

Ngày tải lên: 08/04/2013, 10:35

... Cumulative CH4 production (mL, STP) Cumulative H2 production (mL, STP) 250 200 150 100 50 30 25 20 15 10 12000 Food waste composition 1.00 Food waste composition 0.80 Food waste composition 0.60 Food waste ... No.2, 2003 hydrogen production rate increased up to 22.6 mL H2/g VSS/h as both food waste composition and VS concentration increased Use of food waste and sewage sludge as the main and the auxiliary ... concentrations and mixing ratios of food waste and sewage sludge were simultaneously operated Total VS concentrations were controlled to 0.5, 1.0, 1.5, 2.0, 3.0, and 5.0 % The mixing ratios of food waste...

Ngày tải lên: 05/09/2013, 08:40

... Standard enrichment for Great Salt Lake Artemia 4.4 Tank production and use of ongrown Artemia 4.4.1 Nutritional properties of ongrown Artemia 4.4.2 Tank production 4.4.2.1 Advantages of tank production ... Moina spp., daphnids, and decapsulated brine shrimp cysts for freshwater fish and prawn larvae, and Artemia biomass for lobster larvae, shrimp postlarvae and broodstock, and marine fish juveniles ... such permission, with a statement of the purpose and extent of the reproduction, should be addressed to the Director, Information Division, Food and Agriculture Organization of the United Nations,...

Ngày tải lên: 15/12/2013, 00:15

... available for algal production Donaldson (1991) Coutteau and Sorgeloos (1992) Figure 2.13 Algal production cost as a function of the production capacity for bivalve hatcheries Filled and unfilled symbols ... Algal production in outdoor ponds 2.3.7 Culture of sessile micro-algae 2.3.8 Quantifying algal biomass 2.3.9 Harvesting and preserving micro-algae 2.3.10 Algal production cost 2.3.1 Physical and ... with Ct and C0 being the cell concentrations at time t and 0, respectively, and m = specific growth rate The specific growth rate is mainly dependent on algal species, light intensity and temperature...

Ngày tải lên: 15/12/2013, 00:15

... starvation 3.7 Production and use of resting eggs For the mass rearing of rotifers as larval food the amictic way of reproduction (see 3.3.) should be favored However, when the interest is in production ... Shang, Z and Sorgeloos, P 1995 Production and evaluation of resting eggs of Brachionus plicatilis originating from the P.R of China In: Lavens, P.; E Jaspers and I Roelants (Eds.), Larvi95 Fish and ... 3.5.3.3 Mass production on algae 3.5.3.4 Mass production on algae and yeast 3.5.3.5 Mass culture on yeast 3.5.3.6 Mass culture on formulated diets 3.5.3.7 High density rearing Intensive production...

Ngày tải lên: 15/12/2013, 00:15

... hatchery, nursery and broodstock rearing All these developments resulted in optimized and cost-effective applications of this live food in hatchery production 4.1.2 Biology and ecology of Artemia ... Wanigasekera, G., Simonek, S., Brownlee, D., Eiband, G and Cowan, J 1993 Ecological, physiological and genetic divergence of sexual and asexual (diploid and polyploid) brine shrimp (Artemia) Trends ... Grosch, D.S., Segreti, W.O and Purser, S.M 1984 Partitioning genetic and environmental components of reproduction and lifespan in Artemia Ecology, 65(3): 949-960 Lavens, P and Sorgeloos, P 1987 The...

Ngày tải lên: 15/12/2013, 00:15

... below -18°C and above +40°C; a reversible interruption of the metabolism (= viability not affected) occurring between -18°C and +4°C and between ± 33°C and ± 40°C, with the upper and lower temperature ... value per cone and calculate mean value and standard deviation of cones = final value · Eventually leave hatching tubes for another 24 h, take subsamples again and calculate H% and HE for 48 h ... culturing and use in aquaculture Persoone, G., P Sorgeloos, O Roels and E Jaspers (Eds), Universa Press, Wetteren, Belgium, pp 261-269 Clegg, J.S and Conte, F.P 1980 A review of the cellular and developmental...

Ngày tải lên: 15/12/2013, 00:15

... 1970s and early 1980s, when many fish and shrimp hatcheries scaled up their production and reported unexpected problems when switching from one source of Artemia to another Japanese, American and ... 137-140 Lavens, P., Sorgeloos, P., Dhert, Ph and Devresse, B 1995 Larval Foods In: Broodstock Management and Egg and Larval Quality, Bromage, N.R and R.J Roberts (Eds), Blackwell Science Ltd., ... and total (n-3) HUFA levels in enriched Artemia nauplii sampled in the laboratory (A) using a standard procedure and in three sea bream hatcheries (B) according to the in-house method (mean and...

Ngày tải lên: 15/12/2013, 00:15

... Control of infections 4.4.2.9 Harvesting and processing techniques 4.4.2.10 Production figures and production costs 4.4.2.1 Advantages of tank production and tank produced biomass Although tank-produced ... super-intensive production of Artemia juveniles and adults Aquacultural Engineering 11: 107-119 Dhont J., Lavens, P and Sorgeloos, P 1993 Preparation and use of Artemia as food for shrimp and prawn ... these products are their low cost and universal global availability Equally important in the evaluation of dry food is the consistency of the food quality and supply, and the possibility for storage...

Ngày tải lên: 15/12/2013, 00:15

... Canada: Chaplin Lake) In these inland lakes population densities are usually low and mainly fluctuate in function of food availability, temperature and salinity The size and/ or often complete absence ... growth and reproduction Stocking at lower density might increase the proportion of females in ovoviviparous mode of reproduction But as more food is available per individual animals grow faster and ... not be used as it is very unprecise and inaccurate Of course sample volume depends both on animal abundance and animal size As both cyst production and biomass production mainly depend on the number...

Ngày tải lên: 15/12/2013, 00:15

... cost involved in the harvest of this live food compared to the infrastructure and production costs of the live food items discussed earlier On the other hand, there are also major drawbacks in the ... ng, and 63 ng respectively, and corresponds to 0.8% and 1.3% of the dry weight Within nauplii, the levels are relatively higher; (i.e around 3.9% and 3.4%, respectively) Specific levels of EPA and ... are respectively 6% and 17% in adults fed Dunaliella, and 18% and 32% in adults fed Rhodomonas In nauplii the levels of EPA, DHA and (n-3)HUFA are high, (i.e around 3.5%, 9.0% and 15%, respectively)...

Ngày tải lên: 15/12/2013, 00:15

... growth and reproduction of Daphnia Heterotrophic microflagellates and ciliates up to the size of Paramecium can also be used as food for Daphnia Even detritus and benthic food can be an important food ... cases also the production and use of live food organisms as feed for the developing larvae The present manual reviews and summarizes the latest developments concerning the production and use of the ... to culture Daphnia under standard conditions, i.e overfertilization may occur, resulting in anoxic conditions and consequently in high mortalities and/ or ephippial production 6.1.4.3 Autotrophic...

Ngày tải lên: 15/12/2013, 00:15

... (World Food Programme) (1996) Rome Declaration on World Food Security Rome WFP (2001) Food Security, Food Aid and HIV/AIDS’, WFP Guidance Note WFP/FAO (2002) Mission Report on Food Insecurity ... international trade reforms and food security It is thus clear that despite international commitments to resolving food insecurity and the real achievements in increasing global food security, the gap ... Food Security and World Food Summit Plan of Action, World Food Summit Rome, Italy FAO (1999a) ‘Agriculture, Trade and Food Security: Issues and Options in WTO negotiations,’ Report and papers of...

Ngày tải lên: 15/02/2014, 19:20