نتایج جستجو برای: aquaculture techniques

تعداد نتایج: 638453  

2017
Alyaa Elsaid Abdelaziz Fadl Magdy Elsayed Mahfouz Mona Mabrouk Taha El-Gamal Andreas Heyland

Some sea urchins, including the purple sea urchin Strongylocentrotus purpuratus, have been successfully used in aquaculture, but their slow growth and late reproduction are challenging to overcome when developing efficient aquaculture production techniques. S. purpuratus develops via an indirect life history that is characterized by a drastic settlement process at the end of a larval period tha...

Journal: :Emerging Infectious Diseases 1997
E. S. Garrett C. L. dos Santos M. L. Jahncke

Aquaculture is important to the United States and the world's fishery system. Both import and export markets for aquaculture products will expand and increase as research begins to remove physiologic and other animal husbandry barriers. Overfishing of wild stock will necessitate supplementation and replenishment through aquaculture. The aquaculture industry must have a better understanding of t...

2010
Barry A. Costa-Pierce

l Ecohistories of aquaculture suggest that aquaculture is a natural part of human development throughout history and that modern, industrial aquaculture could strengthen its social and ecological roots by articulating its evolution along a sustainability trajectory and by adopting fully the Food and Agriculture Organization (FAO) ecosystems approach to aquaculture (EAA; Soto et al., 2008). The ...

Journal: :ecopersia 2013
mohammad reza kalbassi esmail abdollahzadeh hamid salari-joo

global aquaculture production has more than tripled during the last 15 years, and aquaculture is expected to account an increasing share in global seafood production. there are large differences among countries in the rate of growth and development of aquaculture. this review tries to explain the progress and problems of aquaculture during three last decades in iran. the total production of ira...

Journal: :Environmental science and pollution research international 2007
Ling Cao Weimin Wang Yi Yang Chengtai Yang Zonghui Yuan Shanbo Xiong James Diana

GOAL, SCOPE AND BACKGROUND Aquaculture activities are well known to be the major contributor to the increasing level of organic waste and toxic compound in the aquaculture industry. Along with the development of intensive aquaculture in China, concerns are evoked about the possible effects of ever-increasing aquaculture waste both on productivity inside the aquaculture system and on the ambient...

Journal: :Journal of Soil Sciences and Agricultural Engineering 2018

2012
Marcel Martinez-Porchas Luis R. Martinez-Cordova

Aquaculture has been considered as an option to cope with the world food demand. However, criticisms have arisen around aquaculture, most of them related to the destruction of ecosystems such as mangrove forest to construct aquaculture farms, as well as the environmental impacts of the effluents on the receiving ecosystems. The inherent benefits of aquaculture such as massive food production an...

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