منابع مشابه
Economics of Fisheries and Aquaculture
Archaeological evidence indicates that fishing was one of the earliest human production activities. Early fishing seems to have been mainly hunting and gathering along shores and inlets with fish farming emerging somewhat later in time. Capture fisheries expanded rapidly in the 19 and 20 centuries AD reaching the peak annual production of over 90 million metric tonnes in the early 1990s. Since ...
متن کاملInfectious diseases affect marine fisheries and aquaculture economics.
Seafood is a growing part of the economy, but its economic value is diminished by marine diseases. Infectious diseases are common in the ocean, and here we tabulate 67 examples that can reduce commercial species' growth and survivorship or decrease seafood quality. These impacts seem most problematic in the stressful and crowded conditions of aquaculture, which increasingly dominates seafood pr...
متن کاملlangauge needs analysis of undergraduate business management and economics students
the aim of conducting this study was to investigate the foreign language learning needs of undergraduate economics students and business management students in faculties of social sciences of alzahra and azad naragh university. in the study, which was designed on the basis of a qualitative-quantitative basis using interviews and questionnaires, 146 female undergraduate business management as we...
15 صفحه اولEthical School in Islamic Economics and Conventional Economics
In the present age, it is the age of economic crises and challenges to moral values. Today, with many moral schools, we are faced with the dos and don’ts of economic activities. On the one hand, the Islamic society needs a dynamic and developed economy, and on the other hand, it needs to consolidate and strengthen moral values in order to bring worldly and otherworldly happiness to people by ma...
متن کاملHybridizing Nested Dissection and
Minimum degree and nested dissection are the two most popular reordering schemes used to reduce ll-in and operation count when factoring and solving sparse matrices. Most of the state-of-the-art ordering packages hybridize these methods by performing incomplete nested dissection and ordering by minimum degree the subgraphs associated with the leaves of the separation tree, but most often only l...
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ژورنال
عنوان ژورنال: Journal of the World Aquaculture Society
سال: 2020
ISSN: 0893-8849,1749-7345
DOI: 10.1111/jwas.12737