: Fish-farming, including farming of other organisms of economic importance. Helgoländer wiss. Meeresunters. 21 , 445–465 (1970).tIErreEr,, G. (Ed.): Fish-farming, including farming of other organisms of economic importance. Helgol~inder wiss. Meeresunters. 21, 445--465 (1970)....
The International Helgoland Symposium 1969 was held under the general theme "Cultivation of marine organisms and its importance for marine biology" (in the text quoted as "Symposium"). In conjunction with the Symposium an Informal Session (quoted as "Session") was arranged on farming of fish and...
EVTGC is 0.03 (sic)/kg of fish and EVFCR is 0.05-0.06 (sic)/kg of fish. These results emphasize the importance of calculating economic values in the right context to develop efficient future breeding programs in aquaculture. 展开 关键词: economic values feed conversion ratio fish farming ...
In its development, the periodical has changed its name, its form, its owner and publisher, but it has been constantly dealing with the problems of freshwater fish farming. The development of the economic and scientific branch of freshwater fish farming and the development of the periodical are ...
Tourists’ valuation of nature in protected areas: A systematic review Introduction The importance of the social sciences in shaping conservation and wildlife management and in understanding the societal implications of conservation is increasingly recognised (Millennium Ecosystem Assessment2005; Braat and de...
of fish farming, and to investigate the effects of training involvements of end users to the performance of Economic Stimulus projects of fish farming and to investigate the effects of marketing planning involvements of end users to the performance of Economic Stimulus projects of fish farming. The...
Zheng shared his insights on China’s resilience, emphasizing the strategic importance of “unilateral openness” in reshaping globalization and fostering growth. "China’s economy has always relied on dual circulation—the interplay between external and internal economies," Zheng explained. While ...
Seaweeds of potential economic importance in Kenya: field survey and future prospects Kenya is a net importer of agar and alginate based on recent government statistics, although it may have the potential to be self-sufficient or even an exp... C Yarish,G Wamukoya - Springer Netherlands 被引...
The ecological and economic importance of biodiversity has been extensively studied in the literature. Traditionally, economic theory has focused on the economic value of biodiversity, an approach that started with the defining work of Weitzman (1992), and then advanced by many others (e.g., Metr...
The present study emphasizes on to the socio -economic development of different backward women Self -Help Groups (SHG) through ornamental fish farming of Paschim Medinipur district and to evaluate the functions of SHG to act as an important tool for major poverty elevation. Major recurring cost ...