Results 61 to 70 of about 310,492 (212)
Technological change and the tragedy of the commons: the Lofoten fishery over hundred and thirty years [PDF]
Why did the Lofoten cod fishery in Norway – a fishery on one of the world’s richest spawning grounds - remain less productive than alternative industries until the mid-1960s, despite important modernization of the fleet and fishing gear, improvements in ...
Hannesson, Rögnvaldur +2 more
core +1 more source
Giant Freshwater Prawn is one of the freshwater commodity which have an economy value where Nilem carp has also potentially to be cultured to produce fingerling size as a “baby fish”.
Setiadi Eri, Taufik Imam
doaj +1 more source
Diagnosing of Biological Productivity in Lake Ecosystems
This work presents the system for biological productivity estimation in lake ecosystems. Input parameters of system (x – variables) are latitude, specific catchment area, average annual air temperature, annual sum precipitation, mean and maximum water ...
Viktor V. Boulion
doaj +1 more source
Resilient livelihoods and food security in coastal aquatic agricultural systems: Investing in transformational change [PDF]
Aquatic agricultural systems (AAS) are diverse production and livelihood systems where families cultivate a range of crops, raise livestock, farm or catch fish, gather fruits and other tree crops, and harness natural resources such as timber, reeds, and ...
core
Purpose. To determine the optimum fingerling body weight during the process of young-of-the-year paddlefish (Polyodon spathula Walbaum) rearing. To adapt the existing technologies of young-of-the-year paddlefish rearing to conditions of southern Ukraine.
N. Grudko
doaj +1 more source
Background. The development of “artisanal” aquaculture, fish farming, fish cultivation in reservoirs of complex purpose is given great importance, both at the global level, in the Russian Federation and in Penza region.
Alik Yu. Asanov
doaj +1 more source
Fish Productivity and Species Diversity of Floodplain Lakes the River Basin Pripyat [PDF]
Розглянуто умови формування видового складу та рибопродуктивності заплавних озер басейну р. Прип’ять – якість води, кормова база, потенційна і фактична рибопродуктивність.
Gryb, Yo. W. +5 more
core
Purpose. To study the effect of feeding carp with VMA premix in a complex with fodder yeasts and separately on their productivity and some biochemical parameters of blood as well as to analyze the level of provision of the experimental groups of fish ...
O. Deren
doaj +1 more source
Purpose. To investigate the effect of feed fish with the additives NUPRO® and BIO-MOS® on the results of the rearing of age-1+ carp (Cyprinus carpio L.). Methodology.
А. Vaschenko, N. Matvienko
doaj +1 more source
The origins of intensive marine fishing in medieval Europe: the English evidence [PDF]
The catastrophic impact of fishing pressure on species such as cod and herring is well documented. However, the antiquity of their intensive exploitation has not been established. Systematic catch statistics are only available for ca.
Barrett, J H, Locker, A M, Roberts, C M
core +2 more sources

