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Tourist activities consistent with sustainable development are an important component of the development strategies of many communes and counties in lakeland regions, including the county of Mrągowo in the Masurian Lake District. In the county under study, the abundance of lakes (over 12% of its area) and forests (constituting 30% of its area) and expanded recreation infrastructure (third place in...
Recreational fisheries and dynamically growing aquaculture are the leading disciplines in inland fisheries. In addition, recreational fisheries (particularly angling) as an element of recreational, active and specialist tourism, generates important social and economic benefits. In many countries, it constitutes a significant part of the gross national product. Recreational fisheries, as a distinct...
Background. Poland is one of the largest common carp producers in the European Union. By 2006, the annual production of carp and other cyprinid fish species had reached around 17 000 t. The economic efficiency of pond farms is not only significant for the performance of Poland’s traditional carp market, but it also supports the non-productive environmental functions of earthen carp ponds. The objective...
The objective of this study was to evaluate the economic effectiveness of various hormonal products for stimulating the reproduction of the cultured and wild forms of the common barbel Barbus barbus (L.). Three hormonal products were analyzed: Ovopel, Ovaprim (cultured and wild fish) and hCG (cultured fish). The economic effectiveness of hormonal stimulants was analyzed in view of ovulation rates,...
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