Populacni parametry - zaklad k hospodareni s rybami v udolnich nadrzich.
1999
Pivnicka K.
In this paper a simple examples are shown to stress the importance of gathering and evaluating of the weight increments the survival rate of the stocked fish and the fishing pressure and its influence on yield of carps. The most important information is weight increments. The growth can be improved by enlarging the amount of food by removing part of the native species or by stocking predators of suitable length.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
المعلومات البيبليوغرافية
تم تزويد هذا السجل من قبل Wolters Kluwer