Naturalization of American Fishes in Austrian Waters
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In the unfortunately somewhat limited number of brooks and small rivers which for some time have been stocked with irideus in a regular and rational manner, a good stock has developed which spawn in open water and multiply in a natural way although not in great numbers. These do not show any of the symptoms of degeneration of the pond and fattened fish of this species.
AMERICAN FISHES IN AUSTRIA. 98 1 Not less valued than the rainbow trout was the American brook char, Sal- velinus fontinalis. I...t is true it was less utilized than the irideus, as it can only- live in spring water; its breeding gave very satisfactory results, however, in the first years after its introduction. Not inferior to the irideus as regards early growth, it behaved excellently even in ponds watered exclusively by precipitation of the atmosphere and it appeared as though the brook char might be qualified to replace our brook trout, whose breeding offers far greater difficulties. In the course of time, however, these sanguine expectations gave place to bitter disap- jjointment, and it became obvious that all the hopes entertained were chimerical.
What to read after Naturalization of American Fishes in Austrian Waters?
You can find similar books in the "Read Also" column, or choose other free books by Pirko, Franz Von. [from Old Catalog] to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
In the unfortunately somewhat limited number of brooks and small rivers which for some time have been stocked with irideus in a regular and rational manner, a good stock has developed which spawn in open water and multiply in a natural way although not in great numbers. These do not show any of the symptoms of degeneration of the pond and fattened fish of this species.
AMERICAN FISHES IN AUSTRIA. 98 1 Not less valued than the rainbow trout was the American brook char, Sal- velinus fontinalis. I...t is true it was less utilized than the irideus, as it can only- live in spring water; its breeding gave very satisfactory results, however, in the first years after its introduction. Not inferior to the irideus as regards early growth, it behaved excellently even in ponds watered exclusively by precipitation of the atmosphere and it appeared as though the brook char might be qualified to replace our brook trout, whose breeding offers far greater difficulties. In the course of time, however, these sanguine expectations gave place to bitter disap- jjointment, and it became obvious that all the hopes entertained were chimerical.
What to read after Naturalization of American Fishes in Austrian Waters?
You can find similar books in the "Read Also" column, or choose other free books by Pirko, Franz Von. [from Old Catalog] to read onlineMoreLess
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