The Protection of Fresh-Water Mussels
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In our eReader you can find the full English version of the book. Read The Protection of Fresh-Water Mussels Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book The Protection of Fresh-Water Mussels
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To quickly assess the difficulty of the text, read a short excerpt:
This would be the substantial advantage that such a size limit would have to the mussel beds ; and any advantage to the mussel beds is an ultimate advantage to the fishermen, manufacturers, and all others in any way dependent upon the perpetuation of the mussels. Under the working of a 2-inch size limit, 60 shells out of every 100 then being taken on the niggerhead beds of that vicinity would have been thrown back. This seems to be asking a good deal, but not so much as at first ajipears, for t...he undersized shells constitute only 38 per cent of the weight or selling value of the shells taken.
On the other hand, both sheller and manufacturer would be saved the trouble of handling over and over again an unnecessarily large number of shells. A ton of shells (from the same locality) com- prising only those above 2 inches in greatest dimension would con- tain about 13,000 pairs, or 37 per cent less than the number now found in a ton (20,500), while these shells, the smallest ones being eliminated, would produce at least 10 i>er cent more buttons of corresponding sizes.
What to read after The Protection of Fresh-Water Mussels?
You can find similar books in the "Read Also" column, or choose other free books by Coker, R. E. (Robert Ervin), 1876-1967 to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
This would be the substantial advantage that such a size limit would have to the mussel beds ; and any advantage to the mussel beds is an ultimate advantage to the fishermen, manufacturers, and all others in any way dependent upon the perpetuation of the mussels. Under the working of a 2-inch size limit, 60 shells out of every 100 then being taken on the niggerhead beds of that vicinity would have been thrown back. This seems to be asking a good deal, but not so much as at first ajipears, for t...he undersized shells constitute only 38 per cent of the weight or selling value of the shells taken.
On the other hand, both sheller and manufacturer would be saved the trouble of handling over and over again an unnecessarily large number of shells. A ton of shells (from the same locality) com- prising only those above 2 inches in greatest dimension would con- tain about 13,000 pairs, or 37 per cent less than the number now found in a ton (20,500), while these shells, the smallest ones being eliminated, would produce at least 10 i>er cent more buttons of corresponding sizes.
What to read after The Protection of Fresh-Water Mussels?
You can find similar books in the "Read Also" column, or choose other free books by Coker, R. E. (Robert Ervin), 1876-1967 to read onlineMoreLess
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