Contributions Toward the Improvement of the Culture of Salmonoids And Crawfish in Smaller Water-Courses
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In our eReader you can find the full English version of the book. Read Contributions Toward the Improvement of the Culture of Salmonoids And Crawfish in Smaller Water-Courses 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 Contributions Toward the Improvement of the Culture of Salmonoids And Crawfish in Smaller Water-Courses
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7) should only be dammed up to the foot of the higher board. There would be no harm even if in each section the upper part of the bottom were kept dry for a length of 1 to 2 meters [3.28 to G.o6 feet]. In the lower part of each section the water will, in the beginning, before it reaches its proper level, overflow the board a little both at the top and at the sides.
It need not be feared that any fish will escape.
To better illustrate the use of the damming boards, we will give a practical examp...le: A ditch GO meters [19.6 feet] long, aud 70 centimeters [2.4 inches] deep, will, with a total fall of 190 centimeters [7.4 inches] only need three damming boards placed at equal distances from each other. With three boards and a ditch 70 centi- meters deep, however, a fall of 210 centimeters [8 inches] could be used. But as we need an entire height of boards of 190 centimeters [7.4 inches] in order to shut off the water in the ditch, the entire fall might be 20 centimeters [0.78 inch] more, and still three boai'ds would suflice.
What to read after Contributions Toward the Improvement of the Culture of Salmonoids And Crawfish in Smaller Water-Courses?
You can find similar books in the "Read Also" column, or choose other free books by Wozelka-Iglau, Karl. [from Old Catalog] to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
7) should only be dammed up to the foot of the higher board. There would be no harm even if in each section the upper part of the bottom were kept dry for a length of 1 to 2 meters [3.28 to G.o6 feet]. In the lower part of each section the water will, in the beginning, before it reaches its proper level, overflow the board a little both at the top and at the sides.
It need not be feared that any fish will escape.
To better illustrate the use of the damming boards, we will give a practical examp...le: A ditch GO meters [19.6 feet] long, aud 70 centimeters [2.4 inches] deep, will, with a total fall of 190 centimeters [7.4 inches] only need three damming boards placed at equal distances from each other. With three boards and a ditch 70 centi- meters deep, however, a fall of 210 centimeters [8 inches] could be used. But as we need an entire height of boards of 190 centimeters [7.4 inches] in order to shut off the water in the ditch, the entire fall might be 20 centimeters [0.78 inch] more, and still three boai'ds would suflice.
What to read after Contributions Toward the Improvement of the Culture of Salmonoids And Crawfish in Smaller Water-Courses?
You can find similar books in the "Read Also" column, or choose other free books by Wozelka-Iglau, Karl. [from Old Catalog] to read onlineMoreLess
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