. An ecological study of the mayfly Chirotenetes [microform]. Ãphémères; Mayflies; Flies; Mouches. 28 Clemens: Ecological Study of Ciiirotenetes tion were taken from the creek in the gorge in bottles with a cX'h^ /^° â¢'⢠^"^' ^^""'^ ''-'' ^"^-â¢^d t" «tand\.â- ^^. '^*r "'"?"'"' *" ^""^^' entrained bubbles of air t, escape and determinations were carried out at once. Thiro ^ a possibility that a small quantity of entrained air sti 1 remained in the bottle but the results obtained do n represent the total amount of oxygen availabl


. An ecological study of the mayfly Chirotenetes [microform]. Ãphémères; Mayflies; Flies; Mouches. 28 Clemens: Ecological Study of Ciiirotenetes tion were taken from the creek in the gorge in bottles with a cX'h^ /^° â¢'⢠^"^' ^^""'^ ''-'' ^"^-â¢^d t" «tand\.â- ^^. '^*r "'"?"'"' *" ^""^^' entrained bubbles of air t, escape and determinations were carried out at once. Thiro ^ a possibility that a small quantity of entrained air sti 1 remained in the bottle but the results obtained do n represent the total amount of oxygen available, for t tumbling waters hold a large amount of entrained ai wh c would be of extreme value to the nymphs. In winter at o° the results show the water to be almost saturated wi h oxygen. In summer, although the amount per million cubic centimeters has dropped considerably, still the water frequently supersaturated. (Fig. 5.) The Ohio State Board. jrtcf JIK. r;'la'nlI^âXt';f^^\^°;;i:^u^â^."'^il^^ of ^.turation of water ~ nm^?,â,= f"".' '" r«"? !*â â milllion. amounts of saturation in parts per million, of Health ('97) has reported water in Ohio supersaturated with oxygen during August, September ..,d October Ihel^nl (13) states that the carbon dioxide content is probaWy 1 best sing e index of the suitability of water for fishes beca.^. "s oT tttaV" T r^ '"!.^.^-^'^ ^^^^^- Chemical ani- ses of the Asater of Cascadilla Creek show a low carlxm dioxide content throughout the year, especially in ZsT^Z. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Clemens, W. A. (Wilbert Amie), 1887-1964. [Toronto : University Library, pub. by the librarian]


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectflies, bookyear1917