. The ecology and life history of the common frog (Rana temporaria temporaria). Rana temporaria. 34 ECOLOGY AND LIFE HISTORY OF THE COMMON FROG the scarcity was even more obvious, and it was necessary to spend some time with the net before even ten tadpoles could be collected. The. lO 20 30 APRIL O 20 30 MAY 9 19 29 JUNE 9 19 JULY Fig. 10. Lower Parkfield Pond, 1949 A similar graph to that for 1948. With few tadpoles in the pond, growth was good. contrast with 1947, when hundreds could be collected in one sweep, was very striking. Fig. 9 shows that at no time were the differences between the w


. The ecology and life history of the common frog (Rana temporaria temporaria). Rana temporaria. 34 ECOLOGY AND LIFE HISTORY OF THE COMMON FROG the scarcity was even more obvious, and it was necessary to spend some time with the net before even ten tadpoles could be collected. The. lO 20 30 APRIL O 20 30 MAY 9 19 29 JUNE 9 19 JULY Fig. 10. Lower Parkfield Pond, 1949 A similar graph to that for 1948. With few tadpoles in the pond, growth was good. contrast with 1947, when hundreds could be collected in one sweep, was very striking. Fig. 9 shows that at no time were the differences between the weights of the tadpoles from different collecting points. 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 Savage, Ronald Maxwell. New York, Hafner Pub. Co.


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Keywords: ., bookcentury1900, bookcollectionbiodiv, booksubjectranatemporaria