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Natural History of the Salamander, Aneides hardii

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Published: 1959
Language: English
Wordcount: 4,728 / 23 pg
Flesch-Kincaid Reading Ease: 64.3
LoC Category: Q
Downloads: 350
Added to site: 2010.02.10
mnybks.net#: 26624
Genre: Science
Excerpt

57 | 34 | 43 | 100:126 +--------+---------+---------- All | 120 | 123 | 1:1 ---------------------+--------+---------+----------

Table 4.--Sex Ratios in Aneides hardii, Adults

=================================================== | Number | Number | Ratio of Locality | of | of | males to | males | females | females ---------------------+--------+---------+---------- Capitan Mountains | 35 | 19 | 100:54 Sierra Blanca | 22 | 7 | 100:32 Sacramentos, 1958 | 15 | 14 | 100:93 Sacramentos, '56-'57 | 22 | 16 | 100:73 ---------------------+--------+---------+----------

Age-ratio

The data in Table 5 show adult salamanders to outnumber young at each collecting locality. This is probably not an accurate reflection of actual age composition in this species. Yet, we obtained the same general result in all three years of the study. We assume, therefore, that young were located where we could not catch many of them; probably they were underground. Sites of hatching and of the activities of e

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Author of the Day

Julia Johnston
Growing up as one of six siblings, Julia Johnston learned to be a keen observer early on. This clearly shows in her multi-award winning debut novel "If Everyone Knew Every Plant and Tree" in which she portrays the life of an oddball teenager, Oliver Campbell with a remarkable amount of insight, empathy and humor.
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