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Volumn 277, Issue 5332, 1997, Pages 1622-1623

Tempo and mode of speciation

Author keywords

[No Author keywords available]

Indexed keywords

MITOCHONDRIAL DNA;

EID: 0030863098     PISSN: 00368075     EISSN: None     Source Type: Journal    
DOI: 10.1126/science.277.5332.1622     Document Type: Review
Times cited : (13)

References (21)
  • 12
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    • (1989) J. Geol. Soc. London , vol.146 , pp. 7
    • Sepkoski, J.J.1
  • 13
    • 3543130443 scopus 로고
    • J. J. Sepkoski, J. Geol. Soc. London 146, 7 (1989); D. Jablonski, Science 253, 754 (1991); G. J. Retallack, ibid. 267, 77 (1995).
    • (1991) Science , vol.253 , pp. 754
    • Jablonski, D.1
  • 14
    • 0028977627 scopus 로고
    • J. J. Sepkoski, J. Geol. Soc. London 146, 7 (1989); D. Jablonski, Science 253, 754 (1991); G. J. Retallack, ibid. 267, 77 (1995).
    • (1995) Science , vol.267 , pp. 77
    • Retallack, G.J.1
  • 16
    • 84974146778 scopus 로고
    • 0.383, where A is the period's rock area divided by that of the Cenozoic.
    • (1976) Paleobiology , vol.2 , pp. 279
    • Raup, D.M.1
  • 18
    • 84985305522 scopus 로고
    • P. W. Bretsky and S. W. Bretsky, Lethaia 9, 223 (1976); W. D. Allmon, G. Rosenberg, R. W. Porten, K. S. Schindler, Science 260, 1626 (1993).
    • (1976) Lethaia , vol.9 , pp. 223
    • Bretsky, P.W.1    Bretsky, S.W.2
  • 20
    • 14444284814 scopus 로고    scopus 로고
    • note
    • First, arrange the data in order of declining accumulation rates, so that the "first" period has the highest rate and the "last" has the lowest. This imposes the largest possible negative second derivative on the data. Second, reverse the order (so that the one with the lowest rate is first). This imposes the largest possible positive second derivative on the data. The results are, in the first case, an exponent of 0.866 in a power fit, and in the second, an exponent of 1.204. The figure shows the polynomial approximations of these curves.
  • 21
    • 14444268060 scopus 로고    scopus 로고
    • note
    • Title respectfully purloined from my late colleague, G. G. Simpson. I thank W. DiMichele, D. Jablonski, K. Flessa, M. McKinney, A. Miller, K. Niklas, S. Pimm, J. Sepkoski, and D. A. Thomson for stimulating ideas, advice, and feedback.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.