Lesson 3: Species in the environmental complex

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Table 3.3. Barbour et al. 1999. Summary of environmental conditions at the transplant gardens
Three ecotypes (subspecies) of Potentilla glandulosa and their appearance in each of the transplant gardens Ecotype Nevadensis • Photos along the diagonal show the species as it grows at its native site. • All of the populations were shown to be interfertile. reflexa • They concluded, as Turesson did, that species are really composed of genetically distinct groups of ecotypes which are best suited their specific environment. typica Fig. 3-6 from Barbour et al.
Page 1 and 2: Lesson 3: Species in the environmen
Page 3 and 4: Why are organisms absent some place
Page 5 and 6: Liebig s Law of the Minimum • Lie
Page 7 and 8: Shelford s Law of Tolerance • The
Page 9 and 10: -phile and -phobe • These suffixe
Page 11 and 12: Biotic Controls: Competitive exclus
Page 13 and 14: Competitive exclustion in plants: H
Page 15 and 16: The ecological (or realized) niche
Page 17 and 18: Dwight Billings • Dwight Billings
Page 19 and 20: Billings: Groups of factors in a te
Page 21 and 22: What is a species?: The biological
Page 23 and 24: Ecotype Concept • Many botanists
Page 25 and 26: Turreson s observations of Betula .
Page 27: Clausen, Keck, and Heisey (1940) Fi
Page 31 and 32: Morphological, biochemical, and phe
Page 33 and 34: Ecocline concept • Langlet (1959)
Page 35 and 36: Other studies the helped demonstrat
Page 37 and 38: McGraw and Antonovics study of Drya
Page 39: Literature for Lesson 3 • Billing

Lesson 3: Species in the environmental complex

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