Bergmannn.

/ˈbəːɹɡmən/

Etymology: < the name of Carl Bergmann (1814–65), German biologist.

Used attributively and in the possessive to designate an ecogeographical rule first formulated by Bergmann in 1847 ( Göttinger Studien I. 707), according to which the average body size of a warm-blooded animal is larger in populations occupying the cooler parts of its geographical range. Cf. Allen's rule n.

ΘΚΠ

the world > animals > by habitat > [adjective] > relating to fauna > relating to distribution of > relating to types or features of

homoeozoic1852

holarctic1883

Bergmann1929

Lotka–Volterra1937

1929 R. Mell in Lingnan Sci. Jrnl. 8 187 The Bergmann law is not valid for cold-blooded animals.

1937 W. C. Allee & K. P. Schmidt Hesse's Ecol. Animal Geogr. xxiv. 386 This principle has been called ‘Bergmann's Rule’ after its discoverer.

1937 W. C. Allee & K. P. Schmidt Hesse's Ecol. Animal Geogr. xxiv. 502 The increase of size in the colder zones, in accordance with the Bergmann Rule, is a familiar phenomenon in the alpine zone.

1954 G. L. Clarke Elem. Ecol. 158 These simple ecological relationships, in addition to underlying Bergmann's principle and Allen's rule, undoubtedly account in part at least for the fact that no extremely small mammals or birds exist, that is, as small as the majority of insects.

1955 Evol. IX. 24 There is no physiological evidence, in beast or man, that the minor and erratic subspecific trends expressed in Bergmann's and Allen's rules reflect phylogenetic pathways of heat-conserving adaptation.

1987 New Scientist 16 July 34/1 As the analysis moves from south to north, the tidy trend predicted by Bergmann's rule seems to hold good—at first.

This entry has not yet been fully updated (first published 1997; most recently modified version published online December 2018).

单词	bergmann
释义	Bergmannn. /ˈbəːɹɡmən/ Etymology: < the name of Carl Bergmann (1814–65), German biologist. Used attributively and in the possessive to designate an ecogeographical rule first formulated by Bergmann in 1847 ( Göttinger Studien I. 707), according to which the average body size of a warm-blooded animal is larger in populations occupying the cooler parts of its geographical range. Cf. Allen's rule n. ΘΚΠ the world > animals > by habitat > [adjective] > relating to fauna > relating to distribution of > relating to types or features of homoeozoic1852 holarctic1883 Bergmann1929 Lotka–Volterra1937 1929 R. Mell in Lingnan Sci. Jrnl. 8 187 The Bergmann law is not valid for cold-blooded animals. 1937 W. C. Allee & K. P. Schmidt Hesse's Ecol. Animal Geogr. xxiv. 386 This principle has been called ‘Bergmann's Rule’ after its discoverer. 1937 W. C. Allee & K. P. Schmidt Hesse's Ecol. Animal Geogr. xxiv. 502 The increase of size in the colder zones, in accordance with the Bergmann Rule, is a familiar phenomenon in the alpine zone. 1954 G. L. Clarke Elem. Ecol. 158 These simple ecological relationships, in addition to underlying Bergmann's principle and Allen's rule, undoubtedly account in part at least for the fact that no extremely small mammals or birds exist, that is, as small as the majority of insects. 1955 Evol. IX. 24 There is no physiological evidence, in beast or man, that the minor and erratic subspecific trends expressed in Bergmann's and Allen's rules reflect phylogenetic pathways of heat-conserving adaptation. 1987 New Scientist 16 July 34/1 As the analysis moves from south to north, the tidy trend predicted by Bergmann's rule seems to hold good—at first. This entry has not yet been fully updated (first published 1997; most recently modified version published online December 2018). < n.1929
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