. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. 0-\—'—l—'—l—i—I—'—l—'—I—'—I—'—i—i—i—'—I—i—i—1—I 12 14 16 18 20 22 7L 26 2 8 3 0 32 3i Water temperature (*C) Fig. 7. The effect of temperature upon call rate in B. variegata from: a Plitvice; b Tübin- gen; c Chalkidiki; d Omis, sample 2; e Omis, sample 1; f B. orientalis; g hybrids B. bombina crxB. v. variegata er; h B. bombina. 3 20-,. ao I i ' i 1 K 16 18 20 22 2U 26 28 30 32 3¡. Writer temperature (°C| Fig. 8. The effect of temperature and body length upon call d
. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. 0-\—'—l—'—l—i—I—'—l—'—I—'—I—'—i—i—i—'—I—i—i—1—I 12 14 16 18 20 22 7L 26 2 8 3 0 32 3i Water temperature (*C) Fig. 7. The effect of temperature upon call rate in B. variegata from: a Plitvice; b Tübin- gen; c Chalkidiki; d Omis, sample 2; e Omis, sample 1; f B. orientalis; g hybrids B. bombina crxB. v. variegata er; h B. bombina. 3 20-,. ao I i ' i 1 K 16 18 20 22 2U 26 28 30 32 3¡. Writer temperature (°C| Fig. 8. The effect of temperature and body length upon call duration: a B. bombina (40 mm); b B. v. variegata from Plitvice ( mm); c B. bombina (48 mm); B. variegata from d Omis, sample 1 ( mm); e Plitvice ( mm); f Tübingen (45 mm); g Omis, sample 1 (44 mm); h Tübingen (47 mm); i Chalkidiki (38 mm), j hybrids B. bombina cr xB. v. variegata cr (28—32 mm). B. variegata from k Omis, sample 2 (50 mm) and 1 Tübingen (31 mm). B. orientalis m (47 mm) and n (43—45 mm). than those of the other toads. B. bombina, B. orientalis and B. variegata from Tübingen emit calls that have a logarithmic relation to temperature ( nonlinear), while the B. variegata investigated have call durations that vary linear- ly with temperature. Moreover, the regression line of hybrids lies between those. 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 Zoologisches Forschungsinstitut und Museum Alexander Koenig. Bonn : Das Forschungsinstitut
Size: 1620px × 1543px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookcoll, booksubjectbiology, booksubjectzoology
