. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. i r- Fig. 2. B. variegata from Omis, sample 1: Oscillograms of mating calls of a mm long male at 18° C (a) and at 26 °C (b), and of a 44 mm long male at 18 °C (c) and at 26°C (d). Time marks 50 Hz. N o c a> D D" 0) LL 1- 0 I 1 ! 1 1 1 1 0 OA 0,8 1,2 Time (s) Fig. 3. Sonagram of a mating call of a male from Omis, sample 2, mm in length at a water temperature of 18°C (3a) and 26°C (3b). a. Call rate The call rate is significantly related to temperatu
. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. i r- Fig. 2. B. variegata from Omis, sample 1: Oscillograms of mating calls of a mm long male at 18° C (a) and at 26 °C (b), and of a 44 mm long male at 18 °C (c) and at 26°C (d). Time marks 50 Hz. N o c a> D D" 0) LL 1- 0 I 1 ! 1 1 1 1 0 OA 0,8 1,2 Time (s) Fig. 3. Sonagram of a mating call of a male from Omis, sample 2, mm in length at a water temperature of 18°C (3a) and 26°C (3b). a. Call rate The call rate is significantly related to temperature and is unaffected by body size. The correlation is positive and linear (Fig. 4). For example, for males from Omis, sample 1 and 2, from Plitvice and from Chalkidiki, rise of temperature from 18 °C to 28 °C is followed by acceleration of call rate from to calls per minute ( a factor of ), 67 to calls per minute ( x), to calls per minute ( x), and to calls per minute ( x), 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
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