THERMOREGULATION IN 4 SPECIES OF ARCTIC SEABIRDS
THERMOREGULATION IN 4 SPECIES OF ARCTIC SEABIRDS
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DOI：
10.1007/bf00691000
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发表时间：
1988-01-01
影响因子：
2
通讯作者：
KARLSEN, HE
中科院分区：
文献类型：
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作者：
GABRIELSEN, GW;MEHLUM, F;KARLSEN, HE
在斯瓦尔巴群岛的Ny-Alesund研究了四种海鸟的体温调节。本研究的主要发现有：1.静息代谢率（RMR）分别为1.64、1.00、1.59和1.11 ml O_2/g·cm ~（-1）。h，热导率（TC）分别为0.0466、0.0336、0.0475和0.0282 ml O_2/g·cm ~（-1）。h.degree.体温（Tb）40.2、38.7、39.9和39.6 ℃。C，分别在Kittiwakes，Fulmars，Black和Brunnich's Guillemots。2.所有4个种属的RMR值均高于基于Lasiewski和Dawson（1967）公式的预测值。Aschoff and Pohl（1970）and Ellis（1984）.在Kittiwakes中，实测RMR值分别为预测值的183%、158%和156%，而在Fulmars中仅为131%、113%和112%。3.与三趾鸥和黑海鸠相比，Fulmars和Brunnich's海鸠的热导率较低，即绝缘性较好。本研究中得到的TC值与根据赫雷德和凯塞尔（1967）以及Aschoff（1981）方程预测的值不同。虽然赫雷德和凯塞尔的值有所升高，但阿肖夫的方程给出的值低于我们的测量值。4.低的环境温度和鸟类的活动水平被认为是高的RMR在Kittiwakes的主要原因。Black and Brunnich's海鸠5.在Fulmars测得的RMR值没有不同的Procellariiformes在亚南极洲的研究。这表明，较低的代谢率和体温使Fulmars能够在长时间的禁食中生存。
Thermoregulation was studied in four species of seabirds in Ny-Alesund, Svalbard. The major findings of the study are: 1. Resting metabolic rates (RMR) were 1.64, 1.00, 1.59 and 1.11 ml O2/g .cntdot. h, thermal conductance (TC) 0.0466, 0.0336, 0.0475 and 0.0282 ml O2/g .cntdot. h.degree. C and body temperature (Tb) 40.2, 38.7, 39.9 and 39.6.degree. C, in Kittiwakes, Fulmars, Black and Brunnich''s Guillemots, respectively. 2. RMR values from all four species were above predicted values based on equations from Lasiewski and Dawson (1967). Aschoff and Pohl (1970) and Ellis (1984). In Kittiwakes the measured RMR values were 183%, 158% and 156% of predicted values while in Fulmars only 131%, 113% and 112%. 3. Thermal conductance was lower, i.e. insulation better, in Fulmars and Brunnich''s Guillemots compared to Kittiwakes and Black Guillemots. TC values obtained in this study were different from values predicted from equations of Herreid and Kessel (1967) and Aschoff (1981). While Herreid and Kessel''s values were somewhat elevated, Aschoff''s equation gave values below our measurements. 4. Low ambient temperatures and the birds'' activity level are suggested as the major reason for high RMR in Kittiwakes. Black and Brunnich''s Guillemots. 5. The RMR values measured in Fulmars did not differ from those of Procellariiformes studied in sub-Antarctica. It is suggested that the lower metabolic rate and body temperature enable Fulmars to survive extended periods of fasting.