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水温是影响南极磷虾种群分布及个体行为的重要因素。对南极磷虾进行船上暂养试验,采用渐变式、急变式2种温控方式,分析南极磷虾对海水温度变化的适应性。结果表明:南极磷虾的适宜临界海水温度为7℃左右,临界海水温度为14℃左右。南极磷虾对温度的变化具有一定的适应能力,但适应范围有限。
Water temperature is an important factor affecting the distribution and individual behavior of Antarctic krill. The Antarctic krill was carried on board for holding experiments on the ship. Two kinds of temperature control methods, gradual and abrupt, were used to analyze the adaptability of Antarctic krill to the variation of seawater temperature. The results showed that the suitable critical seawater temperature of Antarctic krill is about 7 ℃ and the critical seawater temperature is about 14 ℃. Antarctic krill has some adaptability to the change of temperature, but its adaptability is limited.