水生动物一般为冷血变温动物，体温随外界温度变化而变化，因此秋后外界温度下降时，水生动物体温随之下降，新陈代谢功能减低，最后进入冬眠状态。而保护地水产养殖主要指在秋后自然界温度下降时通过覆盖塑膜、设置锅炉的增温、保温及采光等保护性措施，使棚内水体达到水生动 Aquatic animals are generally cold-blooded animals, body temperature changes with changes in the external temperature, so fall outside temperature drops, the aquatic animal body temperature decreases, reduced metabolism, and finally into the hibernation. Protected aquaculture mainly refers to the fall of nature when the temperature dropped by covering the plastic film, set the boiler temperature, heat and lighting and other protective measures to shed shed water to aquatic