“氧债”基本理论与养殖水质调控

Basic Theory of “Dissolved Oxygen Production and Consumption Difference” and Regulation of Aquaculture Water Quality

本文全面提出了“氧债”的科学内涵,总结了“氧债”产生的三大原因,即有机物长期沉积、溶解氧供给与消耗在空间上的不同位和在时间上的不同步。总结了“氧债”分布在时间上、空间上的表现以及变化规律的基本特点;分析了“氧债”在水产养殖过程中的正面作用和负面影响;提出了遵循“氧债”规律调控养殖水质的科学方法。

In this paper, the scientific connotation of “dissolved oxygen production and consumption difference” is proposed for the first time. The three reasons for “dissolved oxygen production and consumption difference” are analyzed in depth. The long-term accumulation of organic matter, the supply and consumption of dissolved oxygen are not consistent in space, and the supply and consumption of dissolved oxygen are inconsistent in time. The basic characteristics and change rules of the distribution of “dissolved oxygen production and consumption difference” in time and space are summarized. The positive and negative effects of “dissolved oxygen production and consumption difference” in aquaculture were analyzed. According to the change law of “the difference of dissolved oxygen production and consumption”, the method of scientific regulation and control of the water quality is put forward.