论文部分内容阅读
考察、记述了吉安地区大中型水库的浮游动物计有１３９种；其数量，平均密度为５４６２３个／ｌ，生物量５．４６９ｍｇ／ｌ；优势种类有２５种（属）；浮游动物的平均鱼产力为１１．６７ｋｇ／亩。上述调查数据为大、中型水库渔业开发提供科学依据。
There are 139 species of zooplankton in large and medium-sized reservoirs in Ji’an area. The average number of the zooplankton is 54623 / l, the biomass is 5.469mg / l, and the dominant species are 25 species The productivity is 11.67kg / mu. The above survey data provide a scientific basis for the development of large and medium-sized reservoirs.