湖泊的浮游动物在种群演替和数量变化方面都有极明显的周期性(Chen et al.,1987)。浮游动物的周期性变化,除受湖泊环境温度、光照的周期性变化等因素外,同时还受到水体的水动力作用影响(陈伟民等,1998)。 王家楫等(1965)对东湖的轮虫数...湖泊的浮游动物在种群演替和数量变化方面都有极明显的周期性(Chen et al.,1987)。浮游动物的周期性变化,除受湖泊环境温度、光照的周期性变化等因素外,同时还受到水体的水动力作用影响(陈伟民等,1998)。 王家楫等(1965)对东湖的轮虫数量进行了研究,陈受忠(1965)展开更多
The rotifer Brachionus plicatilis complex,including B.plicatilis O.F.Müller(formerly called L-type)and B.rotundiformis Tschugunoff(formerly called S-type),as an excellent live food for many species of marine fish...The rotifer Brachionus plicatilis complex,including B.plicatilis O.F.Müller(formerly called L-type)and B.rotundiformis Tschugunoff(formerly called S-type),as an excellent live food for many species of marine fish larvae,has been widely used in most of the modern marine hatcheries in the world.Rotifer resting eggs(i.e.dormant eggs)are considered as the best or ideal form for storage and application of the rotifers in aquaculture.Numerous studies have been therefore carried out on the resting eggs,especially on their dormancy and hatching.This paper reviews the relevant work on controlling factors of hatching,including both the internal factors(e.g.dormant period,genotype,and maternal culture history)and the external ones(e.g.preservation conditions and methods,preservation period,incubation conditions,and sterilizing or processing of the eggs).The possible functional mechanisms of these factors for the hatching of resting eggs are also discussed.展开更多
Chia Chi Wang(王家楫,1898-1976)was a famous protozoologist,the founder of protozoology and pioneer of rotif-erology in China(Fig.1).Chia Chi Wang was bom in a scholarly family in Fengxian,Jiangsu.At the age of six,he ...Chia Chi Wang(王家楫,1898-1976)was a famous protozoologist,the founder of protozoology and pioneer of rotif-erology in China(Fig.1).Chia Chi Wang was bom in a scholarly family in Fengxian,Jiangsu.At the age of six,he began to study at the Zhaowen Academy.When the country was declining,his father advocated that scholars should learn advanced tech no logy to change the status quo.His father's pioneering spirit and enlightened attitude towards new things had a profound impact on Chia Chi Wang's life.展开更多
文摘The rotifer Brachionus plicatilis complex,including B.plicatilis O.F.Müller(formerly called L-type)and B.rotundiformis Tschugunoff(formerly called S-type),as an excellent live food for many species of marine fish larvae,has been widely used in most of the modern marine hatcheries in the world.Rotifer resting eggs(i.e.dormant eggs)are considered as the best or ideal form for storage and application of the rotifers in aquaculture.Numerous studies have been therefore carried out on the resting eggs,especially on their dormancy and hatching.This paper reviews the relevant work on controlling factors of hatching,including both the internal factors(e.g.dormant period,genotype,and maternal culture history)and the external ones(e.g.preservation conditions and methods,preservation period,incubation conditions,and sterilizing or processing of the eggs).The possible functional mechanisms of these factors for the hatching of resting eggs are also discussed.
文摘Chia Chi Wang(王家楫,1898-1976)was a famous protozoologist,the founder of protozoology and pioneer of rotif-erology in China(Fig.1).Chia Chi Wang was bom in a scholarly family in Fengxian,Jiangsu.At the age of six,he began to study at the Zhaowen Academy.When the country was declining,his father advocated that scholars should learn advanced tech no logy to change the status quo.His father's pioneering spirit and enlightened attitude towards new things had a profound impact on Chia Chi Wang's life.
