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1)  reproductive cycle
繁殖周期
1.
The development of germ cells of peanut worms, Sipunculus nudus, proceeding with seasonal alternating was observed by optical microscope to study reproductive cycle of the population in the sea of Guangxi.
通过观察体腔生殖细胞发育的季节变化,研究广西海区方格星虫繁殖周期
2.
The reproductive cycle of marine bivalves is closely related to cycles of nutrient storage and use and to environmental factors such as water temperature and food availability.
海洋贝类的繁殖周期与营养物质储存、利用和环境因子(如海水温度、食物可得性、盐度等)密切相关。
3.
The reproductive cycle of the razor clam Sinonovacula constricta(Lamark) from the Yellow River Delta in Shandong Province was studied from April 2007 to March 2008 in relation to environmental conditions.
自2007年4月~2008年3月对山东省黄河三角洲缢蛏的繁殖周期及其与环境因子(温度、盐度和叶绿素a含量)的关系进行了研究。
2)  Periodical reproduction
周期性繁殖
3)  changes of reproductive cycle
繁殖周期变化
4)  Breeding period
繁殖期
1.
Through herding observation on the spot of the lucky nature reserve in the Inner Mongol picture, have studied the big bustard s domain behavior in breeding period.
通过在内蒙古图牧吉自然保护区的实地观察,研究了大鸨在繁殖期的领域行为。
2.
It carried out observation for the territorial behaviour of Black-browed Reed Warbler in breeding period (incubation and feeding nestling),from May to July,1987 at Duling Forestry Centre, Huangnihe Forestry Bureau, Dunhua City, Jilin Province.
1987年5~7月在吉林省敦化市黄泥河林业局都陵林场,对黑眉苇莺繁殖期(孵卵与育雏期)的领域性行为进行了观察。
5)  pre-laying phase
繁殖前期
1.
Diurnal time-activity budgets of Grus nigricollis for the pre-laying phase in northern Tibet;
藏北黑颈鹤繁殖前期的昼间活动时间分配
6)  breeding season
繁殖期
1.
The survey on the population density in breeding season of Himalayan snowcock Tetraogallus himalayensis was conducted with total number count and line-transect census methods in Dongdashan and Yanchiwan Nature Reserve,Gansu Province,from April to July,2004 and 2005.
2004年和2005年的4~7月,采用绝对数量调查与样线调查相结合的方法,分别对甘肃省东大山自然保护区和盐池湾自然保护区的高山雪鸡繁殖期种群密度进行了调查研究。
2.
Characteristics of calls of Parus monticolus,including preserving territory,warning call,gathering call,alarming call,guarding call and young bird feeding call were studied with computer analysis during the breeding season in Pingshan County of Sichuan Laojunshan Nature Reserve by spectrographic analysis from April to June,2005.
2005年4~6月,在四川屏山县老君山自然保护区采用计算机声谱分析技术,对绿背山雀繁殖期护域、警告、报警、警戒和幼雏乞食的鸣声进行了初步研究。
3.
From 1997 to 1998, the spatial pattern and its variations in this species in winter and breeding seasons, as well as its relation to habitat structure, were studied in Wulushan Nature Reserve of Shanxi Province, Ch.
1997~ 1998年在山西省五鹿山自然保护区内对世界珍禽褐马鸡 (Crossoptilonmantchuricum)越冬期与繁殖期的空间分布模式及其变化规律进行了研究 ,同时探讨了种群空间分布模式与栖息地结构特征之间的关系。
补充资料:《水产资源繁殖保护条例》
      中华人民共和国国务院 1979年2月10日颁布的有关保护水产资源的行政法规。条例分8章20条,主要内容有:
  
  ① 关于保护范围和对象。规定凡具有经济价值的水生动物和植物的亲体、幼体、卵子、孢子等及其赖以繁殖成长的水域环境都要加以保护,并列出重要或名贵的水生生物作为重点保护对象。
  
  ② 关于采捕原则。规定水生动物的可捕标准应当以达到性成熟为原则,经济藻类和淡水食用水生植物,应在长成后采收。
  
  ③ 关于禁渔区和禁渔期。要求对于某些重要鱼虾贝类产卵场、越冬场和幼体索饵场,应合理规定禁渔区、禁渔期,完全禁止捕捞作业或加以限制。
  
  ④ 关于渔具和渔法。要求对各种主要渔具,按不同捕捞对象,分别规定最小网眼(箔眼)尺寸;严禁炸鱼、毒鱼、滥用电力捕鱼以及进行敲作业等严重损害水产资源的行为。
  
  ⑤ 关于水域环境的维护。规定禁止向渔业水域排放有害水产资源的污染物和废弃物;修建水利工程要注意不损害水产资源。
  

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