烟台大学学报(自然科学与工程版)
煙檯大學學報(自然科學與工程版)
연태대학학보(자연과학여공정판)
JOURNAL OF YANTAI UNIVERSITY(NATURAL SCIENCE AND ENGINEERING EDITION)
2015年
3期
193-198
,共6页
侯朝伟%顾侨侨%潘广臣%单宝凯%邱盛尧
侯朝偉%顧僑僑%潘廣臣%單寶凱%邱盛堯
후조위%고교교%반엄신%단보개%구성요
山东半岛南部%中国明对虾%苗种规格%生长特性
山東半島南部%中國明對蝦%苗種規格%生長特性
산동반도남부%중국명대하%묘충규격%생장특성
Southern Shandong Peninsula%Fenneropenaeus chinensi%releasing size%growth characteristic
通过2013年山东半岛南部中国明对虾放流后的跟踪调查和后续的样品采集,收集不同生长发育阶段的中国明对虾,对其进行生物学测定和生长特性分析。研究结果表明:(1)山东半岛南部中国明对虾体长与体质量成幂指数关系,在体长相同的水平上,大规格苗种的体质量要大于小规格苗种。(2)8月中旬以前,大、小规格苗种存在明显的体长差异,8月下旬以后,小规格苗种体长可与大规格苗种趋近,但体质量并未与大规格苗种趋近,明显要小于大规格苗种。(3)小规格苗种理论生长年龄,明显大于大规格苗种理论生长年龄,表明小规格苗种入海后存在一个较长的生长适应期,对环境变化的适应性明显要差于大规格苗种。(4)小规格苗种体质量最快生长期较大规格苗种推迟16 d左右,适当延后开捕日期,可明显提高小规格苗种的产量。
通過2013年山東半島南部中國明對蝦放流後的跟蹤調查和後續的樣品採集,收集不同生長髮育階段的中國明對蝦,對其進行生物學測定和生長特性分析。研究結果錶明:(1)山東半島南部中國明對蝦體長與體質量成冪指數關繫,在體長相同的水平上,大規格苗種的體質量要大于小規格苗種。(2)8月中旬以前,大、小規格苗種存在明顯的體長差異,8月下旬以後,小規格苗種體長可與大規格苗種趨近,但體質量併未與大規格苗種趨近,明顯要小于大規格苗種。(3)小規格苗種理論生長年齡,明顯大于大規格苗種理論生長年齡,錶明小規格苗種入海後存在一箇較長的生長適應期,對環境變化的適應性明顯要差于大規格苗種。(4)小規格苗種體質量最快生長期較大規格苗種推遲16 d左右,適噹延後開捕日期,可明顯提高小規格苗種的產量。
통과2013년산동반도남부중국명대하방류후적근종조사화후속적양품채집,수집불동생장발육계단적중국명대하,대기진행생물학측정화생장특성분석。연구결과표명:(1)산동반도남부중국명대하체장여체질량성멱지수관계,재체장상동적수평상,대규격묘충적체질량요대우소규격묘충。(2)8월중순이전,대、소규격묘충존재명현적체장차이,8월하순이후,소규격묘충체장가여대규격묘충추근,단체질량병미여대규격묘충추근,명현요소우대규격묘충。(3)소규격묘충이론생장년령,명현대우대규격묘충이론생장년령,표명소규격묘충입해후존재일개교장적생장괄응기,대배경변화적괄응성명현요차우대규격묘충。(4)소규격묘충체질량최쾌생장기교대규격묘충추지16 d좌우,괄당연후개포일기,가명현제고소규격묘충적산량。
Three follow-up surveys on Fenneropenaeus chinensi are conducted after releasing in natural waters along Southern Shandong Peninsula in 2013 . Samples at different growing stages are collected for biological measuring and growth characteristics analysis. The results show that:(1)There exists an exponential relationship between body length and body weight of F. chinensi. with larger releasing size is heavier than that with smaller releasing size. (2) There are significant differences in body length between F. chinensi with different releasing sizes before mid-August, while, these differences decreases in late August and thereafter. However, the body weight of F. chinensi with larger releasing size remains much heavier than that with smaller size releasing across the whole time frame. (3) The theoretical growth age of the smaller F. chinensi is significantly older than that of the larger ones. This in-dicates that there is a longer growth adaption period for the smaller F. chinensi after releasing. The adaptability of F. chinensi with smaller releasing size to the environment is weaker than that of the larger ones. ( 4 ) The rapid growth period of body weight for smaller releasing F. chinensi is about 16 days later than that of the larger ones. Therefore, postponing the fishing date appropriately will significatly improve the yield of smaller F. chinensi signifi-cantly.