中国对虾育苗池和养成池微型污着生物群落的研究

于１９９２年４－１０月在山东省青岛市黄岛前湾育苗场和胶南市红石崖镇邵家村养殖场，采用载玻片挂片和对中国对虾现场取样的方法，研究中国对虾育苗池和养成池载玻片挂 表面和对体表微型污着生物群落的组成和发展。     

点带石斑鱼人工育苗技术

通过58批次的人工育苗试验，总结点带石斑鱼人工育苗技术；阐述了育苗池、育苗的环境条件、鱼苗不同生长阶段的饵料及投喂方法、育苗水质管理及生产中的操作方法等；讨论了如何解决开口饵料问题和出现3个危险期的原因等。     

长竹蛏人工育苗技术的初步研究

本文对长竹蛏繁殖习性、胚胎发育和人工育苗技术关键进行研究．结果表明亲贝经暂养可促进性成熟；幼虫对温、盐度的适应较广；变态附着采用缩光培育,未经缩光的附着时间延长,存活率降低;幼虫长至约240μm变态附着,附着量在(0.6～10)×106个/m     

综合利用对虾扇贝育苗池常温育裙带菜苗试验

本试验是利用对虾(扇贝)育苗池进行室内常温培育裙带菜苗。试验证明,育苗数量完全可以达到生产上的要求,这样既可充分提高对虾(扇贝)育苗池的利用率,又可解决裙带菜苗源不足的问题,促进裙带菜养殖事业的发展。     

日本鬼

选用脊尾白虾对日本鬼鱼由亲鱼人工驯化投饵促熟.以扇贝卵子和轮虫作为育苗开口饵料,以卤虫幼体和蒙古裸腹氵蚤经营养强化作为育苗饵料,并对投饵技术进行调整改进.     

单环刺螠(Urechis unicinctus)的人工苗种生产研究 Ⅰ .水温对胚胎发育及幼体培育的影响

为给单环刺 (U.unicinctus)的苗种生产提供有效的基础资料 ,本文研究了水温对单环刺胚胎发育的影响。结果表明 :单环刺各胚胎发育期的发育速度 (h)随水温 (T)升高而加快 ,有明显的正相关性。求得胚胎发育的生物学零度为平均 2℃。不同水温条件下 ,各期幼虫期的存活率以2 0℃为最高 ,培育水温高于或低于 2 0℃时生存率逐渐降低。幼虫培育适宜温度为 15～ 2 0℃。     

Different thermal preferences for brooding and larval dispersal of two neighboring shrimps in deep‐sea hydrothermal vent fields

Temperature is an important factor affecting the distributions and life‐history traits of marine animals. Deep‐sea hydrothermal vents are suitable environments to examine ecologic differences related to temperature, due to the steep temperature gradients around the vents. Rearing experiments under various temperature conditions (5–30 °C) at atmospheric pressure demonstrated a difference in thermal effects on egg hatching and larva in two co‐occurring, vent‐associated alvinocaridid shrimps – the peripherally distributed Alvinocaris longirostris and the centrally distributed Shinkaicaris leurokolos. The duration before hatching became shorter as temperature increased, while the maximum hatching rate occurred at higher temperatures in S. leurokolos (10–20 °C) than in A. longirostris (10 °C). Hatched larvae of both species were negatively buoyant, and larva with normal abdominal length could actively swim and stay suspended in the mid‐ or surface water layers of the culture plates under our experimental conditions. However, no larvae settled or metamorphosed into juveniles under the rearing conditions used in this study. Larvae with shortened abdomens occurred under most of the experimental conditions, although they were less frequent at 10 °C in A. longirostris and 20 °C in S. leurokolos. The maximum survival periods at these temperatures were 88 days in A. longirostris and 30 days in S. leurokolos. These characteristics may cause differences in the distributional ranges of the two species. The present results indicate that temperature is an important factor controlling life‐history traits of vent shrimps.     

温度对刺参繁殖期消化酶和代谢酶活力的影响

为探究刺参(Apostichopus japonicus)繁殖期消化、代谢生理特点,作者以刺参亲参(240 g±15 g)为实验材料,设置了5个温度水平(6、10、14、18、21℃),研究了温度对刺参繁殖期内肠道消化酶和体壁肌肉代谢酶活力的影响。结果发现:温度对亲参繁殖期消化酶、代谢酶活力受培育水温影响显著(P0.05)。其中,胰蛋白酶与淀粉酶活力随水温升高呈先升高后降低的趋势,在10℃时活力最高且达到峰值;脂肪酶活力随着养殖水温升高呈下降趋势,在6℃时活力最高。己糖激酶、丙酮酸激酶、乳酸脱氢酶、苹果酸脱氢酶活力随水温升高出现先增高后降低的趋势,在10℃时达到峰值;而琥珀酸脱氢酶活力随温度升高呈下降趋势。研究表明,10~14℃温度下,亲参消化酶与代谢酶活力均处于较高水平,是理想的亲参室内促熟温度参数。     

Interannual variability in the biochemical composition of newly hatched larvae of the spider crab Maja brachydactyla (Decapoda,Majidae)

The spider crab Maja brachydactyla is an important commercial species in Europe and supports intensive fisheries in the NE Atlantic. A field survey was performed to assess long‐term and consecutive interannual (2005–2010) variation of the biochemical composition of newly hatched larvae of M. brachydactyla. Larval biochemical profiles differed significantly among years, with pronounced differences being recorded in 2010. Differences among batches of newly hatched larvae were mainly explained by the contribution of triacylglycerols and, to a lesser degree, by protein and lipid content. The use of different nutrition indices is discussed. The biochemical composition of newly hatched larvae from M. brachydactyla was highly variable, even though surveyed broodstock was obtained from the same local population and was always sampled during the same season. The unpredictable biochemical profiles of newly hatched larvae may condition their survival and recruitment. This largely overlooked aspect of larval variability should be considered in future fisheries management strategies and captive production of marine organisms that still rely on wild seeds.     

日本鬼鱼由工厂化育苗技术研究

从北部湾沿海采捕的日本鬼鱼由 ( Inimicus japonicus)亲鱼 ,经暂养后进行催产 ,雌鱼每千克体重注射 L RH-A3 1 0μg DOM 5mg或 HCG 60 0～ 80 0 IU LRH-A3 3 0～ 4 0μg;雄鱼注射同样药物 ,剂量减半。共采卵 1 0 9万粒 ,平均受精率 89.0 % ,平均孵化率 90 .0 % ,共培育出体长 1 .8～ 2 .3 cm的幼鱼 2 6.8万尾 ,平均成活率 3 0 .7%。