...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Reviews in Fisheries Science & Aquaculture >Technological Constraints During the First 40 Years of Eastern Oyster Crassostrea virginica Aquaculture
【24h】

Technological Constraints During the First 40 Years of Eastern Oyster Crassostrea virginica Aquaculture

机译：东部牡蛎Crassostrea virginica水产养殖前40年的技术限制

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

This article focuses on early efforts to culture eastern oyster larvae to settlement. Initial experiments were performed in 1878 and 1879 by Brooks, the first researcher to produce fertilized eggs. The subsequent challenge was to rear the microscopic larvae to settlement by feeding them and changing their culture water without losing them. Researchers like Ryder struggled with these problems, devising a number of filters and water circulation schemes, none of which were practical. Ryder eventually abandoned laboratory work and invented extensive and imaginative, but commercially unsuccessful, field trials to cultivate larvae in ponds and sluiceways. Subsequently, the Nelsons in New Jersey in the early 1900s tried similar experiments, ultimately focusing on understanding larval biology in nature and on predicting when naturally spawned larvae would settle so that settlement surfaces could be provided expeditiously. A breakthrough came in 1920 when Wells used a centrifuge to separate oyster larvae from old culture water, transferring the concentrated larval mass to new culture water. Wells then developed a system of culture vessels that enabled millions of competent larvae to be reared to settlement. Subsequently, researchers were able to study issues that enhanced the industrial culture of larvae of many bivalves, not just oysters.
机译：本文着重于早期养殖东部牡蛎幼体以使其定居的努力。最初的实验是由布鲁克斯在1878年和1879年进行的，布鲁克斯是第一位生产受精卵的研究人员。随后的挑战是通过喂养幼虫并更换其培养水而不丢失它们来饲养细幼虫，使其沉降。像赖德（Ryder）这样的研究人员在这些问题上苦苦挣扎，他们设计了许多过滤器和水循环方案，但都没有实用性。莱德最终放弃了实验室工作，并发明了广泛而富于想象力但在商业上不成功的田间试验，以在池塘和水闸中培育幼虫。随后，在1900年代初期，新泽西州的尼尔森一家尝试了类似的实验，最终着重于了解自然界中的幼虫生物学，并预测自然产生的幼虫何时定居，以便迅速提供定居表面。 1920年，Wells用离心机从旧养殖水中分离出牡蛎幼体，然后将浓缩的幼体转移到新的养殖水中，这是一个突破。然后，威尔斯开发了一个培养容器系统，使数百万只有能力的幼虫能够饲养到定居点。随后，研究人员得以研究增强许多双壳类幼虫的工业文化的问题，而不仅仅是牡蛎。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号