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| 利用排水称重法测定、分析不同海区牡蛎的贝壳密度 |
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竺奇慧,张 瑞,纪 鹏,许 飞,李 莉,张国范
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中国科学院海洋研究所;中国科学院大学,中国科学院海洋研究所;中国科学院大学,中国科学院海洋研究所;中国科学院大学,中国科学院海洋研究所,中国科学院海洋研究所,中国科学院海洋研究所
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| 摘要: |
| 不规则物体体积测量的传统方法有排液法、称重法和排气法等, 不仅操作繁琐, 而且准确度及精确度低。本文首次提出了排水称重法, 利用该方法能够更加简单、快速、准确地测量出物体的体积和质量。用此法对不同海区26个采样点的1100个牡蛎贝壳密度进行了测定分析, 结果表明: 大部分牡蛎的左壳密度显著小于右壳密度(P <0.05); 对于不同海区间的牡蛎, 贝壳密度存在极显著的差异(P <0.001); 分布海区相近的牡蛎间, 壳的密度也趋于相近; 受环境压力相对较大的潮间带上部的牡蛎, 贝壳密度也相对较大。本研究为剖析牡蛎贝壳形成机制以及温度、盐度和海洋酸化等环境因素对牡蛎贝壳形成的影响等研究提供了实验数据和参考。 |
| 关键词: 排水称重法 贝壳体积 贝壳密度 牡蛎 |
| DOI：10.11693/hyhz20131200209 |
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| 基金项目:国家重点基础研究发展计划(973 计划)项目, 2010CB126402 号; 国家自然科学基金重点基金, 40730845 号; 国家高技术研究发展计划(863 计划), 2012AA10A405 号; 贝类产业技术体系, CARS-48 号; 泰山攀登计划 |
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| MEASUREMENT AND ANALYSIS OF SHELL DENSITY OF OYSTERS FROM DIFFERENT AREAS IN DRAINING-WEIGHING METHOD |
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ZhuQihui,ZhangRui,JiPeng,XuFei,lili and ZhangGuofan
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Institute of Oceanology, Chinese Academy of Sciences; University of Chinese Academy of Sciences,Institute of Oceanology, Chinese Academy of Sciences; University of Chinese Academy of Sciences,Institute of Oceanology, Chinese Academy of Sciences; University of Chinese Academy of Sciences,Institute of Oceanology, Chinese Academy of Sciences,Institute of Oceanology, Chinese Academy of Sciences,Institute of Oceanology, Chinese Academy of Sciences
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| Abstract: |
| Conventional methods for determining the volume of an irregular-shaped object include liquid or gas draining and weighing. These methods are complicated to operate, and low in precision. In this study, we described a novel draining-weighing method, with which the volume and weight of an irregular-shaped object can be easily and quickly measured in high precision. We measured and analyzed the shell density in the new method for 1100 oysters collected in 26 different sea areas. The result illustrates that the density of the left shell seemed greater (P <0.05) than that of the right half. The shell density showed significant differences among different sea areas. For any of the sea areas, the greater the distance in-between, the closer of the shell density produced. In addition, oysters from upper intertidal zone under harsh environmental stress presented greater shell density. |
| Key words: draining-weighing method shell volume shell density oyster |