| 大亚湾大型海藻丛的大角玻璃钩虾种群分布特征 |
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| 引用本文： | 王卉,李恒翔,李路,严岩.大亚湾大型海藻丛的大角玻璃钩虾种群分布特征[J].热带海洋学报,2019,38(4):52-58. |
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| 作者姓名： | 王卉 李恒翔 李路 严岩 |
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| 作者单位： | 1. 中国科学院南海海洋研究所, 中国科学院热带海洋生物资源与生态重点实验室, 广东省应用海洋生物学重点实验室, 广东 广州 510301;2. 中国科学院大学, 北京 100049 |
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| 基金项目： | 国家重点研发计划项目(2017YFB0903703); 广东省自然科学基金项目 (2018A030313136); 广州市科技计划项目(201707010163) |
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| 摘 要： | 大角玻璃钩虾Hyale grandicornis是我国沿海潮间带常见的藻栖甲壳动物, 但目前关于其与栖息海藻的作用关系极少报道。2016年2—5月在大亚湾岩礁潮间带采集了石莼Ulva lactuca和半叶马尾藻变种Sargassum hemiphyllum var. chinense海藻, 结果显示大角玻璃钩虾在两种海藻丛中均有分布, 其中在石莼藻丛中分布的钩虾个体数量、平均体长和平均体重均大于在半叶马尾藻藻丛中。在半叶马尾藻藻丛中, 大角玻璃钩虾种群的性比、抱卵雌性比例和幼体比例相对较高, 而性成熟体长、抱卵雌性体长和卵粒体积则相对较小。研究表明, 大角玻璃钩虾在两种海藻中的种群分布与繁殖特征存在着差异, 可能受到栖息海藻形态结构及其生境等因素的影响。
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| 关 键 词： | 大亚湾 钩虾亚目 大型海藻 种群分布 繁殖特征 |
| 收稿时间： | 2018-11-14 |
| 修稿时间： | 2019-01-04 |
The population distribution of Hyale grandicornis in macroalgae canopies of Daya Bay |
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| Hui WANG,Hengxiang LI,Lu LI,Yan YAN.The population distribution of Hyale grandicornis in macroalgae canopies of Daya Bay[J].Journal of Tropical Oceanography,2019,38(4):52-58. |
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| Authors: | Hui WANG Hengxiang LI Lu LI Yan YAN |
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| Institution: | 1. South China Sea Institute of Oceanology, Chinese Academy of Sciences, CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, Guangzhou 510301, China;2. University of Chinese Academy of Sciences, Beijing 100049, China |
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| Abstract: | The gammarid Hyale grandicornis is a common crustacean species in macroalgae along the coastline of China, but the correlation between H. grandicornis and macroalgae is not well known. Two dominant macroalgae species found on coastal rocks of Daya Bay, the green algae Ulva lactuca and the brown algae Sargassum hemiphyllum var. chinense, were used in the experiments. H. grandicornis samples were found in the bush of two macroalgae canopies. The individual number, body size and weight of gammarid H. grandicornis population were higher in the bush of U. lactuca than in S. hemiphyllum var. chinense. The sex ratio and the proportion of females with eggs and the amount of juvenile of gammarid in bush of S. hemiphyllum var. chinense were larger than those in U. lactuca, whereas the body sizes of adults and females with eggs and the volume of eggs were smaller in gammarid from S. hemiphyllum var. chinense. Results demonstrate that the population distribution and production of gammarid H. grandicornis were different in the two macroalgae, which may be affected by the algal phenotype and habitat preference. |
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| Keywords: | Daya Bay gammarid macroalgae population distribution production |
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