不同规格近江牡蛎的排氨率和耗氧率分析

doi:10.11978/j.issn.1009-5470.2013.01.008

热带海洋学报 ›› 2013, Vol. 32 ›› Issue (1): 60-63.doi: 10.11978/j.issn.1009-5470.2013.01.008cstr: 32234.14.j.issn.1009-5470.2013.01.008

不同规格近江牡蛎的排氨率和耗氧率分析

印丽云^{1, 2}, 高永利¹, 杨振才², 喻子牛¹

1. 中国科学院南海海洋研究所, 广东广州 510301; 2. 河北师范大学生命科学学院, 河北石家庄 050024

收稿日期:2013-04-20 修回日期:2013-04-20 出版日期:2013-04-19 发布日期:2013-04-20
通讯作者: 喻子牛。E-mail: carlzyu@scsio.ac.cn
作者简介:印丽云(1986—)，女，河北省秦皇岛市人，硕士研究生，研究方向为水生动物学。E-mail：leehomyun@126.com
基金资助:
中国科学院知识创新工程重要方向项目(KZCX2-YW-Q07-03)

Effects of body size on respiration and excretion of Hong Kong oyster Crassostrea hongkongensis

YIN Li-yun^{1, 2}, GAO Yong-li¹, YANG Zhen-cai², YU Zi-niu¹

1. South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China; 2. College of Biological Sciences, Hebei Normal University, Shijiazhuang 050024, China

Received:2013-04-20 Revised:2013-04-20 Online:2013-04-19 Published:2013-04-20

摘要/Abstract

摘要： 采用实验生态学方法研究了不同规格近江牡蛎的呼吸和排泄生理生态学参数。结果显示，近江牡蛎耗氧率R_O随软体干重(W )的增加而减小, 体重对近江牡蛎耗氧率(R_O)的影响达极显著水平，R_O = 1.8232W^-0.7600, (R²= 0.8313 , P <0.01); 近江牡蛎的排氨率(R_N)和排磷率(R_P)随软体干重的增加而降低，呈负相关关系；而氧氮比O/N和氮磷比N/P在各组间未达显著水平(P >0.05) , R_N = 0.0930W^-0.6582 (R² = 0.7444, P <0.01)、R_P = 0.0126W^-0.8874 (R² = 0.9224，P <0.01)；各组不同规格近(大小)江牡蛎的O/N值较高，而N/P值则随规格增大而呈上升趋势，但差异也不显著(P >0.05)。这些研究结果对牡蛎养殖密度和环境关系分析及牡蛎健康养殖具有重要参考价值。

关键词: 近江牡蛎, 耗氧率, 排氨率, 规格

Abstract: The relationship of respiration and excretion to body size in Crassostrea hongkongensiswas studied under controlled laboratory conditions, in hopes of providing some scientific data for assessing the carrying capacity of aquaculture, ecological and physiological studies of C. hongkongensis. The results showed that the oxygen consumption rate (R_O) decreased significantly over the increase of dry tissue weight (W) among the groups of different body sizes (P<0.01), and the ammonia excretion rate (R_N), and phosphorus excretion rate (R_P) of C.hongkongensisyielded significant variations among the groups of different sizes in terms of dry tissue weight (P<0.01). However, no significant difference of O/N and N/P ratio among these groups was detected (P>0.05). The oxygen consumption rate, ammonia excretion rate, and phosphorus excretion rate of C.hongkongensiswere correlated negatively with the dry tissue weight. The correlations were presented by the equations R_O=1.8232W^-0.7600(R²=0.8313, P<0.01); R_N = 0.0930W^-0.6582(R²= 0.7444, P<0.01); and R_P = 0.0126W^-0.8874(R²= 0.9224, P<0.01). The values of O/N were high in all groups, and the N/P ratios showed incremental trend over the dry tissue weight increasing among the groups.

Key words: Crassostrea hongkongensis, respiration, excretion, body size

中图分类号:

S917.4

印丽云, 高永利, 杨振才, 喻子牛. 不同规格近江牡蛎的排氨率和耗氧率分析[J]. 热带海洋学报, 2013, 32(1): 60-63.

YIN Li-yun, GAO Yong-li, YANG Zhen-cai, YU Zi-niu. Effects of body size on respiration and excretion of Hong Kong oyster Crassostrea hongkongensis [J]. Journal of Tropical Oceanography, 2013, 32(1): 60-63.

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不同规格近江牡蛎的排氨率和耗氧率分析

Effects of body size on respiration and excretion of Hong Kong oyster Crassostrea hongkongensis

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