Physiological Effects of carbon dioxide on marine invertebrates
二氧化碳对海洋无脊椎动物的生理影响
基本信息
- 批准号:15510004
- 负责人:
- 金额:$ 2.18万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (C)
- 财政年份:2003
- 资助国家:日本
- 起止时间:2003 至 2005
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The increasing atmospheric concentration of carbon dioxide (CO_2) has been acidifying the whole neritic ocean, thereby driving all marine organisms to live in increasingly acidic environments. In the present study, we evaluated the long-term effects of increased seawater CO_2 on the marine shrimp Palaemon pacificus. Shrimps were reared in seawater equilibrated with air containing 1,000 ppmv and 1,900 ppmv (parts per million by volume) CO_2, the atmospheric CO_2 concentration predicted to occur around the year 2100 and 2300, for 30 and 15 weeks, respectively, to investigate effects on survival, growth, feeding, moulting and reproduction. Survival was significantly suppressed in both CO_2 groups compared to the respective controls (the final survival of the 1,000 ppmv group 55%, control 95% ; 1,900 ppmv 65%, control 95%). Growth of the 1,900 ppmv shrimps was significantly depressed compared to the control although feeding was unaffected. In contrast, both growth and feeding were unaffected by the 30-week exposure to 1,000 ppmv, while moulting became significantly more frequent than in the control after 18 weeks. In addition, only one of the five females in the 1,000 ppmv group bore eggs once, compared with 1 to 3 times of egg production in all control females (n=6). The present results demonstrate that the predicted future seawater CO_2 conditions would possibly reduce shrimp population through negatively affecting mortality, growth, and reproduction. If other crustaceans are similarly affected, the future marine ecosystem may be drastically altered through changing the essential constituents of the marine food web.
大气中二氧化碳(CO_2)浓度的不断增加使整个浅海海洋酸化,从而迫使所有海洋生物生活在日益酸性的环境中。在本研究中,我们评估了海水CO_2增加对太平洋长虾的长期影响。将虾在含有 1,000 ppmv 和 1,900 ppmv(体积百万分之一)CO_2(预计大气 CO_2 浓度分别在 2100 年和 2300 年左右出现)的空气平衡的海水中饲养 30 周和 15 周,以研究对虾的生存、生长、摄食、蜕皮和繁殖的影响。与各自的对照组相比,两个CO_2组的存活率均显着受到抑制(1,000 ppmv组的最终存活率为55%,对照组为95%;1,900 ppmv组为65%,对照组为95%)。尽管摄食不受影响,但与对照相比,1,900 ppmv 虾的生长显着下降。相比之下,在 1,000 ppmv 浓度下暴露 30 周,生长和摄食均未受到影响,而 18 周后,换羽变得明显比对照更加频繁。此外,1,000 ppmv 组中的 5 只雌性中只有 1 只产卵一次,而所有对照雌性的产卵量为 1 至 3 倍 (n=6)。目前的结果表明,预测的未来海水 CO_2 条件可能会通过对死亡率、生长和繁殖产生负面影响来减少虾的数量。如果其他甲壳类动物也受到类似的影响,未来的海洋生态系统可能会通过改变海洋食物网的基本组成部分而发生彻底改变。
项目成果
期刊论文数量(36)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Acid-base responses to lethal aquatic hypercapnia in three marine fish
三种海水鱼对致命水生高碳酸血症的酸碱反应
- DOI:
- 发表时间:2004
- 期刊:
- 影响因子:0
- 作者:Hayashi;M.;J.Kita;A.Ishimatsu
- 通讯作者:A.Ishimatsu
Physiological effects on fishes in a high-CO_2 world.
高 CO_2 世界对鱼类的生理影响。
- DOI:
- 发表时间:2005
- 期刊:
- 影响因子:0
- 作者:Ishimatsu;A.;M.Hayashi;K.S.Lee;T.Kikkawa;J.Kita
- 通讯作者:J.Kita
Cardiac output during exposure to Chattonella marina and environmental hypoxia in yellowtail Seriola quinqueradiata
黄尾鰤暴露于查托氏菌码头和环境缺氧期间的心输出量
- DOI:
- 发表时间:2003
- 期刊:
- 影响因子:0
- 作者:Lee;K.S.;A.Ishimatsu;H.Sakaguchi;T.Oda
- 通讯作者:T.Oda
Kikkawa, T.: "Comparison of the lethal effect of CO_2 and acidification on red sea bream (Pagrus major) during the early developmental stages"Marine Pollution Bulletin. 48. 108-110 (2004)
Kikkawa, T.:“CO_2 和酸化对红鲷(真鲷)早期发育阶段致死效果的比较”海洋污染通报。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
Comparison of the acid-base responses to CO2 and acidification in Japanese flounder (Paralichthys olivaceus)
- DOI:10.1016/j.marpolbul.2004.07.013
- 发表时间:2004-12-01
- 期刊:
- 影响因子:5.8
- 作者:Hayashi, M;Kita, J;Ishimatsu, A
- 通讯作者:Ishimatsu, A
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ISHIMATSU Atsushi其他文献
ISHIMATSU Atsushi的其他文献
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{{ truncateString('ISHIMATSU Atsushi', 18)}}的其他基金
What made fishes to invade land
是什么让鱼类入侵陆地
- 批准号:
15K14790 - 财政年份:2015
- 资助金额:
$ 2.18万 - 项目类别:
Grant-in-Aid for Challenging Exploratory Research
Effects of ocean acidification and warming on the reproduction of sea urchins
海洋酸化和变暖对海胆繁殖的影响
- 批准号:
26281010 - 财政年份:2014
- 资助金额:
$ 2.18万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Ecological study of the mudskippers in the Mekong Delta, Vietnam
越南湄公河三角洲弹涂鱼的生态研究
- 批准号:
23405033 - 财政年份:2011
- 资助金额:
$ 2.18万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Effect of ocean acidification due to increasing seawater CO_2 concentration on early development and growth of fishes
海水CO_2浓度升高导致海洋酸化对鱼类早期发育和生长的影响
- 批准号:
21310013 - 财政年份:2009
- 资助金额:
$ 2.18万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Ecophysiological investigation of the environmental adaptation of Korean mudskippers
朝鲜弹涂鱼环境适应的生态生理学调查
- 批准号:
15405028 - 财政年份:2003
- 资助金额:
$ 2.18万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Ecophysiological Study on the survival strategy of mudskippers in subtropical mangrove swamps of Oceania
大洋洲亚热带红树林沼泽弹涂鱼生存策略的生态生理学研究
- 批准号:
12575023 - 财政年份:2000
- 资助金额:
$ 2.18万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Oxygen Radical Production by a Red Tide Flagellate Chattonella and its Ichthyotoxicity
赤潮鞭毛虫查托氏菌产生的氧自由基及其鱼毒作用
- 批准号:
04660208 - 财政年份:1992
- 资助金额:
$ 2.18万 - 项目类别:
Grant-in-Aid for General Scientific Research (C)
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