STUDY ON THE EVALUATION OF ECOSYSTEM FUNCTION OF OKINAWA TIDAL FLATS
冲绳滩涂生态系统功能评价研究
基本信息
- 批准号:07454213
- 负责人:
- 金额:$ 5.06万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (B)
- 财政年份:1995
- 资助国家:日本
- 起止时间:1995 至 1997
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Ecosystem function of tidal flat was theoretically analyzed and they were evaluated quantitatively. It has several functions such as 1) Resting and feeding sites for bids, 2) Environmental purification ground of organic materials carried by river system, 3) Beautiful landscape, 4) Site for recreation, 5) Fishery ground, and 6) Site for research and education.Quantitative analysis of the function of environmental purification was conducted by evaluating the feeding activity of the fiddler crab Uca vocans vocans. Considering its density, diurnal activity rhythm and its ambient environment, 20-80 kg of organic nitrogen were estimated to be consumed in the area of 1 ha. If deposit feeders do not occur on the tidal flat, a reduced environment might appear according to the accumulation of a huge amount of organic matter. Feeding activity of other dominant species should be studied in detail and total activity of benthic animals should also be estimated.On the other hand, filtration of sea water by sandy beach was analyzed. In a sandy beach of 1 km long, about 70 metric tons of sea water were estimated to be filtered. COD which is an indicator of the amount of organic matter in an environment apparently decreased after the filtration by the sandy beach.Dynamics of organic matter on tidal flat, sandy beach and coral reef should be analyzed with reference to the its inflow from river system, and ecosystem function of tidal flat should be discussed more quantitatively.
从理论上分析了潮滩生态系统功能,并对其进行了定量评价。通过对招潮蟹招潮蟹(Uca vocans vocans)摄食活动的评价,对招潮蟹的环境净化功能进行了定量分析。考虑到其密度、日活动节律和周围环境,估计每公顷消耗20-80公斤有机氮。如果潮滩上没有存款的饲养者,根据大量有机质的积累,可能会出现一个还原环境。另外,还应详细研究其他优势种的摄食活动,估算底栖动物的总活动量,并分析桑迪海滩对海水的过滤作用。在1公里长的桑迪海滩中,估计约有70公吨海水被过滤。有机质的变化趋势表明,作为环境中有机质含量指标的COD在经过桑迪海滩过滤后明显降低,潮滩、桑迪海滩和珊瑚礁上有机质的动态变化应结合河流入流情况进行分析,并对潮滩生态系统功能进行定量探讨。
项目成果
期刊论文数量(23)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
TSUCHIYA,Makoto: "Environmental punification in coral reefs : Maintenance of beautiful landscape by biological activities" Proc.Int.Workshop on Response of Coral Reefs to Global Change, Tsukuba. 50-53 (1996)
土屋诚:“珊瑚礁的环境惩罚:通过生物活动维护美丽的景观”Proc.Int.研讨会珊瑚礁对全球变化的响应,筑波。
- DOI:
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- 影响因子:0
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土屋 誠: "沖縄の自然を知る(加藤・池原編著)、III-2.サンゴ礁と干潟生態系" 築地書館, 296 (1997)
土屋诚:“了解冲绳的本质(加藤和池原编辑),III-2.珊瑚礁和滩涂生态系统”筑地书刊,296(1997)
- DOI:
- 发表时间:
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- 影响因子:0
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土屋 誠: "沖縄の自然を知る(加藤・池原編著)、III-2.サンゴ礁と干潟生態系" 築地所館, 296 (1997)
土屋诚:“了解冲绳的本质(加藤和池原编辑),III-2.珊瑚礁和滩涂生态系统”筑地所馆,296(1997)
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- 发表时间:
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- 影响因子:0
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TSUCHIYA,Makoto: Micro-Islands in Coral Reefs in Coral Reefs (with M.Nishihira & others). Heibonsha Co.Ltd., 23 (1995)
土屋诚:珊瑚礁中的微型岛屿(与 M.Nishihira 合作)
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- 影响因子:0
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- 通讯作者:
Nakano, Yoshikatsu: "Influence of severe freshwater flooding during the rainy season on the coral community around Khang Khao Isand,the Gulf of Thailand" Thai Journal of Aquatic Science. (印刷中).
Nakano, Yoshikatsu:“雨季严重淡水洪水对泰国湾康考岛周围珊瑚群落的影响”《泰国水生科学杂志》(正在出版)。
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- 影响因子:0
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TSUCHIYA Makoto其他文献
TSUCHIYA Makoto的其他文献
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{{ truncateString('TSUCHIYA Makoto', 18)}}的其他基金
Evaluation of function in Island and coral reef ecosystems with reference to the effect of human activities
结合人类活动的影响评估岛屿和珊瑚礁生态系统的功能
- 批准号:
16201009 - 财政年份:2004
- 资助金额:
$ 5.06万 - 项目类别:
Grant-in-Aid for Scientific Research (A)
Development of restoration and conservation technique for the disturbed island ecosystem in the Ryukyu Archipelago
琉球群岛受干扰岛屿生态系统恢复与保护技术开发
- 批准号:
12794001 - 财政年份:2000
- 资助金额:
$ 5.06万 - 项目类别:
Grant-in-Aid for University and Society Collaboration
Effect of artificial disturbance on coral reef communities : A case study in the Gulf of Thailand
人工干扰对珊瑚礁群落的影响:泰国湾的案例研究
- 批准号:
06041089 - 财政年份:1994
- 资助金额:
$ 5.06万 - 项目类别:
Grant-in-Aid for international Scientific Research
Community organization of associates of the scleractinian coral Pocillopora damicornis
石珊瑚类珊瑚 Pocillopora damicornis 的群落组织
- 批准号:
01540551 - 财政年份:1989
- 资助金额:
$ 5.06万 - 项目类别:
Grant-in-Aid for General Scientific Research (C)
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