| 印度尼西亚北苏拉威西红树林生态系统碳库研究 |
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| 引用本文： | 陈顺洋,陈彬,SASTROSUWONDO Pramudji,DHARMAWAN I Wayan Ek,欧丹云,尹希杰,俞炜炜,陈光程.印度尼西亚北苏拉威西红树林生态系统碳库研究[J].海洋学报(英文版),2018,37(12):85-91. |
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| 作者姓名： | 陈顺洋 陈彬 SASTROSUWONDO Pramudji DHARMAWAN I Wayan Ek 欧丹云 尹希杰 俞炜炜 陈光程 |
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| 作者单位： | 自然资源部第三海洋研究所, 厦门 36005, 中国,自然资源部第三海洋研究所, 厦门 36005, 中国,印度尼西亚科学院海洋研究中心, 雅加达 14410, 印度尼西亚,印度尼西亚科学院海洋研究中心, 雅加达 14410, 印度尼西亚;印度尼西亚科学比亚克海洋生物保护中心技术执行小组, 比亚克 98153, 印度尼西亚,自然资源部第三海洋研究所, 厦门 36005, 中国,自然资源部第三海洋研究所, 厦门 36005, 中国,自然资源部第三海洋研究所, 厦门 36005, 中国,自然资源部第三海洋研究所, 厦门 36005, 中国 |
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| 基金项目： | The China-Indonesia Ecological Station Establishment and Marine Biodiversity Investigation in North Sulawesi Sea; the Development and Implement Ocean Strategic Planning and Policy supported by Ministry of Natural Resources, PRC; the National Natural Science Foundation of China under contract Nos 41606105 and 41776102. |
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| 摘 要： | 近年来的研究指出红树林在海岸带碳固定和碳储存方面发挥着重要的作用。尽管印度尼西亚的红树林面积在全球占很大的比重，对于该地区红树林的有机碳储量和土壤有机碳来源的认识仍有限。本研究调查了印度尼西亚北苏拉威西海洋型的Wori红树林中生态系统有机碳储量及其空间分布特征，以及土壤有机碳的来源，以期加深该地区红树林“蓝碳”功能的认识。研究结果显示，Wori红树林0-50cm深度土壤中有机碳储量为15.4 kg/m2，占生态系统碳储量的主要部分（65%）。红树植物生物量和生态系统碳储量分别为8.3 kg/m2和23.7 kg/m2。土壤有机碳储量在不同离岸距离的采样站位中未表现出显著的空间分布差异，而生物量碳储量则在外滩最高。13C稳定同位素分析结果表明红树林土壤中蓄积的有机碳主要来源于红树林有机质，而潮水中的悬浮有机质和红树林外缘的海草并不构成红树林土壤有机碳的重要来源，它们的贡献者都低于20%。研究结果进一步证实了热带地区海洋型红树林湿地在碳储存以及红树植物对碳固定方面的重要性。
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| 关 键 词： | 红树林 碳储量 生物量 土壤 稳定同位素 印度尼西亚 |
| 收稿时间： | 2017/6/15 0:00:00 |
Ecosystem carbon stock of a tropical mangrove forest in North Sulawesi, Indonesia |
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| CHEN Shunyang,CHEN Bin,SASTROSUWONDO Pramudji,DHARMAWAN I Wayan Ek,OU Danyun,YIN Xijie,YU Weiwei and CHEN Guangcheng.Ecosystem carbon stock of a tropical mangrove forest in North Sulawesi, Indonesia[J].Acta Oceanologica Sinica,2018,37(12):85-91. |
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| Authors: | CHEN Shunyang CHEN Bin SASTROSUWONDO Pramudji DHARMAWAN I Wayan Ek OU Danyun YIN Xijie YU Weiwei and CHEN Guangcheng |
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| Institution: | 1.Third Institute of Oceanography, Ministry of Natural Resources, Xiamen 361005, China2.Research Center for Oceanography, Indonesian Institute of Sciences, Jakarta 14430, Indonesia3.Research Center for Oceanography, Indonesian Institute of Sciences, Jakarta 14430, Indonesia;Technical Implementing Unit Marine Life Conservation Biak, Indonesian Institute of Sciences, Biak 98152, Indonesia |
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| Abstract: | Recent studies have highlighted the valuable role played by mangrove forests in carbon sequestration and storage. Although Indonesia accounts for a large proportion of global mangrove area, knowledge on the carbon stock and sources in the Indonesian mangrove is still limited. In this study, we quantified the ecosystem organic carbon (OC) stock and its spatial variation at an oceanic mangrove in Wori, North Sulawesi, Indonesia. The sources of soil OC were also investigated. The results showed that the mangrove soil had a substantial OC stock containing 15.4 kg/m2 (calculated by carbon) in the top 50 cm soil, and represented the majority of the ecosystem OC stock at the Wori mangrove. The mangrove biomass and ecosystem OC stock were 8.3 kg/m2 and 23.7 kg/m2, respectively. There was no significantly difference in the soil OC stock among the stations with difference distances offshore, while the highest mangrove biomass OC stock was found at the seaward station. Isotope mixing calculations showed that the rich OC in mangrove soils was attributed to the accumulated autochthonous mangrove source while the suspended organic matter in tidal water and the mangrove-adjacent seagrass contributed less than 20% to the soil OC. The results further demonstrated the importances of the oceanic mangrove in carbon storage and the mangrove plants in contributing OC to their soils. |
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| Keywords: | mangrove carbon stock biomass soil stable isotopes Indonesia |
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