Environmental rehabilitation of tropical peat land

热带泥炭地环境恢复

基本信息

  • 批准号:
    04041089
  • 负责人:
  • 金额:
    $ 21.76万
  • 依托单位:
  • 依托单位国家:
    日本
  • 项目类别:
    Grant-in-Aid for international Scientific Research
  • 财政年份:
    1992
  • 资助国家:
    日本
  • 起止时间:
    1992 至 1994
  • 项目状态:
    已结题

项目摘要

Lowland-tropical peatlands are unique ecosystems. They are both peatlands and tropical swamp forest wich have co-existed for several thousands of years. We investigated both ecosystems of natural swamp forest and Sago palm cultivation at Naman forest reserve and Talau Peat Research Station, respectively, in Sarawak, East Malaysia.Tropical peat soils were classified into oligotrophic peat soils due to their low N,P,K and Ca contents and low pH.Most of Cu and Fe occured in strongly chelated and non-extractable forms. However, the concentrations of N,P,K and Ca in soil solution were not low. A large quantity of hardly decomposed logs and stumps are buried in peat soils. To clarify the distribution of them, ground proving radar was used and succeeded to identify.Amount of litterfall in mixed swamp forest was stable through the year. Nutrient deficiency was not detected for major nutrients. Nutrient cycling in mixed swamp forest is not different from other tropical forest. Decomposition of leaf litter was rapid on Convex of forest floor, which showed higher density of soil macro-fauna and microarthropods. Methane production and emission from soil were studied. Small amount of methane was released from the soil surface, though large amount was accumulated in deeper peat layrsDespite of low Cu and Zn concentration in peat soil and soil solution, Cu and Zn deficiency did not appear in Sago palm. Cu content was low in Sago palm growing on deep peat, which showed slow growth compared with those growing on shallow peat or alluvial soils. The input and output buget of Cu and Zn in eco-system showed that Cu tended to accumurate and Zn tended to be lost from peat land under Sago palm cultivation. Cultivation without appropriate plannings will not assure the sustainable land use in tropical peatlands.
热带低地泥炭地是独特的生态系统。它们都是泥炭地和热带沼泽森林,已经共存了几千年。在马来西亚东部沙捞越的Naman森林保护区和Talau泥炭研究站分别对天然沼泽林和种植西果棕的生态系统进行了调查,结果表明,热带泥炭土因其N、P、K、Ca含量低和pH值低而被归类为贫营养泥炭土,Cu和Fe主要以强螯合态和不可提取态存在。但土壤溶液中N、P、K、Ca的含量并不低。大量难以分解的原木和树桩埋在泥炭土中。为了弄清它们的分布,利用地面探测雷达成功地识别出了它们。未发现主要营养素的营养缺乏。沼泽混交林的养分循环与其他热带森林没有什么不同。林地地表凸面凋落物分解较快,土壤动物和小型节肢动物密度较高。研究了土壤甲烷的产生和排放。13尽管泥炭土和土壤溶液中Cu、Zn含量较低,但西铁莲并未出现Cu、Zn缺乏的现象。生长在深层泥炭土上的西米中铜含量较低,与生长在浅层泥炭土或冲积土上的西米相比,表现出缓慢的生长。铜、锌在生态系统中的输入和输出收支表明,种植西米的泥炭地中铜有富集的趋势,锌有流失的趋势。没有适当规划的种植将不能保证热带泥炭地的可持续土地利用。

项目成果

期刊论文数量(30)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
犬伏和之・アムナット チッタイソン・梅林正直: "熱帯泥炭土壌のメタンと大気への放出" 日本土壌肥料学会講演要旨集. 39. (1993)
Kazuyuki Inubushi、Amnat、Chittaison 和 Masashi Umebayashi:“热带泥炭土中的甲烷和向大气的排放”,日本土壤与肥料学会讲座摘要 39。(1993 年)
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    0
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Yamaguchi, Y., S.Rakkheaw, S.Angsupanich and Y.Aruga: "Seasonal changes of the phytoplankton chlorophyll a and their relation to the suspended solid in Thale Sap Songkhla, Thailand." La mer 32. 31-39 (1994)
Yamaguchi, Y.、S.Rakkheaw、S.Angsupanich 和 Y.Aruga:“泰国宋卡 Thale Sap 浮游植物叶绿素 a 的季节变化及其与悬浮固体的关系。”
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    0
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K.Naganuma,M.Okazaki,K.Yonebayashi,K.Kyuma,P.Vijarnsorn,and Z.A.Bakar: "Suraface Charge and adsorption characteristics of copper and zinc on tropical peat soils" Soil Science and Plant Nutrition. 39. (1993)
K.Naganuma、M.Okazaki、K.Yonebayashi、K.Kyuma、P.Vijarnsorn 和 Z.A.Bakar:“热带泥炭土上铜和锌的表面电荷和吸附特性”土壤科学和植物营养。
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    0
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K.Yonebayashi M.Okazaki and J.Pechayapisit: "Woody fragments in tropical peat soils" 東南アジア研究(Southeast Asian Studies).
K. Yonebayashi M. Okazaki 和 J. Pechayapisit:“热带泥炭土中的木质碎片”东南亚研究。
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    0
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米林甲陽・山田秀明・岡崎正規 リム チン パン: "熱帯泥炭の特性と利用に関する研究(6) 東南アジア低湿地泥炭土壌からのメタン発生について" 日本土壌肥料学会講演要旨集. 40. 188 (1994)
Koyo Yonebayashi、Hideaki Yamada、Masanori Okazaki 和 Lim Chin Pan:“热带泥炭的特性和利用研究(6)关于东南亚低洼泥炭土的甲烷生成”日本土壤与肥料学会摘要 40。 188 (1994)
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YONEBAYASHI Koyo其他文献

YONEBAYASHI Koyo的其他文献

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{{ truncateString('YONEBAYASHI Koyo', 18)}}的其他基金

The trace element deficiency of plant occurs by the chelate ability of soil humic substances.
植物微量元素缺乏是由于土壤腐殖质的螯合能力而发生的。
  • 批准号:
    20580064
  • 财政年份:
    2008
  • 资助金额:
    $ 21.76万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Is the theory to form trihalomethane by chlorination of aquatic humic substances truth?
水生腐殖质氯化形成三卤甲烷的理论正确吗?
  • 批准号:
    15600004
  • 财政年份:
    2003
  • 资助金额:
    $ 21.76万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Preparation of aquatic fulvic acid standard sample and preparation of those guarantee data
水生黄腐酸标准样品的制备及保证数据的准备
  • 批准号:
    13460033
  • 财政年份:
    2001
  • 资助金额:
    $ 21.76万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Chemical structure model for the component of humic substances by the computer modeling.
通过计算机建模建立腐殖质成分的化学结构模型。
  • 批准号:
    09460040
  • 财政年份:
    1997
  • 资助金额:
    $ 21.76万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B).
On the chemical structure and plant growth-promotion effects of environmental humic acids.
环境腐植酸的化学结构及促植物生长作用。
  • 批准号:
    60470124
  • 财政年份:
    1985
  • 资助金额:
    $ 21.76万
  • 项目类别:
    Grant-in-Aid for General Scientific Research (B)
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