Forest fire impacts on hydrological processes and carbon cycle in East-Siberian taiga

森林火灾对东西伯利亚针叶林水文过程和碳循环的影响

• 批准号: 18255014
• 负责人: HASEGAWA Shuichi
• 金额: $ 20.55万
• 依托单位: Hokkaido University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (A)
• 财政年份: 2006
• 资助国家: 日本
• 起止时间: 2006 至 2008
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-18255014/
• 关键词: 東シベリアタイガ; 森林火災; 地球温暖化; 炭素固定機能; 土壌水分; 土壌呼吸; 温暖化効果ガス; 個葉の分光放射特性; 東シベリア

東シベリアカラマツ成熟林に対する地表火の影響は年降水量により異なり、平年並みでは地表面からの蒸発速度と土壌の貯水量が地表火の影響を受けず、林床植生の焼失で余剰になった土壌水分がカラマツ成熟木に利用されて林冠の炭素固定能力が向上した。しかし、多雨年が続くと地表火跡地の土壌含水率は飽和へ近づき、林冠木の衰退・枯損を誘発して炭素固定機能は低下した。森林衰退の跡地は湿地化が進み、生態系の遷移が沼地化へと不可逆的に移行して温暖化効果の多大なCH4放出源を作り出すことが懸念された

The annual precipitation, the rate of evaporation, the amount of water, the amount of water and the amount of water on the ground surface are affected by the annual precipitation, the rate of evaporation, the rate of evaporation, the amount of water, and the amount of carbon in the canopy of mature wood. In rainy years and rainy years, the moisture content of soil and forest canopy declined and withered in rainy years and rainy years. Forest decline, land wetting, biogas migration, biogas migration, irreversible migration, warming, how big is the release of CH4, the source of forest degradation, the migration of marshes, the irreversible migration of moors, the irreversible migration of marshes, the irreversible migration

项目成果

CH4 and N2O emissions from a forest‐alas ecosystem in the permafrost taiga forest region, eastern Siberia, Russia

• DOI: 10.1029/2007jg000521
• 发表时间: 2008-06
• 期刊: Journal of Geophysical Research
• 作者: F. Takakai;A. Desyatkin;C. Lopez;A. Fedorov;R. Desyatkin;R. Hatano

Larch taiga on pernafrost is facing the risk of catastrophic degradation by immoderate increasing precipitation regimes

多年冻土上的落叶松针叶林正面临因降水过度增加而导致灾难性退化的风险

• 发表时间: 2008
• 作者: Hideyuki Saito;Hidenari Iwasaki;Alexander P. Isaev;Kazunobu Kuwao;Alexander N. Fedorov;Trofim C. Maximov;Shuich Hasegawa
• 通讯作者: Shuich Hasegawa

Study of parameter of chlorophyll fluorescence in Ephedra monosperma during cold hardening

麻黄冷炼过程中叶绿素荧光参数的研究

• 发表时间: 2009
• 期刊: In : 4th International Workshop on C/H_2O/ Energy balance and climate over boreal regions with special emphasis on eastern Eurasia (eds, Maximov TC.et al.)
• 作者: Sofronova VE.;Saito H.
• 通讯作者: Saito H.

Effect of human activity on carbon balance in meadows in a thermokarst depression in Siberia

人类活动对西伯利亚热岩溶洼地草甸碳平衡的影响

• 发表时间: 2007
• 期刊: Eurasian Journal of Forest Research 10
• 作者: Desyatkin AR.;Hatano R
• 通讯作者: Hatano R

Overview of artificial ground-fire experiment on water and carbon cycle processes in a mature larch forest of Spasskaya Padforest, Yakutia

雅库特斯帕斯卡亚森林成熟落叶松林中水和碳循环过程的人工地面火灾实验概述

• 发表时间: 2008
• 作者: Saito H.;Iwasaki H. Kuwao K;Takahashi K.;Hasegawa S.;Maximov T. C.
• 通讯作者: Maximov T. C.