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Importance of boreal forest ecosystems of Komi Republic for the regional and European methane budget

科米共和国北方森林生态系统对区域和欧洲甲烷预算的重要性

基本信息

批准号：
222333738
负责人：
Dr. Julia Schneider
金额：
--
依托单位：
Institut für Umweltwissenschaften
依托单位国家：
德国
项目类别：
Research Grants
财政年份：
2012
资助国家：
德国
起止时间：
2011-12-31 至 2017-12-31
项目状态：
已结题

来源：
https://gepris.dfg.de/gepris/projekt/222333738?language=en
关键词：
Importance boreal forest ecosystems Komi

项目摘要

The European budget of the greenhouse gas methane is dominated by landscape sources from the cold climates ecozone (taiga and tundra), according to our first rough estimate approximately by up to 76 %. Large areas of Komi Republic and the rest of European Russia are covered by paludified forests characterised by waterlogged soils that contain high amounts of carbon. These soil properties have been recognized as prerequisites for methane emissions in many studies. Assuming that these ecosystems are methane sources would increase the European CH4 emission estimate from 5 to 13 Tg CH4 per year. Additional to the natural paludification this process might occur after clear cut which is the main implemented logging type in Russia. Hence the amount of possible methane emissions from paludified forests of Komi Republic has to be quantified and included into the regional and European greenhouse gas emission budgets. The aim of this project is to understand the current methane dynamics in natural paludified forests and on clear cut areas. We will determine the current emissions of methane and analyse the soil and vegetation properties as well as climatic conditions as controls of methane emissions. We will use remote sensing techniques to estimate the area of natural paludified forests and paludified clear cuts and calculate scenarios of different logging methods and intensities as well as calculate how far Russia is offsetting their carbon budget by prospective induced methane emissions due to clear cutting.

欧洲预算的温室气体甲烷是占主导地位的景观来源，从寒冷的气候生态区（针叶林和苔原），根据我们的第一个粗略估计约高达76%。科米共和国和俄罗斯欧洲部分的大部分地区都被沼泽化森林覆盖，其特征是含有大量碳的积水土壤。在许多研究中，这些土壤特性已被认为是甲烷排放的先决条件。假设这些生态系统是甲烷源，欧洲的甲烷排放量估计数将从每年5 Tg增加到13 Tg。除自然沼泽化外，这一过程可能发生在俄罗斯主要实施的采伐类型--皆伐之后。因此，科米共和国沼泽化森林可能的甲烷排放量必须量化，并纳入区域和欧洲温室气体排放预算。该项目的目的是了解天然沼泽化森林和皆伐区目前的甲烷动态。我们将确定目前的甲烷排放量，并分析土壤和植被特性以及气候条件作为甲烷排放的控制因素。我们将使用遥感技术来估计天然沼泽化森林和沼泽化皆伐区的面积，并计算不同伐木方法和强度的情景，以及计算俄罗斯在多大程度上通过皆伐引起的预期甲烷排放来抵消其碳预算。

项目成果

期刊论文数量（4）

专著数量（0）

科研奖励数量（0）

会议论文数量（0）

专利数量（0）

Methane Emissions from Paludified Boreal Soils in European Russia as Measured and Modelled

DOI：
10.1007/s10021-017-0188-y
发表时间：
2017-09
期刊：
Ecosystems
影响因子：
3.7
作者：
J. Schneider;B. Ťupek;M. Lukasheva;Vasiliy Gudyrev;Mikhail Miglovets;H. Jungkunst
通讯作者：
J. Schneider;B. Ťupek;M. Lukasheva;Vasiliy Gudyrev;Mikhail Miglovets;H. Jungkunst

Russian boreal peatlands dominate the natural European methane budget

俄罗斯北方泥炭地主导欧洲自然甲烷预算

DOI：
10.1088/1748-9326/11/1/014004
发表时间：
2016
期刊：
Environmental Research Letters
影响因子：
6.7
作者：
Schneider;Jungkunst;Schreiber;Gažovič;Miglovets;Mikhaylov;Grunwald;Erasmi;Wilmking;Kutzbach
通讯作者：
Kutzbach

Modeling micro-topographic controls on boreal peatland hydrology and methane fluxes

模拟微地形对北方泥炭地水文和甲烷通量的控制