Effect of climate on coarse woody debris decay dynamics and incorporation into the soils of forested Alpine areas (DecAlp)

气候对粗木质碎屑腐烂动态及其融入高山森林地区土壤的影响 (DecAlp)

• 批准号: 220008281
• 负责人: Professorin Dr. Gabriele Broll
• 金额: --
• 依托单位: BOKU
• 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 2019-12-31
• 项目状态: 已结题
• 来源: https://gepris.dfg.de/gepris/projekt/220008281?language=en
• 关键词: Effect; climate; coarse; woody; debris

The project deals with coarse woody debris, decay processes in alpine forest soils, soil organisms, humus forms and their relation to climate in an Alpine area (Trentino, climosequences from 1000 m to about 2200 m asl, N- and S- facing slopes, natural coniferous forest). Planned activities are grouped among 3 different “compartments”: Coarse woody debris (CWD) → Humus forms → Soil organic matter (SOM). We have the following research questions: (i) How does climate affect coarse woody decay above and especially in the soil of alpine sites? (ii) What time scales are involved in (CWD decay as a function of climate)? How quickly is CWD integrated into SOM fractions? In which way are the decay products of CWD stabilised? (iii) What are the links between decay mechanisms and the spatial distribution of humus forms? (iv) Can the humus form serve as a proxy for the soil biota for the spatial extrapolation.

该项目涉及粗木质碎片，高山森林土壤中的衰减过程，土壤生物，腐殖质形式及其在高山区域攀爬的关系（Trentino，从1000 m到约2200 m ASL，N- ASL，N-和S face faceplots specters升序，自然有针叶森林）。计划的活动分为3个不同的“隔室”：粗木质碎片（CWD）→腐殖质形式→土壤有机物（SOM）。我们有以下研究问题：（i）气候如何影响上面的粗木腐烂，尤其是在高山地点的土壤中？ （ii）什么时间尺度涉及（CWD衰减随气候的函数）？ CWD将其集成到SOM分数中的速度如何？ CWD的衰减产物以哪种方式稳定？ （iii）腐烂机制与腐殖形式的空间分布之间有什么联系？ （iv）腐殖形形式可以作为空间外推的土壤生物群的代理。

项目成果

A Fuzzy Logic Based Method for Modeling the Spatial Distribution of Indicators of Decomposition in a High Mountain Environment

• DOI: 10.1657/aaar0015-073
• 发表时间: 2016-11
• 期刊: Arctic, Antarctic, and Alpine Research
• 作者: Niels Hellwig;Kerstin Anschlag;G. Broll

Upscaling the spatial distribution of enchytraeids and humus forms in a high mountain environment on the basis of GIS and fuzzy logic

• DOI: 10.1016/j.ejsobi.2017.01.001
• 发表时间: 2017-03
• 期刊: European Journal of Soil Biology
• 影响因子: 4.2
• 作者: Niels Hellwig;U. Graefe;Dylan Tatti;G. Sartori;Kerstin Anschlag;A. Beylich;J. Gobat;G. Broll

Vegetation-based bioindication of humus forms in coniferous mountain forests

• DOI: 10.1007/s11629-016-4290-y
• 发表时间: 2017-03
• 期刊: Journal of Mountain Science
• 影响因子: 2.5
• 作者: Kerstin Anschlag;Dylan Tatti;Niels Hellwig;G. Sartori;J. Gobat;G. Broll