Ecological Functions and Management of Large Wood in Fluvial Systems

IF 9 1区 农林科学 Q1 FORESTRY Current Forestry Reports Pub Date : 2023-12-20 DOI:10.1007/s40725-023-00209-x
Piet F. M. Verdonschot, Ralf C. M. Verdonschot
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Abstract

Purpose of Review

The aim of this review is to provide an overview of the functional role of large wood in the functioning of fluvial ecosystems, ranging from the scale of microhabitats to entire catchments. To this purpose, this review is structured according to the major ecosystem processes occurring at different spatial scales, ranging from the microhabitat scale, e.g. the internal processes of organic matter breakdown by microbes, to the catchment scale, e.g. the catchment-scale-processes of water flow, sediment transport, and nutrient fluxes.

Recent Findings

Recent research increasingly shows that dead wood drives a complex of multi-scaled processes. The role of large wood as a channel structuring entity and a driver of hydromorphological functioning is well known, but the importance of large wood at higher spatial scales has not been fully acknowledged. This encompasses the importance of large wood in enhancing multiple channel — floodplain interactions by creating a dynamic exchange of matter (water, sediments, nutrients) and energy. It also strengthens the water retention and storage capacity of rivers, attenuating floods and droughts and plays an important role in sediment, nutrient and organic matter interception, and processing. All these attributes contribute to ecosystem complexity and functioning, as well as providing valuable ecosystem services. Furthermore, large wood also acts as an important dispersal vector which, together with the multiple scale processes, promotes biodiversity.

Summary

Recognising the multiple scale spatial and temporal processes acting in, around, and induced by large wood can strongly support future fluvial management, especially regarding the re-introduction and way of installing of large wood in rivers. As large wood management is context-dependent, research should focus on catchment specific processes.

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冲积系统中大型木材的生态功能与管理
综述目的 本综述旨在概述大型木材在从微生境尺度到整个集水区的河流生态系统功能中的作用。为此,本综述按照在不同空间尺度上发生的主要生态系统过程进行编排,从微生境尺度(如微生物分解有机物的内部过程)到集水区尺度(如水流、沉积物迁移和营养通量的集水区尺度过程)不等。大型木材作为河道结构实体和水文地貌功能驱动力的作用众所周知,但大型木材在更高空间尺度上的重要性尚未得到充分认识。这包括大木通过创造物质(水、沉积物、养分)和能量的动态交换,在加强河道与洪泛区的多重相互作用方面的重要性。它还能增强河流的保水和蓄水能力,减轻洪水和干旱的影响,并在拦截和处理沉积物、养分和有机物方面发挥重要作用。所有这些特性都有助于提高生态系统的复杂性和功能,并提供宝贵的生态系统服务。此外,大木还可作为重要的传播媒介,与多尺度过程一起促进生物多样性。小结认识大木内部、周围和诱发的多尺度空间和时间过程,可有力支持未来的河道管理,尤其是在河流中重新引入和安装大木的方式。由于大型木材的管理取决于具体情况,因此研究应侧重于集水区的具体过程。
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来源期刊
Current Forestry Reports
Current Forestry Reports Agricultural and Biological Sciences-Ecology, Evolution, Behavior and Systematics
CiteScore
15.90
自引率
2.10%
发文量
22
期刊介绍: Current Forestry Reports features in-depth review articles written by global experts on significant advancements in forestry. Its goal is to provide clear, insightful, and balanced contributions that highlight and summarize important topics for forestry researchers and managers. To achieve this, the journal appoints international authorities as Section Editors in various key subject areas like physiological processes, tree genetics, forest management, remote sensing, and wood structure and function. These Section Editors select topics for which leading experts contribute comprehensive review articles that focus on new developments and recently published papers of great importance. Moreover, an international Editorial Board evaluates the yearly table of contents, suggests articles of special interest to their specific country or region, and ensures that the topics are up-to-date and include emerging research.
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