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Project information
Environmental significance of the woody debris in river ecosystems

Information

This project doesn't include Faculty of Arts. It includes Faculty of Science. Official project website can be found on muni.cz.
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Project Identification
GA205/08/0926
Project Period
1/2008 - 12/2011
Investor / Pogramme / Project type
Czech Science Foundation
  • Standard Projects
MU Faculty or unit
Faculty of Science
Keywords
fluvial ecosystem, ecomorphological processes, woody debris, modelling in GIS
Cooperating Organization
Institute of Geonics of the ASCR, v. v. i.
  • Responsible person Doc. Ing. Jan Lacina, CSc.
Mendel University in Brno
  • Responsible person Ing. Michal Rybníček

The aim of the project is the study of large woody debris in the stream channels and their riparian zones from the viewpoint of its hydrological, morphological and ecological functions. Research object is large woody debris (LWD) in three model river reaches - individual wood fragments as well as wood jams which block the channel profile. The attention will be paid to the three aspects of LWD: structure, dynamics and function. Structure will be studied by quantification of LWD volume within the channel and riparian zone, classification of pieces and wood jams and its spatial distribution. Dynamics will be studied by defining mechanisms of LWD recruitment, measuring of LWD mass balance, monitoring of in situ LWD decay and dendrochronological dating. Function will be studied by mapping the impacts of LWD on fluvial geomorphology, sedimentology of bedload material and habitat diversity. Interactions between stream-bank and riparian vegetation and hydromorphological processes will be modelled in GIS at the level of channelfloodplain units. The outcome of the project will be the knowledge of LWD recruitment mechanisms, its mobility and decay, impacts on fluvial biogeomorphology and also flood risk and channel destabilisation, all data will be integrated into the biogeomorphological GIS model. The final output of the project will be the monography on the large woody debris in the river ecosystems.

Publications

Total number of publications: 26

2012

2011

2010

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