Euro-limpacs Deliverables

ABSTRACT - DELIVERABLE 88

Report - Land use-hydromorphology interactions

The primary objective of Task 2.4 is the Examination of relationships between habitat and morphology and land−use. The key research question is: What is the effect of climate and land−use changes on hydromorphology and species composition and indicator species? This requires:

i) An evaluation of relationships between land use and hydromorphology (continuation of Task 1.1).
ii) An evaluation of the impacts of climate/land use/hydromorphology on the aquatic community (mainly using AQEM/STAR data).

During the past years, several studies have examined the impact of land−use/land cover changes on stream water quality but relatively few have focused on stream hydromorphology changes. This report examines the relationship between land−use and hydromorphology.

Land−cover data are commonly used to reveal land−use status of study areas due to difficulties of land−use data collection. The Corine land cover database provides a pan−European inventory of biophysical land cover, using a 44 class nomenclature (CLC2000 − http://glossary.eea.eu.int/EEAGlossary/C/Corine_land_cover). It is available on a 250x250m grid resolution database which has been aggregated from the original vector data at 1:100 000. The Corine land cover database is an important tool for integrated environmental assessment. The land cover database is required for the analysis of causes and consequences of natural and artificial processes, impact assessment, identification of trends, contribution to the maintenance of ecological balance and its consideration in decision−making processes. We propose to undertake this study using databases from the Adour−Garonne catchment and the European database of AQEM/STAR projects.

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