Spatial and seasonal changes of shoreline habitats of juvenile fish in the Danube at the Göd island (rkm 1671-1669)
Abstract
A juvenile fish survey was implemented at the Göd island in the Danube section upstream of Budapest from March to September in 2008, and spatial and temporal changes of shoreline habitats were analysed intensely. Point abundance sampling strategy was used and 10 habitat variables were measured for characterization of investigated sites. The preliminary results indicated increasing influence of woody debris and terrestrial vegetation during the inundations, along the natural shorelines. Habitat variables of rip-rap shoreline were stable and partly independent from the water level fluctuation.
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