CONTENTS
PREFACE........................................................................................................... 4
Bretschko, G.: The Ecological Importance of Stream Bedsediments, Regardless of
Whether or not they are Inundated................................................................   5
BUDDENSIEK, V. AND RATZBOR G.: Restoration of Sedimental Quality in Small Brook of
the Lüneburger Heide, Northern Germany...................................................   19
FUKSA, J. K.: Attached and Suspended Biomass in Stream: The Share of Biodegradation
Capacity.............................................................................. 25
Gilbert, J., Marmonier P., Vaněk V. and S. Plenet: Bank Filtration of Polluted
River Water.................................................................................................   29
HARPER D. M.: River Bottom Habitats: Biological Reality and Practical Value in River
Management................................................................................................   35
KOVÁŘ, P.: Implementation of the KNIFIL 2 Model for Design Discharges on Small
River Catchments........................................................................................   47
KRNO, L, ŠPORKA F.,TlRJAKOVÁ E. AND E. BULÁNKOVÁ: Influence of the Construction
of the Turček Reservoir on the Organisms of the River Bottom.................   53
Kubíček, F.,Helešic J. and O. Komárek: The Benthic Community in Artificial
Concrete Channels........................................................................................   63
LEICHTFRIED, M. : Organic Matter in Bedsedimets - An Energy Source for Lotic
Ecosystems ( A Compilation of a Long Term Study)..................................  77
LUSK S. AND K. HalaČKA: The River Bottom and Fish Populations in Stream.
......................................................................................................................   95
MARIDET L. AND M. PHILLIPPE: Influence of Substrate Characteristic on the Vertical
Distribution of Stream Macroinvertebrates in the Hyporheic Zone............   101
OPRAVILOVÁ V. AND O. KOMÁREK: Preliminary Comparative Study of Micro-,
Meiozoobenthos and Periphytic Algae in Three Man Made Streams.........   107
PEŇÁZ M. AND P. JURAJDA: Antropogenous Impact of the River Habitat Degradation
upon Ichthyocoenoses of the River Morava................................................   121
RULÍK M.: The Vertical Distribution of Macrozoobenthos in River Bed Sediments
( Morava River, Czech Republic)................................................................   129
ŠTĚRBA O.: The Ecological Value of Rivers in the Morava River Basin...........   143
Vaněk V.: Water Flows through the River Rhône Sediments Near Lyon, their Effect on
Groundwater Chemistry and Biology..........................................................   149
Zahrádková S., Fiala M. and J. Zahrádka: The Morava River - Benthic
Macroinvertebrates and Water Quality.......................................................    159