Number of found documents: 44
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Ichthyofauna of the lower reaches of the Dyje River and the adjacent floodplain with floodplain forests
Lusk, Stanislav; Lusková, Věra; Halačka, Karel; Horák, Václav; Pražák, O.
2001 - English
The lower reaches of the Dyje River with adjacent floodplain constitute an unique territory fragment in the Czech Republic. Its hydrological system is prominent with a high diversity of aquatic habitats including natural floodings over the floodplain part. During last 50 years, the occurrence of 49 species fish was found there in total. Of them, 41 species are assessed to be autochtonous, i.e. 75% of the native ichthyofauna structure of the Czech Republic. As strategically significant, the direct barrier-free connection of the lower Dyje River through the Morava River with the Danube has been manifested. In such way during recent years, the occurrence has been renewed of naturally immigrating Pelecus cultratus, Gymnocephalus schraetser and Zingel zingel, which had disappeared in the past. Sporadically, also the occurrence of Acipenser ruthenus and the wild form Cyprinus carpio is renewed. Naturally in the territory of the Czech Republic, new species such as Carassius auratus, Proterorhinus marmoratus, Sander volgense and Gymnocephalus baloni have penetrated. This unique territory is intended to be proclaimed for the Biospherical reserve and as protected territory for selected fish species within the NATURA 2000 system. Keywords: River Dyje; floodplain; ichthyofauna Available at various institutes of the ASCR
Ichthyofauna of the lower reaches of the Dyje River and the adjacent floodplain with floodplain forests

The lower reaches of the Dyje River with adjacent floodplain constitute an unique territory fragment in the Czech Republic. Its hydrological system is prominent with a high diversity of aquatic ...

Lusk, Stanislav; Lusková, Věra; Halačka, Karel; Horák, Václav; Pražák, O.
Ústav biologie obratlovců, 2001

Fish assemblages of the artificially made water habitats in floodplain forests
Horák, Václav
2001 - English
In the alluvium of the Dyje River (r. kms 0.0-35.00) the original biotops and the artificially made biotops (created as a part of revitalisation activities) were studied in two floodplain forest complexes (the Kančí obora and the Soutok floodplain forests). Within the Kančí obora floodplain forest the most diversified assemblage was found in the new made complex of three pools, the Palachy (16 species) because of its permanent connection with hydrological systém. The species Rutilus rutilus, Scardinius erythrophthalmus, Blicca bjoerkna occured most. In the original pool U svaleného dubu (14 species) were the R. rutilus, S. erythrophthalmus species most frequent. Within the Soutok area in the artificially made complex of two pools, the Kesle, 9 fish species were found. The species Abramis ballerus occured most. In the original pool, the Krumpava, 10 fish species were found with A. ballerus occuring most as well. The artificially made habitats (pools) provide the same conditions for fish if permanently connected with the hydrological system of the floodplain forest. Keywords: floodplain forest; fish communities; druhy; mosty Available at various institutes of the ASCR
Fish assemblages of the artificially made water habitats in floodplain forests

In the alluvium of the Dyje River (r. kms 0.0-35.00) the original biotops and the artificially made biotops (created as a part of revitalisation activities) were studied in two floodplain forest ...

Horák, Václav
Ústav biologie obratlovců, 2001

Revitalisation and fishes in the inundation area and the floodplain forests along the lower reaches of the River Dyje
Lusk, Stanislav; Halačka, Karel; Lusková, Věra; Horák, Václav
2001 - English
The hydroeconomical modifications during 1968-1986 have changed fundamentally the natural hydrological regime of the lower Dyje River and adjacted floodplain. The proper stream channel was straightened and erected flood-oreventing leeves stopped natural floodings over the original floodplain substantial part. Elaborated and successively realised were specific rehabilitation projects that should eliminate negative impact of the modifications performed on the fish biota there. Concerned in the rehabilitation of the longitudinal and lateral migration permeability of the respective hydrological system for fish. That means to achieve the increase of aquatic habitat diversity by revitalisation of vanishing or by creation of new beckwater, pools and lagoons. The controlled inundation over a part of alluvial meadows has improved conditions for reproduction of phytophilous fish species. The rehabilitation of permanent connection in oxbows cut off (original river meanders) with the Dyje River will increase significantly the diversity of hydrological and geomorphological characteristics of the river bed channelised. The final goal is to create conditions for the ichthyofauna stabilisation and development in the respective area. Keywords: River Dyje; floodplain; fish biota Available at various institutes of the ASCR
Revitalisation and fishes in the inundation area and the floodplain forests along the lower reaches of the River Dyje

The hydroeconomical modifications during 1968-1986 have changed fundamentally the natural hydrological regime of the lower Dyje River and adjacted floodplain. The proper stream channel was ...

Lusk, Stanislav; Halačka, Karel; Lusková, Věra; Horák, Václav
Ústav biologie obratlovců, 2001

Ultrastructure of spirochetes isolated from culicine mosquitoes
Sanogo, Yibayiri Osée; Reipert, S.; Halouzka, Jiří; Hubálek, Zdeněk; Němec, M.
2000 - English
We report the morphological studies of six spirochetal strains. In transmission electron microscopy (thin sections and negative staining), with both blunt and tapered ends, a three-layered outer membrane and variable number of endoflagella. Keywords: were observed. The strains were heterogenous in their lengths, widths and the number of their flagella. Available at various institutes of the ASCR
Ultrastructure of spirochetes isolated from culicine mosquitoes

We report the morphological studies of six spirochetal strains. In transmission electron microscopy (thin sections and negative staining), with both blunt and tapered ends, a three-layered outer ...

Sanogo, Yibayiri Osée; Reipert, S.; Halouzka, Jiří; Hubálek, Zdeněk; Němec, M.
Ústav biologie obratlovců, 2000

Migrační bariéry na řece Dyji - Jez Břeclav v ř.km 26,7
Lusk, Stanislav; Lusková, Věra; Halačka, Karel; Horák, Václav
1999 - English
Keywords: River Dyje; fish migration Available at various institutes of the ASCR
Migrační bariéry na řece Dyji - Jez Břeclav v ř.km 26,7

Lusk, Stanislav; Lusková, Věra; Halačka, Karel; Horák, Václav
Ústav biologie obratlovců, 1999

Re-opening of two meanders in the Hodonín area
Jurajda, Pavel
1999 - English
Keywords: meanders; River Morava Available at various institutes of the ASCR
Re-opening of two meanders in the Hodonín area

Jurajda, Pavel
Ústav biologie obratlovců, 1999

Evaluation of fishery management and fishery statistical data
Baruš, Vlastimil; Prokeš, Miroslav
1999 - English
Keywords: fishery statistical data; fishery management Available at various institutes of the ASCR
Evaluation of fishery management and fishery statistical data

Baruš, Vlastimil; Prokeš, Miroslav
Ústav biologie obratlovců, 1999

Controlled flooding of meadows in the Soutok area
Lusk, Stanislav; Jurajda, Pavel
1999 - English
Keywords: meadows; controlled flooding Available at various institutes of the ASCR
Controlled flooding of meadows in the Soutok area

Lusk, Stanislav; Jurajda, Pavel
Ústav biologie obratlovců, 1999

Assessment of health risks associated with the restoration project
Hubálek, Zdeněk; Halouzka, Jiří; Juřicová, Zina
1999 - English
Keywords: restoration project; River Morava; River Dyje Available at various institutes of the ASCR
Assessment of health risks associated with the restoration project

Hubálek, Zdeněk; Halouzka, Jiří; Juřicová, Zina
Ústav biologie obratlovců, 1999

Final Report Volume II. Czech Hydrology and Fisheries Restoration
Peňáz, Milan; Veselý, D.
1999 - English
Keywords: River Morava; Fisheries restoration; Hydrology; hydrologie Available at various institutes of the ASCR
Final Report Volume II. Czech Hydrology and Fisheries Restoration

Peňáz, Milan; Veselý, D.
Ústav biologie obratlovců, 1999

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