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1

... przecież stamtąd przyszliście

100%
Dolinska L.
Owoce, Warzywa, Kwiaty
|
2009
|
nr 24
2

The occurrence of magnanese in the Goczalkowice dam reservoir [southern Poland]

100%
Kwapulinski J., Szilman E., Wiechula D., Derylo A.
Acta Hydrobiologica
|
1992
|
tom 34
|
nr 1-2
55-63
The Mn content in interstitial water, in that in the layer near the bottom and in the sediment was determined. The concentrations of Mn varied in a wide range both in the annual cycle and in the course of the investigated 4-year period. It was established that manganese content considerably exceeded the permissible environmental level in the whole reservoir and increased distinctly near the dam.
3

Migration of lead and cadminium in Goczalkowice dam reservoir [southern Poland]

80%
Kwapulinski J., Wiechula D.
Acta Hydrobiologica
|
1992
|
tom 34
|
nr 1-2
43-54
The most intensive displacement of Pb and Cd in the Goczałkowice Reservoir occurred from water near the bottom to the bottom sediment and to the interstitial water as well as from the interstitial water to the bottom sediment and to water near the bottom. The time of removing Pb and Cd from water near the bottom to the interstitial water was on average 21 days for Pb and 2.75 days for Cd, but from water near the bottom to the bottom sediment 0.23 day for Pb and 0.02 day for Cd. In the increase in Pb content in water near the bottom also precipitation played an important role.
4

Changes in the aquatic environmental over many years in three dam reservoirs in Silesia [southern Poland] from the beginning of their existence - causes and effects

70%
Kasza H.
Acta Hydrobiologica
|
1992
|
tom 34
|
nr 1-2
65-114
Changes in the chemical composition of the water in three dam reservoirs are presented against the background of the chemical composition of their affluents, and the effect of these changes on the phytoplankton in terms of the chlorophyll a content, are discussed. Changes in the chemical properties of the water, an increase in trophy, and the existing differences in the fertility of the water between the reservoirs are associated with the ways of utilization of the catchment basins and with their population density. On the basis of the whole collected material a scheme of the eutrophication of the examined reservoirs is presented.
5

Trophic relations between phyto-and zooplankton in a field experiment in the aspect of the formation and decline of water blooms

70%
Bucka H., zurek R.
Acta Hydrobiologica
|
1992
|
tom 34
|
nr 1-2
139-155
An investigation was carried out in the Goczałkowice Reservoir at the Stations “Corral” and “Platform”. Copper treatment applied to the algae brought a decline in cladocerans and a decrease in their pressure on the phytoplankton and, in consequence, on an abundant secondary development of chlorococcous green algae. The population of cladocerans was considerably reduced by Acanthocyclops robustus just before coppering. The invasion of a fungal parasite inhibited the intensive development of Asterionella formosa in the Corral, where a later mass occurrence of Ceratium hirundinella led to the almost total disappearance of zooplankton.
6

Characteristics of the phytobentos communities in the Goczalkowice Reservoir [southern Poland]

61%
Kwandrans J.
Acta Hydrobiologica
|
1992
|
tom 34
|
nr 1-2
115-128
The structure and distribution of phytobenthic communities are presented and the effect of the depth gradient on the development dynamics of the bottom algae in the Goczałkowice Reservoir described. The investigations revealed the existence of qualitative and quantitative differences in the algal communities between the littoral and the central part of the reservoir. In the backwater part an intermediate type of community of riverine-lake character has developed. Along the depth gradient changes were observed in the algal communities. Active phytobenthos developed in the photic zone to a depth of about 2 m.
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