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1

Organic matter in the recent limnic sediments of north-eastern Poland

100%
Gorniak A.
Polish Journal of Soil Science
|
1995
|
tom 28
|
nr 1
37-43
2

Hydrochemistry of high moor peats in the polyhumic lake basins [ Wigry National Park - NE Poland]

100%
Gorniak A.
Polish Journal of Soil Science
|
1993
|
tom 26
|
nr 2
119-126
3

6.sympozjum IHSS na temat "Substancje humusowe w srodowisku i ich znaczenie dla zdrowia czlowieka" [Monopoli k.Bari, Wlochy, 20-25 IX 1992 r.]

100%
Gorniak A.
Wiadomości Ekologiczne
|
1993
|
tom 39
|
nr 2
123-124
4

The soils of the catchment areas of the polyhumic lakes of Wigry National Park

100%
Gorniak A.
Polish Journal of Soil Science
|
1993
|
tom 26
|
nr 2
157-165
5

The development of soils formed from loess in the Lublin region (SE Poland)

100%
Gorniak A.
Polish Journal of Soil Science
|
1992
|
tom 25
|
nr 1
6

Ecohydrological determinants of seasonality and export of total organic carbon in Narew River with high peatland contribution (north-eastern Poland)

100%
Gorniak A.
International Journal of Ecohydrology and Hydrobiology
|
2019
|
tom 19
|
nr 1
7

Pedogenic perstructions of the grain surface in loess luvisols in the light of TEM investigations

100%
Gorniak A.
Polish Journal of Soil Science
|
1991
|
tom 24
|
nr 1
8

4.polnocnoeuropejskie sympozjum na temat substancji humusowych i sympozjum projektu Humex [Loen, Norwegia, 7-9 VI 1993 r.]

88%
Gorniak A.
Wiadomości Ekologiczne
|
1994
|
tom 40
|
nr 1
29-30
9

Manganese fractions in water of the polyhumic Siemianowka Dam Reservoir

63%
Cudowski A., Gorniak A.
Polish Journal of Environmental Studies
|
2008
|
tom 17
|
nr 5
713-719
Hydrochemical studies were performed from May to December 2004 at four stations in the polymictic, polyhumic Siemianówka Dam Reservoir (SDR) located on the upper Narew River in northeastern Poland. The total manganese (TMn) concentrations in the reservoir waters varied from 118 μg/dm3 to 638 μg/dm3 , and their increased values are caused by forming complexes with organic matter present in waters flowing from wetlands and forests. Until the moment when the maximum manganese concentration occurred in the reservoir, its upper part was characterized by the higher manganese concentration than the lower part. A long retention time of water delays the occurrence of total manganese maximum in the lower part in SDR. Maximal TMn concentrations were noted in the lower part of the reservoir in the end of summer, while minimal for the upper part in winter. The organic dissolved manganese fractions (ODMn), were the largest part of TMn, slightly less was the particular manganese (PMn) fraction, and the smallest part constituted the reactive dissolved manganese fraction (RDMn). Low concentrations of reactive manganese in winter are due to a low pH value and low concentrations of dissolved organic matter (DOC). Manganese sorption on colloids increases in summer and is accompanied by a pH increase during an intensive photosynthesis of algae and cyanoprocaryota.
10

Riverine water transformation during retention in small lowland reservoirs

63%
Suchowolec T., Gorniak A.
Oceanological and Hydrobiological Studies
|
2009
|
tom 38
|
nr 4
103-108
11

Limnology of the Siemianowka dam reservoir [eastern Poland]. 1. Environmental conditions

63%
Gorniak A., Jekaterynczuk-Rudczyk E.
Acta Hydrobiologica
|
1995
|
tom 37
|
nr 1
1-9
12

Dissoved organic matter in the waters of the catchment basin of Lake Piaseczno, Łęczyńsko-Włodawskie Lake District, Poland

63%
Gorniak A., Misztal M.
Acta Hydrobiologica
|
1991
|
tom 33
|
nr 1-2
13
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Wplyw lesistosci zlewni na jakosc wod rzecznych wojewodztwa bialostockiego

63%
Gorniak A., Zielinski P.
Przegląd Naukowy Wydziału Melioracji i Inżynierii Środowiska
|
1998
|
nr 16
231-241
14

Changes in the characteristics of the soil and vegatation during the primary succession in the marginal zone of the Werenskiold glacier,Spitsbergen

63%
Piroznikow E., Gorniak A.
Polish Polar Research
|
1992
|
tom 13
|
nr 1
19-29
15

Changes of water quality in small reservoirs in agricultural landscape of Northern Podlasie

63%
Suchowolec T., Gorniak A.
Teka Komisji Ochrony i Kształtowania Środowiska Przyrodniczego
|
2006
|
tom 03
16

Differentiation of the composition of organic matter in the bottom sediments of the mesotrophic Lake Piaseczno [Leczynsko - Wlodawskie Lake District, Poland]

63%
Gorniak A., Misztal M.
Acta Hydrobiologica
|
1992
|
tom 34
|
nr 1-2
29-42
Quantitative and qualitative differentiation of organic matter in the bottom sediments are analysed. It has been demonstrated that the coverage of the immediate catchment basin affects the composition of the organic matter in the sediments in the littoral and the changes in the composition of organic matter with depth. The conditions existing in the examined lake favour the formation of humic acids in the profundal zone of autochtonie origin.
17

Limnology of the Siemianowka dam reservoir [eastern Poland]. 2. Seasonal and horizontal differentiation of water chemistry

63%
Gorniak A., Jekaterynczuk-Rudczyk E.
Acta Hydrobiologica
|
1995
|
tom 37
|
nr 1
11-20
18

Sezonowosc jakosci wody malych zbiornikow retencyjnych w krajobrazie rolniczym Podlasia

63%
Suchowolec T., Gorniak A.
Woda - Środowisko - Obszary Wiejskie
|
2006
|
tom 06
|
nr 2[18]
347-358
19

Limnology of the Siemianowka dam reservoir [Eastern Poland]. 2. Seasonal and horizontal differentiation of water chemistry

63%
Gorniak A., Jekaterynczuk-Rudczyk E.
Acta Hydrobiologica
|
1995
|
tom 37
|
nr 1
In the direction of the frontal dam of the reservoir mean concentrations of substances dissolved in water were reduced while those of oxygen, phosphorus, and ammonium ions increased, bringing about distinct differences between the three parts of the impoundment, conditioned by the seasonality of water inflow to the reservoir. In summer and autumn in the different parts of the reservoir a similar chemical composition of waters was observed, while in winter and during the spring rise it was distinctly differentiated.
20

Seasonal and longitudinal variation of crustacean zooplankton in the Siemianowka Reservoir [NE Poland]

63%
Gorniak A., Chocian G.
Acta Hydrobiologica
|
1999
|
tom 41
|
nr Suppl.6
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