Molluscan assemblages of recent calcareous tufas in the Podhale Basin and Pieniny Mts (S. Poland)

AbstractThe number of soil mesofauna and enzymatic activity of soils are good indicators of changes in soil influenced by cultivation. The aim of this study was to compare density of enchytraeids and the activity of dehydrogenases (ADh), urease (AU), and invertase (AI) in the soils of grassland and arable land. Relationships that exist between those biological parameters and the basic soil properties (the content of total organic carbon (TOC) and nitrogen (TN), pH, texture, and total porosity) were defined. In the research, soil material from humus horizon of 12 soils which were located in the Mały Beskid and Silesian Foothills (S Poland) was used. The main density of enchytraeids in grassland soils (12 982 ind⋅m-2) was twice higher than in arable land soils (6099 ind⋅m-2), and the differences were statistically significant. Grassland soils were characterised by higher enzymatic activity than arable land soils. However, only ADh, which were almost three times higher in grassland than in arable soils (2024 and 742 μmol TPFkg-1h-1, respectively), showed significant differences. In grassland soils more favourable edaphic conditions for the development of soil organisms occurred in comparison with arable land.

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EemianWeichselian Pleniglacial fluvial deposits in S Poland (an example of the Vistula River valley in Kraków)

Geological Quarterly ◽

10.7306/gq.1138 ◽

2013 ◽

Vol 58 (1) ◽

Cited By ~ 6

Author(s):

Tadeusz SOKOŁOWSKI ◽

Agnieszka WACNIK ◽

Barbara WORONKO ◽

Jacek MADEJA

Keyword(s):

River Valley ◽

Fluvial Deposits ◽

Vistula River ◽

S Poland

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Magmatic activity at the Silurian/Devonian boundary in the Brunovistulia and Małopolska Terranes (S Poland): possible link with the Rheic Ocean closure and the onset of the Rheno-Hercynian Basin

Geological Magazine ◽

10.1017/s0016756819000384 ◽

2019 ◽

Vol 157 (2) ◽

pp. 119-133

Author(s):

Jerzy Nawrocki ◽

Magdalena Pańczyk ◽

Piotr Szrek

Keyword(s):

Sedimentary Rocks ◽

Detrital Zircons ◽

Magmatic Activity ◽

Ion Microprobe ◽

Rheic Ocean ◽

Models Of Development ◽

Regional Tectonic ◽

Single Grain ◽

S Poland ◽

Tectonic Extension

AbstractThe age of granophyric diorite from the Sosnowiec IG-1 borehole (Brunovistulia Terrane) was studied by means of U–Pb single-grain zircon analysis performed on a SHRIMP (sensitive high-resolution ion microprobe) IIe device. The isotope ages and provenance of zircons from the Emsian tuffs cropping out in the southern part of the Holy Cross Mountains (Małopolska Terrane) were also investigated using the same method. The age of the diorite intrusion (420 ± 2 Ma) is comparable with the combined Ar–Ar/magnetostratigraphic age of the Bardo diabase intrusion from the northern part of the Małopolska Terrane. These intrusions were emplaced during the same event of regional tectonic extension associated with the Rheic Ocean closure and the onset of processes creating the Rheno-Hecynian Basin near the Silurian/Devonian boundary. A negative Nb anomaly characteristic of both intrusions could be linked with the subduction of the Rheic oceanic crust under the SE margin of the Old Red Continent. Emsian magmatic activity in the distant Rheno-Hercynian Zone provided several tuff layers in the northern part of the Małopolska Terrane. As can be inferred from zircon ages, these tuffs were derived from mafic eruptions that cut sedimentary rocks containing detrital zircons transported from Baltica. This interpretation fits the existing models of development of the Rheno-Hercynian Basin in the Emsian.

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Response of Cladocera Fauna to Heavy Metal Pollution, Based on Sediments from Subsidence Ponds Downstream of a Mine Discharge (S. Poland)

Water ◽

10.3390/w11040810 ◽

2019 ◽

Vol 11 (4) ◽

pp. 810 ◽

Cited By ~ 3

Author(s):

Agnieszka Pociecha ◽

Agata Z. Wojtal ◽

Ewa Szarek-Gwiazda ◽

Anna Cieplok ◽

Dariusz Ciszewski ◽

...

Keyword(s):

Water Exchange ◽

River Flow ◽

Water Discharge ◽

Aquatic Systems ◽

Strongly Correlated ◽

Alona Affinis ◽

Mine Discharge ◽

Invertebrate Assemblages ◽

High Concentrations ◽

S Poland

Mining is recognized to deeply influence invertebrate assemblages in aquatic systems, but different invertebrates respond in different ways to mining cessation. Here, we document the response of the cladoceran assemblage of the Chechło river, S. Poland (southern Poland) to the cessation of Pb-Zn ore mining. The aquatic system includes the river and associated subsidence ponds in the valley. Some ponds were contaminated during the period of mining, which ceased in 2009, while one of the ponds only appeared after mining had stopped. We used Cladocera to reveal how the cessation of mine water discharge reflected on the structure and density of organisms. A total of 20 Cladocera taxa were identified in the sediment of subsidence ponds. Their density ranged from 0 to 109 ind./1 cm3. The concentrations of Zn, Cd, Cu and Pb were much higher in sediments of the ponds formed during peak mining than in the ponds formed after the closure of the mine. Statistical analysis (CCA) showed that Alonella nana, Alona affinis, Alona sp. and Pleuroxus sp. strongly correlated with pond age and did not tolerate high concentrations of heavy metals (Cu and Cd). This analysis indicated that the rate of water exchange by the river flow and the presence of aquatic plants, affect species composition more than pond age itself.

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