The malacofauna of late holocene sediments of Sromowce (The Pieniny Mountains, southern Poland)

Alexandrowicz, Stefan Witold

doi:10.12657/folmal.004.001

Cited by 6 publications

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“…The Holocene sediments outcropped at Czorsztyn have not been radiocarbondated, but their age can be determined using analogies from the described profiles at Sromowce (ALEXANDROWICZ, NADACHOWSKI, V ALDE-NOV AK & WO-LOSZW 1985,ALEXANDROWICZ 1991. In the valleys of the streams Limbargowy and Macelowy there is a lower terrace formed of sediments of the Sub-Atlantic phase, which were being deposited from the ancient Roman times to the Middle Ages (the fifth to twelfth centuries AD).…”

Section: Discussionmentioning

confidence: 99%

Late holocene molluscan assemblages from Czorsztyn (Pieniny Klippen Belt, southern Poland)

Alexandrowicz¹

2016

Folia Malac.

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Rich molluscan assemblages occur in the Upper Holocene sediments of the Pasternik stream at Czorsztyn and in limestone soils on rocks at the castle of Czorsztyn. The older assemblagę found in the muds of the upper terrace comprises a fauna with a big share of forest snails whereas the younger assemblage comes from the sediments of the lower terrace and contains mostly typical species of the open environment. The change of fauna is due to the deforestation of the catchment basin of the stream, which took place in the 13th and 14th centuries. In the initial limestone soil there are very numerous snail shells representing various ecologic groups and the diversification of the assemblages reflects the mosaic pattern of their habitats, which were being slightly changed by human impact.

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Section: Discussionmentioning

confidence: 99%

Late holocene molluscan assemblages from Czorsztyn (Pieniny Klippen Belt, southern Poland)

Alexandrowicz¹

2016

Folia Malac.

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“…This date co in cides with a con sid er able pro por tion of shade-lov ing species found in both pro files, which sug gests fa vour able con ditions for the de vel op ment of for ests in this pe riod. Malacocoenoses with a sim i lar com po si tion and of sim i lar age have been re ported in many sites in the Pieniny Moun tains (Alexandrowicz, 1990(Alexandrowicz, , 2004(Alexandrowicz, , 2010(Alexandrowicz, , 2013a, Podhale re gion (Alexandrowicz, 1997(Alexandrowicz, , 2004(Alexandrowicz, , 2010(Alexandrowicz, , 2013bAlexandrowicz and Rudzka, 2006), Tatra Moun tains (Alexandrowicz, 1988(Alexandrowicz, , 2001, and Flysch Carpathians (Alexandrowicz, 2004(Alexandrowicz, , 2009. It is impor tant to say that the large pro por tion of for est com mu ni ties in this pe riod is typ i cal only of ar eas un af fected by hu man im pact.…”

Section: Discussionmentioning

confidence: 99%

“…There fore, the de te ri o ra tion in con di tions for for est growth during cli mate fluc tu a tions to wards the cold is much less vis i ble, and the struc ture of ver ti cal pro files is much more sta ble. Sim ilar reg u lar i ties have also been re ported in many cal car e ous tufa sites and flu vial de pos its in the Pieniny Mts., Podhale re gion and Flysch Carpathians (Alexandrowicz, 1990(Alexandrowicz, , 1993(Alexandrowicz, , 1997(Alexandrowicz, , 2004(Alexandrowicz, , 2009(Alexandrowicz, , 2010(Alexandrowicz, , 2013b. Cool ing of the cli mate also caused the tufa sed i men ta tion to slow down, while si mul ta neously inten si fy ing phys i cal weath er ing pro cesses.…”

Section: Discussionmentioning

confidence: 99%

“…A sep a rate is sue raised in this pa per is the use of malacological anal y sis in the re con struc tion of short-term cli matic changes. Such stud ies were con ducted sev eral times, both in the Pieniny Moun tains (Alexandrowicz, 1990(Alexandrowicz, , 1993(Alexandrowicz, , 2010(Alexandrowicz, , 2013a and neigh bour ing ar eas, al though they con cerned mostly flu vial de pos its (e.g., Alexandrowicz, 1997Alexandrowicz, , 2009Alexandrowicz, , 2010Alexandrowicz, , 2013b. Con sid er ing the spec i fic ity of tufa sed i men ta tion in the cones, these de pos its are suit able for such anal y ses.…”

Section: Introductionmentioning

confidence: 98%

“…A few tens of sites of subfossil malacofauna have been de scribed to date in this area, which mainly rep resent the Late Gla cial and Ho lo cene. The re sults of these anal yses, in clud ing or i gin and age, have been pre sented in nu merous pa pers con cern ing dif fer ent sites (e.g., Alexandrowicz, 1990Alexandrowicz, , 1993, as well as more ex ten sive pub li ca tions per tain ing to the subfossil malacofauna of en tire groups of pro files, typ ically formed of de pos its of sim i lar or i gin (e.g., Alexandrowicz, 1997Alexandrowicz, , 2004Alexandrowicz, , 2013a. Against this back ground, the malacofauna of tufa cones is a sub ject that has not been thor oughly ex plored yet.…”

Section: Introductionmentioning

confidence: 99%

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Molluscan assemblages in Late Holocene tufa cones in the Pieniny Mountains (southern Poland)

Alexandrowicz

2014

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Alexandrowicz, W.P., 2014. Mol lus can as sem blages in Late Ho lo cene tufa cones in the Pieniny Moun tains (south ern Poland). Geo log i cal Quar terly, 58 (2): 269-280; doi: 10.7306/gq.1150Lime stone rock walls of var i ous in cli na tion form a fa vour able sub strate for the de po si tion of cal car e ous tufas that form cone-shaped struc tures lo cated at the foot of slopes or fill niches within them. Such car bon ate de pos its usu ally con tain rich and di ver si fied mol lus can as sem blages, whose com po si tion and struc ture closely cor re spond to the am bi ent en vi ron men tal con ditions in the im me di ate vi cin ity. The study of the Pieniny Moun tains area re vealed ten sites with such de pos its. The iden ti fied malacofauna was sub jected to de tailed anal y sis. It en abled iden ti fi ca tion of three types of faunistic as sem blages (Bythinella austriaca as sem blage, Pyramidula pusilla as sem blage, and a shade-lov ing spe cies as sem blage), which are re lated to the condi tions pre vail ing dur ing the de po si tion. Tufa cones found in the Pieniny Moun tains rep re sent the his toric pe riod (Late Ho locene). The de pos its pro vide a re cord of two cli ma tic phases: warmer and colder. The for mer (Me di eval Warm Pe riod) in volved the in ten si fied de po si tion of car bon ate ma te rial and the rapid growth of tufa cones. The lat ter -the Lit tle Ice Age -en tailed the slow deg ra da tion of cones and slower sed i men ta tion of tufas, while the in ten si fied phys i cal weath er ing led to the in crease in the clast ma te rial pro por tion (sharp-edged lime stone frag ments). Tufas ac cu mu lated in the zone un af fected by high anthropogenic pres sure and thus rep re sent a re cord of nat u ral en vi ron men tal changes dur ing the his toric pe riod.Key words: cal car e ous tufa, mol lus can as sem blages, his toric pe riod, Pieniny Mts., south ern Po land.

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High‐resolution mollusc record from the Mituchovci tufa (western Slovakia): a reference for the Holocene succession of Western Carpathian mid‐elevation forests

Frodlová¹,

Horsák²

2020

Boreas

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The Western Carpathian Mountains have been attracting palaeoecologists for a long time, recently mainly to seek direct evidence of northern cryptic refugia in this region. We investigated a rich Holocene mollusc record in the White Carpathian Mountains, capturing a gradual development of forest malacofaunas under stable environmental conditions. To obtain precise data about colonization and extinction events for particular species, we applied a highresolution depth-age model. Early Holocene assemblages revealed both the presence of Early Holocene relics and an early appearance of closed-canopy forest species that might indicate a cryptic glacial refugium nearby. Many forest species peaking at the Holocene forest optimum, including anthropophobic arboricole land snails (e.g. Bulgarica cana and Macrogastra borealis), were present since the Early Holocene as well. After 4000 cal. a BP, forest vegetation composition changed, and the environment became less suitable for woodland snails (i.e. calcium and moisture level decreased). This change was indicated by the disappearance of many sensitive forest species. Most of the exclusively forest species reappeared during the early Middle Ages because of dense beech forest development. However, in the late Middle Ages, the study site was deforested and became an open wetland. The existence of pollen, plant macro-remains, and stable isotope data allowed us to compare the recorded mollusc succession to the signal derived from these proxies. Hence, we propose that the Mituchovci site should be considered a model for the Holocene development of mollusc woodland faunas in the (Outer) Western Carpathians and one of the main reference sites for central European mollusc succession.

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The malacofauna of late holocene sediments of Sromowce (The Pieniny Mountains, southern Poland)

Cited by 6 publications

References 1 publication

Late holocene molluscan assemblages from Czorsztyn (Pieniny Klippen Belt, southern Poland)

Late holocene molluscan assemblages from Czorsztyn (Pieniny Klippen Belt, southern Poland)

Molluscan assemblages in Late Holocene tufa cones in the Pieniny Mountains (southern Poland)

High‐resolution mollusc record from the Mituchovci tufa (western Slovakia): a reference for the Holocene succession of Western Carpathian mid‐elevation forests

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