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Wyświetlanie 1-10 z 10
Tytuł:
Malacofauna of the Forum Romanum and adjacent ancient Roman monuments
Autorzy:
Alexandrowicz, S.W.
Powiązania:
https://bibliotekanauki.pl/articles/83445.pdf
Data publikacji:
2012
Wydawca:
Uniwersytet Mikołaja Kopernika. Wydział Biologii i Ochrony Środowiska. Stowarzyszenie Malakologów Polskich
Opis:
Land snail assemblages found among the most famous and popular historical monuments of ancient Rome are the subject of this study. Malacocoenoses found beneath walls of ruins in antique places, among grass and other short vegetation, in places visited by thousands of tourists, are usually ignored by naturalists and thus are only rarely examined. They develop in specific habitats, being under constant and strong human impact. The living fauna is accompanied by thanacocoenoses composed of numerous shells. Species associated with open or even xerothermic habitats as well as mesophile ones, accepting both sunny and shaded habitats, are the main components of these assemblages.
Źródło:
Folia Malacologica; 2012, 20, 4
1506-7629
Pojawia się w:
Folia Malacologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mollusc thanatocenoses in the lower course of the Osam River (Northern Bulgaria)
Autorzy:
Alexandrowicz, S.W.
Powiązania:
https://bibliotekanauki.pl/articles/83564.pdf
Data publikacji:
1999
Wydawca:
Uniwersytet Mikołaja Kopernika. Wydział Biologii i Ochrony Środowiska. Stowarzyszenie Malakologów Polskich
Opis:
A shell-abounding thanatocenosis was found on the valley floor of the Osam River near Muselievo. It is composed of 42 taxa of land snails and aquatic molluscs. Six species of rheophile water snails, Lithoglyphus naticoides (C. Pfeiffer) being the dominant, are the main components of the assemblage, together constituting 57%. Land snails are represented mainly by open-country species, including the most numerous shells of Helicopsis striata (O. F. Müller). All the taxa of the thanatocenosis are known from the recent fauna of Bulgaria and adjacent countries. The percentage of particular components corresponds to thanatocenoses deposited in the lower course of the river. The shell material was displaced by the flood flow over a relatively short distance and deposited close to environments inhabited by molluscs. Differences in abundance of some species between the thanatocenosis and the malacocenosis can be explained by differences in the hillwash intensity controlled by local conditions.
Źródło:
Folia Malacologica; 1999, 07, 3
1506-7629
Pojawia się w:
Folia Malacologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Bithynia tentaculata (Linnaeus, 1758) as an indicator of age and deposition environment of quaternary sediments
Autorzy:
Alexandrowicz, S.W.
Powiązania:
https://bibliotekanauki.pl/articles/84298.pdf
Data publikacji:
1999
Wydawca:
Uniwersytet Mikołaja Kopernika. Wydział Biologii i Ochrony Środowiska. Stowarzyszenie Malakologów Polskich
Opis:
Shells and opercula of an aquatic snail Bithynia tentaculata (L.) occur commonly in Quaternary deposits as a substantial component of subfossil malacocenoses. They have been noted mainly in lacustrine chalk and calcareous gyttja, as well as in silts and muds accumulated in fluviatile environments. The contemporary geographical range of this taxon is very wide, comprising the whole Palaearctic except areas extending north of the Arctic Circle. In subfossil assemblages of molluscs B. tentaculata (L.) has been described almost exclusively from Holocene and Interglacial deposits, apart from a few localities of sediments accumulated during the cold periods of Pleistocene, particularly in Late Glacial phases. As the range of the mentioned species is limited to the zones of the temperate, boreal and Mediterranean climate, it can be pointed out as a climatic- stratigraphic indicator, useful in malacological analysis of Quaternary deposits. Only a few taxa of aquatic molluscs have such a value. The proportion of shells and opercula characterizes sedimentary environments.
Źródło:
Folia Malacologica; 1999, 07, 2
1506-7629
Pojawia się w:
Folia Malacologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Planorbella duryi (Wetherby, 1879) from the crater-lake Albano (Central Italy)
Autorzy:
Alexandrowicz, S.W.
Powiązania:
https://bibliotekanauki.pl/articles/84601.pdf
Data publikacji:
2003
Wydawca:
Uniwersytet Mikołaja Kopernika. Wydział Biologii i Ochrony Środowiska. Stowarzyszenie Malakologów Polskich
Opis:
A rich population of Planorbella duryi (Wetherby) has been found in Lake Albano near Rome. It is a pulmonate aquatic snail inhabiting the zone of tropical climate, and heated artificial reservoirs outside this zone. It has migrated from its area of origin – Florida – to Africa, South America and some islands, has been introduced in a few botanical gardens in Europe, and also found a favourable habitat in a small crater-lake Albano in Italy where it is now abundant.
Źródło:
Folia Malacologica; 2003, 11, 3-4
1506-7629
Pojawia się w:
Folia Malacologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mollusc thanatocenoses of the Vistula River in the southern part of the Cracow Upland
Autorzy:
Alexandrowicz, S.W.
Powiązania:
https://bibliotekanauki.pl/articles/84745.pdf
Data publikacji:
2000
Wydawca:
Uniwersytet Mikołaja Kopernika. Wydział Biologii i Ochrony Środowiska. Stowarzyszenie Malakologów Polskich
Opis:
Shell-abounding thanatocenoses were collected from recent sediments of the Vistula River near Cracow formed during a few flood episodes. They are composed of 65 species of aquatic and terrestrial molluscs. Considerable differences between particular mollusc assemblages deposited on the river banks are controlled by both the intensity of flood and the changes of the fauna inhabiting the catchment area, mainly the floodplain and the river itself. Living specimens and empty shells of Potamopyrgus antipodarum (Gray) were found for the first time in thanatocenoses accumulated in Tyniec in 1999 and 2000.
Źródło:
Folia Malacologica; 2000, 08, 3
1506-7629
Pojawia się w:
Folia Malacologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A mollusc thanatocenosis in the Nile River Valley near Wadi Halfa (N Sudan)
Autorzy:
Alexandrowicz, S.W.
Powiązania:
https://bibliotekanauki.pl/articles/83195.pdf
Data publikacji:
2001
Wydawca:
Uniwersytet Mikołaja Kopernika. Wydział Biologii i Ochrony Środowiska. Stowarzyszenie Malakologów Polskich
Opis:
A mollusc thanatocenosis found in the Nile Valley on the shore of the Naser Lake contains several thousand specimens representing five species; shells of aquatic snails dominate. The coarse fraction is composed mainly of Cleopatra bulimoides (Olivier); the fine fraction – of Valvata nilotica Jickeli. Substantial differences between the mean size of mollusc shells and mineral grains in the thanatocenoses, reflected by the displacement index (DI), depend of the density (unit weight) of these components. Death assemblages deposited recently during floods resemble subfossil assemblages from Holocene deposits of the Fayum Depression (Egypt), thus testifying to the stability of the mollusc fauna inhabiting the Nile Valley during the last ten thousand years.
Źródło:
Folia Malacologica; 2001, 09, 1
1506-7629
Pojawia się w:
Folia Malacologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Shell thanatocenoses in the Raclawka valley near Cracow
Autorzy:
Alexandrowicz, S.W.
Powiązania:
https://bibliotekanauki.pl/articles/84312.pdf
Data publikacji:
1999
Wydawca:
Uniwersytet Mikołaja Kopernika. Wydział Biologii i Ochrony Środowiska. Stowarzyszenie Malakologów Polskich
Tematy:
shell
thanatocoenosis
tufa
animal species
snail
habitat
Carychium tridentatum
Vitrea crystallina
Aegopinella pura
Discus rotundatus
Columella edentula
Cochlicopa lubrica
Vitrea contracta
Alinda biplicata
Vitrina pellucida
Vallonia costata
Truncatellina costulata
Raclawka valley
Krakow area
Źródło:
Folia Malacologica; 1999, 07, 4
1506-7629
Pojawia się w:
Folia Malacologica
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-10 z 10

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