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Chondrina Arcadica Clienta
''Chondrina arcadica'' is a species of small air-breathing land snail, a terrestrial pulmonate gastropod mollusk belonging to the family Chondrinidae. This species is also known under the synonym ''Chondrina arcadica clienta'' (Westerlund 1883). The species is found South Europe and Sweden. Subspecies: * ''Chondrina arcadica abundans'' (Westerlund, 1894) * ''Chondrina arcadica arcadica'' (Reinhardt, 1881) or ''Chondrina arcadica clienta'' (Westerlund, 1883) * ''Chondrina arcadica bulgarica'' H. Nordsieck, 1970 * ''Chondrina arcadica caucasica'' Ehrmann, 1931 Shell description The shell of this species is slender, greyish brown to reddish brown. It is conical-ovoid in shape with 7 to whorls. The shell is slightly translucent and shows regular axial lines. There is some microgeographical variation in its shell size. The apertural margin is slightly widened, and has a thin, whitish lip. There are strong, angular teeth along the aperture. Distribution The distribution of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Otto Wilhelm Hermann Reinhardt
Otto Wilhelm Hermann Reinhardt (1838 in Potsdam – 1924 in Berlin) was a German botanist and conchologist. He was a teacher at a trade school in Berlin. Reinhardt was a friend of Paul Friedrich August Ascherson and co-founder of the botanical society in Brandenburg province. He described the snails '' Vitrea subrimata'' in 1871 and ''Vallonia gracilicosta'' and ''Euconulus praticola'' in 1883. This last is the type species of Reinhardt's genus '' Euconulus''. He was a Member of Gesellschaft Naturforschender Freunde zu Berlin. His collection is curated in Senckenberg Museum. Works *Reinhardt, O. 1859 (1860) ''Lycopodium Selago'' L. var. recurvum Kit. ''Verhandlungen des Botanischen Vereins von Berlin und Brandenburg'' 1:100 *Reinhardt, O. 1860 (1861)Zusatz zu dem Aufsatz von Areschoug über ''Tortula papillosa'' Wils.''Verhandlungen des Botanischen Vereins von Berlin und Brandenburg'' 2:210 *Reinhardt, O. 1863 Übersicht der in der Mark Brandenburg bisher beobachteten Laubmoose ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alpine Region
The main valleys of the Alps, orographically by drainage basin. Rhine basin (North Sea) High Rhine * Aare **Limmat *** Linth ( Glarus) **** Lake Walen ***** Seeztal **** Klöntal **** Sernftal **Reuss *** Lake Lucerne **** Sarner Aa ( Brünig Pass connects to the Aare basin) **** Muota *** Schächental, Klausen Pass connects to Glarus *** Urseren *** Susten Pass connects to the Gadmertal *** Furka Pass connects to the Goms ** Saane/Sarine *** Sense ** Gürbetal ** Lake Thun, Bernese Oberland *** Kander **** Simmental ***** Diemtigental (Chirel, Fildrich (Narebach, Senggibach, Gurbsbach)) **** Suldtal **** Kiental **** Engstligental **** Kandertal ***, Habkern ***Brienzersee, Interlaken **** Lütschine *****Saxettal *****Schwarze Lütschine, Lütschental, Grindelwald, Grosse Scheidegg connects to Reichenbachtal *****Weisse Lütschine, Lauterbrunnental, Lauterbrunnen ******Sefinental **** Giessbach ****Haslital, Meiringen ***** Reichenbachtal (Rychenbach, Seilibach ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Non-marine Molluscs Of Ukraine
There are at least 287 species of non-marine molluscs living out of doors in Ukraine: 207 species of terrestrial molluscs,Balashov I. & Gural-Sverlova N. 2012. An annotated checklist of the terrestrial molluscs of Ukraine. ''Journal of Conchology''. 41 (1): 91-109. more than 50 freshwater species of gastropods Gural-Sverlova N.V. & Gural R.I. 2012. Scientific collections of State Natural History Museum of NAS of Ukraine: Malacological fund. Lviv. 254 pp.(in Ukrainian) and 30 species of freshwater bivalves Korniushin A.V. 2002On the Species Diversity of Freshwater Bivalve Mollusks in Ukraine and the Strategy of their Conservation'' Vestnik Zoologii. 36 (1): 9-23. (in Russian) Terrestrial molluscs The list is given on the basis of "An annotated checklist of the terrestrial molluscs of Ukraine" published in Journal of Conchology in 2012. In this article 203 species are listed as registered in Ukraine. Species that listed by the other sources are given with individual references. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Non-marine Molluscs Of Slovakia
Slovakia is a land-locked country, and therefore the molluscs of Slovakia are all land and freshwater species. There are 247 Horsák M., Juřičková L., Beran L., Čejka T. & Dvořák L. (2010). "Komentovaný seznam měkkýšů zjištěných ve volné přírodě České a Slovenské republiky. nnotated list of mollusc species recorded outdoors in the Czech and Slovak Republics. ''Malacologica Bohemoslovaca'', Suppl. 1: 1-37PDF species of molluscs living in the wild in Slovakia. In addition there are 9 gastropod species living only in greenhouses. There are a total of 219 species of gastropods, which breaks down to 51 species of freshwater gastropods, and 168 species of land gastropods, plus 28 species of bivalves living in the wild. There are 8 non-indigenous gastropod species (3 freshwater and 5 land species) and 3 species of bivalves in the wild in Slovakia. This is a total of 6 freshwater non-indigenous species of wild molluscs. ;Summary table of number of species There a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Molluscs Recorded In The Czech Republic
This is a list of the non-marine molluscs of the Czech Republic. That country is land-locked and therefore it has no marine molluscs, only land and freshwater species, including snails, slugs, freshwater clams and freshwater mussels. There are 247 species of molluscs living in the wild in the Czech Republic. In addition there are at least 11 gastropod species surviving in greenhouses. There are 219 gastropod species (50 freshwater and 169 land species) and 28 bivalve species living in the wild. There are also 11 introduced gastropod species (5 freshwater and 7 land species) and 4 bivalve species living in the wild in the Czech Republic. This is a total of 9 freshwater non-indigenous species living in natural habitats. ;Summary table of number of species There are 2 endemic species of molluscs in the Czech Republic: *''Alzoniella slovenica'' in Moravia (and in Slovakia too) *'' Bulgarica nitidosa'' in Bohemia. History Historical lists from 19th century or overviews of Czech ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Limestone
Limestone ( calcium carbonate ) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of . Limestone forms when these minerals precipitate out of water containing dissolved calcium. This can take place through both biological and nonbiological processes, though biological processes, such as the accumulation of corals and shells in the sea, have likely been more important for the last 540 million years. Limestone often contains fossils which provide scientists with information on ancient environments and on the evolution of life. About 20% to 25% of sedimentary rock is carbonate rock, and most of this is limestone. The remaining carbonate rock is mostly dolomite, a closely related rock, which contains a high percentage of the mineral dolomite, . ''Magnesian limestone'' is an obsolete and poorly-defined term used variously for dolomite, for limes ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sweden
Sweden, formally the Kingdom of Sweden,The United Nations Group of Experts on Geographical Names states that the country's formal name is the Kingdom of SwedenUNGEGN World Geographical Names, Sweden./ref> is a Nordic country located on the Scandinavian Peninsula in Northern Europe. It borders Norway to the west and north, Finland to the east, and is connected to Denmark in the southwest by a bridgetunnel across the Öresund. At , Sweden is the largest Nordic country, the third-largest country in the European Union, and the fifth-largest country in Europe. The capital and largest city is Stockholm. Sweden has a total population of 10.5 million, and a low population density of , with around 87% of Swedes residing in urban areas in the central and southern half of the country. Sweden has a nature dominated by forests and a large amount of lakes, including some of the largest in Europe. Many long rivers run from the Scandes range through the landscape, primarily ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Öland
Öland (, ; ; sometimes written ''Øland'' in other Scandinavian languages, and often ''Oland'' internationally; la, Oelandia) is the second-largest Swedish island and the smallest of the traditional provinces of Sweden. Öland has an area of and is located in the Baltic Sea just off the coast of Småland. The island has 26,000 inhabitants. It is separated from the mainland by the Kalmar Strait and connected to it by the Öland Bridge, which opened on 30 September 1972. The county seat Kalmar is on the mainland at the other end of the bridge and is an important commercial centre related to the Öland economy. The island's two municipalities are Borgholm and Mörbylånga named after their municipal seats. Much of the island is farmland, with fertile plains aided by the mild and sunny weather during summer. Öland does not have separate political representation at the national level, and is fully integrated into Sweden as part of Kalmar County. Administration The trad ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Slovak Academy Of Sciences
The Slovak Academy of Sciences ( sk, Slovenská akadémia vied, or SAV) is the main scientific and research institution in Slovakia fostering basic and strategic basic research. It was founded in 1942, closed after World War II, and then reestablished in 1953. Its primary mission is to acquire new knowledge of nature, society and technology, specifically targeted at ensuring scientific basis for the advancement in Slovakia. It comprises 58 scientific institutes and 13 ancillary institutions. The SAV edits 44 scientific and scholarly journals and 100–120 monographs per annum. Moreover, 41 scientific and scholarly societies, which associate scientists and scholars from various disciplines, are affiliated with SAV. History The commencement of modern science in the 16th and 17th centuries resulted in the establishment of new institutions that supplemented classical universities and created a broader forum for fostering science communication. These institutions, which were buil ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aperture (mollusc)
The aperture is an opening in certain kinds of mollusc shells: it is the main opening of the shell, where the head-foot part of the body of the animal emerges for locomotion, feeding, etc. The term ''aperture'' is used for the main opening in gastropod shells, scaphopod shells, and also for ''Nautilus'' and ammonite shells. The word is not used to describe bivalve shells, where a natural opening between the two shell valves in the closed position is usually called a ''gape''. Scaphopod shells are tubular, and thus they have two openings: a main anterior aperture and a smaller posterior aperture. As well as the aperture, some gastropod shells have additional openings in their shells for respiration; this is the case in some Fissurellidae (keyhole limpets) where the central smaller opening at the apex of the shell is called an orifice, and in the Haliotidae (abalones) where the row of respiratory openings in the shell are also called orifices. In gastropods In some prosobranch ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Land Snail
A land snail is any of the numerous species of snail that live on land, as opposed to the sea snails and freshwater snails. ''Land snail'' is the common name for terrestrial gastropod mollusks that have shells (those without shells are known as slugs). However, it is not always easy to say which species are terrestrial, because some are more or less amphibious between land and fresh water, and others are relatively amphibious between land and salt water. Land snails are a polyphyletic group comprising at least ten independent evolutionary transitions to terrestrial life (the last common ancestor of all gastropods was marine). The majority of land snails are pulmonates that have a lung and breathe air. Most of the non-pulmonate land snails belong to lineages in the Caenogastropoda, and tend to have a gill and an operculum. The largest clade of land snails is the Cyclophoroidea, with more than 7,000 species. Many of these operculate land snails live in habitats or microhabitats ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Whorl (mollusc)
A whorl is a single, complete 360° revolution or turn in the spiral growth of a mollusc shell. A spiral configuration of the shell is found in numerous gastropods, but it is also found in shelled cephalopods including ''Nautilus'', ''Spirula'' and the large extinct subclass of cephalopods known as the ammonites. A spiral shell can be visualized as consisting of a long conical tube, the growth of which is coiled into an overall helical or planispiral shape, for reasons of both strength and compactness. The number of whorls which exist in an adult shell of a particular species depends on mathematical factors in the geometric growth, as described in D'Arcy Wentworth Thompson's classic 1917 book ''On Growth and Form'', and by David Raup. The main factor is how rapidly the conical tube expands (or flares-out) over time. When the rate of expansion is low, such that each subsequent whorl is not that much wider than the previous one, then the adult shell has numerous whorls. When the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
