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Enviroscan Ukrainian Institute of Speleology and Karstology


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Community news

Speleology in Kazakhstan

Shakalov on 04 Jul, 2018
Hello everyone!   I pleased to invite you to the official site of Central Asian Karstic-Speleological commission ("Kaspeko")   There, we regularly publish reports about our expeditions, articles and reports on speleotopics, lecture course for instructors, photos etc. ...

New publications on hypogene speleogenesis

Klimchouk on 26 Mar, 2012
Dear Colleagues, This is to draw your attention to several recent publications added to KarstBase, relevant to hypogenic karst/speleogenesis: Corrosion of limestone tablets in sulfidic ground-water: measurements and speleogenetic implications Galdenzi,

The deepest terrestrial animal

Klimchouk on 23 Feb, 2012
A recent publication of Spanish researchers describes the biology of Krubera Cave, including the deepest terrestrial animal ever found: Jordana, Rafael; Baquero, Enrique; Reboleira, Sofía and Sendra, Alberto. ...

Caves - landscapes without light

akop on 05 Feb, 2012
Exhibition dedicated to caves is taking place in the Vienna Natural History Museum   The exhibition at the Natural History Museum presents the surprising variety of caves and cave formations such as stalactites and various crystals. ...

Did you know?

That orthogonal is perpendicular.?

Checkout all 2699 terms in the KarstBase Glossary of Karst and Cave Terms


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Featured articles from Cave & Karst Science Journals
Chemistry and Karst, White, William B.
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Featured articles from other Geoscience Journals
Karst environment, Culver D.C.
Mushroom Speleothems: Stromatolites That Formed in the Absence of Phototrophs, Bontognali, Tomaso R.R.; D’Angeli Ilenia M.; Tisato, Nicola; Vasconcelos, Crisogono; Bernasconi, Stefano M.; Gonzales, Esteban R. G.; De Waele, Jo
Calculating flux to predict future cave radon concentrations, Rowberry, Matt; Marti, Xavi; Frontera, Carlos; Van De Wiel, Marco; Briestensky, Milos
Microbial mediation of complex subterranean mineral structures, Tirato, Nicola; Torriano, Stefano F.F;, Monteux, Sylvain; Sauro, Francesco; De Waele, Jo; Lavagna, Maria Luisa; D’Angeli, Ilenia Maria; Chailloux, Daniel; Renda, Michel; Eglinton, Timothy I.; Bontognali, Tomaso Renzo Rezio
Evidence of a plate-wide tectonic pressure pulse provided by extensometric monitoring in the Balkan Mountains (Bulgaria), Briestensky, Milos; Rowberry, Matt; Stemberk, Josef; Stefanov, Petar; Vozar, Jozef; Sebela, Stanka; Petro, Lubomir; Bella, Pavel; Gaal, Ludovit; Ormukov, Cholponbek;
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Your search for cambaridae (Keyword) returned 4 results for the whole karstbase:
Studies of the cave crayfish, Orconectes inermis inermis Cope (Decapoda, Cambaridae). Part IV: Mark-recapture procedures for estimating population size and movements of individuals., 1978,
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Hobbs Iii Horton H.
Several methods for permanently marking cavernicolous crayfishes were investigated prior to initiation of field work in Pless Cave, Lawrence County, Indiana. Internally injected ink complemented with external "painting" proved to be a most satisfactory tagging procedure. During the two-year study period 211 individuals of the troglobitic crayfish Orconectes inermis inermis Cope were marked; 96 tagged individuals were recaptured at least once, a 46% recapture rate. The population size was estimated to be 1586 +/- 79 (95 % C.L.) over the 540 m subterranean stream study area and remained relatively stable during the period of 1970 to 1972. The home range of male crayfishes is as high as 20 m and extends up to 23 m for females, although maximum distances travelled by individuals of both sexes greatly exceed these values. Small individuals of both sexes are displaced downstream whereas larger crayfish show distinct upstream movement. If all movement data are pooled, both sexes exhibit a net downstream movement. The downstream movement of crayfish is heavily influenced by flooding.

A New Troglobitic Crayfish of the Genus Orconectes, Subgenus Orconectes (Decapoda: Cambaridae), Endemic to Shelta Cave, Huntsville, Alabama, 1997,
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Cooper, J. E. , Cooper, M. R.
Orconectes (Orconectes) sheltae is a new species of troglobitic crayfish endemic to Shelta Cave, Huntsville, Alabama, where it is the smallest and rarest member of a subterranean crayfish triad that includes O. (O.) a. australis and Cambarus (A.) jonesi. The new species may be distinguished from all other members of the subgenus by a combination of: (1) the absence of first pleopods in the female, (2) a broad median trough in the annulus, (3) the narrow, elongate chela of the cheliped, with its very long palm and subvertical orientation, (4) the length, conformation, and orientation of the terminal elements of the form I male gonopod (first pleopod), and (5) the lack of prominent spines on the mesial margin of the carpus. The mature oocytes of O. sheltae are large and few (8-12), and the young at recruitment may be larger than those of O. a. australis and C. jonesi

A maximum size and abundance record for Cambarus subterraneus (Astacoidea: Cambaridae), 2013,
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Fenolio Dante, Niemiller Matthew L, Soares Daphne, Slay Michael E, Stark Richard C, Hensley Steve L

The Delaware County Cave Crayfish, Cambarus subterraneus is restricted to just three caves within a small region of the Neosho River watershed of Delaware Co., Oklahoma, USA.  Few individuals are typically observed during surveys of the three caves.  This species is listed as ‘Critically Imperiled’ by NatureServe and ‘Critically Endangered’ by IUCN.  We observed an exceptionally large female in Twin Cave, Delaware Co., OK; we also recorded a record count in the system.  Based on our observations at Twin Cave, we think this population is healthy with continued recruitment and with some individuals attaining large sizes and presumably old ages.


Subterranean reproduction of the Ringed Crayfish, Orconectes neglectus Faxon 1885 (Astacoidea: Cambaridae) within an Ozark Highlands cave in Oklahoma, USA, 2013,
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Fenolio Dante, Niemiller Matthew L, Soares Daphne, Slay Michael E, Harris Andy, Harris Nate

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