Petrogenesis of contrasting granitoid plutons in western Bohemia (Czech Republic)

1999 ◽  
Vol 65 (3-4) ◽  
pp. 207-235 ◽  
Author(s):  
W. Siebel ◽  
K. Breiter ◽  
I. Wendt ◽  
A. H�hndorf ◽  
F. Henjes-Kunst ◽  
...  

Author(s):  
Jan Hošek ◽  
Jan Valenta ◽  
Vladislav Rapprich ◽  
Tomáš Hroch ◽  
Veronika Turjaková ◽  
...  


2004 ◽  
Vol 15 (4) ◽  
Author(s):  
Vladimir Hula ◽  
Martin Konvička ◽  
Alois Pavlicko ◽  
Zdenek Fric

Thirty colonies of the Marsh Fritillary (Euphydryas aurinia) have recently been recorded in Western Bohemia, Czech Republic. The majority of colonies are small, their total area are 1.5 km2. Small size and intensive grazing/mowing were positively associated with observed declines/extinctions, while abandonment threatens the colonies in the longer term. Short distances to nearest colonies buffered against declines. High colony turnover, asynchronous local dynamics pointed and the species’ biotope requirements all point to a dynamic metapopulation structure; patterns of connectivity revealed that there are several metapopulations within the region. Because conserving the species within its extant sites seems unsustainable in the long term, restoration of its habitats is proposed.



2012 ◽  
Vol 76 (7) ◽  
pp. 2837-2860 ◽  
Author(s):  
J. Plášil ◽  
J. Hauser ◽  
V. Petříček ◽  
N. Meisser ◽  
S. J. Mills ◽  
...  

AbstractThe crystal structure of deliensite, Fe[(UO2)2(SO4)2(OH)2](H2O)7, was solved by direct methods and refined to R1 = 6.24% for 5211 unique observed reflections [Iobs > 3σ(I)], on a crystal that was found to consist of rotational and inversion (merohedral) twins, from Jeroným mine, Abertamy in the Czech Republic. The presence of four twin domains was taken into account in the refinement. The structure is orthorhombic, space group Pnn2, with unit-cell parameters a = 15.8514(9), b = 16.2478(7), c = 6.8943(3) Å, V = 1775.6(1) Å3 and Z = 4. The crystal structure of deliensite contains uranyl-sulfate sheets with a phosphuranylite topology, consisting of dimers of edge-sharing uranyl pentagonal bipyramids linked by corner-sharing with sulfate tetrahedra. The sheets lie in the (100) plane and are decorated by [Fe2+O(H2O)5] octahedra; two weakly bonded H2O molecules are present in the interlayer. The [Fe2+O(H2O)5] octahedron is linked directly to the sheet via the uranyl oxygen atom. Adjacent sheets are linked by hydrogen bonds only. The sheet topology and geometrical isomerism is discussed and a comparison of the composition obtained from electron-probe microanalysis, powder-diffraction data, Raman and infrared spectra of deliensite samples from Mas d'Alary, Lodève, France; L'Ecarpière mine, Gétigné, France; and several localities at Jáchymov, Western Bohemia, Czech Republic is made.



Author(s):  
Marie Borkovcová ◽  
Jan Dvořák ◽  
Tomáš Martin

The aim of this study was detection of prevalence of the parasitecoenoses of sika deer (Cervus nippon) living in the wild in the area of Western Bohemia (Czech Republic) and to compare roundup data with results from previous investigations.All together 560 samples of excrements and 8 grallochs were examined. The research was done from March 2005 to June 2007. The samples of excrements were collected during the whole research period in periodical monthly intervals always in the amount of 20 pieces. Grallochs were examined by partial helmintological dissection, the samples of excrements by Baermann method and flotation. Parasites were detected only in 26.8 % of examined samples. The spectrum of detected parasites included: coccidia Eimeria spp. (8.6 %), lungworms (LW) Dictyocaulus sp. and Bicaulus sagittatus (23.4 %), and nematode worms from the group of gastrointestinal nematodes (GIN) (7.9 %). In fine we can confirm that the Sika game is quite resistant against parasitoses under our conditions, and health of Sika game in monitored localities is good.





2018 ◽  
Vol 74 (1-2) ◽  
pp. 37-44 ◽  
Author(s):  
Zbyněk Šimůnek ◽  
Christopher J. Cleal

A single frond fragment found in the lower Bolsovian Substage of Central and Western Bohemia (the Czech Republic) closely resembles Alethopteris pseudograndinioides Zodrow et Cleal, a species not normally seen until rather younger, late Asturian floras. This discovery provides further evidence that some of the species that suddenly proliferated in mid-Asturian times in response to climate and/or landscape changes, originated in the upland vegetation of the Variscan Mountains.



2017 ◽  
Vol 48 (1) ◽  
pp. 53-77
Author(s):  
Jaroslav Červený ◽  
Luděk Bufka ◽  
Václav Husinec ◽  
Jiří Bešťák

We report on the results of a short-term research of mammals of the Plánický hřeben ridge, a mountain range in south-western Bohemia. Altogether, 62 species of mammals (68.1% of the mammalian fauna of the Czech Republic) have been recorded (eight eulipotyphlans, 18 bats, 15 rodents, 13 carnivores, seven artiodactylians, and one lagomorph). In total, 261 individuals of 15 species of small mammals were recorded at 10 localities: Sorex araneus (41 inds., D=17.7%, F=100%), S. minutus (22 inds., D=8.4%, F=90%), Neomys fodiens (14 inds., D=5.4%, F=50%), N. anomalus (6 inds., D=2.3%, F=30%), Crocidura suaveolens (1 ind., D=0.4%, F=10%), C. leucodon (1 ind., D=1.2%, F=20%), Talpa europaea (2 ind., D=0.8%, F=20%), Clethrionomys glareolus (37 inds., D=14.2%, F=90%), Arvicola amphibius (2 inds., D=0.8%, F=20%), Microtus arvalis (50 inds., D=19.2%, F=70%), M. agrestis (47 inds., D=18.0%, F=80%), M. subterraneus (6 inds., D=2.3%, F=30%), Apodemus sylvaticus (17 inds., D=6.5%, F=80%), A. flavicollis (11 inds., D=4.2%, F=60%), and Micromys minutus (2 inds., D=0.8%, F=20%). Eighteen species of bats were netted at 10 localities: Myotis myotis (F=60%), M. bechsteinii (F=30%), M. nattereri (F=60%), M. mystacinus (F=70%), M. brandtii (F=30%), M. alcathoe (F=10%), M. daubentonii (F=90%), Eptesicus serotinus (F=20%), E. nilssonii (F=40%), Pipistrellus pipistrellus (F=80%), P. pygmaeus (F=40%), P. nathusii (F=40%), Nyctalus noctula (F=40%), N. leisleri (F=30%), Vespertilio murinus (F=20%), Barbastella barbastellus (F=20%), Plecotus auritus (F=50%), and P. austriacus (F=10%). Larger mammals of 15 species were monitored by camera traps at 10 localities: Mustela erminea (F=10%), Martes martes (F=60%), M. foina (F=80%), Meles meles (F=60%), Lutra lutra (F=10%), Vulpes vulpes (F=100%), Nyctereutes procyonoides (F=10%), Lynx lynx (F=20%), Sus scrofa (F=100%), Capreolus capreolus (F=100%), Cervus elaphus (F=70%), C. nippon (F=50%), Dama dama (F=70%), Ovis aries musimon (F=50%), and Lepus europaeus (F=90%). Fourteen other species were documented by daytime and night counting, snow tracking, faeces sampling and road-kill collecting: Erinaceus europaeus, Castor fiber, Sciurus vulgaris, Muscardinus avellanarius, Ondatra zibethicus, Mus musculus, Rattus norvegicus, Myocastor coypus, Mustela nivalis, M. putorius, Neovison vison, Canis aureus, Procyon lotor, and Alces alces.



2008 ◽  
Vol 7 ◽  
pp. 33-46
Author(s):  
Petr Bogusch ◽  
Libor Dvořák ◽  
Jaroslav Č. Hlaváč

Results of the faunistic survey on molluscs in the vicinity of the town of Blatná (south-western Bohemia, Czech Republic) are presented. This research was carried out in 2004–2007 at 28 sites complemented by other older unpublished records. Altogether 87 species (76 gastropods, 11 bivalves) have been recorded that the freshwater molluscs represented the most abundant ecological group in this region (about 40% of all species recorded). However, the rare species (e.g. Aplexa hypnorum, Physa fontinalis, Pisidium obtusale) have been found usually in small water bodies while the majority of common freshwater molluscs was recorded predominantly in large and mid-sized ponds. The snail Gyraulus acronicus is the rarest freshwater species found only at one locality. Important proportion of investigated malacofauna consisted of wetland and floodplain species with rare elements such as Vertigo antivertigo, V. substriata, Euconulus praticola or even V. angustior, the former being protected in the whole Europe. Occurrence of this endangered species in the studied region represents one of the most important clusters of its populations in Bohemia. Only several forest species have been recorded, the species Acanthinula aculeata and Vertigo pusilla are of particular importance. Unique are finds of the steppe species Chondrula tridens on old slacking walls in the town of Blatná.



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