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Vidoule

A cache by Hamerinski Send Message to Owner Message this owner
Hidden : 06/18/2010
Difficulty:
1.5 out of 5
Terrain:
2 out of 5

Size: Size: not chosen (not chosen)

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Geocache Description:


Table mountain Vidoule

Table mountain Vidoule

CZE

Vyrazna tabulova hora tvorena reliktem horizontalne ulozenych kridovych vrstev s vychozy na okrajove hrane. Refugium drobnych zivocichu a vyznamny krajinny prvek.
Ukazka tabulove hory, geologicke profily perucko - korycanskym souvrstvim cenomanu s cetnymi skalnimi vychozy piskovcu prekrytymi vrstvou slinu az slinovcu (opuk) spodniho turonu, ktere tvori vrcholovou plosinu (jiz mimo CHU). Ze zkamenelin muzeme uvest druhy Inoceramus labiatus, Enoploclythia leachi a Rhynchostreon suborbiculatum. V podlozi kridy zvrasnene bridlice a piskovce ordovickeho stupne beroun. Vetsinou oligobazicke hnede pudy, misty obohacene splachy slinovcu, casto narusene nekdejsi tezbou. Pramenny horizont.
Prevazuje druhotna chuda, casto poloruderalni vegetace. Steny geologickeho profilu vetsinou zarostle vysadbou akatu a naletem bezu cerneho, osiky a jivy, pouze jizni svah hosti na byvalych mezich a pastvinach teplomilny travnik s valeckou praporitou a kostravou zlabkatou. Z brouku stepniho charakteru zde byly zjisteny i vyznamne druhy, napr. strevlicci Ophonus schaubergerianus, Cymindis angularis, z fytofagu mandelinkoviti, napr. Coptocephala rubicunda, Cryptocephalus violaceus, drepcik Aphtona cyanella a stitonos Cassida rufovirens; z celedi Urodontidae Urodon conformis, z nosatcovitych napr. bezkridle druhy Otiorhynchus fullo, O. velutinus, tri druhy z rodu Trachyphloeus. Na jiznim otevrenem svahu mekkysi s ohrozenou trojzubkou stepni (Chondrula tridens). Bohaty kerovy porost je hnizdistem ptactva, napr. strnada obecneho, penice cernohlave, drozda zpevneho, dnes jiz jen ojedinele tuhyka obecneho, penice hnedokridle. Slavik obecny a dalsi druhy se pravidelne zastavuji na tahu.
Severni usek je dnes umele zalesnen, prevazne nepuvodni borovici lesni, porosty prirozenejsiho slozeni jsou az pod horizontalni cestou, na vychodni strane lem starsich dubu, na jizni svahu teplomilna vegetace. Zbytek je bezlesy nebo zarustajici krovinami.
Lesni porosty jsou obhospodarovany v souladu s ochrannym rezimem. V minulosti cely okraj plosiny Vidoule lemovaly piskovcove lomy, takze piskovce zde, zejmena na severni strane, vystupuji v podobe skalnich sten.
V soucasne dobe je CHU zahrnuto do prirodniho parku Kosire - Motol, jehoz souvisly lesni komplex na severnim svahu primo navazuje na zalesnenou hranu a zahrnuje i porosty v parku historicke usedlosti Cibulka.


Pro uznani logu musite splnit:

Do logu vlozte fotografii (dle spoileru) ze souradnic earthcache, na ktere jste Vy a piskovcova skala za Vasimi zady.

Odpovezte na par otazek emailem pres profil:
Jaky je vyskovy rozdil mezi vrcholem hory Vidoule a souradnicemi earthcache?
Jaky typ kamene tvori vychodni cast tabulove hory Vidoule?
Na souradnicich N50° 03.415 E014° 21.488 se nachazi informacni tabule pro zjisteni potrebnych informaci.

ENG

Eastern and partly also the northern and southern edges of the Vidoule plateau above Jinonice and Cibulka.
Distinct table mountain consisting in a relic of horizontal Cretaceous strata with outcrops on the edge. Refuge of minor animals and significant landscape element.
Example of a table mountain, geological profiles of the Peruc-Korycany formation of the Cenomanian with numerous sandstone outcrops, covered with a layer of marles to marlites of the Lower Turonian, forming a plateau (outside the protected area). The number of fossils includes Inoceramus labiatus, Enoploclythia leachi and Rhynchostreon suborbiculatum. Below the Cretaceous strata there are folded shales and sandstones of the Beroun step of the Ordovician. Mostly oligobasic brown soils, locally enriched with marlite outwash, often disturbed by past quarrying. Aquifer.
Prevailing secondary poor, often semiruderal vegetation. The walls of the geological profile are mostly overgrown with planted false acacia and wind-swept elder, aspen and willow. Only the southern slope hosts thermophilous grass with Brachypodium pinnatum and Festuca rupicola on former balks and pastures.
From the number of beetles of steppe character even some significant species have been ascertained, including Ophonus schaubergerianus and Cymindis angularis from the ground beetles. The phytophagous beetles include e.g. Coptodephala rubicunda and Cryptocephalus violaceus from the leaf beetles, Aphtona cyanella from the flea beetles, Cassida rufovirens, Urodon conformis, the wingless Otiorhynchus fullo and O. velutinus from the snout beetles, three species of the Trachyphloeus family, and others. The southern open slope hosts the molluscs including the endangered Chondrula tridens. The rich bushes are the nesting site of such birds as the yellowhammer, the blackcap, the mistle thrush, today only solitary red-backed shrike, and the common warbler. The nightingale and other species stop regularly in passing.
The northern part has been forested artificially, mostly with non-indigenous scots pine. Vegetation of a more natural structure can be found below the horizontal road. On the eastern side there is a border of older oaks, the southern slope is covered with thermophilous vegetation. The remainder is free of woods or overgrowing with shrubs.
The woods are exploited in accordance with the protection regime. In the past the whole edge of the Vidoule plateau was bordered with sandstone quarries, as a result of which the sandstones appear as rock walls, particularly on the northern side.
At present the protected area is incorporated into the Kosire - Motol natural park the forest complex of which on the northern slope merges with the forested plateau edge and includes also the vegetation in the park of the historical farmstead of Cibulka.


To log this cache you have to

Upload in the log photo (as spoiler) from the earthcache coordinates with you and Vidoule sandstone rock behind you.

Answer few questions with email:
What is the difference in the altitude between the mountain Vidoule and the earthcache coordinates?
What type of stone forms the eastern part of the table mountains Vidoule?
With coordinates N50° 03.415 E014° 21.488 is information boards will provide information.

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