Housle

Housle
Locality type: Educational path
Continent: Europe
State (country): Czech republic
Place: Prague capital

Nerby the river: Vltava

Straight direct in Prague-Lysolaje quarter, there is to be found small educational path. It leads you through natural monunment, known as Housle. The path starts nearby a spring which is marked as miraculous fountain. Nevertheless, no water flows throughout this ravine permanently. This abyss is 20-30 metres deep. On sides of ravine, there are uncovered mineral rocks, presenting the geology of this area. At first, you pass along dark slates, which were put down here as a swamp, billion of years ago, in Proterozoic Sea. Mountain moving changes let here their traces, so the surface is cracked and slightly changed. The path leads you up to the place where the abyss finishes seemingly. All around, there are situated perpendicular sandstone rockwalls. Anyway, the valley continues above this wall. This place presents the origin of whole formations. Decayed sandstones, as a source of sand, were excavated here. The sand was transported away just on the way, you arrived here. These sandstones are, similarly as slades, originally sea sediments. They were created 90 millons of years ago, i.e. there was a time period, when dinosauros walked on earth surface. At that time, our area was indundated by this sea. So, in sandstones, there are to be found positions, containing many prints of sea shells and sea snails. However, these petrifications are in decayed mineral stones preserved in bad condition, and in any case, they are not suitable to put is, as samples, for collections. When you visit these places, you have to pay attention, as sandstones are decayed all the time, and block of stones are broken off, when the winter is over. You have to return from the quarry and continue to climb upstairs, following the slope above abyss. The forest, you find here, enables the existence of such sorts of insects, which could not be watched at all. 16 sorts of running beetles are living here. When you watch around carefully, you can see small mammals, such as shrew-mouse. You can find here a lot of hunting animals, such as hares, roe-deers or fox. Local trees are old more than 80 years. At that time, there were here mesadows and pasture land only. Now, you can find here mostly non-original woods, such as svelte pine-woods or larch trees, originally coming from mountaneous areas. On the other hand, black pines and chestnuts are of South Europe origin. Red oak and acacia come from America. However, acacia is a problematic wood, it is more suitable into towns´ environment, as it is very resistant tree. Moreover, white acacia blooms smell strongly, whereas its flowers are important food for honey-bees. Nevertheless, bark as well as flowers of these trees are poisonous. Its winged seeds are easily and quickly enlarged. The acacia trees eliminate some stoffs into the earth which stop the growth of other plants. So, no other plants are growing below these woods. The liquidation of acacia is difficult and costly, as in case, you cut off, the other stubs are growing up from roots and stumps.

Route length: 1,3 kms

Place

Czech republic

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Localities:

Region
Mountain
River

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Today:saturday 6. 6. 2020
Holiday:Norbert
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