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Elbsandsteingebirge
The Elbe Sandstone Mountains, also called the Elbe Sandstone Highlands (, ; , ), are a mountain range straddling the border between the state of Saxony in southeastern Germany and the North Bohemian region of the Czech Republic, with about three-quarters of the area lying on the German side. In both countries, core parts of the mountain range have been declared a national park. The name derives from the sandstone which was carved by erosion. The river Elbe breaks through the mountain range in a steep and narrow valley. The Saxon Switzerland and Bohemian Switzerland national parks, known also as Saxon-Bohemian Switzerland, are located within the territory of Elbe Sandstone Mountains. Geography Extent The Elbe Sandstone Mountains extend on both sides of the Elbe from the Saxon town of Pirna in the northwest toward Bohemian Děčín in the southeast. Their highest peak with is the Děčínský Sněžník in Bohemian Switzerland on the left bank of the river in Bohemian Switzerlan ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Table (landform)
A tableland is an area containing elevated landforms characterized by a distinct, flat, nearly level, or gently undulating surface. They often exhibit steep, cliff-like edges, known as escarpments, that separate them from surrounding lowlands. Depending on either their size, other physical characteristics, or geographic location, the landforms comprising a tableland are individually referred to by a number of names including butte, mesa, plateau, potrero, tepui, or tuya. A homologous landform under the sea is called either a tablemount or guyot. Sedimentary tablelands Sedimentary tablelands are tablelands that typically have developed from the erosion of coarse-grained, clastic, sedimentary rocks in the form of relatively flat-lying sandstones and conglomerates that have not been strongly deformed by tectonics. The primary control on the geomorphology of sedimentary tablelands is the dip of the layers of the sandstones, conglomerates, and associated sedimentary strata. Sedim ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mesa
A mesa is an isolated, flat-topped elevation, ridge, or hill, bounded from all sides by steep escarpments and standing distinctly above a surrounding plain. Mesas consist of flat-lying soft sedimentary rocks, such as shales, capped by a resistant layer of harder rock, like sandstone or limestone, forming a caprock that protects the flat summit. The caprock may also include dissected lava flows or eroded duricrust. Unlike a ''plateau'', which is a broader, elevated region that may not have horizontal bedrock (e.g., Tibetan Plateau), a mesa is defined by flat-lying strata and steep-sided isolation. Large, flat-topped plateaus with horizontal strata, less isolated and often part of extensive plateau systems, are called '' tablelands''. A ''butte'' is a smaller, eroded mesa with a limited summit, while a '' cuesta'' has a gentle dip slope and one steep escarpment due to tilted strata.Duszyński, F., Migoń, P. and Strzelecki, M.C., 2019. ''Escarpment retreat in sedim ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lusatian Mountains
The Lusatian Mountains (; ; ) are a mountain range of the Western Sudetes on the southeastern border of Germany with the Czech Republic. They are a continuation of the Ore Mountains range west of the Elbe valley. The mountains of the northern, German, part are called the Zittau Mountains. Geography The range is among the westernmost extensions of the Sudetes, which stretch along the border between the historic region of Silesia in the north, and Bohemia and Moravia in the south up to the Moravian Gate in the east, where they join the Carpathian Mountains. The northwestern foothills of the Lusatian Mountains are called the Lusatian Highlands; in the southwest the range borders on the České Středohoří mountains. The range is largely made up of sandstone sedimentary rocks leaning on a Precambrian crystalline Basement (geology), basement. The northern ridge is marked by the Lusatian Fault, a geological disturbance zone separating the Bohemian sandstones from the Lusatian gr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Meißen
Meissen ( ), is a town of approximately 30,000 about northwest of Dresden and 75 km (46 mi) west of Bautzen on both banks of the Elbe river in the Free State of Saxony, in eastern Germany. Meissen is the home of Meissen porcelain, the Albrechtsburg castle, the Gothic architecture, Gothic Meissen Cathedral and the Meissen Frauenkirche. The ''Große Kreisstadt'' is the capital of the Meissen district. History It grew out of the early Polabian Slavs, West Slavic settlement of ''Miśni'' inhabited by Glomatians and was founded as a German town law, German town by King Henry the Fowler in 929. In 968, the Diocese of Meissen was founded, and Meissen became the episcopal see of a bishop. The Catholic bishopric was suppressed in 1581 after the diocese accepted the Protestant Reformation (1559), but re-created in 1921 with its seat first at Bautzen and now at the Katholische Hofkirche in Dresden. In 965, the Margraviate of Meissen, a frontier march of the Holy Roman Empire, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Elbe Sandstone
Elbe Sandstone () describes sandstones that naturally occur in North Bohemia and those parts of Saxony within the area around Dresden. It is named after the River Elbe, which cuts through the sandstone region in a transverse valley, the ''Elbe Valley Zone''. It reaches the surface most strikingly in the Elbe Sandstone Mountains, which are divided into the regions of Saxon Switzerland on German soil and Bohemian Switzerland on Czech territory. The term Elbe Sandstone is used in both geological and economic contexts. Geological term In a geological sense, Elbe Sandstone includes all sandstone types that occur in the region of the Elbe Valley and were formed during the Cretaceous period. It consists mainly of quartz grains that are cemented by silica. The ratios and constituents of its accessory minerals are variable. Its deposits border on the area of the Lusatian Massif (Lusatian anticlinal zone), the Meißner Massif, the gneiss of the Eastern Ore Mountains, the Elbe Valley Sl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Central Uplands
The Central UplandsDickinson (1964), p.18 ff. (N.B. In German die ''Mittelgebirge'' (plural) refers to the Central Uplands; das ''Mittelgebirge'' refers to a low mountain range or upland region (''Mittel'' = "medium" and ''-gebirge'' = "range").) is one of the three major natural regions of Germany. It stretches east to west across the country. To the north lies the North German Plain or Northern Lowland; to the south, the Alps and the Alpine Foreland. Formation The German Central Uplands, like the Scandinavian and British mountain ranges and the Urals, belong to the oldest mountains of Europe, even if their present-day appearance has only developed relatively recently. In the Carboniferous, i.e. about 350 million years ago, Variscan mountain ranges were formed in central Europe by the uplifting caused by tectonic plate collision. Immediately after their formation the erosion of the mountains began under the influence of exogenous processes during the Permian period. During ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mosses
Mosses are small, non-vascular flowerless plants in the taxonomic division Bryophyta (, ) '' sensu stricto''. Bryophyta ('' sensu lato'', Schimp. 1879) may also refer to the parent group bryophytes, which comprise liverworts, mosses, and hornworts. Mosses typically form dense green clumps or mats, often in damp or shady locations. The individual plants are usually composed of simple leaves that are generally only one cell thick, attached to a stem that may be branched or unbranched and has only a limited role in conducting water and nutrients. Although some species have conducting tissues, these are generally poorly developed and structurally different from similar tissue found in vascular plants. Mosses do not have seeds and after fertilisation develop sporophytes with unbranched stalks topped with single capsules containing spores. They are typically tall, though some species are much larger. ''Dawsonia'', the tallest moss in the world, can grow to in height. There ar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fern
The ferns (Polypodiopsida or Polypodiophyta) are a group of vascular plants (plants with xylem and phloem) that reproduce via spores and have neither seeds nor flowers. They differ from mosses by being vascular, i.e., having specialized tissues that conduct water and nutrients, and in having life cycles in which the branched sporophyte is the dominant phase. Ferns have complex leaf, leaves called megaphylls that are more complex than the microphylls of clubmosses. Most ferns are leptosporangiate ferns. They produce coiled Fiddlehead fern, fiddleheads that uncoil and expand into fronds. The group includes about 10,560 known extant species. Ferns are defined here in the broad sense, being all of the Polypodiopsida, comprising both the leptosporangiate (Polypodiidae (plant), Polypodiidae) and eusporangiate ferns, the latter group including horsetails, Psilotaceae, whisk ferns, marattioid ferns, and ophioglossoid ferns. The fern crown group, consisting of the leptosporangiates and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Species Richness
Species richness is the number of different species represented in an community (ecology), ecological community, landscape or region. Species richness is simply a count of species, and it does not take into account the Abundance (ecology), abundances of the species or their Relative species abundance, relative abundance distributions. Species richness is sometimes considered synonymous with species diversity, but the formal metric species diversity takes into account both species richness and species evenness. Sampling considerations Depending on the purposes of quantifying species richness, the individuals can be Forest inventory#Simple random sampling, selected in different ways. They can be, for example, trees found in an forest inventory, inventory plot, birds observed from a monitoring point, or beetles collected in a pitfall trap. Once the set of individuals has been defined, its species richness can be exactly quantified, provided the species-level Taxonomy (biology), taxo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Microclimate
A microclimate (or micro-climate) is a local set of atmosphere of Earth, atmospheric conditions that differ from those in the surrounding areas, often slightly but sometimes substantially. The term may refer to areas as small as a few square meters or smaller (for example a raised-bed gardening, garden bed, underneath a rock, or a cave) or as large as many square kilometers. Because climate is statistics, statistical, which implies Spatial analysis, spatial and temporal variation of the mean values of the describing parameters, microclimates are identified as statistically distinct conditions which occur and/or persist within a region. Microclimates can be found in most places but are most pronounced in topographically dynamic zones such as mountainous areas, islands, and coastal areas. Microclimates exist, for example, near bodies of water which may cool the local atmosphere, or in heavy urban areas where brick, concrete, and Asphalt concrete, asphalt absorb the sun's energy, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Soil
Soil, also commonly referred to as earth, is a mixture of organic matter, minerals, gases, water, and organisms that together support the life of plants and soil organisms. Some scientific definitions distinguish dirt from ''soil'' by restricting the former term specifically to displaced soil. Soil consists of a solid collection of minerals and organic matter (the soil matrix), as well as a porous phase that holds gases (the soil atmosphere) and water (the soil solution). Accordingly, soil is a three- state system of solids, liquids, and gases. Soil is a product of several factors: the influence of climate, relief (elevation, orientation, and slope of terrain), organisms, and the soil's parent materials (original minerals) interacting over time. It continually undergoes development by way of numerous physical, chemical and biological processes, which include weathering with associated erosion. Given its complexity and strong internal connectedness, soil ecologists ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ravine
A ravine is a landform that is narrower than a canyon and is often the product of streambank erosion. Ravines are typically classified as larger in scale than gullies, although smaller than valleys. Ravines may also be called a cleuch, dell, ghout (Nevis), gill or ghyll, glen, gorge, kloof (South Africa), and chine (Isle of Wight) A ravine is generally a fluvial slope landform of relatively steep (cross-sectional) sides, on the order of twenty to seventy percent in gradient. Ravines may or may not have active streams flowing along the downslope channel which originally formed them; moreover, often they are characterized by intermittent streams, since their geographic scale may not be sufficiently large to support a perennial stream. Definition According to Merriam-Webster, a ravine is "a small, narrow, steep-sided valley that is larger than a gully and smaller than a canyon and that is usually worn by running water". Some societies and languages do not differentiate b ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
