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Řežabinec A Řežabinecké Tůně
Řežabinec a Řežabinecké tůně (Řežabinec and Ponds of Řežabinec) is a national nature reserve in Kestřany in Písek District in the Czech Republic. It is situated among the villages of Lhota u Kestřan, Ražice and Putim. The area is protected due to the presence of valuable littoral ecosystems. This environment provides habitat suitable for many species of birds, who use this area for breeding, and other animal species. The protected area includes Řežabinecké pond itself, along with adjacent pools caused by the flooding of old medieval mining holes, and a significant archaeological site on neighboring Pikárna hill, where there was extensive human settlement in the Paleolithic and Mesolithic. The pond was constructed in a former river bed of the Otava River, and a wetland developed. The construction started in 1530 at the instigation of the Lord of Zvíkov Castle, Kryštof of Švamberk. Gradually the water area became overgrown with littoral vegetation consist ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
South Bohemian Region
The South Bohemian Region () is an administrative unit (''Regions of the Czech Republic, kraj'') of the Czech Republic, located mostly in the southern part of its historical land of Bohemia, with a small part in southwestern Moravia. The western part of the South Bohemian Region is former Prácheňsko, a huge archaic region with distinctive features with its capital, Písek. In 2011, there were 624 municipalities in the region, whereof 54 had a status of a town. The region borders (from the west clockwise) the regions of Plzeň Region, Plzeň, Central Bohemian Region, Central Bohemian, Vysočina Region, Vysočina and South Moravian Region, South Moravian. To the south, it borders Austria (Lower Austria and Upper Austria) and Germany (Bavaria). Until 30 May 2001, the region was named as or , after its capital, České Budějovice. Due to its geographical location and natural surroundings the region belongs to the first settlements that appeared in the distant past. Over the past ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mesolithic
The Mesolithic (Ancient Greek language, Greek: μέσος, ''mesos'' 'middle' + λίθος, ''lithos'' 'stone') or Middle Stone Age is the Old World archaeological period between the Upper Paleolithic and the Neolithic. The term Epipaleolithic is often used synonymously, especially for outside northern Europe, and for the corresponding period in Epipaleolithic Near East, the Levant and Epipaleolithic Caucasus, Caucasus. The Mesolithic has different time spans in different parts of Eurasia. It refers to the final period of hunter-gatherer cultures in Europe and the Middle East, between the end of the Last Glacial Maximum and the Neolithic Revolution. In Europe it spans roughly 15,000 to 5,000 Before Present, BP; in the Middle East (the Epipalaeolithic Near East) roughly 20,000 to 10,000 Before Present, BP. The term is less used of areas farther east, and not at all beyond Eurasia and North Africa. The type of culture associated with the Mesolithic varies between areas, b ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Solar Irradiation
Solar irradiance is the power per unit area (surface power density) received from the Sun in the form of electromagnetic radiation in the wavelength range of the measuring instrument. Solar irradiance is measured in watts per square metre (W/m2) in SI units. Solar irradiance is often integrated over a given time period in order to report the radiant energy emitted into the surrounding environment (joule per square metre, J/m2) during that time period. This integrated solar irradiance is called solar irradiation, solar radiation, solar exposure, solar insolation, or insolation. Irradiance may be measured in space or at the Earth's surface after atmospheric absorption and scattering. Irradiance in space is a function of distance from the Sun, the solar cycle, and cross-cycle changes.Michael Boxwell, ''Solar Electricity Handbook: A Simple, Practical Guide to Solar Energy'' (2012), pp. 41–42. Irradiance on the Earth's surface additionally depends on the tilt of the measurin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nature Conservation Agency Of The Czech Republic
Nature is an inherent character or constitution, particularly of the ecosphere or the universe as a whole. In this general sense nature refers to the laws, elements and phenomena of the physical world, including life. Although humans are part of nature, human activity or humans as a whole are often described as at times at odds, or outright separate and even superior to nature. During the advent of modern scientific method in the last several centuries, nature became the passive reality, organized and moved by divine laws. With the Industrial Revolution, nature increasingly became seen as the part of reality deprived from intentional intervention: it was hence considered as sacred by some traditions (Rousseau, American transcendentalism) or a mere decorum for divine providence or human history (Hegel, Marx). However, a vitalist vision of nature, closer to the pre-Socratic one, got reborn at the same time, especially after Charles Darwin. Within the various uses of the word t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Reed (plant)
Reed is a common name for several tall, grass-like plants of wetlands. Varieties They are all members of the order Poales (in the modern, expanded circumscription), and include: In the grass family, Poaceae * Common reed ('' Phragmites australis''), the original species named reed * Giant reed ('' Arundo donax''), used for making reeds for musical instruments * Burma reed ('' Neyraudia reynaudiana'') * Reed canary-grass ('' Phalaris arundinacea'') * Reed sweet-grass ('' Glyceria maxima'') * Small-reed ('' Calamagrostis'' species) In the sedge family, Cyperaceae * Paper reed or papyrus (''Cyperus papyrus''), the source of the Ancient Egyptian writing material, also used for making boats In the family Typhaceae * Bur-reed ('' Sparganium'' species) * Reed-mace (''Typha'' species), also called bulrush or cattail In the family Restionaceae * Cape thatching reed ('' Elegia tectorum''), a restio originating from the South-western Cape, South Africa. * Thatching reed ('' Thamno ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Zvíkov Castle
Zvíkov (; ), often called "the king of Czech castles",Petr David, Vladimír Soukup, Lubomír Čech, Wonders of Bohemia, Moravia and Silesia, pg. 138, Euromedia Group (2004), is a castle in Zvíkovské Podhradí municipality, about north of Písek in the South Bohemian Region of the Czech Republic. It stands on a difficult-to-access and steep promontory above the Confluence (geography), confluence of the Vltava and Otava (river), Otava rivers. The castle is one of the most important early-Gothic style, Gothic castles in Czech lands. The area was inhabited as early as prehistoric times, when the Celts built a fort here in the 1st century AD. The current castle was built in the first half of the 13th century, most probably on the orders of King Ottokar I of Bohemia, Ottokar I, but the exact date is not known. The first written mention of the castle comes from year 1234 and owned by the King of Bohemia, Kings of Bohemia. History Originally a small complex, the castle was continuou ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wetland
A wetland is a distinct semi-aquatic ecosystem whose groundcovers are flooded or saturated in water, either permanently, for years or decades, or only seasonally. Flooding results in oxygen-poor ( anoxic) processes taking place, especially in the soils. Wetlands form a transitional zone between waterbodies and dry lands, and are different from other terrestrial or aquatic ecosystems due to their vegetation's roots having adapted to oxygen-poor waterlogged soils. They are considered among the most biologically diverse of all ecosystems, serving as habitats to a wide range of aquatic and semi-aquatic plants and animals, with often improved water quality due to plant removal of excess nutrients such as nitrates and phosphorus. Wetlands exist on every continent, except Antarctica. The water in wetlands is either freshwater, brackish or saltwater. The main types of wetland are defined based on the dominant plants and the source of the water. For example, ''marshes'' ar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Otava River
The Otava () is a river in the Czech Republic, a left tributary of the Vltava River. It flows through the Plzeň and South Bohemian regions. It is formed by the confluence of the Vydra and Křemelná rivers. Together with the Vydra, which is its main source, the Otava is long, making it the 13th longest river in the country. Without the Vydra, it is long. Etymology The origin of the name is unclear. The word ''otava'' literally means "second harvest of grass", but the name of the river is probably of pre-Slavic origin and the resemblance to the word ''otava'' is only coincidental. A possible but unproven origin is the Germanic word ''Vatahva'', meaning "quick water". According to one theory, the name of the river is derived from the Celtic words ''áth a ava'', which meant "river with many fords". Characteristic From a water management point of view, the Otava and Vydra are two different rivers with separate numbering of river kilometres. The Otava itself is formed by the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pond
A pond is a small, still, land-based body of water formed by pooling inside a depression (geology), depression, either naturally or artificiality, artificially. A pond is smaller than a lake and there are no official criteria distinguishing the two, although defining a pond to be less than in area, less than in depth and with less than 30% of its area covered by aquatic plant, emergent vegetation helps in distinguishing the ecology of ponds from those of lakes and wetlands.Clegg, J. (1986). Observer's Book of Pond Life. Frederick Warne, London Ponds can be created by a wide variety of natural processes (e.g. on floodplains as cutoff river channels, by glacial processes, by peatland formation, in coastal dune systems, by beavers). They can simply be isolated depressions (such as a Kettle (landform), kettle hole, vernal pool, Prairie Pothole Region, prairie pothole, or simply natural undulations in undrained land) filled by runoff, groundwater, or precipitation, or all three ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Paleolithic
The Paleolithic or Palaeolithic ( years ago) ( ), also called the Old Stone Age (), is a period in human prehistory that is distinguished by the original development of stone tools, and which represents almost the entire period of human prehistoric technology. It extends from the earliest known use of stone tools by Hominini, hominins, 3.3 million years ago, to the end of the Pleistocene, 11,650 Before Present#Radiocarbon calibration, cal Before Present, BP. The Paleolithic Age in Europe preceded the Mesolithic Age, although the date of the transition varies geographically by several thousand years. During the Paleolithic Age, hominins grouped together in small societies such as band society, bands and subsisted by gathering plants, fishing, and hunting or scavenging wild animals. The Paleolithic Age is characterized by the use of Knapping, knapped stone tools, although at the time humans also used wood and bone tools. Other organic commodities were adapted for ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Birds
Birds are a group of warm-blooded vertebrates constituting the class (biology), class Aves (), characterised by feathers, toothless beaked jaws, the Oviparity, laying of Eggshell, hard-shelled eggs, a high Metabolism, metabolic rate, a four-chambered heart, and a strong yet lightweight Bird skeleton, skeleton. Birds live worldwide and range in size from the bee hummingbird to the common ostrich. There are over 11,000 living species and they are split into 44 Order (biology), orders. More than half are passerine or "perching" birds. Birds have Bird wing, wings whose development varies according to species; the only known groups without wings are the extinct moa and elephant birds. Wings, which are modified forelimbs, gave birds the ability to fly, although further evolution has led to the Flightless bird, loss of flight in some birds, including ratites, penguins, and diverse endemism, endemic island species. The digestive and respiratory systems of birds are also uniquely a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
