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Egå Engsø
Egå Engsø is an artificial lake and wetland site located in the north of the town of Aarhus between Vejlby, Risskov and Lystrup. Engsø means 'meadow lake' and Egå means 'oak stream', referring to the stream that drains the lake into the Aarhus bay. The lake area is bordered by the Djursland motorway to the north and the Aarhus-Grenaa railway and the municipal heating pipes from Studstrup Power Station to the south and west. Background Egå Engsø was created by re-flooding meadows on land previously drained in the 1950s for agricultural use. By the 1990s the water quality and natural ecosystem in and around the Egå river into which the site drained had declined due to the effect of nitrate fertilizer (eutrophication) use, through intensive farming in the area. Aarhus Municipality, Aarhus County and the Danish Forest and Nature Agency resolved to construct the lake as part of Vandmiljøplan II (English: ''Action Plan for the Aquatic Environment II'') from 1998 to reduce t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Midtjylland
The Central Denmark Region ( da, Region Midtjylland), or more directly translated as the Central Jutland Region and sometimes simply Mid Jutland, is an administrative region of Denmark established on 1 January 2007 as part of the 2007 Danish municipal reform. The reform abolished the traditional counties (''amter'') and replaced them with five new administrative regions. At the same time, smaller municipalities were merged into larger units, cutting the total number of municipalities from 271 to 98. The reform diminished the power of the regional level dramatically in favour of the local level and the national government in Copenhagen. The Central Denmark Region comprises 19 municipalities. Toponymy The Danish name of the region means "Region of Mid Jutland" and describes the location in the central part of the Jutland peninsula, in contrast to Northern Jutland and Southern Jutland (which, together with Funen and some smaller islands, forms the Region of Southern Denmark). For co ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Meadows
A meadow ( ) is an open habitat, or field, vegetated by grasses, herbs, and other non-woody plants. Trees or shrubs may sparsely populate meadows, as long as these areas maintain an open character. Meadows may be naturally occurring or artificially created from cleared shrub or woodland. They can occur naturally under favourable conditions (see perpetual meadows), but they are often maintained by humans for the production of hay, fodder, or livestock. Meadow habitats, as a group, are characterized as "semi-natural grasslands", meaning that they are largely composed of species native to the region, with only limited human intervention. Meadows attract a multitude of wildlife, and support flora and fauna that could not thrive in other habitats. They are ecologically important as they provide areas for animal courtship displays, nesting, food gathering, pollinating insects, and sometimes sheltering, if the vegetation is high enough. There are multiple types of meadows, incl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
East Jutland Fjorde
East or Orient is one of the four cardinal directions or points of the compass. It is the opposite direction from west and is the direction from which the Sun rises on the Earth. Etymology As in other languages, the word is formed from the fact that east is the direction where the Sun rises: ''east'' comes from Middle English ''est'', from Old English ''ēast'', which itself comes from the Proto-Germanic *''aus-to-'' or *''austra-'' "east, toward the sunrise", from Proto-Indo-European *aus- "to shine," or "dawn", cognate with Old High German ''*ōstar'' "to the east", Latin ''aurora'' 'dawn', and Greek ''ēōs'' 'dawn, east'. Examples of the same formation in other languages include Latin oriens 'east, sunrise' from orior 'to rise, to originate', Greek ανατολή anatolé 'east' from ἀνατέλλω 'to rise' and Hebrew מִזְרָח mizraḥ 'east' from זָרַח zaraḥ 'to rise, to shine'. ''Ēostre'', a Germanic goddess of dawn, might have been a personificatio ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Black Tern
The black tern (''Chlidonias niger'') is a small tern generally found in or near inland water in Europe, Western Asia and North America. As its name suggests, it has predominantly dark plumage. In some lights it can appear blue in the breeding season, hence the old English name "blue darr". The genus name is from Ancient Greek ''khelidonios'', "swallow-like", from ''khelidon'', "swallow": another old English name for the black tern is "carr (i.e. lake) swallow". The species name is from Latin ''niger'' "shining black". Description Adults are long, with a wingspan , and weigh . They have short dark legs and a short, weak-looking black bill, measuring , nearly as long as the head. The bill is long, slender, and looks slightly decurved. They have a dark grey back, with a white forewing, black head, neck (occasionally suffused with grey in the adult) and belly, black or blackish-brown cap (which unites in color with the ear coverts, forming an almost complete hood), and a light ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ferruginous Duck
The ferruginous duck (''Aythya nyroca''), also known as ferruginous pochard, common white-eye or white-eyed pochard, is a medium-sized diving duck from Eurosiberia. The scientific name is derived from Greek '' aithuia'' an unidentified seabird mentioned by authors including Hesychius and Aristotle, and ''nyrok'', the Russian name for a duck. Description The breeding male is a rich, dark chestnut on the head, breast and flanks with contrasting pure white undertail coverts. In flight the white belly and underwing patch are visible. The females are duller and browner than the males. The male has a yellow eye and the females have a dark eye. Habitat The ferruginous duck prefers quite shallow fresh waterbodies with rich submerged and floating vegetation with dense stands of emergent vegetation on the margins. In some areas it will use saline or brackish pools or wetlands. On passage and wintering will also frequent coastal waters, inland seas and large, open lagoons. Distribut ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Eurasian Spoonbill
The Eurasian spoonbill (''Platalea leucorodia''), or common spoonbill, is a wading bird of the ibis and spoonbill family Threskiornithidae. The genus name ''Platalea'' is from Latin and means "broad", referring to the distinctive shape of the bill, and ''leucorodia'' is from Ancient Greek ''leukerodios'' "spoonbill", itself derived from ''leukos'', "white" and ''erodios'' "heron". In England it was traditionally known as the "shovelard", a name later used for the Northern Shoveller. Taxonomy and systematics A study of mitochondrial DNA of the spoonbills found that the Eurasian spoonbill is sister taxon to a clade containing the royal and black-faced spoonbills. The Eurasian spoonbill has three subspecies: * ''P. l. leucorodia'' – Linnaeus, 1758: nominate, occupies all the range except as below. * ''P. l. balsaci'' – Naurois & Roux, 1974: found on the islands off the Banc d'Arguin, Mauritania. * ''P. l. archeri'' – Neumann, 1928: found on the coasts of the Red Sea ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
White Stork
The white stork (''Ciconia ciconia'') is a large bird in the stork family, Ciconiidae. Its plumage is mainly white, with black on the bird's wings. Adults have long red legs and long pointed red beaks, and measure on average from beak tip to end of tail, with a wingspan. The two subspecies, which differ slightly in size, breed in Europe (north to Finland), northwestern Africa, southwestern Asia (east to southern Kazakhstan) and southern Africa. The white stork is a long-distance migrant, wintering in Africa from tropical Sub-Saharan Africa to as far south as South Africa, or on the Indian subcontinent. When migrating between Europe and Africa, it avoids crossing the Mediterranean Sea and detours via the Levant in the east or the Strait of Gibraltar in the west, because the air thermals on which it depends for soaring do not form over water. A carnivore, the white stork eats a wide range of animal prey, including insects, fish, amphibians, reptiles, small mammals and small bi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Short-eared Owl
The short-eared owl (''Asio flammeus'') is a widespread grassland species in the family Strigidae. Owls belonging to genus ''Asio'' are known as the eared owls, as they have tufts of feathers resembling mammalian ears. These "ear" tufts may or may not be visible. The short-eared owl will display its tufts when in a defensive pose, although its very short tufts are usually not visible. The short-eared owl is found in open country and grasslands. Taxonomy The short-eared owl was formally described in 1763 by the Lutheran bishop Erik Pontoppidan under the binomial name ''Strix flammea''. The specific epithet is from the Latin ''flammeus'' meaning "flammulated" or "flame-coloured". This owl is now placed with seven other species in the genus ''Asio'' that was introduced by the French zoologist Mathurin Jacques Brisson in 1760. Eleven subspecies are recognised: * ''A. f. flammeus'' – ( Pontoppidan, 1763): the nominate subspecies, found in North America, Europe, North Africa and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Indicator Species
A bioindicator is any species (an indicator species) or group of species whose function, population, or status can reveal the qualitative status of the environment. The most common indicator species are animals. For example, copepods and other small water crustaceans that are present in many water bodies can be monitored for changes (biochemical, physiological, or behavioural) that may indicate a problem within their ecosystem. Bioindicators can tell us about the cumulative effects of different pollutants in the ecosystem and about how long a problem may have been present, which physical and chemical testing cannot. A biological monitor or biomonitor is an organism that provides quantitative information on the quality of the environment around it. Therefore, a good biomonitor will indicate the presence of the pollutant and can also be used in an attempt to provide additional information about the amount and intensity of the exposure. A biological indicator is also the name g ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Thick Shelled River Mussel
''Unio crassus'', the thick shelled river mussel, is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels. MolluscaBase eds. (2023). MolluscaBase. Unio crassus Philipsson, 1788. Accessed through: World Register of Marine Species at: https://marinespecies.org/aphia.php?p=taxdetails&id=1044116 on 2023-01-09 ;Subspecies: * † ''Unio crassus jaeckeli'' Modell, 1950 * † ''Unio crassus klemmi'' Modell, 1957 Ecology As part of newly discovered reproductive behaviour, this mollusc crawls up to the edge of the water, exposing its excurrent aperture, and then lets loose a stream of water. The fountain of water often contains glochidia, and it is suggested that this spurting behavior may facilitate dispersal of mussel larvae (video). Decline The thick shelled river mussel declined during the 20th century everywhere in Europe due to deteriorating water quality, habitat fragmentation and host fish limitation. Distribution Its native d ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Carcinogenic
A carcinogen is any substance, radionuclide, or radiation that promotes carcinogenesis (the formation of cancer). This may be due to the ability to damage the genome or to the disruption of cellular metabolic processes. Several radioactive substances are considered carcinogens, but their carcinogenic activity is attributed to the radiation, for example gamma rays and alpha particles, which they emit. Common examples of non-radioactive carcinogens are inhaled asbestos, certain dioxins, and tobacco smoke. Although the public generally associates carcinogenicity with synthetic chemicals, it is equally likely to arise from both natural and synthetic substances. Carcinogens are not necessarily immediately toxic; thus, their effect can be insidious. Carcinogens, as mentioned, are agents in the environment capable of contributing to cancer growth. Carcinogens can be categorized into two different types: activation-dependent and activation-independent, and each nature impacts their l ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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