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Theba Macandrewiana
''Theba macandrewiana'' is a species of land snail of the family Helicidae, endemic to the Savage Islands of Portugal. Its shell is around in length. Distribution and habitat It is present in the three islands (Selvagem Grande, Selvagem Pequena and Fora Islet) where it occurs on rocky and sandy soils, beneath rocks or associated to grasses from in altitude. It is the only non-marine gastropod species known from the archipelago. Threats The species was threatened by previous introduction of rabbits (''Oryctolagus cuniculus''), mice (''Mus musculus'') and the tobacco tree (''Nicotiana glauca'') to the Selvagem Grande which were effectively eradicated in the early 2000's. Today, the species is susceptible to soil erosion and consequent landslides from rainstorms that affect the arid archipelago and also native lizards that may predate on eggs. In the longer term the species could be threatened by increased frequency of droughts and sea level changes due to climate change. It r ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ludwig Karl Georg Pfeiffer
Ludwig Karl Georg Pfeiffer, also known as Louis Pfeiffer (4 July 1805 – 2 October 1877), was a German physician, botany, botanist and conchology, conchologist. Early life, Education & Medical Career Louis Pfeiffer was born in Cassel, the eldest son of the jurist Burkhard Wilhelm Pfeiffer and his wife Louise (née Harnier). Pfeiffer received his primary education in the Friedrichsgymnasium Kassel, Cassel Lyceum, where he distinguished himself academically, and by the age of fifteen was already at the top of his class. In 1820, political tensions forced his father to relocate the family to Lübeck, but Louis continued to excel, reaching the top of his class there as well. At the age of sixteen, Pfeiffer entered into university to study medicine, first at the University of Göttingen, and finally at the University of Marburg, where he studied under such prominent scientists as Georg Wilhelm Franz Wenderoth and :de:Ernst Daniel August Bartels, Ernst Daniel August Bartels, graduating ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Helicidae
Helicidae is a large, diverse family of small to large, air-breathing land snails, sometimes called the "typical snails." A number of species in this family are valued as food items, including ''Cornu aspersum'' (formerly ''Helix aspersa'') the brown or garden snail, and ''Helix pomatia'' the "escargot". The biologies of these two species in particular have been thoroughly studied and documented. Shell description The shells of these snails are mostly rather globular in shape. In some genera, such as ''Cepaea'', the shells are brightly colored and patterned. Anatomy The animal is capable of complete retraction within the shell. The tail is without a mucous gland or projection. Tryon G. W. 1887 ''Manual of conchology; structural and systematic. With illustrations of the species''. Second series: PulmonataVolume 3 Helicidae - Volume I. pag3€“4. The mouth is always provided with a jaw, which is striate, ribbed, sulcate or plicate, sometimes composed of several imbricating piece ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Endemic
Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsewhere. For example, the Cape sugarbird is found exclusively in southwestern South Africa and is therefore said to be ''endemic'' to that particular part of the world. An endemic species can be also be referred to as an ''endemism'' or in scientific literature as an ''endemite''. For example '' Cytisus aeolicus'' is an endemite of the Italian flora. '' Adzharia renschi'' was once believed to be an endemite of the Caucasus, but it was later discovered to be a non-indigenous species from South America belonging to a different genus. The extreme opposite of an endemic species is one with a cosmopolitan distribution, having a global or widespread range. A rare alternative term for a species that is endemic is "precinctive", which applies to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Savage Islands
The Savage Islands or Selvagens Islands ( pt, Ilhas Selvagens ; also known as the Salvage Islands) are a small Portuguese archipelago in the North Atlantic Ocean, south of Madeira, and north of the Canary Islands."Ilhas Selvagens (Selvagens Islands)" UNESCO World HeritageSitesLuÃs Carvalho, ''Nuno Leitão'' (2005) The archipelago includes two major islands, Selvagem Grande and , each surrounded by a cluster of islets and reefs, with the total area of . The archipelago is administered as part of the Portuguese mun ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Portugal
Portugal, officially the Portuguese Republic ( pt, República Portuguesa, links=yes ), is a country whose mainland is located on the Iberian Peninsula of Southwestern Europe, and whose territory also includes the Atlantic archipelagos of the Azores and Madeira. It features the westernmost point in continental Europe, and its Iberian portion is bordered to the west and south by the Atlantic Ocean and to the north and east by Spain, the sole country to have a land border with Portugal. Its two archipelagos form two autonomous regions with their own regional governments. Lisbon is the capital and largest city by population. Portugal is the oldest continuously existing nation state on the Iberian Peninsula and one of the oldest in Europe, its territory having been continuously settled, invaded and fought over since prehistoric times. It was inhabited by pre-Celtic and Celtic peoples who had contact with Phoenicians and Ancient Greek traders, it was ruled by the Ro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Selvagem Grande
Selvagem Grande Island is part of the Savage Islands archipelago, which themselves are part of the Portuguese Autonomous Region of Madeira in the North Atlantic Ocean. The island () belongs to the northeast group of the Savage Islands, which comprises in addition three islets: Sinho Islet, Palheiro de Terra and Palheiro do Mar. It is generally flat, but has three summits, remnants of former volcanic cones appropriately named Atalaia, Tornozelos and Inferno, Atalaia being the highest of the three, reaching in altitude. The island has three residents year-round, two park rangers and a biologist A biologist is a scientist who conducts research in biology. Biologists are interested in studying life on Earth, whether it is an individual Cell (biology), cell, a multicellular organism, or a Community (ecology), community of Biological inter .... The island has a lighthouse, which is automated. [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Selvagem Pequena
Selvagem Pequena Island () is an island in the southeast group of the Savage Islands, Madeira, Portugal. It is the southernmost major island of Portugal (excluding islets). Its fauna and flora are well-preserved due to lack of human interference. In the 1890 book ''The Cruise of the Alerte In 1889, Edward Frederick Knight sailed to Trindade in a 64-foot yawl named the ''Alerte''. He wrote the book ''The Cruise of the Alerte'' about his journey with detailed descriptions of Trindade. Arthur Ransome used the descriptions from Kn ...'', the island was called the 'Great Piton'. It has an active lighthouse. [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fora Islet
Fora Islet (Portuguese: ("outer islet")) is an uninhabited Portuguese island in the Atlantic Ocean, forming part of the Savage Islands, a dependant archipelago of the autonomous region of Madeira. It lies about 300 kilometres from Madeira and 160 kilometres north of the Canary Islands. The islet () has an area of 8 hectares and a maximum altitude of 18 metres. The island is part of a nature reserve and is home to a variety of petrels, Cory's shearwater being one of the dominant species. The climate is dry and there is very little soil. In 19th-century English literature, the island was called the 'Little Piton'.Burton, Richard F., ''To the Gold Coast for Gold'', 1883, See also *List of islands of Portugal This is a list of Islands of Portugal, including islets (Portuguese: ilhéu or ilhote). The islands (Portuguese: Ilha) are listed by region.Coordinates come from articles or GeoNames, unless otherwise specified. Continental Portugal Algarve Re ... References {{Port ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Oryctolagus Cuniculus
The European rabbit (''Oryctolagus cuniculus'') or coney is a species of rabbit native to the Iberian Peninsula (including Spain, Portugal, and southwestern France), western France, and the northern Atlas Mountains in northwest Africa. It has been widely introduced elsewhere, often with devastating effects on local biodiversity. Its decline in its native range due to myxomatosis, rabbit calicivirus, overhunting and habitat loss has caused the decline of the Iberian lynx (''Lynx pardinus'') and Spanish imperial eagle (''Aquila adalberti''). It is known as an invasive species because it has been introduced to countries on all continents with the exception of Antarctica, and has caused many problems within the environment and ecosystems; in particular, European rabbits in Australia have had a devastating impact, due in part to the lack of natural predators there. The European rabbit is well known for digging networks of burrows, called warrens, where it spends most of its time whe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mus Musculus
Mus or MUS may refer to: Abbreviations * MUS, the NATO country code for Mauritius * MUS, the IATA airport code for Minami Torishima Airport * MUS, abbreviation for the Centre for Modern Urban Studies on Campus The Hague, Leiden University, Netherlands * MUS, abbreviation for Medically unexplained physical symptoms * MUS, abbreviation for the Memphis University School * MUS, abbreviation for the Movimiento Unión Soberanista * MUS, abbreviation for Multiple-use water supply system, a low-cost, equitable water supply systems * Mus, abbreviation for Musca, a southern constellation * mus, ISO-639 code for the Muscogee language * Mus., abbreviation used in music degrees such as B.Mus. and M.Mus. * MUs, or million units of energy, used in India for a gigawatt hour People * Anders Mus (fl. 1501–1535), Danish civil servant in Norway * Conny Mus (1950–2010), Dutch journalist, best known as a correspondent for ''RTL Nieuws'' in Israel and the Middle East * Gus Mus (born 1944), I ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nicotiana Glauca
''Nicotiana glauca'' is a species of flowering plant in the tobacco genus Nicotiana of the nightshade family Solanaceae. It is known by the common name tree tobacco. Its leaves are attached to the stalk by Petiole (botany), petioles (many other ''Nicotiana'' species have sessile leaves), and its leaves and stems are neither wikt:pubescent, pubescent nor sticky like ''Nicotiana tabacum''. It resembles ''Cestrum parqui'' but differs in the form of leaves and fusion of the outer floral parts. It grows to heights of more than two meters. Tree tobacco is native to South America but it is now widespread as an introduced species on other continents. It is a common roadside weed in the southwestern United States, and an Invasive species, invasive plant species in California California native plants, native plant habitats. Description ''Nicotiana glauca'' is a small tree or shrub with many branches that normally grows to over 2 m, but can reach as high as 7 m. Its leaves are thick and rub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Extreme Weather
Extreme weather or extreme climate events includes unexpected, unusual, severe, or unseasonal weather; weather at the extremes of the historical distribution—the range that has been seen in the past. Often, extreme events are based on a location's recorded weather history and defined as lying in the most unusual ten percent. The main types of extreme weather include heat waves, cold waves and tropical cyclones. The effects of extreme weather events are seen in rising economic costs, loss of human lives, droughts, floods, landslides and changes in ecosystems. There is evidence to suggest that climate change is increasing the periodicity and intensity of some extreme weather events. Confidence in the attribution of extreme weather and other events to anthropogenic climate change is highest in changes in frequency or magnitude of extreme heat and cold events with some confidence in increases in heavy precipitation and increases in the intensity of droughts. Current evidence and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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