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Environment Of Venezuela
Environmental issues in Venezuela include oil spills, illegal mining, deforestation, tourism, water shortages, pollution, poor waste management and hazards such as earthquakes, floods, rockslides, mudslides, and periodic droughts. Venezuela ranks among the world's most ecologically diverse countries. However, it has suffered great environmental degradation. It has the third-highest deforestation rate in South America The Guri Dam, one of the world's largest, flooded a massive forested area and is now being filled with silt deposited by runoff from deforested areas. Environmental issues include sewage pollution into Valencia Lake, oil and urban pollution of Maracaibo Lake, deforestation, soil degradation, and urban and industrial pollution, especially along the Caribbean coast. Current concerns also include irresponsible mining operations that endanger the rain-forest ecosystem and indigenous peoples. Successive governments have attempted to develop environmental regulations. Howe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of National Parks Of Venezuela
The national parks of Venezuela are protected areas in Venezuela covering a wide range of habitats. In 2007 there were 43 national parks, covering 21.76% of Venezuela's territory. Statistics Every States of Venezuela, Venezuela state has one or more national parks. * 5 national parks – Lara (state), Lara, Amazonas State, Venezuela, Amazonas * 4 national parks – Falcón State, Falcón, Mérida (state), Mérida, Miranda (state), Miranda, Portuguesa (state), Portuguesa, and Táchira State, Táchira. * 3 national parks – Apure state, Apure, Sucre (state), Sucre, and Trujillo (state), Trujillo. * 2 national parks – Barinas (state), Barinas, Bolívar State (Venezuela), Bolívar, Carabobo state, Carabobo, Distrito Capital, Guárico State, Guárico, Nueva Esparta State, Nueva Esparta, Yaracuy State, Yaracuy, and Zulia State, Zulia. * 1 national park – Anzoátegui State, Anzoátegui, Aragua State, Aragua, Cojedes (state), Cojedes, Delta Amacuro State, Delta Amacuro, Federal Depen ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alexander Von Humboldt
Friedrich Wilhelm Heinrich Alexander von Humboldt (14 September 1769 – 6 May 1859) was a German polymath, geographer, natural history, naturalist, List of explorers, explorer, and proponent of Romanticism, Romantic philosophy and Romanticism in science, science. He was the younger brother of the Prussian minister, philosopher, and linguistics, linguist Wilhelm von Humboldt (1767–1835). Humboldt's quantitative work on botany, botanical geography laid the foundation for the field of biogeography, while his advocacy of long-term systematic geophysical measurement pioneered modern Earth's magnetic field, geomagnetic and meteorology, meteorological monitoring. Humboldt and Carl Ritter are both regarded as the founders of modern geography as they established it as an independent scientific discipline. Between 1799 and 1804, Humboldt travelled extensively in the Americas, exploring and describing them for the first time from a non-Spanish European scientific point of view. His des ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Guarapiche River
Guarapiche River is a river of north-eastern Venezuela. It flows into the San Juan River. Course Its origin is in the canyon named Puertas de Miraflores in the Turimiquire Range. Together with it flows into a short body named Caño Francés whose mouth is in the San Juan River shortly before its mouth in the Gulf of Paria. In February 2012 there was an oil spill in the mangrove area at the mouth of the river. See also *List of rivers of Venezuela This is a list of rivers in Venezuela. By drainage basin This list is arranged by drainage basin, with respective tributaries indented under each larger stream's name. Atlantic Ocean Amazon Basin * ''Amazon River'' (Brazil) ** Rio Negro *** Ca ... References *Rand McNally, The New International Atlas, 1993. External links *Map of river basin Rivers of Venezuela Rivers of Monagas {{Venezuela-river-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
PDVSA
Petróleos de Venezuela, S.A. (acronym PDVSA, , English language, English: Petroleum of Venezuela) is the Venezuelan state-owned oil and natural gas company. It has activities in exploration, production, refining and exporting oil as well as exploration and production of natural gas. Since its founding on January 1, 1976, with the nationalization of the Venezuelan oil industry, PDVSA has dominated the oil industry of Venezuela, the world's fifth largest oil exporter. Oil reserves in Venezuela are the largest in the world and the state-owned PDVSA provides the government of Venezuela with substantial funding resources. Following the Bolivarian Revolution, PDVSA was mainly used as a vital source of income for the Venezuelan government. Profits were also used to assist the presidency, with funds directed towards allies of the Venezuelan government. With PDVSA focusing on political projects instead of oil production, mechanical and technical statuses deteriorated while employee exp ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pipeline
A pipeline is a system of Pipe (fluid conveyance), pipes for long-distance transportation of a liquid or gas, typically to a market area for consumption. The latest data from 2014 gives a total of slightly less than of pipeline in 120 countries around the world. The United States had 65%, Russia had 8%, and Canada had 3%, thus 76% of all pipeline were in these three countries. The main attribute to pollution from pipelines is caused by corrosion and leakage. ''Pipeline and Gas Journal''s worldwide survey figures indicate that of pipelines are planned and under construction. Of these, represent projects in the planning and design phase; reflect pipelines in various stages of construction. Liquids and gases are transported in pipelines, and any chemically stable substance can be sent through a pipeline. Pipelines exist for the transport of crude and refined petroleum, fuels—such as oil, natural gas and biofuels—and other fluids including sewage, slurry, water, beer, hot wa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Water Pollution
Water pollution (or aquatic pollution) is the contamination of Body of water, water bodies, with a negative impact on their uses. It is usually a result of human activities. Water bodies include lakes, rivers, oceans, aquifers, reservoirs and groundwater. Water pollution results when contaminants mix with these water bodies. Contaminants can come from one of four main sources. These are sewage discharges, industrial activities, agricultural activities, and urban runoff including stormwater. Water pollution may affect either surface water or groundwater pollution, groundwater. This form of pollution can lead to many problems. One is the environmental degradation, degradation of aquatic ecosystems. Another is spreading Waterborne diseases, water-borne diseases when people use polluted water for drinking or irrigation. Water pollution also reduces the ecosystem services such as drinking water provided by the Water resources, water resource. Sources of water pollution are either p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Oil Spills
An oil spill is the release of a liquid petroleum hydrocarbon into the environment, especially the marine ecosystem, due to human activity, and is a form of pollution. The term is usually given to marine oil spills, where oil is released into the ocean or coastal waters, but spills may also occur on land. Oil spills can result from the release of crude oil from tankers, offshore platforms, drilling rigs, and wells. They may also involve spills of refined petroleum products, such as gasoline and diesel fuel, as well as their by-products. Additionally, heavier fuels used by large ships, such as bunker fuel, or spills of any oily refuse or waste oil, contribute to such incidents. These spills can have severe environmental and economic consequences. Oil spills penetrate into the structure of the plumage of birds and the fur of mammals, reducing its insulating ability, and making them more vulnerable to temperature fluctuations and much less buoyant in the water. Cleanup and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mercury (element)
Mercury is a chemical element; it has Symbol (chemistry), symbol Hg and atomic number 80. It is commonly known as quicksilver. A Heavy metal element, heavy, silvery d-block element, mercury is the only metallic element that is known to be liquid at standard temperature and pressure; the only other element that is liquid under these conditions is the halogen bromine, though metals such as caesium, gallium, and rubidium melt just above room temperature. Mercury occurs in deposits throughout the world mostly as cinnabar (mercuric sulfide). The red pigment vermilion is obtained by Mill (grinding), grinding natural cinnabar or synthetic mercuric sulfide. Exposure to mercury and mercury-containing organic compounds is toxic to the nervous system, immune system and kidneys of humans and other animals; mercury poisoning can result from exposure to water-soluble forms of mercury (such as mercuric chloride or methylmercury) either directly or through mechanisms of biomagnification. Mercu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cadmium
Cadmium is a chemical element; it has chemical symbol, symbol Cd and atomic number 48. This soft, silvery-white metal is chemically similar to the two other stable metals in group 12 element, group 12, zinc and mercury (element), mercury. Like zinc, it demonstrates oxidation state +2 in most of its compounds, and like mercury, it has a lower melting point than the transition metals in group 3 element, groups 3 through group 11 element, 11. Cadmium and its Congener (chemistry), congeners in group 12 are often not considered transition metals, in that they do not have partly filled ''d'' or ''f'' electron shells in the elemental or common oxidation states. The average concentration of cadmium in Earth's crust is between 0.1 and 0.5 parts per million (ppm). It was discovered in 1817 simultaneously by Friedrich Stromeyer, Stromeyer and Karl Samuel Leberecht Hermann, Hermann, both in Germany, as an impurity in zinc carbonate. Cadmium occurs as a minor component in most zinc ores and i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Barite
Baryte, barite or barytes ( or ) is a mineral consisting of barium sulfate (Ba S O4). Baryte is generally white or colorless, and is the main source of the element barium. The ''baryte group'' consists of baryte, celestine (strontium sulfate), anglesite (lead sulfate), and anhydrite (calcium sulfate). Baryte and celestine form a solid solution . Names and history The radiating form, sometimes referred to as ''Bologna Stone'', attained some notoriety among alchemists for specimens found in the 17th century near Bologna by Vincenzo Casciarolo. These became phosphorescent upon being calcined. Carl Scheele determined that baryte contained a new element in 1774, but could not isolate barium, only barium oxide. Johan Gottlieb Gahn also isolated barium oxide two years later in similar studies. Barium was first isolated by electrolysis of molten barium salts in 1808 by Sir Humphry Davy in England. The American Petroleum Institute specification API 13/ISO 13500, which governs '' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Drilling Fluid
In geotechnical engineering, drilling fluid, also known as drilling mud, is used to aid the drilling of boreholes into the earth. Used while drilling oil and natural gas wells and on exploration drilling rigs, drilling fluids are also used for much simpler boreholes, such as water wells. The two main categories of drilling fluids are water-based muds (WBs), which can be dispersed and non-dispersed, and non-aqueous muds, usually called oil-based muds (OBs). Along with their formatives, these are used along with appropriate polymer and clay additives for drilling various oil and gas formations. Gaseous drilling fluids, typically utilizing air or natural gas, sometimes with the addition of foaming agents, can be used when downhole conditions permit. The main functions of liquid drilling fluids are to exert hydrostatic pressure to prevent formation fluids from entering into the well bore, and carrying out drill cuttings as well as suspending the drill cuttings while drill ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
