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Wilderness Act
The Wilderness Act of 1964 () is a federal land management statute meant to protect U.S. Wilderness Area, federal wilderness and to create a formal mechanism for designating wilderness. It was written by Howard Zahniser of The Wilderness Society (United States), The Wilderness Society. After over sixty drafts and eight years of work, President Lyndon B. Johnson signed the Wilderness Act into law on September 3, 1964, creating the legal definition of wilderness in the United States and protecting 9.1 million acres (37,000 km²) of federal land. The Wilderness Act is well known for its succinct and poetic definition of wilderness: "A wilderness, in contrast with those areas where man and his own works dominate the landscape, is hereby recognized as an area where the earth and its community of life are untrammeled by man, where man himself is a visitor who does not remain." – Howard Zahniser When Congress passed and President Lyndon B. Johnson signed the Wilderness Act on Sept ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Conservation
Conservation is the preservation or efficient use of resources, or the conservation of various quantities under physical laws. Conservation may also refer to: Environment and natural resources * Nature conservation, the protection and management of the environment and natural resources **Wetland conservation, protecting and preserving areas where water exists at or near the Earth's surface, such as swamps, marshes and bogs. * Conservation biology, the science of protection and management of biodiversity * Conservation movement, political, environmental, or social movement that seeks to protect natural resources, including biodiversity and habitat * Conservation organization, an organization dedicated to protection and management of the environment or natural resources * Wildlife conservation, the practice of protecting wild species and their habitats in order to prevent species from going extinct * ''Conservation'' (magazine), published by the Society for Conservation Biolog ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dinosaur National Monument
Dinosaur National Monument is an American national monument located on the southeast flank of the Uinta Mountains on the border between Colorado and Utah at the confluence of the Green River (Colorado River tributary), Green and Yampa River, Yampa rivers. Although most of the monument area is in Moffat County, Colorado, the Dinosaur Quarry is located in Utah, north of the town of Jensen, Utah. The nearest Colorado town is Dinosaur, Colorado, Dinosaur while the nearest city is Vernal, Utah. Originally preserved in 1915 to protect its famous Dinosaur Quarry, the monument was greatly expanded in 1938 to include its wealth of natural history. The park's wild landscapes, topography, geology, paleontology, and history make it a unique resource for both science and recreation. The park contains over 800 paleontological sites and has fossils of dinosaurs including ''Allosaurus'', ''Deinonychus'', ''Abydosaurus'', and various Sauropoda, sauropods. The ''Abydosaurus'' consists of a nearl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Endangered Species
An endangered species is a species that is very likely to become extinct in the near future, either worldwide or in a particular political jurisdiction. Endangered species may be at risk due to factors such as habitat loss, poaching, invasive species, and climate change. The International Union for Conservation of Nature (IUCN) Red List lists the global conservation status of many species, and various other agencies assess the status of species within particular areas. Many nations have laws that protect conservation-reliant species which, for example, forbid hunting, restrict land development, or create protected areas. Some endangered species are the target of extensive conservation efforts such as captive breeding and habitat restoration. Human activity is a significant cause in causing some species to become endangered. Conservation status The conservation status of a species indicates the likelihood that it will become extinct. Multiple factors are ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Habitat (ecology)
In ecology, habitat refers to the array of resources, biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species' habitat can be seen as the physical manifestation of its ecological niche. Thus "habitat" is a species-specific term, fundamentally different from concepts such as environment or vegetation assemblages, for which the term "habitat-type" is more appropriate. The physical factors may include (for example): soil, moisture, range of temperature, and light intensity. Biotic factors include the availability of food and the presence or absence of predators. Every species has particular habitat requirements, habitat generalist species are able to thrive in a wide array of environmental conditions while habitat specialist species require a very limited set of factors to survive. The habitat of a species is not necessarily found in a geographical area, it can be the interior of a stem, a rotten log, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Drainage Basin
A drainage basin is an area of land in which all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, the drainage divide, made up of a succession of elevated features, such as ridges and hills. A basin may consist of smaller basins that merge at river confluences, forming a hierarchical pattern. Other terms for a drainage basin are catchment area, catchment basin, drainage area, river basin, water basin, and impluvium. In North America, they are commonly called a watershed, though in other English-speaking places, " watershed" is used only in its original sense, that of the drainage divide line. A drainage basin's boundaries are determined by watershed delineation, a common task in environmental engineering and science. In a closed drainage basin, or endorheic basin, rather than flowing to the ocean, water converges toward the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ecosystem
An ecosystem (or ecological system) is a system formed by Organism, organisms in interaction with their Biophysical environment, environment. The Biotic material, biotic and abiotic components are linked together through nutrient cycles and energy flows. Ecosystems are controlled by external and internal Environmental factor, factors. External factors—including climate—control the ecosystem's structure, but are not influenced by it. By contrast, internal factors control and are controlled by ecosystem processes; these include decomposition, the types of species present, root competition, shading, disturbance, and succession. While external factors generally determine which Resource (biology), resource inputs an ecosystem has, their availability within the ecosystem is controlled by internal factors. Ecosystems are wikt:dynamic, dynamic, subject to periodic disturbances and always in the process of recovering from past disturbances. The tendency of an ecosystem to remain clo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wildlife Refuge
A nature reserve (also known as a wildlife refuge, wildlife sanctuary, biosphere reserve or bioreserve, natural or nature preserve, or nature conservation area) is a protected area of importance for flora, fauna, funga, or features of geological or other special interest, which is reserved and managed for purposes of conservation and to provide special opportunities for study or research. They may be designated by government institutions in some countries, or by private landowners, such as charities and research institutions. Nature reserves fall into different IUCN categories depending on the level of protection afforded by local laws. Normally it is more strictly protected than a nature park. Various jurisdictions may use other terminology, such as ecological protection area or private protected area in legislation and in official titles of the reserves. History Cultural practices that roughly equate to the establishment and maintenance of reserved areas for animals d ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United States National Forest
In the United States, national forest is a classification of protected and managed federal lands that are largely forest and woodland areas. They are owned collectively by the American people through the federal government and managed by the United States Forest Service, a division of the United States Department of Agriculture. The U.S. Forest Service is also a forestry research organization that provides financial assistance to the state and local forestry industry. There are 154 national forests in the United States. History The Land Revision Act of 1891, enacted during the presidency of Benjamin Harrison, allowed the president to set aside forest reserves on public lands. Harrison established 15 forest reserves containing more than 13 million acres of land. The bill was the result of concerted action by Los Angeles-area businessmen and property owners who were concerned by the harm being done to the watershed of the San Gabriel Mountains by ranchers and miners. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Public Land
In all modern states, a portion of land is held by central or local governments. This is called public land, state land, or Crown land (Commonwealth realms). The system of tenure of public land, and the terminology used, varies between countries. The following examples illustrate some of the range. Commonwealth realms In several Commonwealth realms such as Australia, New Zealand and Canada, public lands are referred to as Crown lands. Recent proposals to sell Crown lands have been highly controversial. France In France, () may be held by communes, '' départements'', or the central State. Portugal In Portugal the land owned by the State, by the two autonomous regions (Azores and Madeira) and by the local governments (municipalities ( Portuguese: ''municípios'') and ''freguesias'') can be of two types: public domain ( Portuguese: ''domínio público'') and private domain ( Portuguese: ''domínio privado''). The latter is owned like any private entity (and may be sold), while ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Assassination Of John F
Assassination is the willful killing, by a sudden, secret, or planned attack, of a personespecially if prominent or important. It may be prompted by political, ideological, religious, financial, or military motives. Assassinations are ordered by both individuals and organizations, and are carried out by their accomplices. Acts of assassination have been performed since ancient times. A person who carries out an assassination is called an assassin. Etymology ''Assassin'' comes from the Italian and French Assissini, believed to derive from the word '' hashshashin'' (), and shares its etymological roots with '' hashish'' ( or ; from ').''The Assassins: a radical sect in Islam'' – Bernard Lewis, pp. 11–12 It referred to a group of Nizari Ismailis known as the Order of Assassins who worked against various political targets. Founded by Hassan-i Sabbah, the Assassins were active in the Near East from the 11th to the 13th centuries. The group killed members of the Ab ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
88th United States Congress
The 88th United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, D.C., from January 3, 1963, to January 3, 1965, during the final months of the Presidency of John F. Kennedy, presidency of John F. Kennedy, and the first years of the Presidency of Lyndon B. Johnson, presidency of his successor, Lyndon B. Johnson. The apportionment of seats in this United States House of Representatives, House of Representatives was based on the 1960 United States census, and the number of members was again 435 (it had temporarily been 437 in order to seat one member each from recently admitted states of Alaska and Hawaii). Both chambers maintained a Democratic Party (United States), Democratic majority - including a filibuster-proof supermajority in the Senate - and with President Kennedy, the Democrats maintained an overall federal government ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
