Land degradation From Wikipedia‚ the free encyclopedia Serious land degradation in Nauru after the depletion of the phosphate cover through mining Land degradation is a concept in which the value of the biophysical environment is affected by one or more combination of human-induced processes acting upon the land.[1] It is viewed as any change or disturbance to the land perceived to be deleterious or undesirable.[2] Natural hazards are excluded as a cause‚ however human activities can indirectly
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Keystone species are species of animals that other species and the entire ecosystem depend on. Sea otters and elephants both play major roles in their ecosystems‚ as they are both keystone species. Without these two species‚ their ecosystems would have drastic changes in the environment in which many organisms and species would not be able to survive. If the sea otters and elephants were to leave the ecosystem it would cause a domino effect. The domino effect would make other species disappear
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annual extremes of temperature occur soon after the solstices. (http://www.answers.com/ ) Flora-The plants of a particular region‚ habitat‚ or geological period: "the desert flora give way to oak woodlands".( google.com) Fauna-The animals of a particular region‚ habitat‚ or geological period.( google.com) Biome- A large naturally occurring of a flora and a fauna occupying a major habitat. (google.com) Windward-the side facing the wind
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The Chihuahuan desert is large area of the northern Mexico and runs into the southern part of the United Stated which include west Texas. The region of the desert has a high altitude of 1000 to 1500 meters which fall to about 350 meters along the Rio Grande River. Summers are very hot and the winter are somewhat cool‚ which some night frosts. Rainfall in this area is about 20-30 cm which mostly happens during the summer time. In most of the Chihuahuan Desert most of it has calcareous soil that
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the tropical rainforest is truly the world’s most diverse biome in both structure and species diversity. The Tropical rainforest is characterized by a dense growth of trees and by the continuously canopy that is formed by the broad- leaved Evergreen trees. There is also large amounts of precipitation annually and there is no dry season‚ which is a major factor for the organisms in the biome. A Tropical rainforest is defined as a woodland. It has many kinds of trees than any other area in the
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and pine. In many areas‚ forests have been cleared to make way for cultivation. Hardwood evergreen trees which are widely spaced and are found in the Mediterranean region are olive‚ cork‚ oak and stone pine. Temperate Forests The temperate forest biome is found in regions where winters are cold and summers are warm. Regions with this climate are common in the mid-latitudes‚ far from both the equator and the poles. Tropical rainforests are in regions that are consistently warm all year long‚ close
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The organism under examination in this study is known by its common name as Townsend’s big-eared bat‚ or by its scientific name as Corynorhinus townsendii. The organism was first described by Cooper in 1837. One interesting note about the taxonomic history of the organism is that even with current studies‚ its relation to other genera within the tribe Plecotini is still indeterminate. The result of this uncertainty is myriad combinations of potential synonymization of closely related genera within
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The only feline to hold the honor of “critically endangered with extinction” is the Iberian Lynx‚ also known by its specific name‚ Lynx Pardinus. ("The Murry Foundation”) The Iberian Lynx lives in the Mediterranean woodland biome throughout Spain and Portugal. Its territories are around twenty square kilometers and they mark their boundaries with a scent. ("Lynx Pardinus") The Iberian Lynx is significantly smaller than the Eurasian Lynx with an average height of forty to fifty-one centimeters and
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ecosystems in the British Isles. With a temperate climate in the Northern Hemisphere‚ the British Isles bears a variety of trees and successions of plants‚ including deciduous trees. The main ecosystem of the country is made up from forest and lake biomes alongside heathlands and moorlands such as heather moorland. The changes to the vegetation over time can be affected by both physical and human factors which in some cases occur together or in causation of one another. Physical changes include; changes
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The Savanna A savanna is a rolling grassland scattered with shrubs and isolated trees. It can be found between a tropical rainforest and desert biome. Not enough rain falls on a savanna to support forests. Savannas are known as tropical grasslands. They are found in a wide band on either side of the equator on the edges of tropical rainforests. They are located in Africa‚ South America‚ India‚ and Australia .Some animals that habitat here are wildebeest warthog elephants zebras and rhinos
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