Deforestation is the demolition of the world’s forests on a massive scale‚ usually resulting in harm to the quality of the surrounding area. There are many types of deforestation‚ counting forest fires‚ clear-cutting for farming and oil extraction‚ development‚ logging‚ and degradation as temperatures rise due to the changing climate. Woodlands cover around 30% of the land coverage on Earth; however‚ we are losing enormous pieces of it daily. Not all of the deforestation is deliberate‚ yet there
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ARTICLE IN PRESS Habitat International 31 (2007) 291–302 www.elsevier.com/locate/habitatint Sustainable urban development? Low-cost housing challenges in South Africa Allison Goebelà Environmental Studies and Women’s Studies‚ Queen’s University‚ Kingston‚ Ont.‚ Canada K7L 3N6 Abstract Low-cost housing provision has been a major focus of government in post-apartheid urban South Africa. While successes can be noted‚ there is growing concern regarding the social and environmental sustainability of
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of natural medicines have been discovered within them. -many millions of species of plants‚ insects and microorganisms still undiscovered in tropical rainforests. -most threatened ecosystems globally due to large-scale fragmentation due to human activity. -Habitat fragmentation caused by geological processes such as volcanism and climate change occurred in the past‚ and have been identified as important drivers of speciation -Tropical rain forests have been subjected to heavy logging and agricultural
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three harmful characteristics of agricultural expansion: habitat alteration‚ pollution‚ and simplification‚ which all significantly work to deteriorate the biodiversity found across the world. Agricultural techniques of expansion have implicitly created an undesirable loss for society‚ slowly yet surely eliminating the one advantage the Earth has maintained for centuries- its diversity. The alteration or complete destruction of natural habitats has become an increasingly necessary way of creating accessible
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RHINOCEROS POACHING Poaching Despite of the protective measure‚ prosecution of this animal continues with the exceptionally high and illegal price on the rhino horn in clandestine market. In Kaziranga National Park‚ 69 rhinos were poached during the period of 1988 to 1991 (Bhattacharya 1993). In Nepal‚ data shows that intensity of rhino poaching is depend on the action taken by the management authority. During 1976 to 1983 poaching was completely stopped due to the Army involvement in the conservation
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on land due to development have taken an increasingly heavy toll on the country wilderness. One of the major threats facing wildlife is the destruction of its habitat through human development activities: agriculture‚ urban settlements‚ roads‚ dams and mines‚ have all contributed to the loss of habitat. Another problem is the fragmentation of the ecosystem into parcels too small for wildlife to use. In recent years illegal trade in ivory‚ horns‚ hides‚ feathers and organs has brought many species
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Wildlife Conservation Wildlife conservation is the most important things in the world. And people have made a lot of progress in this field. In wildlife conservation‚ people try their best to protect endangered plants and animals‚ as well as their habitats. The purpose is to make sure that future generations will have enough space to survive and develop well. Countries all over the world have different agencies for wildlife conservation and plenty of nonprofit organizations also take part in the process
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restoration of the natural habitat through the reintroduction of native vegetation to cleared land is already having positive affects on the level of biodiversity. Other conservation efforts like maintaining stable populations of native species has also been equally successful. Outlawing poaching of native animals has also changed the decreasing population trends. Breeding endangered species in captivity then reintroducing them into the wild is reversing the tide of fragmentation. The impact of infrastructure
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a) Vital Signs a. Common name: Grizzly Bear b. Latin name: Ursus Arctos c. Status under SARA: Currently no status under SARA. The 2012 COSEWIC Assessment designated the species under Special Concern. d. Range: The Grizzly Bear can be found in all three Canadian territories‚ in addition to British Columbia‚ Alberta‚ northern Saskatchewan‚ northeast Manitoba and as well as a few places in the southwest Canadian Arctic Archipelago. Summed together‚ the total range has been estimated to cover approximately
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Endangered species are those considered to be at risk of extinction‚ meaning that there are so few left of their kind that they could disappear from the planet altogether. Endangered species are threatened by factors such as habitat loss‚ hunting‚ disease and climate change‚ and usually‚ endangered species‚ have a declining population or a very limited range. The current rate of extinction is thought to be far greater than the expected natural rate‚ with many species going extinct before they have
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