Around the globe, animals and their habitats are being threatened. Most often, the danger comes as a result of human behaviour. Pollution, global warming, deforestation and fishing practices all play a part in endangering the world’s wildlife. In a mission to show viewers how they can help the conservation cause, Animal Planet , the global conservation organization, present SAVE ANIMALS PLANET.
There are many reasons why a particular species may become endangered. Although these factors can be analyzed and grouped, there are many causes that appear repeatedly. Below are several factors leading to endangerment:
Disease, pollution, and limited distribution are more factors that threaten various plant and animal species. If a species does not have the natural genetic protection against particular pathogens, an introduced disease can have severe effects on that specie. For example, rabies and canine distemper viruses are presently destroying carnivore populations in East Africa. Domestic animals often transmit the diseases that affect wild populations, demonstrating again how human activities lie at the root of most causes of endangerment. Pollution has seriously affected multiple terrestrial and aquatic species, and limited distributions are frequently a consequence of other threats; populations confined to few small areas due to of habitat loss, for example, may be disastrously affected by random factors.
Many factors contribute to the loss of species, including:
*the impact of introduced ("alien") species,
*pollution,
*disease, and excess hunting and other forms of *harvesting that exploit species at a rate that exceeds their reproductive potential.
But the single largest and expanding threat is habitat destruction caused by human actions. No species can continue to exist when its ecosystem—its very home—is destroyed. The occupied habitat of an endangered species is usually found to be reduced to a fragment of its former area and is often of marginal quality at best.
Finally, it should be noted that in January 2004, a major research paper in the journal Nature identified global climate change as a major contributing factor to species decline, perhaps equal to or greater than habitat destruction.
The best known groups of organisms are birds and mammals. Since the year 1600, a total of 83 mammals species (2.1%) and 113 birds (1.3%) are known to have become extinct. This number is expected to rise rapidly as the breeding populations of many species continue to decline
But even before the advent of modern technology, humanity took a heavy toll on creation. Approximately 70% of the known bird species have become extinct in the Hawaiian Islands since humans first arrived. Indeed, large-scale extinctions of Pacific island birds apparently was widespread. Recent evidence points to a loss from these islands in excess of 2,000 species following human habitation—a 20% reduction in the world's bird species.
there would be a loss of at least 20% of all species, assuming extinction rates remain constant
Based on a total of 10 million species, the current annual loss has been calculated to be 20,000 to 30,000 species.
Some studies indicate that the rate of species loss may be somewhat less, but there is no question that unless the escalating rate of habitat destruction is reversed, the extinction toll will continue to rise. And if recent evidence from studies on global climate change proves to be true, atmospheric modification may become the major threat to species in the future.
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On ne se retrouve jamais à la rue par hasard. Il y a toujours une très longue histoire avant, qui remonte parfois jusqu’à l’enfance. Pour raccourcir exagérément, disons qu’un jour la pression sur tes épaules atteint le point de rupture. Et tu te casses. Ce jour-là, ce qui subsiste de ton entourage, inquiet ou soulagé de ne plus te voir, se demande ce que tu peux bien devenir. Toi, tu marches. Sans but. Libre. Immensément libre. Le poids qui t’écrasait a disparu d’un seul coup. Ca bouillonne dans ta tête. Tu sais que tu ne reviendras pas en arrière. Chaque pas t’éloigne de ton passé, tu abandonnes de pleins cartons de souvenirs à chaque coin de rue. Tu n’as aucune idée de ce que tu vas devenir et cela te fait rire.
Pendant quelques heures. Parce qu’ensuite c’est de moins en moins drôle. L’état de grâce tiendra le temps que tu dépenses l’argent dont tu disposes encore, quelques jours dans le meilleur des cas.
Puis très vite c’est le retour de bâton, d’autant plus violent qu’il aura été retardé.
Un pro de la chose (l’abbé Pierre) prétend qu’il suffit de trois jours pour devenir SDF convaincant. Quel que soit ton point de départ : cadre sup overbooké, smicard surexploité ou chômeur avéré, marié/deux enfants ou célibataire notoire. Trois jours seulement pour faire de toi un honnête SDF. Pourquoi hésiter plus longtemps ?
Trois jours sans manger autre chose que des sandwichs
Trois jours à craindre le sommeil et à t’éveiller la peur au ventre au moindre bruit.
Trois jours pour découvrir que les petits matins sont frais, même en plein été.
Trois jours sans te laver ni changer de linge.
Trois jours à marcher pendant des heures.
Trois jours à subir ton incapacité à aligner deux idées cohérentes
Trois jours pour que les autres détournent le regard en te croisant.
Trois jours pour que toute ton éducation vole en éclat.
Trois jours pour briser ton appartenance au genre humain.
Trois jours. Et tu découvres que t’en as rien à foutre de puer le fauve, de pisser dans les encoignures de portes, de chier entre deux bagnoles en stationnement. Aveugle et sourd à tout ce qui t’entoure, alors les bonnes manières, hein, c’est pas l’jour...
Avec une obsession : manger et dormir. Manger et dormir. Manger, dormir. Manger dormir. Moins que les préoccupations probables d’un chien ou d’un chat.
Tu ne peux que constater la disparition brutale de tout ce qui faisait de toi un homme. Et tu ne peux t’en apercevoir que les premiers jours car ça va vite. Très vite. Après, c’est trop tard, les comportements de survie auront pris le dessus.
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MURDERED CHILDREN
SIDA
LEUKEMIA
9/11
HEPATITIS C
CANCER