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The Disappearing Rainforests We are losing Earth's greatest biological treasures just as we are beginning to appreciate their true value. Rainforests once covered 14% of the earth's land surface; now they cover a mere 6% and experts estimate that the last remaining rainforests could be consumed in less than 40 years. One and one-half acres of rainforest are lost every second with tragic consequences for both developing and industrial countries.
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E very person that works in the Rain Forest, especially if not native from the area, is subject to a series of circumstances, which can sometimes even lead to his death. These circumstances may be a result of getting lost in the Rain Forest when opening trails or simply by entering the Rain Forest, since it is much easier to enter the Rain Forest than finding your way out of there. The first recommendation that should be given to any worker when starting to work in a Rain Forest area should be that he should not enter the Rain Forest without a real reason, because he is exposing himself to what is a difficult experience, even for locals from the area.
Surviving in temperatures below -40 degrees Celsius depends on more than just staying warm. The physical properties of many substances change in low temperatures, and it is essential to prepare for these occurrences. Butane and propane, for example, cannot be used for cooking as they will remain in a liquid state. Plastic becomes brittle, grease becomes thick, friction of rubber diminishes, condensation in clothing dramatically increases, and potable water becomes scarce.
Despite the fact the Amazon rainforest is progressively dwindling due to deforestation, it is still vast and people find themselves needing to survive in it on a regular basis. So it is important to know how to survive in this type of seemingly impenetrable, endless jungle if you are unfortunate enough to find yourself stranded there for an extended period of time. While access to food and water are the first concerns, keeping yourself safe from wild animals and knowing what not to consume is also important. Water Considerations
Rainforests are forests characterized by high rainfall , with definitions based on a minimum normal annual rainfall of 1750–2000 mm (68-78 inches) [ citation needed ] . The monsoon trough , alternatively known as the intertropical convergence zone , plays a significant role in creating the climatic conditions necessary for the Earth 's tropical rainforests. Around 40% to 75% of all biotic species are indigenous to the rainforests. [ 1 ] It has been estimated that there may be many millions of species of plants, insects and microorganisms still undiscovered in tropical rainforests.