“The conifer forests of the North American west have been under a massive assault over the past decade by bark beetles: one species alone‚ the mountain pine beetle‚ has killed more than 70‚000 square miles’ worth of trees‚ equivalent to the area of Washington State” (Michael D. Lemonick). Just like other insects‚ bark beetles favor warmer environments. As the average temperature is getting warmer‚ the beetles are coming sooner in the year and more destroying trees than before. Normally‚ bark beetles
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Human beings have been clearing forest for many years in order to have land for farming and keeping livestock (nasa.gov). The need to feed the ever increasing population has in most cases necessitated clearing of forests to plant crops and produce food. However‚ this action has resulted in reduced forest cover especially tropical forests. Tropical forests are known to be home of various animal species. Therefore‚ when tropical forests cover decrease so will the population of animals that depend on
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Lemurs in Madagascar sci/275 Lemurs in Madagascar 1. What are Madagascar’s biomes? Discuss the major features of at least one of these biomes. Use the textbook for biome examples. Madagascar’s biomes are tropical forest and temperate rainforest. Madagascar has steady high temperatures year round. Madagascar has high mountain ecosystems. 2. What changes happening in Madagascar are posing challenges for lemurs? Give details about the sources‚ time scale‚ and types of change. People
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forests that have been affected is the Amazon Rainforest in South America. The main causes of deforestation in the Amazon are cattle ranching‚ subsistence and commercial agriculture‚ infrastructure‚ illegal and legal logging‚ and other minor factors such as fires‚ road construction‚ mining‚ and dams. Deforestation plays a negative toll on the world by killing millions of animals‚ plants‚ and insects each day and releasing greenhouse gases. Rainforests cover thirty percent of the world and each year
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Saving the Rainforest If someone or something was in danger‚ would you do anything to help? Well the world’s rainforest are currently disappearing at a rate of 6‚000 acres every hour which is equivalent to almost 3‚500 football fields. If you have been unaware‚ rainforests are well on their way to extinction. Rainforest once covered 14% of the earth’s surface; now they cover about 6% and experts say the remaining rainforests could be consumed in less than 40 years. Commercial logging is the
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cities and towns‚ there are still many indigenous groups living in the forest‚ some who have no contact with the ’outside’ world and live in a harmonic environment. Rainforests are the most diverse ecosystems on the planet‚ as well as being the home to an estimated 50 million indigenous forest people. These people depend on the rainforest for their way of life. It provides them nearly everything from shelter and food to tools and medicine. The people living in the forest make practical and sustainable
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Mandrill Bright red-and-blue facial markings identify this mandrill as a mature male. Mandrills are the world’s largest monkeys. Photograph by Tim Laman Map Mandrill Range Fast Facts Type: Mammal Diet: Omnivore Average life span in the wild: 20 years Size: 3 ft (90 cm) Weight: 77 lbs (35 kg) Group name: Troop Protection status: Threatened Size relative to a 6-ft (2-m) man: Mandrills are the largest of all monkeys. They are shy and reclusive primates that live only
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Henri Rousseau Henri Rousseau was born in Laval‚ France in 1844 into the family of a plumber. He attended Laval High School as a day student and then as a boarder‚ after his father became a debtor and his parents had to leave the town upon the seizure of their house. He was mediocre in some subjects at the high school but won prizes for drawing and music.[7] He worked for a lawyer and studied law‚ but "attempted a small perjury and sought refuge in the army‚"[8] serving for four years‚ starting
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VALUE OF TREES Trees are an integral part of our environment. Both man and the animals cannot survive without trees. We get food‚ medicine‚ wood and shelter from trees. Trees beautify the environment. We get the most needed rain because of the trees. Trees have a great influence upon climate. Trees preserve moisture. The leaves of a tree are always giving off moisture and this constant evaporation cools the surrounding atmosphere. Trees on hill sides stop the soil erosion and prevent destructive
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