Deforestation canada essay

Soil Erosion

They think that plants are being greatly over-cut and we will not have any air remaining to take in, all the creatures will die, and large break down problems will adhere to. The article focuses on the habitat loss due to deforestation. The author talks about the different purpose of deforestation such as agriculture, forestry, or water projects that endangers the species that live in the area.

The information that the author provides is important and useful to the topic of deforestation. Overall, the article is well written and well researched. Deforestation is mainly caused by both agriculture and logging.

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This affects the environment in the amazon rain forest as well as the indigenous people, who are victimized in several ways by the people who take their land. Agriculture is one of the leading causes for deforestation, unlike the belief that logging is the main cause. Farmers clear the land by setting fire to it when the rain forest is dry enough to burn.

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  • Not only does burning the trees greatly increase the deforestation. What once was a green Earth is now becoming a desolate land mold that is losing one of its main attributes: forests. Centuries ago, Earth was covered in forests. They had grown accustomed to the full lush trees. However, as time has passed the ecosystem has changed. Instead, the once breathtaking forests are now sights to avert from. The roadsides used to be lined with green forests, but as deforestation has taken its impact, the roadsides now have become barren and lacked the greenery.

    As a result, the presence or absence of trees can change the quantity of water on the surface, in the soil or groundwater, or in the atmosphere. This in turn changes erosion rates and the availability of water for either ecosystem functions or human services. Deforestation on lowland plains moves cloud formation and rainfall to higher elevations. The forest may have little impact on flooding in the case of large rainfall events, which overwhelm the storage capacity of forest soil if the soils are at or close to saturation.

    Deforestation - Wikipedia

    Deforestation disrupts normal weather patterns creating hotter and drier weather thus increasing drought, desertification, crop failures, melting of the polar ice caps, coastal flooding and displacement of major vegetation regimes. Due to surface plant litter , forests that are undisturbed have a minimal rate of erosion. The rate of erosion occurs from deforestation, because it decreases the amount of litter cover, which provides protection from surface runoff.

    Forestry operations themselves also increase erosion through the development of forest roads and the use of mechanized equipment. Deforestation in China's Loess Plateau many years ago has led to soil erosion; this erosion has led to valleys opening up. The increase of soil in the runoff causes the Yellow River to flood and makes it yellow colored. Greater erosion is not always a consequence of deforestation, as observed in the southwestern regions of the US.

    In these areas, the loss of grass due to the presence of trees and other shrubbery leads to more erosion than when trees are removed. Soils are reinforced by the presence of trees, which secure the soil by binding their roots to soil bedrock. Due to deforestation, the removal of trees causes sloped lands to be more susceptible to landslides. Deforestation on a human scale results in decline in biodiversity , [63] and on a natural global scale is known to cause the extinction of many species.

    It has been estimated that we are losing plant, animal and insect species every single day due to rainforest deforestation, which equates to 50, species a year. Scientific understanding of the process of extinction is insufficient to accurately make predictions about the impact of deforestation on biodiversity.

    Climate 101: Deforestation - National Geographic

    A recent study of the Brazilian Amazon predicts that despite a lack of extinctions thus far, up to 90 percent of predicted extinctions will finally occur in the next 40 years. Today, developed countries continue to utilize timber for building houses, and wood pulp for paper. In developing countries, almost three billion people rely on wood for heating and cooking. The forest products industry is a large part of the economy in both developed and developing countries. Short-term economic gains made by conversion of forest to agriculture, or over-exploitation of wood products, typically leads to a loss of long-term income and long-term biological productivity.

    West Africa , Madagascar , Southeast Asia and many other regions have experienced lower revenue because of declining timber harvests. Illegal logging causes billions of dollars of losses to national economies annually. The new procedures to get amounts of wood are causing more harm to the economy and overpower the amount of money spent by people employed in logging. Rapidly growing economies also have an effect on deforestation. Most pressure will come from the world's developing countries, which have the fastest-growing populations and most rapid economic industrial growth.

    Connecting all of the new expansions will be roads, a very important part in our daily life. Rural roads promote economic development but also facilitate deforestation. The European Union is one of the largest importer of products made from illegal deforestation. The forest area change may follow a pattern suggested by the forest transition FT theory, [91] whereby at early stages in its development a country is characterized by high forest cover and low deforestation rates HFLD countries.

    Then deforestation rates accelerate HFHD, high forest cover — high deforestation rate , and forest cover is reduced LFHD, low forest cover — high deforestation rate , before the deforestation rate slows LFLD, low forest cover — low deforestation rate , after which forest cover stabilizes and eventually starts recovering. FT is not a "law of nature", and the pattern is influenced by national context for example, human population density, stage of development, structure of the economy , global economic forces, and government policies.

    Deforestation in Canada: Key myths and facts

    Countries with high forest cover can be expected to be at early stages of the FT. GDP per capita captures the stage in a country's economic development, which is linked to the pattern of natural resource use, including forests.

    Popular Essays

    The Carboniferous Rainforest Collapse [8] was an event that occurred million years ago. Climate change devastated tropical rainforests causing the extinction of many plant and animal species. The change was abrupt, specifically, at this time climate became cooler and drier, conditions that are not favorable to the growth of rainforests and much of the biodiversity within them.

    Rainforests were fragmented forming shrinking 'islands' further and further apart. Populations such as the sub class Lissamphibia were devastated, whereas Reptilia survived the collapse. The surviving organisms were better adapted to the drier environment left behind and served as legacies in succession after the collapse. In Europe there is little solid evidence before BC.

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    Mesolithic foragers used fire to create openings for red deer and wild boar. In Great Britain, shade-tolerant species such as oak and ash are replaced in the pollen record by hazels , brambles, grasses and nettles. Removal of the forests led to decreased transpiration , resulting in the formation of upland peat bogs. Widespread decrease in elm pollen across Europe between — BC and — BC, starting in southern Europe and gradually moving north to Great Britain, may represent land clearing by fire at the onset of Neolithic agriculture.

    The Neolithic period saw extensive deforestation for farming land. They include the noted Langdale axe industry in the English Lake District , quarries developed at Penmaenmawr in North Wales and numerous other locations. Rough-outs were made locally near the quarries, and some were polished locally to give a fine finish. This step not only increased the mechanical strength of the axe, but also made penetration of wood easier.

    Flint was still used from sources such as Grimes Graves but from many other mines across Europe. Evidence of deforestation has been found in Minoan Crete ; for example the environs of the Palace of Knossos were severely deforested in the Bronze Age. Throughout prehistory, humans were hunter gatherers who hunted within forests. In most areas, such as the Amazon , the tropics, Central America, and the Caribbean, [] only after shortages of wood and other forest products occur are policies implemented to ensure forest resources are used in a sustainable manner.

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