Deforestation is the process whereby natural forests are cleared through logging and/or burning‚ either to use the timber or to replace the area for alternative uses. 2.0 WHAT IS THE EXTENT OF DEFORESTATION? 12-15 million hectares of forest are lost each year‚ the equivalent of 36 football fields per minute. 3.0 WHAT ARE THE MAJOR CAUSES OF DEFORESTATION? Deforestation can happen quickly‚ such as when a fire sweeps through the landscape or the forest is clear-cut to make way for an oil palm plantation
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materials‚ and medicine for all those who have lived in the majesty of the forest. However‚ the inner dynamics of a tropical rainforest is an intricate and fragile system. Everything is so interdependent that upsetting one part can lead to unknown damage or even destruction of the whole. Sadly‚ it has taken only a century of human intervention to destroy what nature designed to last forever. The scale of human pressures on ecosystems everywhere has increased enormously in the last few decades. Since 1980
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and the deciduous forest are not too different from each other. However‚ the Plant Respiration (RP) in the forest is almost double that in the alfalfa field. What factors (physical‚ chemical‚ or biological) do you think might explain this difference? The difference would have to be the biological and physical factors. The reason for this is the cycle in deciduous forest goes through. Tree insects and diseases are most common in older forests. They help to rejuvenate the forest by decomposing organic
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will its consumers the zooplankton die and so will the other fish that eat the zoo plankton such as crustaceans . Marine life could not exist without plankton . Scientist often times use ecological models to help them represent parts of an ecosystem and to help them understand environmental interactions or even make predictions. Theses models are then tested by comparing them to observations from the real world. Ecological models can help with environmental problems by providing possible solutions
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the tens of millions of people who depend on degraded forests. It can meet the twin objectives of assigning forest land to tribal and other forest- dwelling communities to enable livelihoods‚ and relieving extractive pressures on core dense forests to aid conservation of wildlife and biodiversity. The overarching benefit to the environment will be in the form of carbon sequestration to combat climate change. The Ministry of Environment and Forests‚ which has grasped the imperative to balance these
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by agriculture. How does this effect the forest of Sumatra? Sumatra is the biggest island of Indonesia‚ nearly twice the size of Britain. It was a island nearly completely covered in a unique and pristine ecosystem - one of the worlds last virgin rain forests. However the sheer global hunger for paper‚ biofuels‚ cooking oils (margarine) and chocolate have all taken a massive toll. It is suggested that since the 60´s around half of the rain forest has already been lost and by 2020 Sumatra
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ecotourism development‚ road expansion‚ and ecosystem management in Okomu National Park. From 2001 to 2016‚ a lot of siltation as well as water shrinkage had taken place within the lakes of Okomu National Park. Hence‚ these phenomena possibly due to climate change resulted into the decrease in swampy forest. Muchmore‚ the reduction in the spatial extent of secondary forest can be largely attributed to the increase in the high forest. The effective ecosystem management within the park brought about an
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technology such as smokestack scrubbers‚ emission systems‚ and waste-water treatment plants. Although developing countries consume a far smaller percentage of the world’s resources per person‚ the sheer numbers of people can quickly deplete soil‚ forests‚ and waterways. air pollution Air pollution is one of the most pervasive enviromental problems because atmospheric currents can carry contaminated air to every part of the globe.Most of the air pollution gases come from vehicle motors and power
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types of ecosystems throughout. It has tropical forests in the eastern region‚ dry forests in the southwestern region‚ man-made grasslands‚ natural wetlands‚ and coral reefs on the coasts. The most common ecosystem is the rainforest. The lowland rainforest’s elevation is about 800 meters. It is the most biologically rich ecosystem in Madagascar. They are very humid and rainy. Typically lowland rainforests have very well developed canopies. Lowland equatorial evergreen rain forests are forests which
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Earth Science Ecology Group 11 Objectives: * To define Ecology * To differentiate abiotic and biotic components of the ecosystem. * To identify the different types of ecosystem. * To know the different elemental cycles * To understand the importance of the natural habitat and the effects of migration. * To know have an overview of what is food chain and food web * To differentiate renewable from non-renewable resources * To know what is population‚ migration
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