land Replanting of vegetation after mining and quarrying activities. Controlling lumbering which ensures that only a few mature trees are moved From the forested areas. Uses of fertilizers to maintain soil Soil fertility humus is also a natural Way of replenishing the of the richness Soil. Crop rotation should replace mono-cropping. As the name implies this is a system of farming whereby different crops are planted on the same piece of land in succession. This benefits
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upstream soil erosion caused by the indiscriminate construction of logging roads and camps‚ skid trails and logging itself.172 Dr Saulei of the University of Papua New Guinea also blames the logging industry for ’accelerating erosion‚ weathering and humus decomposition‚ and leading to widespread formation of soils with low nutrient and absorptive capacities’.173 Forest Fires Most of the destructive forest fires that have recently raged out of control across the world‚ from the Amazon to Indonesia
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Conservation is the protection and preservation of natural resources in the enviorment. the important renewable natural resources are air water soil wildlife and forests. Conservation is necessary for the following reasons: 1. ensure the protection of plant and animal species and to prevent their extinction‚ 2. maintain a stable and balanced ecosystem. This prevents disruption of natural cycles and global warming. 3. to ensure conservation of marine life as they are a major source of human
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dictatorship of Ferdinand and Imelda Marcos‚ a U.S.-sponsored regime characterized by military repression and wholesale human rights violations. Conversely‚ it was also the fecund period for the sociopolitical awakening and involvement of many Filipinos; the humus for the renowned religious-political event‚ the 1986 EDSA People Power Revolution. [2] Dekada 70 journeys with the central character Amanda Bartolome (Vilma Santos)‚ the reticent wife of an alpha-male husband‚ and the worrying mother of a boisterous
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Cow and Pig Manures While cows eat many of the same plants eaten by horses‚ weed seeds do not survive in a cow’s digestive system. Cattle (along with goats‚ sheep‚ deer‚ and some other animals) are ruminants that have a system of two stomachs to double-digest their food. Cattle manure is often collected as a slurry‚ does not have bedding materials mixed in with it‚ and will break down easily. For these reasons‚ cow manure is better than horse manure in a compost pile. Nitrogen level is lower than
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Symbiosis: The general term used to describe intimate association between pairs of species is symbiosis. Most ecologists further divide the term into three categories‚ i.e. mutualism‚ commensalisms and parasitism. A. Mutualism: Two organisms live together in such a way that both are benefited. This association is usually a permanent one. a. Lichen There are several thousand species of lichen. They are commonly found on exposed rocks and tree trucks. They can even be found on exposed
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soil has a very thin active layer due to permafrost. The very thin active layer causes the soil to have very low vegetation because most plants can’t plant there roots in thin soil. Also with almost no vegetation the soil has a very low amount of humus causing the have low nutrients in it. In cold weather only coniferous trees can grow and the pine needles that fall of the trees give the ground a very high acidity which most plants cannot grow in. In the mountains it is very cold but
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Weathering Process Physical Weathering Processes Freeze Thaw (Frost Shattering) Temperatures need to fluctuate above and below freezing. When the temperature drops below 0 degrees‚ water collected in rock cracks freezes and expands. When temperatures rise again the ice melts. Pressure created by expansion results in progressive weakening of the rock. At high altitudes frost-shattered material forms scree slopes. Heating & Cooling Thermal expansion & contraction of rock in response
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generally central Africa) and large areas of Australia‚ South America and India. REGIONAL CLIMATE The climate is warm and hot Rainfall is about 50.8 to 127 cm annually. SOIL ORDERS The soil is porous with rapid water drainage. Contains a thin layer of humus. DORMINANT GROWTH FORMS Rhodes grass and red oat grass‚ in East Africa Star grasses and lemon grass is common. Deciduous trees and shrubs are scattered across the open landscape. SUBSTRATES DISTURBANCE In the dry season‚ seasonal fires are experienced
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<b>Introduction</b><br>Saskatchewan is situated in the central Prairie between Alberta on the west and Manitoba on the east. Its neighbour on the north is the North West Territories‚ and on the south it borders with the United States. Saskatchewan is rectangular in shape--it is the only Canadian province none of whose borders was determined by the landform feature like river or mountain range. The province is located in the Central Standard Time and doesn’t switch on Daylight Saving Time in summer
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