located leeward side of rain shadow -Characteristics of grasslands: richest soil in the world‚ benefits from fire‚ human impact includes agriculture and rangeland -Characteristics of tundra: Low vegetation‚ short growing season‚ cold winters‚ water is locked up in snow and ice -Difference between alpine vs. arctic tundra: Alpine has more solar radiation‚ hot in summer‚ lots of winds and gravely soil -Tropical rain forests: warm all year round‚ soil is thin‚ acidic and nutrient poor. Human impacts
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in the Arctic. Its wingspan can spread out anywhere from 45-60 inches. Most people are familiar with its winter coat of completely white feathers‚ and it is not usually distinguished by its summer coat of spotted and striped brown feathers. It is both nocturnal and diurnal‚ owing to the fact that its habitat‚ the Arctic‚ does not darken at night
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Mediterranean Scrub Introduction: Regions of Mediterranean-type climate occur roughly between 30° and 40° latitude on the west coasts of continents‚ where offshore there are cold ocean currents. Each region in which the Mediterranean shrublands and woodlands occur is island-like in character and thus there is frequently a high degree of endemism. Comparative studies of the several regional expressions of this biome reveal interesting examples of convergent evolution in plant families and birds (but
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Chapter 50 Ecology is the scientific study of the interactions between organisms and their environment. Concept 50.1 Ecology is the study of interactions between organisms and the environment Ecology and evolutionary biology are closely related sciences. * Ecology has a long history as a descriptive science. * Modern ecology is also a rigorous experimental science. * Ecology and evolutionary biology are closely related sciences. * Events that occur over ecological time (minutes
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TUNDRA- Barrow‚ Alaska Biotic and Abiotic Factors Unique Characteristics Arctic Fox Wolves Elk Lichens Cotton grass The top layer of soil is composed of permafrost There is low biotic diversity The are large population oscillations There is limited drainage Reproduction periods are short UNKNOWN CLIMATOGRAMS: Table 16: Chaparral Table 17: Tropical Deciduous Table 18: Tropical Desert Table 19: Boreal Forest Table 21: Tundra ANALYSIS:
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Considering the harsh environment of the arctic tundra‚ it is extraordinary that humans could survive and even thrive in that environment. People have been living in the arctic of Alaska of r thousands of years before the Ipiutak people took root in the area. The Norton Tradition‚ Choris‚ Denbigh Flint Complex‚ and Dorset survived and thrive in coastal Alaska. The harsh environment didn’t deter humans from occupying the area. The Ipiutak were one such people that occupied the northern costal
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They would observe the older person‚ listen to what they were saying‚ ask questions and then proceed to try their own hand. These tasks could include anything from fishing and hunting ptarmigan‚ to picking cloudberries and sewing a gakti. In the arctic tundra and along the coast where the Sami lived‚ life was difficult and survival was of the utmost importance. Therefore‚ the traditional knowledge that was passed down from parent to child was primarily a series of recipes for survival. Young people
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GLOBALWARMING: NATURAL OR MANMADE? ------------------------------------------------- Saloni Gupta (Civil engineering Dept.‚ MediCaps Institute of Science and Technology) ABSTRACT: The ‘Mother Earth’ has been cooling for the last decade. Poles of the planet are gaining about as much ice as they are losing. It is worth mentioning that since past 420‚000 years‚ Earth’s atmospheric temperature is changing even before carbon dioxide emission by humans. There is no scientific evidence to back claims
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communities of plants‚ animals‚ and micro organisms 7 major biomes Tundra‚ Taiga‚ Temperate Forest‚ Tropical Rainforest‚ Grassland‚ Desert‚ Ocean Tundra Biome not so many plants‚ lots of diverse bacteria tree growth is restricted by low temps/ short growing seasons Vegetation - dwarf shrubs‚ grass‚ moss‚ lichens 2 Types of Tundra Arctic & Antarctica Alpine - high altitude mts. Lecture 9/1 - Biomes Tundra Biome Permafrost - frozen soil -soil is frozen in winter -permafrost
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a particular area. A biome is characterized by its plant life‚ which is determined by its location. For example‚ northern coniferous forests exist in sub-arctic portions of North America and Asia‚ but further north‚ the conditions are simply too harsh and the season too brief for trees to grow. Instead of trees‚ the short vegetation of the tundra thrives in these areas. The same occurs with altitude‚ as trees give way to short alpine vegetation in high mountainous regions. A biome is composed of
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