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Deciduous Forests What is a deciduous forest? Top Carinv ors 3rd Level Consu mers 2nd Level Consumers 1st Level Consumers Herbivorous Consumers Primary Producers ü A forest where the trees shed their leaves ü Occurs in regions that experiences seasonal changes ü Europe, New Zealand, Australia, northeast Asia Climate ü 30” – 60” of rain fall ü Seasonal changes in temperature ü Plants lose their leaves in order to survive cold winters ü Animals migrate or hibernate for winter ü Average temperature 75°F ü Fertile soil due to decomposition By Steve & Brian Abiotic Factors are non-living components of the biome including rocks, mountains, water, and air. Biotic Facto rs are living components of the biome. These two parts of the biome interact with each other. Abiotic Factors such as water and temperature impact the plant and animal life of an ecosystem. If rain levels are low and temperature is high Biotic Factors such as plants and animals may have to suffer through droughts. Soil is an Abiotic Factor that both impacts and is impacted by Biotic Facto rs. If it’s rich more trees grow and the soil is further enriched. Abiotic Factors change and impact Biotic Factors depending on season. For example in the winter Abiotic Factors such as the soil and air are frozen which causes leaves to drop and food sources Deforestation v Humans remove large number of trees v Reduces clean air v If forest is not harvested sustainably forest will take decades to regrow Acid Rain v Acidic rain caused by coal power plants and burning fossil fuels v Harms all living organism in biome including trees and animals Habitat Loss v Civilization encroaches on forests v Farming decreases biodiversity of once forested areas