Ecosystem Essay

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Ecosystem can defined as complex of living organisms, their physical environment and all their interrelationships in a particular unit of space. Importance of ecosystem can be explained in term of being a major source of innumerable and invaluable services to drive the processes that sustain the global economy and survival of human life. The diversity of ecosystem is dependent on the physical characteristics of the environment, the diversity of species present and the interactions that the species have with each other and with the environment. Isle Royale is an island of about 500 square kilometers in area, located 25 km off the west coast of Lake Superior near the Minnesota Ontario border. Its name came from French explorers who found it about 200 years ago. In the mid 1940’s, Isle Royale was made a national park including surrounding smaller islands. Isle Royale has also been known as ecological research site for many scientists since it’s considered as a natural environment where interractions with species with numerous factors can be studied to help Disturbance can originate naturally or due to human disturbance. Most of a forest’s mass is above ground making it more vulnerable to external factors. Fires have always been common in the boreal forest. They have had an important influence on the distrubition, species composition and age classes represented in the contemporary forest. Most obvious effects includes reduction or removal of the unincorporated organic material from soil and an increase in PH and ion concentration and the ultimate effect of these conditions is the rise of poorly stocked forest with shrubs pine and oak sprouts. Another factor affecting the forest ecosystem is the forest itself. Pines for example, create acidic soil that limits the plants that can live on the forest floor. Three factors affecting productivity of bald eagles in the

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