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Ecosystem Function, Structure and Change EssayLake Tahoe is a large lake that is almost split in half by the border of California and Nevada. Lake Tahoes appear area is about 191, 500 square miles with a depth of about 500 meters. Lake Tahoe is listed as the 26th largest lake by volume. The vegetation around the lake supports a motley of plant life and animal life, as well as a very diverse organism community. The vegetation around the lake consists of a mixture of Jeffry Pine, lodgepole Pine, and two white and red firs. Vegetation also includes both wet and dry meadows and brush fields. The brush field Ceanothus has the capability of fixing nitrogen that makes the soil of the surrounding lake more fertile. There are several processes that prevail indoors and outside the lake. The lake is under threat from eutrophication that can severely affect the aquatic life living in it and the surrounding vegetation. It has been estimated that there has been changes in the population s of the various aquatic animals living in the lakes waters.Zooplankton population has faced the greatest changes. The lake experiences both winter and summer seasons, which in that area of the country can be extreme. Temperatures can go as tall as 80 degrees Fahrenheit in the summer and as low as sub-zero in the winter. The vegetation surrounding the lake experiences these temperature changes and responds to this stimulus by the change in leaf colors and leaf numbers. The seasonal worker changes also affect the different mammal activities and interactions in the surrounding environment. Human activity around the lake is considerably high. Historically, the area around the lake was inhabited by autochthonous Americans. The lake, because of its natural beauty and vegetation is a great attraction spot for tourists who wish to ski and fish. Because of the surrounding human population, there have been attempts to dispose of the untoughened sewer away from the lake basin but this stra tegy has not proved to be that useful.This is because theeutrophication levels of the lake water are rising at a considerably high rate. The nitrogen and phosphorus levels of lake are increasing because of the high amounts of these elements and their compounds in the sewage water. The phytoplankton population present in the lakes water is a natural joyride that is reducing the levels as we speak. However, the rate of this natural proves might not be able to cope with the nitrogen and phosphorus amounts in the future if per say the sewage problem is not dealt with effectively in time. Strong, 1999 The need for effective ecological planning is essential in todays world where industry and technology is growing at a remarkable rate. Ecological planers plan to protect the natures true works and work hard to promote consciousness against ecological deterioration.There are several things that planning requires. The lake is surrounded by vegetation and is home to hundreds of aquatic life forms. The vegetation and the mammalian life inside it is directly dependent on the lake for food and nourishment. This is because the primary protein source shall be the fish inside the lake for the land animals. Ecologists use these types of useful information to develop plans for focal point and restoration. In this case, the ecologists shall consider the water quality of the lake to be of the greatest importance. They shall ensure that there is little human interference in the natural habitats of the vegetations animals to allow the natural ecosystem to flourish because human interferences can cause migrations.The ecologists shall calculate the area required by the lake and the surrounding vegetation and shall accordingly present the info for further use. If in the future, companies or industries aim to industrialize the area, the ecologists shall use the data to calculate the risk of opening an industry to the environment. Ecologists that use preservation techniques to help go on natural ecosystems give often consider the importance of an ecosystem by looking for any endangered or rare species inhabiting the area. The conservation of these rare species keeps ecologists busy. Ecological interactions amidst species are numerous and some types of standards only occur rarely or in specific climates and/or seasons. Lake Tahoe is an example of the hundreds of natural ecosystems found on the planet. individually ecosystem has a unique setup and the organisms populating it are dependent on it in every way. The presentation of these ecosystems is a responsibility for humans.ReferencesLake Tahoe. (n.d.). Retrieved from http//en.wikipedia.org/wiki/Lake_Tahoe