Biodiversity Essay.

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Details:1) What are some goods and services provided by natural ecosystem? 2) What you know about Ozone depletion in the atmosphere? How this depletion affect our life on this earth? 3)What are the lessons to be learned from the Aral Sea Story 4) What are the types of pollutants in wastewater? How these pollutants are removed from waste water?

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Biodiversity refers to the collection of variations or differences among living organisms. It comprises the myriad living elements of the partnerships between living organisms. An ecosystem is a set of dynamic combination of plants, animals, the natural environment, and micro-organisms existing and depending on each other as a unit. The ecosystem has it goods and services; however, it is subject to pollution by substances such as chemical emissions and human activity. The ecosystem contains systems that are balanced together to enhance interdependence and coexistence. If the systems are not balanced, it leads to extinction and depletion; as it will be observed with the Aral Sea Story, a depletion of the ozone layer. However, pollutants are there and they should be disposed in the proper manner.


What Are Some Goods And Services Provided By Natural Ecosystem?

The good that come from the natural ecosystem include food, water, timber, and fuel while services entail air purification, water supply, natural recycling of waste, pollination, soil formation,  and the regulatory mechanisms. However, the goods and services produced by the natural ecosystem are freely available; therefore, their true long-term value may not be included in the social economic estimates. The services may be described as conditions and processes through which the ecosystem and the species that comprise it sustain and fulfill the demands of mankind. The services of the ecosystem sustain biodiversity and the production of goods such as timber, fiber, forage, biomass fuels, pharmaceuticals, and industrial products. The ecosystem also supplies services that are actual agents of life support, such would include recycling, cleansing, and renewal; they comprise non-tangible aesthetic and social benefits. There is one major distinction between goods and services of the ecosystem; the goods are generally tangible products that emanate from the ecosystem processes, on the other hand, services mainly exist as intangible improvements in the location or the conditions of the goods (Mainka et al, 2005).


The services of the ecosystem are generated by complex natural cycles, ranging from complex biochemical cycles to the very minute life cycles of micro-organisms. The cycles are products of millions of years of evolution and have existed in other forms for such a long time. These services are however extremely pervasive, yet unnoticed by the human beings. Unlike the services, the goods may not go unnoticed as they consist of the basic amenities of the daily life. The goods sustain and fulfill life. The emphasis is mainly on the well-being of the man kind and thus consistent with the economic perspective. It might be argued that such an anthropocentric focus might be too limiting in that it overlooks the significance economic structure and processes to other species. Ecosystem processes are actually the result of the processes that contribute to human life either directly or indirectly, and sustain the quality of ecosystem goods. For instance, the forces of water and wind as a result of the solar energy and gravity produce goods such as rain and transformation and translocation of nutrients. The same way, micro-organisms in the soil remove contaminants from water resulting to a service – water purification (Mainka et al, 2005).

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