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Natural Resources and Energy: Florida Everglades
Effects of Agriculture
The Everglades' freshwater ecosystem supplies vital services to the local population, such as the maintenance of South Florida's agriculture and drinking water (National Wildlife Preservation, 2012). However, these services are rarely accounted for in decision making in regards to land use and planning. As a result of the natural services being taken for granted, Agricultural scientists agree that modern agriculture faces an environmental calamity. Specifically, " the very nature of the agricultural structure and prevailing policies have led to this environmental crisis by favoring large farm size, specialized production, crop monocultures and mechanization" (Altieri, 2001).
The absence of diversifications and rotations of crops, necessary for the self-regulating process, induces the agroecosystems to rely on vast amounts of chemicals, such as fertilizer nutrients. Moreover, crops ineffectively absorb the chemical...
According to Altieri (2001), "In the U.S. It is estimated that about 50-70% of all nutrients that reach surface waters is derived from fertilizers." This type of agricultural development is not sustainable in the long run and further growth in this type of farming threatens to damage the capacity of the ecosystem to regenerate itself through natural processes.
In a freshwater ecosystem, the sun shines on the water and aids the growth of the algae. The alga provides oxygen for various animals such as fish, and supplies food for microorganisms which have an important role in the local ecosystem. The variety of smaller fish that consume the microorganisms, also process oxygen and emit carbon dioxide, which serves as an asset to the flora uses carbon dioxide to develop. Consequently, without the algae, the lake's ecosystem becomes disrupted (New Hampshire Public Television, 2012).
The consequence of such land use leads to…
Effects of Human Population
In July 2010 the World Heritage Committee placed the Everglades on the "List of World Heritage in Danger" as a result of the reduction in natural water flows and the introduction of various pollutants from urban growth that reduce the nutrients necessary for ecological balances to occur naturally. Excess water flows at given times is also a problem for nesting animals that build in areas that would normally be elevated during dryer seasons. The Everglades is an aquatic ecosystem and the loss of the habitat for all the species that inhabit or migrate to the area is critical. Furthermore, the Everglades represents a dynamic region where saltwater meets freshwater. This acts to provide a replenishment area for the Biscayne Aquifer which in turn accounts for most of the freshwater supply for Southern Florida.
The increase of construction and related activities after hurricanes Katrina and Andrew have increased the amount of pollution emitted into the local system which in turn further increases the environmental threats for 14 endangered species, over 400 birds, and many mammals,
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