Importance of Maintaining Species
"Diversity of life and living systems are a necessary condition for human development" (Ishwaran & Erdelen, 2006, p. 179). Many question the importance of maintaining biodiversity in today's world, where conservation efforts prove costly and time consuming. Species should be saved for "aesthetic and moral justifications; the importance of wild species as providers of products and services essential to human welfare; the value of particular species as indicators of environmental health or as keystone species crucial to the functioning of ecosystems; and the scientific breakthroughs that have come from the study of wild organisms" (Wilcove & Master, 2008, p. 418). In other words, species serve as a source of art and entertainment, provide products such as medicine for human well-being, indicate the welfare of the overall environment and ecosystem, and provided research that resulted in scientific discoveries. An example of an "aesthetic justification" in conserving endangered species is that of the introduction of the gray wolf into Yellowstone National Park. The gray wolf has brought numerous amounts of tourists to the park and added to the biodiversity in the protected region (Wilcove & Master, 2008, p. 418).
Another example, supporting the conservation of endangered species as providers of products for human well-being, is the scrub mint. It has been found that the scrub mint contains an anti-fungal agent and a natural insecticide (Wilcove & Master, 2008, p. 418). Also, the deterioration of the bald eagle and the peregrine falcon "alerted people to the potential health hazards associated with the widespread spraying of DDT and other persistent pesticides" (Wilcove & Master, 2008, p. 418).
This serves as an example of how certain fish can serve as identifiers of environmental health and protect human life as well as other species. Finally, an example of species providing for scientific discoveries is the instance of the Pacific yew which "became the source of taxol, one of the most potent anticancer compounds ever discovered" (Wilcove & Master, 2008, p. 418-419). Endangered species could prove useful to human development, maintenance of biodiversity and preservation of ecosystems.
Another approach is known as ecosystem conservation, where a focus is placed less on preserving any individual given species than on preserving the proper functioning of the ecosystem as a whole.
Read more about this topic: Endangered Species
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