Gazave, E., Chang, D., Clark, A. G., & Keinan, A. (2013). Population growth inflates the per-individual number of deleterious mutations and reduces their mean effect. Genetics , 195 (3), 969-978.
The article acknowledges that the human population is dynamic since it keeps on increasing exponentially. The authors elucidate that the exponential growth has had an impact on the human population. Admittedly, it has eliminated weakly deleterious variants in the human population. On the other hand, the exponential growth introduces deleterious mutations into the human population. Additionally, these deleterious mutations are likely to multiply their copies as the exponential growth continues to occur. However, it is vital to note that “despite the overall increase in the number of deleterious mutations, each individual exhibited a mild increase of these mutations.” It is also observed that with time, natural selection efficacy increases in the human population. The ramification for this is that each person carries more deleterious alleles compared to when there is no exponential growth. This article is particularly useful since it gives details concerning the effect that exponential growth has on the deleterious mutations in the human population. Therefore, the article is relevant to the course and it is worthy to use in writing research.
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Kinder, C. (n.d.). 98.07.02: The Population Explosion: Causes and Consequences. Teachersinstitute.yale.edu. Available at: http://teachersinstitute.yale.edu/curriculum/units/1998/7/98.07.02.x.html . [Accessed 19 Nov. 2018].
Kinder acknowledges that the world population is experiencing exponential growth, with a projected increase of one billion people in the next decade. The author explains that the exponential growth pattern will have detrimental effects on the human population. Kinder asserts that exponential growth pattern is due to food production distribution, public health improvement, and conquest of disease. The author states that the exponential growth pattern is associated with high mortality rates among children as well as high poverty among people. It is also associated with increased diseases and health problems. Moreover, the human population exhibiting exponential population growth is susceptible to natural disasters. Overall, the exponential growth pattern decreases the quality of life as well as increasing human suffering. Kinder suggests that action plans and strategies should be formulated to avert overpopulation problems. There should be family planning to help halt the exponential growth patterns. It is also crucial to provide education to women and men on family size and fertility issues. Open communication should also be encouraged to help in brainstorming and combating exponential growth pattern. This article not only identifies the problems associated with exponential population growth, but also the best remedies to avert the situation. Thus, this article is pivotal in understanding the course.
Wei, Y., Huang, C., Lam, P. T., & Yuan, Z. (2015). Sustainable urban development: A review of urban carrying capacity assessment. Habitat International , 46 (1), 64-71.
The authors of this article elucidate that whenever sustainable exponential population growth occurs, its effect on sustainable urban development comes into play. In particular, people are concerned about the urban carrying capacity. It is essential to note that exponential population growth puts a strain on natural resources such as land, water, and air. Essentially, as the population grows so is the depletion water sources, the unavailability of land space for settlement, the increased population of air, and poor waste disposal and management. When population in urban areas grows beyond a given limit, more carbon emissions occur due to many vehicles and industries within these regions. These emissions trap heat, thereby causing temperatures of the atmosphere to increase considerably. This phenomenon is known as global warming, and it is a threat to human, plant, and animal survival in the ecological system. In summary, the article asserts that exponential population growth is detrimental to sustainable urban development since it limits the town’s carrying capacity. Thus, this article is vital in explaining one of the many problems that exponential growth pattern has on the human population. It is therefore vital in helping people understand the course.
