Narwhal populations number around 80,000 individuals (Laidre, n.d.). Threats to narwhals include polar bears, orca whales, and entrapments in sea ice (“The Narwhal’s Tale: Surviving Sea Ice Change,” 2012). Other potential problems include the melting of global sea ice, which will reshape their habitat.
The process of DNA degradation is important to many scientific studies. Heat treatment is the standard procedure used to degrade genetic material by heating DNA-containing media past the DNA melting temperature
The effect fish processing bio-waste has on surrounding environments, habitats, and organisms is highly controversial. Although it is a natural pollutant, fish bio-waste has the ability to affect oxygen levels, salinity, temperature, pH levels, and the overall abundance of organisms in sea water.
The Homer Spit contributes to the community’s economic, social, and environmental value. Economically it is the business center of our tourism industry. Socially it holds much history of the town and contains the harbor. Environmentally, it is a key habitat for many marine species. Identifying the risk components on the spit can be daunting.
The Baltic Sea has suffered due to many pollutants; some of which have taken a major toll on the Baltic’s habitat; these pollutants include nuclear waste and agricultural chemical runoff.
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