Critical review on norther canada Essay Example | Topics and Well Written Essays - 750 words

Critical review on norther canada - Essay ExampleHe is one of the virtually qualified and eminent scientists of fresh water today. Professor John P. Smol is a professor in the Department of Biology and also chairs Environmental Change at Queens University. He has rested his entire career to the study of environment and problems related. His work has been widely used in acid-rain debates and in studies related to spherical environmental change. He has written more than 230 publications and will soon publish his thirteenth book related to environmental issues. In the last ten historic period he has been awarded 18 medals, fellowships and various prizes for his phenomenal contribution. The article throws light on the impact of temper warming on the Arctic all over the North America, Eurasiatic Arcitic and other polar regions. The authors stress that Arctic is high latitude system which has come under threat due to warm climate and human-caused environmental activities. The consti tution seeks to refute claims and the widely believed perception that Arctic lakes, ponds and rivers are immune from the impact of activities undertaken by humans. It is explained how changing albeta and cold water biota make them sensitive to climate changes and green house warming only accelerates the process. They suspect Arctic Aquatic fauna to comprise of a high concentration of contaminants due to changes in its lakes and rivers over the years. The purpose of the paper is to point out the gravity of impact of human activities on the Arctic and it is way more than most environmental mangers predict. The authors cite Spragues (2006) work Great wet north? Canadas myth of water abundance in pointing out that the flowery stories planted by Canadian media and politicians over abundance of water in the region are a fluke. Spragues work is correctly quoted to correct the false impressions people have about the countrys water resources. The biggest strength of this paper is the consis tency of the work. The authors of the paper do not digress. This assertion is repeated again with a plausible concern in the conclusion when Krummels (2003) work is cited to explain why in high latitude regions politicians tend to ignore environmental problem. It is well(p) illustrated with a hook of pictures and graphs. The article is well supported with a lot of correctly cited statistical references. For instance, the authors point out Brunskills hydrological figures when stating that most lakes in the north have less than one percentage of their water replaced every year. However, there are places, where the authors could have gotten into more insight for instance they assert that high exposure to ultra-violet rays can inflict a lot of harm to the DNA in phytoplanktons and zoo-planktons. Hessen and Williamsons work from the nineties is quoted but without any further explanation. When I piqued through their work, I figured they had also explained how and what causes the damag e. over again while specifying how snow cover affects lake properties, they point out by citing Sorwaris (2003) workthat snow cover can have huge limonological implication. But they failed to cover what considerate of limonological limitations? These were some of the minor glitches in the otherwise well researched paper. The authors made it a point to use most of the latest references which was a major plus point. thither were only a few places where they had referenced all the way back to papers from 1980s- Carmouse (1983) and Prowse (1985) to name a