5a+Ecological+Concerns

= Ecological Concerns =

2. Discuss how any climate conditions have changed the actual land.
==3. Discuss the economic effects of the people on this ecosystem, e.g. has mining, fishing, manufacturing, farming, tourism, or any other form of the people making money affected this ecosystem in a positive or negative way.==

An example of an Antarctica posting:
== In prior times Antarctic was isolated; only a few hardy explorers dared to adventure to its shores. Today, tourism is becoming a major factor in Antarctica's ecosystem. In 1992-94 only 6,700 tourists visited this continent while in the 2008-09 season, 45,213 tourists landed on its shores. This means that humanity is putting its footprint on this ecosystem trampling down or moving some natural landforms, leaving oil slicks in the water along with hydrocarbons, sulfur dioxide and nitrogen dioxide in the air (http://ecological-problems.blogspot.com/2009/04/tourism-in-antarctica-threat-to.html). ==