Understanding the Landscape Case Study Module 3: The Connecticut River Study Que
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Understanding the Landscape Case Study Module 3: The Connecticut River Study Questions The Connecticut River illustrates the concept of landscape connectivity at multiple scales. There is the connectivity between the river and its associated uplands, the connec- tivity within the river network (mainstem and tributaries), and the connectivity between freshwater and saltwater (Connecticut River flows into Long Island Sound). First, think of a large river in a part of the country that is familiar to you. Consider a large river in a part of the country that is familiar to you. For the following questions, compare your familiar river and the Connecticut River 1. Water quality in rivers is affected by specific l uses in the uplandsExplanation / Answer
Taking the example of the Mississippi River which is the chief river of the largest drainage system on the North American continent. Flowing entirely in the United States (with its drainage basin reaching into Canada), it rises in northern Minnesota and meanders slowly southwards for 2,320 miles (3,730 km) to the at the Mississippi River Gulf of Mexico . With its many tributries, the Mississippi's watershed drains all or parts of 31US states and 2 Canadian provinces between the Rocky and Appalachian Mountains. The Mississippi ranks as the fourth longest and fifteenth largest river in the world by discharge.
Due to land use their occurs nonpoint source pollution, the exact location where this type of pollution enters water cannot be identified because it comes from entire landscape areas of 31 states: anywhere that rain falls and carries pollutants as it runs off. The different types of land use that may affect the water quality are:
Our driveway and the road near our house may be sources of pollution if spilled oil, leaves, or other contaminants flow from them to a stream. Thus the common nonpoint source pollutants in urban areas are sediment, pathogens, nutrients, oxygen-demanding substances, heavy metals, oil and other petroleum products, and road salt.
Agricultural areas, because they occupy so much of the landscape, are important sources of pollution when rainfall carries sediment, nutrients, or chemicals to streams. Thus the common nonpoint source pollutants in agricultural areas are sediment, pathogens, nutrients, and pesticides.
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