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By JOHN G.LYON

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Moisture conditions change greatly throughout ecosystems. Coastalwetlands can be influenced by long-term differences due to net precipitation inthe basin such as these coastal lacustrine wetlands on Lake Michigan. under most conditions. The differences can be interpreted over time as construction of houses or buildings and as an exposure to wetland receptors. Other characteristics and conditions of property can be of interest. Indicators of these conditions can be used to identify and locate areas for fieldwork, and contribute to management of wetlands.

Development often alters the drainage conditions of areas, andoften retention ponds are dug to handle storm runoff. Some wetland habitat iscreated but it many lack many wetland functions such as this pond near Syracuse, New York. Information for Planning The benefits to wetlands of a remote measurement and GIS system are multifold. 6). For planning, the data are useful in optimization of avoidance of wetlands, optimization of management activities and relative economics, and other efforts. The use of remote sensor data and spatial information systems like GIS can be valuable also in reporting information.

D) These quadrangle overlay products and additional photos from the spring and growing season will be used to further identify general wetland areas on the maps. (e) Integrate other data sources such as watershed and drainage maps to help qualify wetland resource areas that are close to or on important water bodies or stream/river waterways that are potentially of interest. (f) Fieldwork is valuable to determine the accuracy of mapped general wetland areas. The expert can make corrections. Establish and conduct an accuracy assessment experiment to determine the quality of the final products (Congalton and Green, 1998).

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