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View Resource U.S. Fish & Wildlife Service: National Wetlands Inventory

Wetlands went through a hard time in the 19th and much of the 20th centuries as they were summarily drained and used for real estate development. Today, scientists, planners, and recreationists are well aware of the value they provide in terms of their role as lively animal habitats and as a way to recharge groundwater. The U.S. Fish and Wildlife Service is the primary federal agency that...

View Resource Environmental Protection Agency: Wetlands

The Environmental Protection Agency (EPA) has created this site to inform the general public about their role in wetland preservation and restoration. At the top of their page, visitors can click on the "What are Wetlands?" area to get some basic definitions, look over some fact sheets, and learn about the recent history of wetlands in the United States. Also on the homepage are sections such as...

View Resource Diatom-Based Bioassessment in Wetlands: How Many Samples Do We Need to Characterize the Diatom Assemblage in a Wetland Adequately?

This article by Christine L Weilhoefer and Yangdon Pan of Portland State University addresses the use of microscopic diatoms lodged in sediment to learn about the history of lakes, rivers, and wetlands. This case illustrates such a study done with an extensive wetland along the Columbia River in Oregon, US.

View Resource Wetlands - An Introduction

This instructional guide is designed to provide instructors with lecture materials and resources that introduce wetlands as ecosystems. Student objectives, a general lecture outline and a more detailed PowerPoint presentation with instructor notes are provided. Wetland definitions and their importance are discussed as well as the criteria that are used to distinguish wetlands from uplands....

View Resource Wetlands - Then and Now

This instructional guide is designed to provide instructors with lecture materials and resources that describe the various ways that wetlands are classified, their current status and a historical perspective on wetlands. Trajectories and drivers of wetland loss and degradation in the United States are emphasized. Current wetland issues including the loss of mangrove wetlands and the impacts of...

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