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...
For well over one hundred years, The Arnold Arboretum has sent scientists to document and explore the various corners of Asia. In the early 1920s, the Arboretum sent an expedition that remained in the Hengduan Mountain...
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