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Guidelines for mercury assessment using bird feathers

Detailed Description

An illustration of a new tool to guide mercury assessment from bird feathers. First, estimated variability level (1) and desired accuracy level (2) are used to determine number of feathers (A). Then, number of feathers and bird size are used to calculate number of sample boats (B). Finally, number of sample boats is used to assess whether whole feathers or homogenized feathers should be used (C).


Public Domain.