Volunteer macroinvertebrate monitoring: assessing training needs through examining error and bias in untrained volunteers
Julia Frost Nerbonne and Bruce VondracekТом:
22
Мова:
english
Журнал:
Journal of the North American Benthological Society
DOI:
10.2307/1467984
Date:
March, 2003
Файл:
PDF, 402 KB
english, 2003
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