This is a preview. Log in through your library . Abstract Changes in forest resources have been estimated in a variety of ways. This paper focuses on extensive forest surveys rather than on ...
Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...
Here at Pew Research Center, we are often asked about how we conduct our research. We work hard to make our methodologies transparent and understandable, but we also know that survey mode effects and ...
Water Environment Research, Vol. 64, No. 7 (Nov. - Dec., 1992), pp. 866-876 (11 pages) Stream sampling for water quality data has commonly employed simple surface-grab procedures as opposed to more ...
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