Combining biological indicators of watershed condition from multiple sampling programs-a case study from Maryland, USA

Author: Volstad J.H.   Neerchal N.K.   Roth N.E.   Southerland M.T.  

Publisher: Elsevier

ISSN: 1470-160X

Source: Ecological Indicators, Vol.3, Iss.1, 2003-04, pp. : 13-25

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