Zobrazeno 1 - 3
of 3
pro vyhledávání: '"Howard E. Westerdahl"'
Autor:
Steven O. Link, Gordon R. Bilyard, Paolo Ricci, Harold E. Seely, Howard E. Westerdahl, Michael J. Scott, Carlos A. Ulibarri
Publikováno v:
Environmental management. 22(1)
/ Ecological resources are natural resources that provide certain necessary but overlooked system maintenance functions within ecosystems. Environmental economics is in search of an appropriate analysis framework to determine economic values of such
Publikováno v:
Journal of the American Water Resources Association. 19:197-204
Four 10-ha plots in dense watermilfoil beds of Lake Seminole, Georgia, were each treated with either 2,4-D DMA or 2,4-D BEE at rates of 22.5 and 45 kg a.e./ha. Both formulations were shown to be rapidly converted to the 2,4-D acid form, with no detec
The purpose of this document (presented in two volumes) is to provide guidance to Corps District and Project personnel on aquatic plant identification, herbicide use, and pertinent environmental considerations in the use of herbicides. Volume II emph
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7c078e86f3c00c9a4b419ae0ada3f8a5
https://doi.org/10.21236/ada203243
https://doi.org/10.21236/ada203243