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Decomposer communities in contaminated soil: is altered community regulation a proper tool in ecological risk assessment of toxicants?
1997
Salminen, J.E. | Sulkava, P.O. (University of Jyvaskyla, Department of Biological and Environmental Science, P.O. Box 35, FIN-40351 Jyvaskyla (Finland))
Environmental and pollution condition of the Huizache-Caimanero Lagoon, in the north-west of Mexico
1997
Guillermo Galindo, R.J. | Alejandra Medina, J.M. | Cecilio Villagrana, L. | Leonardo Ibarra, C. (Escuela de Ciencias del Mar, Universidad Autonoma de Sinaloa, Paseo Claussen s/n Mazatlan, 82000 Sinaloa (Mexico))
Fluxes and mass balances of nutrients in a semi-intensive shrimp farm in north-western Mexico
1997
Paez-Osuna, F. | Guerrero-Galvan, S.R. | Ruiz-Fernandez, A.C. | Espinoza-Angulo, R. (Laboratorio de Quimica Marina, Instituto de Ciencias del Mar y Limnologia, Universidad Nacional Autonoma de Mexico, Apdo. Postal 811, Mazatlan 82000, Sinaloa (Mexico))
highway stormwater runoff quality: development of surrogate parameter relationships
1997
Thomson, N. R. | McBean1, E. A. | Snodgrass, W. | Monstrenko, I. B.
The development of relationships for predicting the impact of highway stormwater runoff is described. The predictive relationships are regression-based equations reflecting variations in the magnitude of the constituents of interest. The objective is to identify a subset of constituents that can be used as surrogates for the remaining constituents as a means of decreasing the costs of collection and measurement of highway stormwater runoff quality data.The Minnesota highway stormwater quality database complied in the late 1970's and early 1980's is employed in identifying the set of surrogate parameters. The findings indicate that total suspended solids, total dissolved solids, total volatile solids, and total organic carbon are effective surrogate parameters for numerous metals, ionic species, and nutrients. The findings also indicated that the developed ionic species constituent relationships are portable, while the metal and nutrient constituent relationships were limited to urban sites with similar environmental conditions. The development of these relationships represents a step towards remediating and preventing the problem of nonpoint source highway pollution.
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