1. Fertilisers and nitrate leaching;Addiscott,1996
2. Meiobenthic and macrobenthic community structure along a putative pollution gradient in Southern Portugal;Austen;Marine Pollution Bulletin,1989
3. Baptista, T.M.C., 1993. Microbiological observations in the Ria Formosa. M.Phil University of Wales, 98 pp.
4. Effects of pollutants in the Ria Formosa lagoon;Bebianno;Science of the Total Environment,1995
5. Bricker, S.B., Clement, C.G., Pirhalla, D.E., Orlando, S.P., Farrow, D.R.G., 1999. National Estuarine Eutrophication Assessment: Effects of Nutrient Enrichment in the Nation's Estuaries. NOAA, National Ocean Service, Special Projects Office and the National Centers for Coastal Ocean Science. Silver Spring, MD, 71 pp.