Total phosphorus as an indicator of trophic state of Portuguese reservoirs

Limnetica

Volumn 12, Issue 2, 1996, Pages 31-37

  Boavida, M J ^a   Marques, R T ^a  

^a UNIVERSITY OF LISBON   (Portugal)

Author keywords

Portugal; Reservoirs; Total phosphorus; Trophic state

Indexed keywords

EID: 28044435774     PISSN: 02138409     EISSN: 19891806     Source Type: Journal    
DOI: None     Document Type: Article

References (10)

1. ATLAS DO AMHIENTE. 1975. Distribution maps of insolation, temperature, precipitation - total amounts, precipitation -number of days in the year, air humidity-relative humidity at 9.00 h TMG, runoff - quantity of water in the hydrographic network, actual evapotranspiration (in Portuguese). Comissão Nacional do Ambiente.
2. ATLAS DO AMRIENTE. 1978. Distribution maps of soils (in Portuguese) Comissão Nacional do Ambiente.
3. ATLAS DO AMBIENTE. 1980. Distribution maps of population density (at county, regional level) (in Portuguese). Comissão Nacional do Ambiente.
4. CARLSON, R.E. 1977. A trophic state index for lakes. Limnol. Oceanogr. 22: 361-369.
5. MURPHY. J. & J.P. RILEY. 1962. A modified simple solution method for the determination of phosphate in natural waters. Annal. Cliem. Acta 27: 31-36.
6. VOLLENWEIDER. RA. 1968. Water management research: Scientific fundamentals of the eutrophication of lakes and flowing waters with particular reference to nitrogen and phosphorus as factors in eutrophication. Paris: Organization for Economic Cooperation and Development, Committee for Research Cooperation.
7. VOLLENWEIDER, R.A. 1976. Advances in determining critical loading effects for phosphorus in lake eutrophication. Mem. Ist. Ital. Idrobiol. 33: 53-83.
8. WETZEL, R.G. 1983. Limnology. Saunders.
9. WETZEL, R.G. 1990. Reservoir ecosystems: Conclusions and speculations. Pp. 227-238 in Reservoir Limnology: Ecological Perspectives, K.W. Thornton, B.L. Kimmel, & F.E. Payne, eds. John Wiley & Sons.
10. WETZEL, R.G. 1996. Training of Aquatic Ecosystems Scientists. Pp. 218-233 in Freshwater Ecosystems: Revitalizing Educational Programs in Limnology. National Research Council, National Academy Press.