Fonti e riferimenti

1. Hageman RH. 1980. Effect of form of nitrogen on plant growth. In: Meisinger JJ, Randall GW, and Vitosh ML (eds). Nitrification Inhibitors− Potentials and Limitations. Am. Soc. of Agronomy (Madison WI), pp. 47-62.
2. Frank, Neil. 1991. Ammonia toxicity to freshwater fish. The effects of pH and temperature. Freshwater and Marine Aquarium, Sept. issue, page 13.
3. Walstad, Diana. 2013. Ecology of the Planted Aquarium (3rd Ed). Echinodorus Publishing (Chapel Hill, NC), pp. 108-110.
4. Nelson SG, Smith BD, and Best BR. 1980. Nitrogen uptake by tropical freshwater macrophytes. Technical Report by Water Resources Research Center of Guam Univ. Agana. (Available from National Technical Information Service, Springfield VA 22161 as PB80-194228.)
5. Ozimek T, Gulati RD, and van Donk E. 1990. Can macrophytes be useful in biomanipulation of lakes: The Lake Zwemlust example. Hydrobiologia 200: 399-407.
6. Ferguson AR and Bollard EG. 1969. Nitrogen metabolism of Spirodela oligorrhiza 1. Utilization of ammonium, nitrate and nitrite. Planta 88: 344-352.
7. Guerrero MG, Vega MJ, and Losada M. 1981. The assimilatory nitrate-reducing system and its regulation. Annual Rev. Plant Physiology 32: 169-204.
8. Dortch Q. 1990. The interaction between ammonium and nitrate uptake in phytoplankton. Marine Ecology Progress Series 61:183-201.
9. Ullrich WR, Larsson M, Larsson CM, Lesch S, and Novacky A. 1984. Ammonium uptake in Lemna gibba G 1, related membrane potential changes, and inhibition of anion uptake. Physiol. Plant. 61: 369-376.
10. de la Haba P, Aquera E, and JM Maldonado. 1990. Differential effects of ammonium and tungsten on nitrate and nitrite uptake and reduction by sunflower plants. Plant Science 40: 21-26.
11. Wetzel RG. 2001. Limnology. Lake and River Ecosystems (Third Ed.). Academic Press (New York), pp. 215-16. [L’ossidazione dell’ammonio a nitrito fornisce -66 kcal/mol; l’ossidazione da nitrito a nitrato, -18 kcal/mol. Complessivamente, l’ossidazione da ammonio a nitrato (id est, nitrificazione), fornisce -84 kcal/mol.]
12. Thursby GB and Harlin MM. 1982. Leaf-root interaction in the uptake of ammonia by Zostera marina. Marine Biology 72: 109-112.
13. Pedersen MF, Paling EI, and Walker DL. 1997. Nitrogen uptake and allocation in the seagrass Amphibolis antarctica. Aquatic Botany 56: 105-117.
14. Nichols DS and Keeney DR. 1976. Nitrogen nutrition of Myriophyllum spicatum: Uptake and translocation of 15N by shoots and roots. Freshwater Biology 6: 145-154.
15. Schuurkes JAAR, Kok CJ, and Hartog CD. 1986. Ammonium and nitrate uptake by aquatic plants from poorly buffered and acidified waters. Aquatic Botany 24: 131-146.
16. Sauder, Laura A et al. 2011. Aquarium nitrification revisited: Thaumarchaeota are the dominant ammonia oxidizers in freshwater aquarium biofilters. PLoS One 6: e23281, 9 pages