UV-B radiation screen and respiratory potential in phytoplankton in mountain lakes
DOI:
https://doi.org/10.14720/abs.47.2.16874Keywords:
mountain lakes, UV-B radiation, chlorophyll a, UV absorbing compounds, ETS activity, nutrient statusAbstract
UV-B radiation screen and the respiratory potential (terminal elec tron transport system - ETS activity) were investigated in phytoplankton from five mountain lakes located on an elevation gradient from 1383 m to 2150 m a.s.l.. The amount of UV absorbing compounds inphytoplankton was generally higher on the lakes from higher elevation. The increased ETS activity of phytoplankton in high er lakes wassuggested to reflect the energetic cost of generating the internal mech anisms for photoprotection.
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AMTHOR J. S. 1995: Higher plant respiration and its relationship to photosynthesis. In: Schulze, E. D. & M. M. Caldwell (eds.): Ecophysiology of Photosynthesis. Springer-Verlag, Berlin - Heidelberg - New York, pp. 71-101.
AMERICAN PUBLIC HEALTH ASSOCIATION 1998: Standard Methods for the Examination of Water and Wastewater. 20th edition. A.P.H.A., New York, pp. 4/151.
BJØRN L. 0. 1999: Effects of ozone depletion and increased ultraviolet-B radiation on terrestrial plants. In: Baumstark, K. (ed.): Fundamentals for the assessment of risks from environmental radia tion. Kluwer Academic Publishers, The Netherlands, pp. 463-470.
BLUMTHALER M., W. AMBACH & M. HUBER 1993: Altitude effect of solar UV radiation dependent on albedo, turbidity and solar elevation. Meteorol. Z. 2: 116-120.
CALDWLELL M. M. 1968: Solar ultraviolet radiation as an ecological factor for alpine plants. Ecol. Monogr. 38: 243-268.
CALDWLELL M. M., R. ROBBERECHT & W. D. BILLINGS 1980: A steep latitudinal gradient of solar ultraviolet-B radiation in the artic-alpine life zone. Ecology 61: 600-611.
CHO B. C. & F. AZAM 1990: Biogeochemical significance of bacterial biomass in the ocean's euphotic zone. Mar. Ecol. Prog. Ser. 63: 253-259.
DEL GIORGIO P.A. 1992: The relationship between ETS (electron transport system) activity and oxygen consumption in lake plankton: a cross-system calibration. J. Plankton Res. 14: 1723-1741.
DOBRAVEC J. & M. SISKO 2002: Geographical Location and Description of the lakes. In: Brancelj, A. (ed.): High-mountain lakes in the eastern part of the Julian Alps. Zalozba ZRC, Ljubljana, pp. 49-76.
FERREYRA G. A., s. DEMERS, P. DEL GIORGIO & J. P. CHANUT 1997: Physiological responses of natural plankton communities to ultraviolet-B radiation in Redberry Lake (Saskatchewan, Canada). Can. J. Fish. Aquat. Sci. 54: 705-714.
GABERŠČIK A., M. NOVAK, T. TROŠT, Z. MAZEJ, M. GERM. & L. 0. BJØRN 2001: The influence of enhanced UV-B radiation on the spring geophyte Pulmonaria officinalis. Plant Ecol. 154: 49-56. GABERSCIK A., M, GERM, A. SKOF, D. DRMAZ & T. TuosT 2002A: UV-B radiation screen and respiratory potential in two aquatic primary producers: Scenedesmus quadricauda and Ceratophyllum demersum. Verh. Intemat. Verein. Limnol. 27: 1-4.
GABERSCIK A., M. VoNc!NA, T. TROST, M. GERM & L. 0. BJORN 2002B: Growth and production of buckwheat (Fagopyrum esculentum) treated with reduced, ambient and enhanced UV-B radia tion. J. Photochem. Photobiol. B: Biol. 66: 30-36.
GERM M., D. DRMAŽ, M. SisKO & A. GABERŠČIK 2002A: Effects of UV-B radiation on green alga Scenedesmus quadricauda: growth rate, UV-B absorbing compounds and potential respiration in phosphmus rich and phosphorus poor medium. Phyton 42: 25-37.
GERM M., Z. MAZEJ, A. GABERŠČIK & D.-P. HADER 2002B: The influence of enhanced UV-B radiation on Batrachium trichophyllum and Potamogeton alpinus-aquatic macrophytes with amphibious character. J. Photochem. Photobiol. B: Biol. 66: 37-46.
GERM M. & A. GABERŠČIK 2003: Comparison of aerial and submerged leaves in two amphibious species, Myosotis scorpioides and Ranunculus trichopyllus. Photosynthetica 41: 91-96.
GULMON s. L. & H. A. MOONEY 1986: Costs of defence on plant productivity. In: GIVINISH, T. J. (ed.): On the economy of plant form and function. Cambridge University Press, Cambridge, pp. 681- 698.
HADER D.-P., H. D., KUMAR, R. C. SMITH & R. C. WORREST 1998: Effects on aquatic ecosystems. J. Photochem. Photobiol. B: Biol. 46: 53-68.
HESSEN D. 0., E. VAN DONK & T. ANDERSEN 1995: Growth response, P uptake and loss of flagellae in Chlamidomonas reinhardtii exposed to UV-B. J. Plankton Res. 17: 17-27.
HODOKI Y. & Y. WATANABE 1998: Attenuation of solar ultraviolet radiation in eutrophic freshwater lakes and ponds. JPN J. Limnol. 59: 27-37.
HUOVINEN P. S., H. PENTILLA & M. R. SOIMAUSO 2003: Spectral attenuation of solar ultraviolet radia tion in humic lakes in Central Finland. Chemosphere 51: 205-214.
JEFFREYS. W. & G. F. HUMPHREY 1975: New Spectrophometric Equations for determining Chlorophylls a, b, cl and c2 in higher plants, algae and natural phytoplnakton. Biochem. Physiol. Pflanzen 167: 191-194.
KARENTZ D., M. L. BOTHWELL, R. B. COFFIN, A. HANSON, G. J. HERNDL, S. S. KILHAM, M. P. LESSER, M. LINDELL, R. E. MOELLER, D. P. MORRIS, P. J. NEALE, R. W. SANDERS, C. S.
WEILER & R. G. WETZEL 1994: Impact of UV-B radiation on pelagic freshwater ecosystems: Report of working group on bacteria and phytoplankton. Ergeb. Limnol. 43: 31-69.
KENNER R. A. & S. I. AHMED 1975: Correlation between oxygen utilization and electron transport activity in marine phytoplankton. Mar. Biol. 33: 129-133.
NIELSEN T. 1996: Effects of ultraviolet radiation on marine phytoplankton. Ph.D. Thesis, Section of Plant Physiology, Lund University, 117 p.
PACKARD T. T. 1971: The measurement of respiratory electron-transport activity in marine phytoplank ton. J. Mar. Res. 29: 235-243.
ROZEMA J., J. VAN DE STAAIJ, L. 0. BJORN & M. CALDWELL 1997: UV-Bas an environmental factor in plant life: stress and regulation. Tree l2: 22-28.
SOMMARUGA R. & F. GARCIA PICHEL 1999: UV-absorbing mycosporine-like compounds in planktonic and benthic organisms from a high-mountain lake. Arch. Hydrobiol. 144: 255-269.
SULLIVAN J. H., A.H. TERAMURA & L. H. ZISKA 1992: Variation in UV-B sensitivity in plants from a 3000-m elevation gradient in Hawaii. Am. J. Bot. 79: 737-743.
TOTH G. L., P. CARRILO & L. CRUZ-PIZARRO 1995: respiratory electron transport system (ETS)-activi ty of the plankton and biofilm in the high-mountain lake La Caldera (Sierra Nevada, Spain). Arch. Hydrobiol. 135(1): 65-78.
VALDERRAMA J.C. 1981: The simultaneous analysis of total nitrogen and total phosphorus in natural waters. Mar. Chem. 10: 109-122.
VILLAFANE V. E., M. ANDRADE, V. LAIRANA, F. ZARATTI & E.W. HELBLING 1999: Inhibition of phytoplankton photosynthesis by solar ultraviolet radiation: Studies in Lake Titicaca, Bolivia. Freshwater Biol. 42: 215-224.
WILLIAMSON C. E. 1995: What role does UV-B radiation play in freshwater ecosystems? Limnol. Oceanogr. 40: 386-392.
WINKEL-SHIRLEY B. 2002: Biosynthesis of flavonoids and effects of stress. Curr. Opin. Plant Biol. 5: 218-223.
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