Epilithic biomass in an outflow stream at Potter Peninsula, King George Island, Antarctica
The epilithic biomass of an outflow stream at Potter Peninsula (King George Island, Antarctica) was studied from November 1996 to February 1997 by means of chlorophyll a concentration, dry weight and ash-free dry weight. The Autotrophic Index and the Lakatos classification were also used in order to...
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Springer Verlag
2000
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| LEADER | 07986caa a22007097a 4500 | ||
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| 001 | PAPER-2133 | ||
| 003 | AR-BaUEN | ||
| 005 | 20230518203131.0 | ||
| 008 | 190411s2000 xx ||||fo|||| 00| 0 eng|d | ||
| 024 | 7 | |2 scopus |a 2-s2.0-0033645414 | |
| 040 | |a Scopus |b spa |c AR-BaUEN |d AR-BaUEN | ||
| 030 | |a POBID | ||
| 100 | 1 | |a Pizarro, H. | |
| 245 | 1 | 0 | |a Epilithic biomass in an outflow stream at Potter Peninsula, King George Island, Antarctica |
| 260 | |b Springer Verlag |c 2000 | ||
| 270 | 1 | 0 | |m Pizarro, H.; Departamento de Ciencias Biologicas, Fac. de Ciencias Exactas y Naturales, Universidad de Buenos Aires, C1428 EHA Buenos Aires, Argentina; email: hay@bg.fcen.uba.ar |
| 506 | |2 openaire |e Política editorial | ||
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| 504 | |a Caulkett, A.P., Ellis-Evans, J.C., Chemistry of streams of Signy Island, maritime Antarctic: Sources of major ions (1997) Antarct Sci, 9, pp. 3-11 | ||
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| 504 | |a Ellis-Evans, J.C., Microbial diversity and function in Antarctic freshwater ecosystems (1996) Biodivers Conserv, 5, pp. 1395-1431 | ||
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| 504 | |a Lakatos, G., Composition of reed periphyton (biotecton) in the Hungarian part of lake Ferto (1989) Biol Forsch Burg, 71, pp. 125-134 | ||
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| 504 | |a Marker, A.F.H., Nusch, E.A., Rai, H., Riemann, B., The measurement of photosynthetic pigments in freshwater and standardisation of methods: Conclusions and recommendations (1980) Arch Hydrobiol Beih Ergebn Limnol, 14, pp. 91-106 | ||
| 504 | |a McKnight, D.M., Tate, C.M., McMurdo LTER: Algal mat distribution in glacial meltwater streams in Taylor Valley, southern Victoria Land, Antarctica (1995) Antarct J US, 30, pp. 287-289 | ||
| 504 | |a Pizarro, H., Vinocur, A., Cuerpos de agua loticos de Bahia Esperanza (Antartida). Comparacion en base a parametros fisico-quimicos y a la comunidad de algas epiliticas (1998) Contrib Inst Antart Argent, 465, pp. 1-23 | ||
| 504 | |a Pizarro, H., Izaguirre, I., Tell, G., Epilithic algae from a freshwater stream at Hope Bay, Antarctica (1996) Antarct Sci, 8, pp. 161-167 | ||
| 504 | |a Unrein, F., Vinocur, A., Phytoplankton structure and dynamics in a turbid Antarctic lake (Potter Peninsula, King George Island) (1999) Polar Biol, 22, pp. 93-101 | ||
| 504 | |a Vergani, D.F., Stanganelli, E.B., Fluctuations in breeding populations of elephant seals (Mirounga leonina) at Stranger Point, King George Island 1980-1988 (1990), pp. 241-245. , Kerry KR, Hempel G (eds) Antarctic ecosytems ecological change and conservation. Springer, Berlin Heidelberg New York; Vincent, W.F., Howard-Williams, C., Broady, P.A., Microbial communities and processes in Antarctic flowing waters (1993), pp. 543-569. , Antarctic microbiology. Wiley, Chichester | ||
| 520 | 3 | |a The epilithic biomass of an outflow stream at Potter Peninsula (King George Island, Antarctica) was studied from November 1996 to February 1997 by means of chlorophyll a concentration, dry weight and ash-free dry weight. The Autotrophic Index and the Lakatos classification were also used in order to characterize the epilithic community. Several physical and chemical parameters were analyzed. Snow and ice melt greatly increased water flow through Tres Hermanos Lake and in the stream. Chlorophyll a concentrations fluctuated between undetectable and 3.5 μg cm-2 with a marked increase, which averaged 3 orders of magnitude, towards the end of the study period. Dry weight ranged between 299.9 and 13,118.7 μg cm-2 and ash-free dry weight between 70.8 and 996.9 μg cm-2. According to the Autotrophic Index and the Lakatos classification, the epilithon of the stream had a low mass with low organic component and large amount of inorganic sediment. The organic matter comprised a low proportion of chlorophyll a and a major proportion of probably detritus or bacteria, rather than fauna. |l eng | |
| 536 | |a Detalles de la financiación: Instituto Antártico Argentino | ||
| 536 | |a Detalles de la financiación: Acknowledgements The present study was financially supported by the Instituto Antártico Argentino (DNA). We thank Dr. Inés O'Farrell for correcting the English version. Lic. E. Astrada and V. Cirelli provided unpublished information about stream morphometry. We also thank Dr. G. Tell, Dr. Paul Broady, Dr. Enn Kaup and an anonymous referee for their useful comments that improved this paper. | ||
| 593 | |a Departamento de Ciencias Biologicas, Fac. de Ciencias Exactas y Naturales, Universidad de Buenos Aires, C1428 EHA Buenos Aires, Argentina | ||
| 690 | 1 | 0 | |a BIOMASS |
| 690 | 1 | 0 | |a EPILITHON |
| 690 | 1 | 0 | |a LAKE ECOSYSTEM |
| 690 | 1 | 0 | |a OUTFLOW |
| 690 | 1 | 0 | |a ANTARCTICA |
| 690 | 1 | 0 | |a KING GEORGE ISLAND |
| 690 | 1 | 0 | |a SOUTH SHETLAND ISLANDS |
| 700 | 1 | |a Vinocur, A. | |
| 773 | 0 | |d Springer Verlag, 2000 |g v. 23 |h pp. 851-857 |k n. 12 |p Polar Biol. |x 07224060 |t Polar Biology | |
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| 856 | 4 | 0 | |u https://doi.org/10.1007/s003000000164 |y DOI |
| 856 | 4 | 0 | |u https://hdl.handle.net/20.500.12110/paper_07224060_v23_n12_p851_Pizarro |y Handle |
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