Seasonal changes in the contents of nutrients in five macrophyte species from the lake Velenjsko jezero (Slovenia)


  • Zdenka Mazej
  • Matej Germ



lake, total nitrogen, total phosphorus, Nuphar luteum (L.) Sibth et Sm., Najas marina L., Najas minor All., Potamogeton lucens L. and Potamogeton pectinatus L.


The study was designed to depict the seasonal dynamic in relative abundance of macrophyte species, nutrient availability and their content in macrophytes to assess the capability of different species to store nutrients in nutrient rich lake Velenjsko jezero. The concentrations of total nitrogen and total phosphorus in the lake sediment, water and aboveground biomass of macrophytes (Nuphar luteum, Najas marina, Najas minor, Potamogeton lucens andPotamogeton pectinatus) were measured at three locations monthly from June to September 2004. Seasonal variability in the contents of total phosphorus in macrophyte tissues was high, but all examined species reached similar maximal concentration in the beginning of their growth. Later in the season, concentrations declined to a high degree. Seasonal variability in the contents of total nitrogen was smaller. Floating-leaved species Nuphar luteum was present in a low amounts and contained much more total nitrogen in its above-ground tissues than the submersed species. Because of different species lifespans, differences in the content of nutrients among species were very high in particular month. Nuphar luteum, Najas minor and Potamogeton lucens were rarely present in the lake and they contributed less to storing nutrients in their biomass. Potamogeton pectinatus was commonly present in the early summer, but in August Najas marina prevailed by far and its growth had high effect on the concentration of nutrients in sediment and water. Thereforenremoving of 1 t dry weight of Najas marina biomass from the lake would contribute to removal of 2.7 kg of phosphorus and 28.2 kg of nitrogen from the lake.


Agami M. & Waisel Y. 1986: The ecophysiology of roots of submerged vascular plants. – Végétale 24: 607–624.

Boston, H. L., Adams, M. S., Madsen, J. D. 1989: Photosynthetic strategies and productivity in aquatic systems. Aquatic Botany 34: 27–57. DOI:

Carignan R. 1982: An empirical model to estimate the relative importance of roots in phosphorus uptake by aquatic macrophytes. Canadian Journal Fisheries and Aquatic Sciences 39: 243–247. Carr g. m. & Chambers p. a. 1998: Macrophyte growth and sediment phosphorus and nitrogen in a Canadian prairie river. Freshwater Biology 39: 525–536. DOI:

Chambers, P. A., Prepas E. E., Bothwell M. L. & Hamilton H. R. 1989: Roots versus shoots in nutrient uptake by aquatic macrophytes in flowing waters. Canadian Journal Fisheries and Aquatic Sciences 46: 435–439. DOI:

Fernández-Aláez M., FernánDez-Aláez C. & BéCares E. 1999: Nutrient content in macrophytes in Spanish shallow lakes. Hydrobiologia 408/409: 317–326. DOI:

FurtaDo a. l. s. 1998: Ash free dry weight, organic carbon, nitrogen and phosphorus content of Typha domingensis Pers. (Thyphaceae) and aquatic macrophyte. Verhandlungen – Internationale Vereinigung für Limnology 26: 1842–1845. DOI:

Garbey C., Murphy K. J., Thiébaut G. & Muller S. 2004: Variation in P-content in aquatic plant tissues offers an efficient tool for determining plant growth strategies along a resource gradient. Freshwater Biology 49: 346–356. DOI:

Gerloff G. C. & Krombholz P. H. 1966: Tissue analysis as a measure of nutrient availability for the growth of angiosperm aquatic plants. Limnology and Oceanography 11: 529–537. DOI:

International standard ISO 11261:1995. Soil quality – Determination of total nitrogen – Modified Kjeldahl method. Brussels, Belgium.

International standard ISO 11263:1995. Soil quality – Determination of phosphorus – Spectrometric determination of phosphorus soluble in sodium hydrogen carbonate solution. Brussels, Belgium. International standard ISO 10304–2: 1995. Water quality – Determination of dissolved anions by liquid chromatography of ions – Part 2: Determination of bromide, chloride, nitrate, nitrite, orthophosphate and sulfate in waste water. Brussels, Belgium.

International standard ISO 6878:2004. Water quality – Determination of phosphorus – Ammonium molybdate spectrometric method. Brussels, Belgium.

Jackson l. J. & Kalff J. 1993: Patterns in metal content of submerged aquatic macrophytes: the role of plant growth form. Freshwater Biology 29: 351–359. DOI:

Kohler A. 1978: Methoden der Kartierung von Flora und Vegetation von Süßwasserbiotopen. Landschaft und Stadt 10: 78–85.

Kufel L. & Kufel I. 2002: Chara beds acting as nutrient sinks in shallow lakes – a review. Aquatic Botany 72: 249–260. DOI:

Mazej Z. & M. Epšek 2005. The macrophytes of lake Velenjsko Jezero, Slovenia – the succession of macrophytes after restoration of the lake. Acta Biologica Slovenica 48: 21–31.

OECD 1982: Eutrophication of waters, monitoring, assessment and management. Paris.

ÖNORM L 1088: 2005. Chemische Bodenuntersuchungen. Bestimmung von pflanzenverfugbarem Phosphat und Kalium nach der Doppel-Lactat (DL)-Methode. Wien, Austria.

Palma-Silva C., Albertoni E. F. & Estevas F. A. 2002: Clear water associated with biomass and nutrient variation during the growth of a Charophyte stand after a drawdown, in a tropical coastal lagoon. Hydrobiologia 482: 79–87. DOI:

SharDenDu & Ambasht R. S. 1991: Relationship of nutrient in water with biomass and nutrient accu- mulation of submerged macrophytes of a tropical wetland. New Phytology 117: 493–500. DOI:

Šterbenk E., 1999. Šalek Lakes. Pozoj Velenje.

Swanepoel J. H. & Vermaak J. F. 1977: Preliminary results on the uptake and release of 32P by Pota- mogeton pectinatus. Journal of the Limnological Society of Southern Africa 3: 63–65. DOI:

Taheruzzaman Q. & Kushari D. P. 1989: Evaluation of some common aquatic macrophytes cultivated in enriched water as possible source of protein and biogas. Hydrobiologia 23: 207–212. DOI:

Vitousek P. M. 1982: Nutrient cycling and nutrient use efficiency. American Naturalist 119: 553–572. DOI:

Wetzel r. 2001: Limnology, 3rd edition. Academic Press, New York, USA.

Wolverton B. C. & McDonald R. C. 1979: Upgrading facultative wastewater lagoons with vascular aquatic plants. J. Water Poll. Control Fed. 51: 305–313.






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How to Cite

Mazej, Z., & Germ, M. (2008). Seasonal changes in the contents of nutrients in five macrophyte species from the lake Velenjsko jezero (Slovenia). Acta Biologica Slovenica, 51(1), 3-11.

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