Competitive advantages of Najas marina L. in a process of littoral colonization in the lake Velenjsko jezero (Slovenija)

Zdenka Mazej; Mateja Germ

doi:10.14720/abs.51.1.15223

Authors

Zdenka Mazej
Mateja Germ

DOI:

https://doi.org/10.14720/abs.51.1.15223

Keywords:

artificial lake, physico-chemical and geomorphological characteristics of the lake, plant invasion, aquatic macrophytes, Najas marina L.

Abstract

Najas marina is the dominant macrophyte species in Velenjsko jezero. It appeared in the lake in 1997 and soon prevailed over the species Myriophyllum spicatum L. and Potamogeton crispus L., which used to be the two most abundant species in the lake in the past. The physicochemical and geomorphological characteristics of the lake are discussed in relation to the attributes of Najas marina, presenting competitive advantages in this environment. Conditions in the lake such as warm water and unstable sediment enabled successful growth and life strategy of Najas marina, which is a summer-annual plant with short life cycle, quick propagation from seeds and a very extensive root system.

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References

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

Ali M. M. & Soltan M. A. 2006: Expansion of Myriophyllum spicatum (Eurasian water milfoil) into Lake Nasser, Egypt: Invasive capacity and habitat stability. Aquat. Bot. 84: 239–244. DOI: https://doi.org/10.1016/j.aquabot.2005.11.002

Bolduan B. R., Van Eeckhout G. C., Quade H. W. & Gannon J. E. 1994: Potamogeton crispus – The Other Invader. – Lake and Reserv. Manage. 10: 113–125. DOI: https://doi.org/10.1080/07438149409354182

Bootsma M. C., Barendregt A. & Van Alphen J. C. A. 1999: Effectiveness of reducing external nutrient load entering a eutrophicated shallow lake ecosystem in the Naardemeer nature reserve. – The Netherlands. Biol. Conserv. 90: 193–201. DOI: https://doi.org/10.1016/S0006-3207(99)00027-0

Germ M., Urbanc-Berčič O., Janauer, G. A., Filzmoser P., Exler N. & Gaberščik A. 2008: Macrophyte distribution pattern in the Krka River – the role of habitat quality. Arch. Hydrobiol., Large rivers 18: 145–155. DOI: https://doi.org/10.1127/lr/18/2008/145

Handley R. J. & Davy A. J. 2000: Discovery of male plants of Najas marina L. (Hydrocharitaceae) in Britain. – Watsonia 23: 331–334.

Handley R. J. & Davy A. J. 2002: Seedling root establishment may limit Najas marina L. to sediment of low cohesive strength. Aquat. Bot. 73: 129–136. DOI: https://doi.org/10.1016/S0304-3770(02)00015-3

Hodnik A. 1988. Kemične analize talnih vzorcev, rastlinskih vzorcev in odcednih vod (Chemical analyses of soil and plant samples and leachate), Biotechnical Faculty, Ljubljana.

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 SIST ISO 14235: 1999: Soil quality – Determination of organic carbon by sulfochromic oxidation. Brussels, Belgium.

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

Kohler A. 1978: Methoden der Kartierung von Flora und Vegetation von Süßwasserbiotopen. – Landschaft und Land 10 (2): 78–85.

Lindner A. 1978: Soziologisch-ökologische Untersuchungen an der submersen Vegetation in der Boddenkette südlich des Darß und Zingst. – Limnologica 11: 299–305. DOI: https://doi.org/10.1515/9783112535646-001

Mazej Z. 1998: Macrophytes in the different types of lakes: Species composition and species vitality: Master of Science thesis. University of Ljubljana, p 104.

Mazej Z. & GaberščiK A. 1999: Species composition and vitality of macrophytes in different types of lakes. Acta biologica Slovenica 42 (3): 43–52.

Mazej Z. & Epšek, M. 2005: The macrophytes of Lake Velenjsko Jezero, Slovenia – the succession of macrophytes after restoration of the lake. – Acta Biologica Slovenica 48 (1): 21–31.

Nausch G. & Schlungbaum G. 1984: Sediment-chemical investigations in the coastal waters of the GDR. 17. Special investigations on the dynamics of the surface sediments of shallow boden water (Barther Bodden). – Acta Hydrochim Hydrobiol 12 (1–2): 61–72. DOI: https://doi.org/10.1002/aheh.19840120112

niChols s. a. & shaW b. h. 1986: Ecological life histories of the three aquatic nuisance plants, Myrio- phyllum spicatum, Potamogeton crispus and Elodea canadensis. – Hydrobiol 131: 3–21. DOI: https://doi.org/10.1007/BF00008319

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

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

peralta g., bouma t. j., van soelen j., perez-lorens j. l.& hernanDez i. 2003: On the use of se- diment fertilization for seagrass restoration: a mesocosm study on Zostera marina L. Aquat Bot 75: 95–110. DOI: https://doi.org/10.1016/S0304-3770(02)00168-7

proCtor v. W. 1967: Storage and germination of Chara oospores. J Phycol 3: 40–92. DOI: https://doi.org/10.1111/j.1529-8817.1967.tb04638.x

sCulthorpe C. D. 1967: The Biology of Aquatic Vascular Plants. Edward Arnold, London.

selig u., sChubert m., aggert a., steinharDt t., sagert s. & sChubert h., 2007: The influence of sediment on soft bottom vegetation in inner coastal waters of Mecklenburg-Vorpommern (Ger- many). Estuarine, Coastal and Shelf Science 71 (1–2): 241–249. DOI: https://doi.org/10.1016/j.ecss.2006.07.015

simons j., ohm m., DaalDer r., boers p. & rip W. 1994: Restoration of Botshol (the Netherlands) by reduction of external nutrient load – recovery of a characean community, dominated by Chara connivens. -Hydrobiologia 276: 243–253. DOI: https://doi.org/10.1007/978-94-017-2460-9_21

stelzer D., sChneiDer s. & melzer a. 2005: Macrophyte-based assessment of lakes – a contribution to the implementation of the European Water Framework Directive in Germany. International Review of Hydrobiol 90 (2): 223–237. DOI: https://doi.org/10.1002/iroh.200410745

Šterbenk e., 1999: Šalek Lakes. Pozoj, Velenje.

titus j. e. & hoover D. t. 1991: Towards predicting reproductive success in submersed angiosperms. DOI: https://doi.org/10.1016/0304-3770(91)90041-3

Aquat Bot 41: 111–136.

tobiessen p. & snoW p. D. 1984: Temperature and light effects on the growth of Potamogeton crispus

in Collins Lake, New York State. Can J Bot 62: 2822–2826.

van WijCk C., grillas p., Degroot C. j., ham l. t. 1994: A comparison between the biomass pro- duction of Potamogeton pectinatus L. and Myriophyllum spicatum L. in the Camargue (southern France) in relation to salinity and sediment characteristics. – Vegetatio 113: 171–180. DOI: https://doi.org/10.1007/BF00044233

Vreš b. & M. Kaligarič 1999: Rastlinski svet. – In: vogrin m. & vogrin N. (eds.): Krajinski park Rački ribniki – Požeg: vodnik. (Nature park Rački ribniki – Požeg: guidebook). Association for bird study and nature conservation, Rače.