Skadar Lake is the largest shallow lake in southeastern Europe. It is located within a national park, and is included in the Ramsar List of international important wetlands, so its preservation and protection from pollution is very important. The aim of this study was to investigate bioaccumulation of the ecotoxic metals Cd, Pb and Cr from sediments of Skadar Lake in the aquatic macrophyte Trapa natans L. Samples of sediment and plants were collected at nine locations covering all major water inputs to the lake as well as locations where contamination could be expected. The obtained results indicate that sediments from the Skadar Lake are only locally contaminated with Cd (0.03–1.18 mg kg−1), generally contaminated with Cr (15.8–180 mg kg−1), the concentrations of both elements frequently exceeding sediment quality guidelines, while concentrations of Pb were low (2.7–17.4 mg kg−1). The highest bioaccumulation of all metals from sediment to Trapa natans L. was observed in the root, with accumulation efficiency decreasing in the order Cd > Cr > Pb. Translocation from root to stem was also higher for Cd than for Cr and Pb, while the translocation from stem to leaf was comparable for all three metals. From the three investigated metals Cd showed the highest mobility. The results indicate that Trapa natans L. may be a very promising bioindicator of trace metal contamination in Skadar Lake.
Baldantoni D. Alfani A. Di Tommasi P. Bartoli G. De Santo A.V. 2004: Assessment of macro and microelement accumulation capability of two aquatic plants. Environmental Pollution 130 149–156.
Boes X. Rydberg J. Martinez-Cortizas A. Bindler R. Renberg I. 2011: Evaluation of conservative lithogenic elements (Ti Zr Al and Rb) to study anthropogenic element enrichments in lake sediments. Journal of Paleolimnology 46 75–87.
Camarero L. Botev I. Muri G. Psenner R. Rose N. Stuchlik E. 2009: Trace elements in alpine and arctic lake sediments as a record of diffuse atmospheric contamination across Europe. Freshwater Biology 54 2518–1532.
Cardwell A. J. Hawker D. W. Greenway M. 2002: Heavy metal accumulation in aquatic macrophytes from southeast Queensland Australia. Chemosphere 48 653–663.
Clemens S. Palmgren M. G. Kramer U. 2002: A long way ahead: understanding and engineering plant metal accumulation Trends in Plant Science 7 308–315.
Filgueiras A. V. Lavilla I. Bendicho C. 2004: Evaluation of distribution mobility and binding behaviour of heavy metals in surficial sediments of Luoro River (Galicia Spain) using chemometric analysis: a case study. Science of the Total Environment 330 115–129.
Guilizzoni P. 1991: The role of heavy metals and toxic materials in the physiological ecology of submersed macrophytes. Aquatic Botany 41 87–109.
Kastratović V. Krivokapić S. Bigović M. Đurović D. Blagojević N. 2014: Bioaccumulation and translocation of heavy metals by Ceratophyllum demersum from the Skadar Lake Montenegro. Journal of the Serbian Chemical Society 79 1445–1460.
Kastratović V. Krivokapić S. Đurović D. Blagojević N. 2013: Seasonal changes in metal accumulation and distribution in the organs of Phragmites australis (common reed) from Lake Skadar Montenegro. Journal of the Serbian Chemical Society 78 1241–1258.
Kumar M. Chikara S. Chand M. K. Bhatnagar A. K. 2002: Accumulation of lead cadmium zinc and copper in the edible aquatic plants Trapa bispinosa Roxb. and Nelumbo nucifera Gaertn. Bulletin of Environmental Contamination and Toxicology 69 649–654.
Kumar J.I. N. Soni H. Kumar R. N. 2006: Biomonitoring of selected freshwater macrophytes to assess lake trace element contamination: a case study of Nal Sarvar Bird Sanctuary Gujarat India. Journal of Limnology 65 9–16.
MacDonald D. D. Ingersoll C. G. Berger T. A. 2000: Development and evaluation of consensus-based sediment quality guidelines for freshwater ecosystems. Archives of Environmental Contamination and Toxicology 39 20–31.
Marchand L. Mench M. Jacpb D. L. Otte M. L. 2010: Metal and metalloid removal in constructed wetlands with emphasis on the importance of plants and standardized measurements: A review. Environmental Pollution 158 3447–3461.
Mazej Z. Germ M. 2009: Trace element accumulation and distribution in four aquatic macrophytes. Chemosphere 74 642–647.
Mazej Z. Al Sayegh-Petkovšek Pokorny B. 2010: Heavy metal concentrations in food chain of lake Velenjsko jezero Slovenia: an artificial lake from mining. Archives of Environmental Contamination and Toxicology 58 998–1008.
Mikac I. Fiket Ž. Terzić S. Barešić J. Mikac N. Ahel M. 2011: Chemical indicators of anthropogenic impacts in sediments of the pristine karst lakes. Chemosphere 84 1140–1149.
Rai P. K. 2009: Heavy metal phytoremediation from aquatic ecosystem with special reference to macrophytes. Critical Review in Environmental Science and Technology 39 697–753.
Rai U. N. Sinha S. Chandra P. 1996: Metal biomonitoring in water resources of Eastern Ghats Karaput (Orissa) India by aquatic plants. Environmental Monitoring and Assessment 43 125–137.
Rai U. N. Sinha S. 2001: Distribution of metals in aquatic edible plants Trapa natans (Roxb.) Makino and Ipomoea aquatica Forsk. Environmental Monitoring and Assessment 70 241–252.
Sawidis T. Chettri M. K. Zachariadis G. A. Stratis J. A. 1995: Heavy metals in aquatic plants and sediments from water systems in Macedonia Greece. Ecotoxicology and Environmental Safety 32 73–80.
Schreck E. Foucault Y. Sarret G. Sobanska S. Cecillon L. Cas trec-Rouelle M. Uzu G. Dumat C. 2012: Metal and metalloid foliar uptake by various plant species exposed to atmospheric industrial fallout: Mechanisms involved for lead. Science of the Total Environment 427–428 253–262.
Stešević D. Feiler U. Sundić D. Mijović S. Erdinger L. Seiler T. B. Heininger P. Hollert H. 2007: Application of a new sediment contact test with Myriophyllum aquaticum and of the aquatic Lemna test to assess the sediment quality of Lake Skadar. Journal of Soils and Sediments 7 342–349.
Sweta Bauddh K. Singh R. P. Singh R. P. 2015: The suitability of Trapa natans for phytoremediation of inorganic contaminants from the aquatic. Ecological Engineering 93 39–42.
Vardanyan L. G. Ingole B. S. 2006: Studies of heavy metal accumulation in aquatic macrophytes from Sevan (Armenia) and Carabolim (India) lake system. Environment International 32 208–218.
Vemić M. Rousseau D. Du Laing G. Lens P. 2014: Distribution and fate of metals in the Montenegrin part of Lake Skadar. International Journal of Sediment Research 29 357–367
Wang Q. Cui Y. Dong Y. 2002: Phytoremediation of polluted waters. Potentials and prospects of wetland plants. Acta Biotechnologica 22 199–208.
Wedepohl K.H. 2004: The composition of Earth’s upper crust natural cycles of elements natural resources. In: Merien E. Anke M. Inhat M. Stoeppler M. (eds.) Elements and their compounds in the environment Vol 1. General Aspects 3–16. Wiley-VHC Verlag Gmbh and Co. KGaA Weinheim.
Whitton B. Kelly M. 1995: Use of algae and other plants for monitoring rivers. Australian Journal of Ecology 20 45–56.