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Ionuţ Ştefan Iorgu and Elena Iulia Iorgu


The bush-cricket Isophya zubowskii Bey-Bienko, 1954 was surveyed in the period 2002- 2012 in 11 locations from Romania. The calling song, described hereby for the first time, consists of a long series of syllables, each formed by 85-118 impulses and lasting for 236-319 ms in the populations near Iaşi, while the individuals from three other populations in Southern Romania produce shorter syllables, consisting of 74-105 impulses and, lasting for 182-251 ms. Sound frequency ranges in the interval 10-40 kHz, with highest peak at about 18-26 kHz. Based on the description of its calling song, we conclude that Isophya zubowskii belongs to the Isophya kraussii species group.

Open access

Antoni Rogóż and Monika Tabak


The aim of the research was to determine the concentration of selected macroelements in soil and in root crops (potatoes and fodder beets) at a variable soil reaction. The changes in pH values in the studied soils influenced the content of these elements in soluble forms determined in 0.1 mol HCl·dm-3. A statistical analysis showed a positive relationship between the soil pH value and the calcium and magnesium contents in a form close to the total form, as well as the content of soluble forms of phosphorus, calcium, and magnesium. The content of the studied macroelements, i.e. phosphorus, calcium, magnesium in the cultivated fodder beets and potatoes depended on abundance and form in which the studied elements occurred in soil, and also on specie and analyzed part of the plant. Along with the increase in pH values of the an increase in the phosphorus content and reduction of the magnesium content in the roots and above-ground parts of the beets were found. The calcium content in the roots increased along with an increase in pH of the soils, whereas direction of changes in the content of this element in the petioles and laminae of the beets was not unambiguous. A slight decrease in the content of the studied elements in the potato tubers (along with the increase in pH of the soils) was found.

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Vladimír Frišták, Michaela Valovčiaková, Martin Pipíška and Jozef Augustín

References BABEL, S., DACERA, D.D.M.: Heavy metal removal from contaminated sludge for land application. J. Waste Manag., 26, 2006, 988-1004. FUENTES, A., LLORENS, M., SAEZ, J., SOLER, A., AGUILAR, M., ORTUNO, F.: Phytotoxicity and heavy metals speciation of stabilized sewage sludges. J. Hazard. Mater., 108, 2004, 161-169. HETTIARACHCHI, R.M., PIERZYNSKI, R.M.: Soil lead bioavailability and in situ remediation of lead-contaminated soils: A review. Environ. Prog., 23, 2004, 78

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Lidia Dąbrowska

-4261. 7. Li M., Zang S., Xiao H., Wu Ch.: Speciation and distribution characteristics of heavy metals and pollution assessments in the sediments of Nashina Lake, Heilongjiang, China, Ecotoxicology, 23, (2014) 681-688. 8. Loska K., Wiechuła D., Pęciak G.: Wykorzystanie analizy specjacyjnej w badaniu biodostępności metali w osadzie dennym Zbiornika Rybnickiego, Problemy Ekologii, 7, 2 (2003) 69-74. 9. MacDonald D.D., Ingersoll C.G., Berger T.A.: Development and evaluation of consensus-based sediment quality guidelines for freshwater

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Beata Kuziemska, Wiesław Wieremiej, Dawid Jaremko and Beata Bik

molibdenu w glebie i życicy wielokwiatowej (Lolium Multiflorum Lam.). Ochrona Środowiska i Zasobów Naturalnych 40: 660–668. SZUMSKA (WILK) M., GWOREK B. 2009. Metody oznaczania frakcji metali ciężkich w osadach ściekowych. Ochrona Środowiska i Zasobów Naturalnych 41: 42–63. TESSIER A., CAMPBELL P.G.C., BISSON M. 1979. Sequential extraction procedure for the speciation of particulate trace metals. Analytical Chemistry 51, 7: 344–351. ZHOU D.M., HAO X.Z., TU C., CHEN H.M., SI Y.B. 1998. Speciation and fractionation of heavy metals in soil

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Romano Božac and Ivan Širić

References CERUTI, A., 1961: Revisione di alcune specie di Elafomicetali e di Tuberali dell America del nord. Allionia 7, 1-25. CERUTI, A., FONTANA, A., NOSENZO, C., 2003: Le specie Europee del genere Tuber Una revisione storico, Museo Regionale di Scienze Naturali, Torino. CHEVALIER, G., DELMAS, C., FROCHOT, H., RIOUSSET L., 1979: L'espèce Tuber aestivum Vitt.: I. definition. Mushroom Science 109, 57-975. DONADINI, J. C., RIOUSSET, L., RIOUSSET, G., CHEVALIER, G., 1978: Tuber

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S. V. Mezhzherin, E. I. Lashkova, I. I. Kozinenko, A. V. Rashevskaya and V. M. Tytar

References Conrad, O., Bechtel, B., Bock, M. et al. 2015. System for Automated Geoscientific Analyses (SAGA) v. 2.1.4. Geoscientific Model Development Discussions, 8 (2), 2271-2312. Barton, N. H., Hewitt, G. M. 1985. Analysis of hybrid zones. Ann. Rev. Ecol. Syst., 16, 113-148. Barton, N. H., Hewitt, G. M. 1989. Adaptation, speciation and hybrid zones. Nature, 341, 497-503. Elith, J., Graham, C. H., Anderson, R. P. et al. 2006. Novel methods improve prediction of species’ distributions from

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Piotr Z. Białooki

, Berlin. M agnano L. 2002. Due nuove specie di Otiorhynchus e note su altre species del sottogenere Nihus R eitter , 1912 (Coleoptera Curculionidae Polydrusinae). Redia 84 : 23–31. M agnano L. 2003. Una nuova specie di Parameira di Turchia (Coleoptera, Curculionidae). Bollettino della Societa Entomologica Italiana 134 : 245–252. M agnano L., A lonso -Z arazaga M.A. 2013. Tribe Otiorhynchini S choenherr , 1826. [in:] I. L öbl , A. S metana (eds.). Catalogue of Palaearctic Coleoptera. Volume 8. Curculionoidea II. Brill, Leiden and Boston, 302

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Magdalena Jabłońska-Czapla, Sebastian Szopa and Czesława Rosik-Dulewska

-Kwaterczak U. & Helios-Rybicka E. (2009). Contaminated sediments as a potential source of Zn, Pb, and Cd for a river system in the historical metalliferous ore mining and smelting industry area of South Poland, Journal of Soils and Sediments , 9, 13. [4] Allen J.R.L., Rae J.E. & Zanin P.E. (1990). Metal speciation (Cu, Zn, Pb) and organic matter in an oxic salt marsh, Severn Estuary, southwest Britain, Marinen Pollution Bulletin , 21, 574. [5] Barbusinski K. & Nocon W. (2011). Heavy Metal Compounds in the Bottom Sediments of the River Klodnica (Upper Silesia). Ochrona

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Zahra Khoshnood, Reza Khoshnood and Mehdi Ghobeitihasab


Human interventions on the Earth’s natural systems are evident even in remote regions of the Antarctic and rain forests deep within the Amazon. In addition to human-induced climate change and habitat destruction, an emerging anthropogenic threat to biodiversity is the drastic species re-distribution (the movement of species from one place to another due to human intervention) at a global scale.

This creates fertile conditions for biological invasions which in turn cause substantial economic and ecological losses. These human-mediated invasions, often referred to as “biological pollution”, are a worldwide problem that is increasing in frequency and magnitude, causing significant damage to the environment, economy and human health. Bioinvasions have strong impact on biodiversity and ecosystem functioning and stability. They are ranked as the second most important threat to biodiversity (after habitat destruction) by the World Conservation Union.

The Ctenophore, Mnemiopsis leidyi, is one of the invasive species that naturally lives in the Atlantic coastal waters of North America and South America, but discovered in Azov, Black, Caspian, North, Baltic and Mediterranean (north-eastern part) seas in early 1980s.

It seems that the main factor of its redistribution was the ballast waters of ships. As an alien species, Mnemiopsis leidyi caused many alterations in the Caspian Sea ecosystems. The fact that it feeds on the eggs of native fish Clopeonella spp., has resulted in a significant decline of its population; Clopeonella spp. were the main source of industrial fishing in the Caspian Sea and also the main source of food for precious fish species, the sturgeons, and therefore, their decline has caused a huge economical loss for the area's inhabitants and a significant decline of sturgeon populations.

This species has caused massive ecosystem changes and substantial economic losses in the late 1980s-1990s, and it has been recognized as a problem of main ecological concern for the sustainable development of the region, together with the high level of anthropogenic pressures on the Caspian Sea ecosystems. Some special characteristics of this species, such as adaptation to a wide range of salinity and temperature, high capability of reproduction, hermaphroditism and dissogeny, have led to huge increases of its mass, especially in southern regions of the Caspian Sea, the coastal waters of Iran. In addition, it has become clear that this species does not have any natural predators in the Caspian Sea, and also that it can feed on any organisms smaller than itself in size. Owing to these facts, it is a huge ecological threat for the Caspian Sea ecosystems. The aim of the present paper is to review the biological and ecological impacts of this invasive species on the Caspian Sea ecosystems.