Vukan Lavadinović, Zoran Popović, Zoran Ristić and Dejan Beuković
Lavadinović V., Popović Z., Ristić Z., Beuković D.: Threats and international tools for sustainable brown bear (Ursus arctos L.) management. Ekologia (Bratislava), Vol. 32, No. 4, p. 345-351, 2013.
Negative relation between humans and large carnivores with unprofitable management caused a decrease in abundance of the latter within their natural habitat. Main reasons for negative attitudes of humans towards large carnivores are damages, fear and unfamiliarity with their characteristics. Brown bear (Ursus arctos) is a European autochthonous large carnivore. Although it is not threatened at the global level, its abundance in Europe is limited to several populations. Protection has an important role in brown bear conservation, since they face different threats, mainly by negative human activities. Conservation of the brown bear is complicated due to its habitats overlapping with the human environment and also because brown bears require large territories. In order to protect brown bears more efficiently, it is important to identify the threats and to conduct the species protection by international recommendations and agreements. In this paper, we analysed brown bear distribution in Europe, abundance limitation factors and international conservation instruments.
Bakare, A.A., Lateef, A., Amuda, O.S., Afolabi, R.O., 2003, The aquatic toxicity and characterization of chemical and microbiological constituents of water samples from Oba River, Odo-Oba, Nigeria. Asian Journal of Microbiology, Biotechnology and Environmental Sciences, 5 : 11-17.
Bankole, M.T., Jimoh, O.T., Mohammed, I.A., AbdulKareem, A.S., 2014, A review on nanotechnology as a tool of change in Nigeria. Scientific Research and Essays, 9 : 213-223.
Bankole, O.M., 2018, Phytochemical and antimicrobial studies of colloidal silver
, V.M., Zaytseva, E.P., Malnik, V.V., Maksimova, N.V., Nepokrytykh, A.V., Shirokaya, A.A., Lukhnev, A.G., Popova, O.V., Potapskaya, N.V., Vishnyakov, V.S., Volkova, E.A., Zvereva, J.M. & Logacheva N.F. (2012). Biology of the coastal zone of Lake Baikal. 1. Overview of the current knowledge on the splash zone, first results of interdisciplinary investigations, monitoring as a basic tool in ecological research. The Bulletin of Irkutsk State University (Series: Biology, Ecology) , 5(3), 33−46.
Vinogradova, K.L. (1980). Identification guide of freshwater algae
Olexander Zhukov, Olga Kunah, Yulia Dubinina, Yulia Zhukova and Dmytro Ganzha
.F., Joseph, J.A. & Dolphin K. (2006). Absence of phylogenetic signal in the niche structure of meadow plant communities. Proc. R. Soc. B, 273, 39–44. DOI: 10.1098/rspb.2005.3288.
Smith, T.W. & Lundholm J.T. (2010). Variation partitioning as a tool to distinguish between niche and neutral processes. Ecography , 33, 648–655. DOI: 10.1111/j.1600-0587.2009.06105.x.
Standovár, T., Ódor, P., Aszalós, R. & Gálhidy L. (2006). Sensitivity of ground layer vegetation diversity descriptors in indicating forest naturalness. Community Ecol. , 7(2), 199–209. DOI: 10
Mirela Danubianu, Dragos Mircea Danubianu, Cristian Teodorescu and Lucian Constantin
Energy and environment are top priorities for the EU’s Europe 2020 Strategy. Both fields imply complex approaches and consistent investment. The paper presents an alternative to large investments to improve the efficiencies of existing (outdated) power installations: namely the use of data-mining techniques for analysing existing operational data. Data-mining is based upon exhaustive analysis of operational records, inferring high-value information by simply processing records with advanced mathematical / statistical tools. Results can be: assessment of the consistency of measurements, identification of new hardware needed for improving the quality of data, deducing the most efficient level for operation (internal benchmarking), correlation of consumptions with power/ heat production, of technical parameters with environmental impact, scheduling the optimal maintenance time, fuel stock optimization, simulating scenarios for equipment operation, anticipating periods of maximal stress of equipment, identification of medium and long term trends, planning and decision support for new investment, etc. The paper presents a data mining process carried out at the TERMICA - Suceava power plant. The analysis calls for a multidisciplinary approach, a complex team (experts in power&heat production, mechanics, environmental protection, economists, and last but not least IT experts) and can be carried out with lower expenses than an investment in new equipment. Involvement of top management of the company is essential, being the driving force and motivation source for the data-mining team. The approach presented is self learning as once established, the data-mining analytical, modelling and simulation procedures and associated parameter databases can adjust themselves by absorbing and processing new relevant information and can be used on a long term basis for monitoring the performance of the installation, certifying the soundness of managerial measures taken and suggesting further adjustments
We decided to focus our research on two basic forms of behaviour occurring in colonies of ground squirrels in semi-natural conditions of zoological gardens-foraging and resting behaviour.
Our main goal was to perform an analysis of behaviour of ground squirrels living in captivity and to compare these two categories of behaviour on a set timeline. Our research has been performed throughout the span of years 2011and 2012, during which we were able to observe two separate ground squirrel colonies (A, B). In the analytical part, we described the two main forms of ground squirrels’ behaviour in Zoo Bojnice and we subjected the compiled information to a thorough statistical analysis with the aid of main comparison tools. Based on long-term observation and the analysis of the results, we were able to gather detailed information about the two behaviour categories and their duration within a time frame.
The results from the year 2011 confirmed that ground squirrel’s behaviour, bred in captivity, the display of foraging behaviour is the most frequent during the day, as was also observed in wild ground squirrels recorded by Ambros (Ambros, 1999). Within the year 2011 (without human activity) foraging behaviour reaches two peaks with raised frequencies of display, in the daily time periods, the first from 9 to 11 am and the second from 2.30 to 5 pm. We noted a change in behaviour in 2012, when there was a reconstruction nearby the enclosures. These reconstructive activities influenced the behaviour (significant decrease of activity) of the ground squirrels in the presence of the assigned workers approximately until 3 pm, from which time-also in connection with the lessening of the worker’s presence-the foraging behaviour of ground squirrels began to rise rapidly, which held the peak on until 5 pm. Resting behaviour had only one peak with rising trend during the day in dependence on rising temperature of bedding in the enclosure, on which ground squirrels used to sunbathe. These findings give us valuable information about ground squirrels’ behaviour in captivity as well as behaviour influenced by human presence, what can be used in behavioural research of ground squirrels in the wild.
The Siret River are used as raw water source for different municipal water supply systems, yet the Siret River are used as receiving bodies by some inhabitants and industry. In the study the quality of the Siret River water was determinate using a Water Quality Index (WQI). Results are presented from a field study performed on the Bistrita, Moldova, Suceava, Siret, Şomuzu Mare, Trotuş and Tributary River in the study area Siret Basin Romania. The main objective of this study was to determine is to find correlations land use to indicators physical-chemical of water quality, to investigate pollution source is more responsible for river water quality. This is of interest not only research context, but also for supporting and facilitating the application analysis postullend in the Water Framework Directive (WFD) (2000/60/CE) for the establishment of programmers of measures. For this purpose a slightly impact pollution source municipal wastewater treatment, land uses, urban, forest, agriculture and mining was selected and intensively monitored during six years January 2006 - December 2011, sampling was determined to meet the WFD standards for confidence in twenty two different control section of the Siret Basin. The main measures to reduce emissions to the Siret River were calcium, ammonium, sulfate, residue fixed (RF), sodium, chloride, free detergent and municipal wastewater treatment, concentrated on point emission. The main contributor to diffuse this parameters increased when more percentage of land was dedicated to industry and urban and less to forest and mining.