16 research outputs found
Parasitofauna of freshwater fishes in the Serbian open waters: a checklist of parasites of freshwater fishes in Serbian open waters
No full textAs a result of freshwater fish parasitofauna investigations, throughout the past 75 years, the number of parasitic species is presented. This paper reviews the history, current state, and tendencies of the fish parasitofauna studies in Serbian open waters. Up to now, in total 170 parasitic species have been reported. Systematic parasitofauna investigations have been carried out on 54 freshwater fish species in waters of the Danube River Basin in Serbia, also in hill-mountanious watercourses, lakes and salmonid fishpond of Sjenicko-Pesterska plateau (south-west region of Serbia), Homolje area (east Serbia), and in Vlasina lake (south-east Serbia). This data review pointed that it is necessary to continue the investigation on fish parasites in Serbia. The data on freshwater fish parasites are important for evaluation of general influence on the community structure. © 2011 Springer Science+Business Media B.V.Ministry of Science and Technological Development of Republic of Serbi
Predstavnici pantljičara (cestoda) riba beogradskog sektora Dunava
Get PDFU radu su izneti rezultati dvogodišnjih istraživanja unutrašnjih parazita različitih vrsta riba Dunava u beogradskom sektoru, i u tom cilju je urađena identifikacija i prikazan je spisak crevnih parazita iz grupe pantljičare (Cestoda). Tokom istraživanja pregledene su ukupno 802 jedinke 22 vrste riba. Pregledom crevnog trakta riba, utvrđeno je da je parazitima zaraženo 140 jedinki 12 vrsta riba, odnosno 17.46%. U inficiranim jedinkama riba nađena su ukupno 13 crevna parazita koji pripadaju grupi Cestoda (pantljičare). Predstavljen je spisak vrsta faune crevnih panljičara, po vrsti ribe, međusobni odnos parazitskih vrsta, kao i njihova dinamika prisustva u jedinkama riba. Prikazane su vrednosti intenziteta (broj parazita po ribi) i ekstenziteta infekcije (% zaraženosti, broj zaraženih riba određenim parazitom).
Pantljičare su pljosnati, dorzo-ventralno spljošteni crvi, bez crevnog trakta. Telo im je podeljeno na članke (proglotise). Prednji kraj tela je skoleks i na njemu su smešteni organi za pričvršćivanje (pijavke, kukice). Iza njega je suženje (vratni region), a zatim sledi niz proglotisa. Razviće ovih parazita odvija se kroz smenu generacija (prelazni domaćin je oligoheta).
Tokom istraživanja, izdvojile su se određene parazitske vrste pantljičara (“hit paraziti”), koje inficiraju veliki broj vrsta riba. To su vrste Proteocephalus torulosus (7 vrsta riba), Caryophyllaeides fennica i Caryophyllaeus laticeps (6 vrsta riba). Vrsta ribe koja je inficirana sa najvećim brojem parazita je Abramis brama (12). U njenom crevu je identifikovana vrsta parazitske pantljičare sa najvišim intenzitetom infekcije - Caryophyllaeus laticeps (1-165).
Istraživana ihtiozajednica beogradskog sektora Dunava još uvek ima sastav koja se može okarakterisati autohtonom, uz napomenu da u toj fauni, nakon izgradnje HEPS „Đerdap“, nema više anadromnih jeseterskih vrsta (Acipenseridae). U zajednici se zapaža izrazita dominacija mirnih riba, pre svega krupatice (Bllica bjoerkna), bodorke (Rutilus rutilus) i deverike (Abramis brama). Većina konstantovanih vrsta riba mogu se smatrati predstavnicima zajednice gornjeg potamona, sa pojedinim elementima – vrstama riba zajednice donjeg ritrona.
Sprovedena studija je pokazala da je inficiranost riba Dunava u beogradskom regionu značajna, s obzirom na brojnost i raznovrsnost identifikovanih crevnih parazita grupe pantljičara. Podaci o konstatovanoj fauni crevnih pantljičara upotpunjuju i potvrđuju dosadašnja sporadična saznanja o njihovom rasprostranjenju u otvorenim vodama Srbije. Do sada je, u 75 godišnjim izučavanjima parazitofaune riba površinskih voda Srbije, nađeno ukupno 170 parazita (ekto- i endo-). Od toga, grupi pantljičara (Cestoda) pripada 19 taksona
Paraziti crevnog trakta deverike abramis brama (linnaeus, 1758) Dunava u beogradskom delu toka
Get PDFIzučavanje parazitofaune riba prirodnih voda od izuzetnog je značaja, ne samo u naučnom pogledu, već i za njihov uspešan intenzivan način gajenja u akvakulturi. U radu su predstavljeni rezultati istraživanja crevnih parazitskih vrsta deverike Abramis brama L. 1758. Primerci riba su sakupljeni tokom perida 2007–2009 na dva lokaliteta uzorkovanja duž toka reke Dunav koji protiče kroz beogradski region. Ukupno je pregledano 177 jedinki deverike različite starosti (2+ to 6+). Prtisustvo crevnih parazitskih vrsta identifikovano je kod 97 pregledanih primeraka deverike, sa intenzitetom infekcije u rasponu 1–165, predstavljajući 54.80% od ukupnog broja sakupljenih i pregledanih primeraka riba. U inficiranim jedinkama deverike utvrđeno je prisustvo 27 taksona endoparazita (helminta) iz četiri klase: jedanaest vrsta pantljičara (Cestoda), pet vrsta i jedan takson metilja (Trematoda), dve vrste klase Nematoda i osam vrsta Acanthocephala. Sprovedena istraživanja su pokazala da je inficiranost deverike Dunava u beogradskom regionu značajna, s obzirom na brojnost i raznovrsnost identifikovanih crevnih parazita. Buduća istraživanja su neophodna da bi se utvrdila uloga crevnih parazita u regulisanju brojnosti populacija deverike Dunava
Information Retrieval for Unstructured Text Documents in Serbian into the Crime Domain
No full textThe reform and modernisation of public sector based on wide application of information-communication technologies (ICT) is considered as one the key elements of futher development of information society in the Republic of Serbia. The trends of development of many e-Government services for many countries in the world, indicate the necessity of application natural language processing - NLP and in e-Government services Republic of Serbia. When performing many of the natural language processing tasks it is needed that all forms of a word with the same meaning has the same form. In general, many documents that are available e-Government services are not structured, so from them is very difficult to isolate some forms (knowledge) that exist in them. The process of finding useful information from such documents in Serbian language, which normally represents highly inflectional language, is one of the key elements of the modern information society in the Republic of Serbia
The Association Between Family Violence, Depression and Anxiety Among Women Whose Partners Have Been Treated for Alcohol Dependence
No full text© 2021, The Author(s), under exclusive licence to Springer Science+Business Media, LLC part of Springer Nature. The negative effects of men’s excessive alcohol consumption on family members are well known. However, less is known about how men’s alcohol dependence is associated with the mental health of their female spouses residing with them. Therefore, the aim of this study was to investigate the prevalence and factors associated with depression, anxiety, and intimate partner violence against women (IPVAW) whose male spouses are undergoing treatment for alcohol dependence. We hypothesize that men with alcohol dependency, who are also violent, present a serious threat to women’s mental health. We conducted a cross-sectional study among 104 women whose male partners had been admitted for inpatient treatment for alcohol dependence. Women’s depression was measured by the Beck Depression Inventory (BDI-II); anxiety was measured by the Beck Anxiety Inventory (BAI), and exposure to physical and sexual IPVAW was measured by the Conflict Tactics Scale (CTS-2). Multinomial logistic regression analyses were conducted in order to analyze factors associated with depression and anxiety. The prevalence of moderate/severe depression and anxiety among the women was 34.6% and 25.2%, respectively, while almost half (48.1%) experienced IPV during the past 12 months. After adjustments for age, exposure to IPV increased the chances of experiencing moderate/severe depression by 37.5 times (95% CI 7.91–177.76), and 8.15 times for moderate/severe anxiety (95% CI 2.45–27.14). The mental health of women whose partners have alcohol dependence is significantly threatened and should be considered, especially when it is associated with exposure to spousal violence
Typology and monitoring of ecological status of moving waters of Serbia
Get PDFThe paper presents work carried out with the objective of the implementation of the European Union Water Framework Directive. The data on communities of water organisms, together with the abiotic parameters, are used to define the typology, the type of specifically reference conditions and the ecological status index, which present a basis for establishing a system of monitoring the ecological status/potential of the waters in Serbia. The results of the obtained investigations are used also in the continuation of this work in making a database on the biodiversity of landlocked bodies of water in the territory of Serbia. The investigations include phytoplankton, phytobenthos, aquatic macroinvertebrate, and ichthyofauna, as well as the biological elements used in the process of the implementation of the EU Water Framework Directive. Furthermore, fish parasites are a subject of investigations for the reason that the level of parasite presence could have a significant effect on the structure of the community, and can consequently be used as a biological parameter for the ecological status/potential. The study covers all types of moving water. Field research is conducted with the aim of compiling complete data on certain biological components of moving waters. .U radu se prikazuju istraživanja koja se sprovode u cilju primene Okvirne direktive o vodama Evropske Unije (EU). Podaci o zajednicama vodenih organizama, uz abiotičke parametre, koriste se za definisanje tipologije, tip specifično referentnih uslova i indeksa ekološkog statusa, što predstavlja osnovu za ustanovljavanje sistema monitoringa ekološkog statusa/potencijala voda u Srbiji. Rezultati sprovedenih istraživanja koriste se i u nastavku rada na izradi baze podataka o biodiverzitetu kopnenih voda na području Srbije. Istraživanja obuhvataju fitoplankton, fitobentos, vodene makrobeskičmenjake i ihtiofaunu, kao biološke elemente korišćene u procesu primene Okvirne direktive o vodama EU. Pored toga, paraziti riba su predmet istraživanja iz razloga što nivo parazitiranosti može značajno da utiče na strukturu zajednice, te se može koristiti kao biološki parametar ekološkog statusa/potencijala. Studija obuhvata sve tipove tekućih voda. Terenska istraživanja se obavljaju sa ciljem upotpunjavanja i kompletiranja podataka o pojedinim biološkim komponentama tekućih voda.
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Session B7: Restoration of Longitudinal Connectivity of the Danube River by the Construction of Free Passages for Migratory Fish Species at the Iron Gates Dams
No full textPresenting Author: Mirjana is research professor in Institute for Biological Research University of Belgrade, Serbia. She carries out research on conservation biology, ecotoxicology, population ecology, and conservation and management of sturgeon species. She was involved in scoping mission for first preliminary assessment of the feasibility for providing free passage to migratory species at Iron Gate I and II dams (Danube, Romania and Serbia).Abstract: The first impassable obstacles for the fish migration along the River Danube from the Black Sea are represented by the Iron Gates I and II hydroelectrical dams, constructed in 1972 and 1984 on 943 and 863 river kilometers, respectively. Construction of fish passages on these dams would make more than 800 river kilometers upstream reopened for fish migrations. The Iron Gates dams are jointly operated by Romania and Serbia and they represent the largest hydropower dam and reservoir system along the Danube River basin. Among migratory fish species affected by these dams are three critically endangered sturgeon species and Pontic shad (Alosa immaculata) as anadromous species, catadromous European eel (Anguilla anguilla) and more than 10 potamodromous fish species. Differences in time of upstream and downstream migrations have to be taken into account while considering the provision for free passage through the dams, as well as total lengths of upstream migrants, especially of species such as beluga sturgeon (Huso huso) that can reach total length of more than 3 m. Preliminary fish passage feasibility study could involve investigation of local hydraulic conditions at different discharges and operating conditions of dams, as well as investigation of fish behavior when they approach dams during migrations by fish tracking, telemetry, and Didson or Aris camera. Romania and Serbia could develop research teams for continual monitoring of fish behavior in the vicinity of dams, as well as in the reservoir between the two dams, based on the best experiences from other countries. Common work of biologists, ecologists, hydrologists and civil engineers is necessary regarding data collection, review of existing data, as well as for evaluation of the fish passage alternatives. Involvement of governmental agencies, local authorities, hydropower managers, researchers and NGO's from both countries is one of the prerequisites for successful completion of fish passages
Checklist of non-indigenous fish species of the River Danube
Get PDFTwenty non-indigenous fish species were recorded in the Danube River. The manner of their introduction, vectors, pathways, as well as invasive status are discussed. The major modes of introduction and translocation were found to be aquaculture and fish stocking. The main environmental consequences of the spread of alien fish are related to changes in the structure and functioning of the fish community and to the introduction of non-indigenous parasites
Development and validation of spectrofluorimetric and LC–MS/MS methods for the determination of hesperidin in human plasma and pharmaceutical forms
Get PDFThe spectrofluorometric method, based on fluorescence properties of aluminium (III)–hesperidin complex, for the determination of hesperidin in human plasma and pharmaceutical forms has been developed and validated. The complex shows strong emission in the presence of surfactant betain sulfonate SB 12 at 476 nm with excitation at 390 nm. Linearity range in pharmaceutical forms of hesperidin was 0.06 – 24.4 μg mL-1 with LOD 0.016 μg mL-1 and LOQ 0.049 μg mL-1. Recovery values in the range 99.3 – 99.7% indicate good accuracy of the method. A linear dependence of the intensity of fluorescence of the complex on the concentration of hesperidin in plasma was obtained in concentration range from 0.1 – 12.2 μg mL-1. The LOD was 0.032 μg mL-1 while LOQ was 0.096 μg mL-1. Recovery values were in the range 98.4 – 99.8%. The reliability of the method was checked by LC-MS/MS method for plasma samples and HPLC/UV method for tablets with direct determination of hesperidin after separation. Linearity range in determination of hesperidin in pharmaceutical forms was obtained in the range from 0.05 to 10.00 μg mL-1. The LOD was 0.01 μg mL-1 and LOQ was 0.03 μg mL-1. Linearity range in plasma determination of hesperidin was 0.02 – 10.00 μg mL-1 with LOD 0.005 μg mL-1 and LOQ 0.015 μg mL-1. Good agreement between two methods indicate the usability of the proposed spectroflurometric method for the simple, precise and accurate determination of hesperidin in clinical and quality control laboratories
