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The influence of eutrophication on phytoplankton component along Montenegrin coast | Uticaj eutrofikacije na fitoplanktonsku komponentu crnogorskog primorja
2010
Drakulović, D., Institut za biologiju mora, Kotor (Montenegro) | Vuksanović, N., Institut za biologiju mora, Kotor (Montenegro)
In this work results from April to September 2009 are presented, which comprosed analyses of samples from 15 stations along Montenegrin coast. The main aim was to estimated level of eutrophication and phytoplankton community characteristic for eutrophic area. Maximum mean value of microplankton of 8.4 x 10**5 cells/l was noted in the inner part of Bokakotorska Bay. This area has maximal values throughout all period of investigation. It is result of waters dynamics and influence from the coast. In the open sea values were lower, about 10**4 cells/l. These results show that Montenegrin coast is an eutrophic region. Some phytoplankton organisms characteristic for eutrophic region were found also. The most abundant species was Thalassionema nitzschioides with maximum mean value of 8.4 x 10**5 cells/l.
Afficher plus [+] Moins [-]Algal ordo Cystoseira as bioindicators of the marine aqatory [i.e. aquatory] state | Alge roda Cystoseira kao bioindikatori stanja morske akvatorije
2010
Mačić, V., Institut za biologiju mora, Kotor (Montenegro)
Research of presence and distribution of algal ordo Cystoseira has been done in 8 locations of Montenegrin coast. Presence of 8 species is confirmed and analysis of their aggregation on locations and aggregation of locations based on physico-chemical parameters of sea water and exposition to the waves are studied. Possibility of using these organisms as bioindicators is suggested.
Afficher plus [+] Moins [-]Participation of Norway lobster, Nephrops norvegicus (Linnaeus, 1758) in the trawl fishery at the Montenegrin coast | Procentualno učešće škampa, Nephrops norvegicus (Linnaeus, 1758) u kočarskom ribolovu na crnogorskom primorju
2010
Kasalica, O., Institut za biologiju mora, Kotor (Montenegro) | Regner, S., Institut za Multidisciplinarna istraživanja, Beograd (Serbia) | Joksimović, A., Institut za biologiju mora, Kotor (Montenegro) | Ikica, Z., Institut za biologiju mora, Kotor (Montenegro) | Djurović, M., Institut za biologiju mora, Kotor (Montenegro)
Norway lobster, Nephrops norvegicus is decapod crustacean species that has not been sufficiently researched on the Montenegrin coast. The trawl survey was carried out in the framework of the national research project: The biological resources, edible and inedible, in the trawl fishery on the Montenegrin coast. The spring, summer and autumn aspects were taken into consideration. There is no data regarding the Norway lobster on the Montenegrin coast. The aim of this paper is to give the information about partitipation of this very important commercial species in the trawl fishery on the shelf and continental slope at the Montenegrin coast as well as catch per unit of effort.
Afficher plus [+] Moins [-]Heavy metals in coastal marine sediments of the South East Adriatic | Teški metali u morskom sedimentu priobalnog pojasa jugoistočnog Jadrana
2010
Castelli, A., Institut za biologiju mora, Kotor (Montenegro) | Mitrić, M., Institut za biologiju mora, Kotor (Montenegro) | Kljajić, Z., Institut za biologiju mora, Kotor (Montenegro)
Marine sediments are very important for transport, fate and influence of heavy metals in marine ecosystem and therefore they represent good indicator of its ecological status. A great attention has been given in the last two decades in the Mediterranean region to the determination of heavy metals concentration in marine sediments through the monitoring programs, as well as to the studies of heavy metals distribution and their effects on biota. This paper presents the concentrations of Cr, Ni, Cu, Cd, Pb, and Zn determined by EDPXRF method, in the surficial sediment samples taken from six location in the coastal region of the South East Adriatic and their distribution in the investigated area. It can be noticed the influence of the Bojana river regarding the content and distribution of selected heavy metals.
Afficher plus [+] Moins [-]Contents of lead and cadmium in seawater and sediments from Bokakotor bay [Adriatic sea, Montenegro] | Sadržaj olova i kadmijuma u morskoj vodi i sedimentu Bokokotorskog zaliva [Jadransko more, Crna Gora]
2010
Joksimović, D., Institut za biologiju mora, Kotor (Montenegro) | Stanković, S., Tehnološko-metalurški fakultet, Beograd (Serbia)
As other areas on Montenegrin coast, Bokakotorska bay is also under a heavy impact of anthropogenic factors and the activities on the shore. The aim of the present work was to determine the levels of lead and cadmium in coastal surface sea water and sediment at three stations located in the inner shore waters Boka Kotor bay, and at one station located off shore Montenegrian coast considered as a reference station. The comparison of the results obtained for the inner shore stations with reference station showed that the content of this metals in some station are considerable increased in ratio to reference station.
Afficher plus [+] Moins [-]Chlorophyll a and eutrophication in Kotor Bay [Adriatic sea, Montenegro] | Hlorofil a i eutrofikacija u Kotorskom zalivu [Jadransko more, Crna Gora]
2009
Krivokapic, S., Prirodno-matematicki fakultet, Podgorica (Montenegro). Studijski program za biologiju | Pestoric, B., Institut za biologiju mora, Kotor (Montenegro) | Drakulovic, D., Institut za biologiju mora, Kotor (Montenegro)
The weekly measurement of physico-chemical and biological parameters was done during the spring of 2008 in order to assess the level of eutrophication in the Kotor Bay. Chlorophyll a was used as trophic level indicator and its values varied from minimal 1.00 mg/cubic meter in June on the depth of 10 m to maximal 3.71 mg/cubic meter on the sea surface in May. According to Nixon criteria during investigation period it can be concluded that the area in question is oligotrophic. On the other hand, according to UNEP criteria which are somewhat stricter when the concentration of chlorophyll a is in question, Kotor Bay was mesoeutrophic area.
Afficher plus [+] Moins [-]Spring and summer (2007) mesozooplankton communities of Boka Kotorska bay [Adriatic sea, Montenegro] | Prolecno-letnja (2007) mezozooplanktonska zajednica Bokokotorskog zaliva [Jadransko more, Crna Gora]
2009
Vukanic, V., Drzavni Univerzitet u Novom Pazaru, Novi Pazar (Serbia). Departman za bio-hemijske i medicinske nauke, Biologija | Hadzibrahimovic, M., Drzavni Univerzitet u Novom Pazaru, Novi Pazar (Serbia). Departman za bio-hemijske i medicinske nauke, Biologija
Zooplankton community analysis was conducted for spring (April - 07) and summer (August - 07) in Boka Kotorska Bay. Analyses included determination of biomass and qualitative composition. Data are given on the number of specimens per cubic meter as well as on the volume organisms. Qualitative composition showed domination Copepoda of zooplanktons groups.
Afficher plus [+] Moins [-]Diatoms as an indicators of eutrophication in the Kotor and Risan Bay [Montenegro] | Dijatomejska komponenta kao indikator eutrofikacije u kotorskom i risanskom zalivu [Crna Gora]
2008
Vuksanovic, N., Univerzitet Crne Gore, Kotor (Montenegro). Institut za biologiju mora | Drakulic, D., Univerzitet Crne Gore, Kotor (Montenegro). Institut za biologiju mora | Krivokapic, S., Univerzitet Crne Gore, Podgorica (Montenegro). Prirodno-matematicki fakultet, Studijska grupa za biologiju
Samples for phytoplankton investigations were collected in annual period (September 2003 - August 2004) in the Kotor and Risan Bay. Mean-values percentage contribution of the group diatoms (Bacillariophyceae) through the annnual period were from 79.70% to 86.50%. Species Skeletonema costatum, Pseudo-mitzschia delicatissima, Leptocylindrus minimus and Chaetoceros affinis, were the main edificators of diatom population. Densities of these species were from 10**5 to 10**6 cells/cubic dm. These values are characteristic of eutrophic and extreme eutrophic area. It is needed one permanent monitoring to protect this part of Boka Kotorska Bay negative consequences.
Afficher plus [+] Moins [-]Seasonal horizontal distribution and abundance of species from family Temoride [i.e. Temoridae] at Boka Kotorska Bay [Montenegro] | Sezonska horizontalna distribucija i abundancija vrsta familije Temoridae u bokokotorskom zalivu [Crna Gora]
2008
Vukanic, D., Institut za biologiju mora, Kotor (Montenegro) | Vukanic, V. | Danilovic, J., Univerzitet u Novom Pazaru, Novi Pazar (Serbia). Tehnicki fakultet, Departman za biologiju
In Boka Kotorska Bay there are two recorded species of Copepoda from family Temoridae: Temora stylifera and Temora longicomis. This paper presents the data on horizontal distribution and abundance of these species during 2007. Temora stylifera has a wide horizontal distribution in coastal and open waters of Adriatic sea, while Temora longicomis is a typical representative of estuary-neritic waters of northern Adriatic, Kvarner area and the Italian coats at the west. Their abundance was particularly high in spring and summer.
Afficher plus [+] Moins [-]The influence of water quality of the Moraca river on Lake Skadar from the aspect of plankton dynamics | Uticaj kvaliteta vode rijeke Moraca na Skadarsko jezero sa aspekta dinamike planktona
2008
Radonjic, D., Fabrika za proizvodnju lekova Hemomont, Podgorica (Montenegro) | Nemes, K., Prirodno-matematicki fakultet, Novi Sad (Serbia)
Lake ecosystems determined by trophic conditions, accurately defined Ecological status of protected area. Trophic condition of water of Lake Skadar and two rivers, the inflow Moraca and the outflow Bojana was described via plankton data considering abundance of phytoplankton, seasonal dynamics of organotrophs, cyanobacteria, total coliforms, plankton biodegrading potential and nitrogen fixing bacterioplankton. The trophic potential for phytoplankton growth has been detected in late autumn throughout September-November 2004, contrary to early summer June-July 2005, and adverse growth of bacterioplankton in May, June and September 2005, respectively. The results of quantitative analysis of coliforms showed good relation of Lake Skadar and Ada Bojana, contrary to similarities between Moraca River and Ada Bojana estimates in accordance with the Pantle-Buck index. Nevertheless, investigation pointed out Lake Skadar beta-mesosaprobic level and moderate self-purification rate. In evaluating trophic conditions the good ecological potential of protected area has been proposed.
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