literature records for four autochthonous and one allochthonous plant in the flora of Serbia has been done. Four plant taxa are a novelty for proper Serbia, Vojvodina, or Kosovo and Metohija, and for 7 plants, presence in certain administrative units in Serbia has been confirmed. In the last part of the paper, there is a review of 9 disputed taxa for our country.
Floristic and taxonomic diversity, as well as studies of ecological characteristic of Charophyta algae were carried out within the complex biodiversity researches, in the Zasavica Special Nature Reserve. Nine species were recorded: Chara globularis, C. contraria, C. vulgaris, Nitella mucronata, N. capillaris, N. syncarpa, N. confervacea, Tolypella intricata and T. prolifera. The most common charophyte habitats are shallow, often ephemeral, ponds and puddles in diluvial forests and marshy meadow depressions. Charophytes were also found in riparian areas of water flows, springs and channels, in shallow water (0.1 to 1.2 m), neutral to alkaline (pH 7.4-8.8), and on different substrates (silt, peat, bogland mold)
The paper propose nine new nomenclature combinations and indicate eight new synonyms. There are 12 taxa (species and subspecies) of vascular flora which are new for the flora of Serbia (of which nine are autochthonous and three 88 N iketić, M. etal. : Annotated Checklist of Vascular Flora of Serbia II allochtonous plants). An old or unreliable literature records for three autochthonous and one allochthonous plant in the flora of Serbia has been confirmed. Eight plant taxa are a novelty for proper Serbia, Vojvodina, or Kosovo and Metohija, and for three plants, presence in certain administrative units in Serbia has been proved. The last part of the paper contains information on eight taxa whose presence in Serbia or in its territorial units has been refuted.
The condition of riparian areas of surface watercourses is one of the key factors for the good ecological status of the rivers. Great importance is given to the research of the condition of riparian areas, as well as their revitalization, by the adoption of a series of international directives, the development of methodological procedures for the rapid assessment of the situation and the development of measures and techniques that help riparian areas to return to a more natural condition. This research was based on the possibility of applying the method of visual assessment of the situation. The Stream Visual Assessment Protocol 2 was used for the assessment of the quality and quantity of riparian areas on the Radalj River, a tributary of the Drina River, in the municipality of Mali Zvornik (Republic of Serbia. In order to evaluate riparian areas, five elements relating to the condition of the river beds and banks as well as qualitative and quantitative characteristics of the riparian areas were taken into account. The results showed that the riparian area at the monitored sites were in poor condition, and that according to the assessment and description, it is possible to draw preliminary conclusions on the additional studies and/or proposals for revitalizing techniques.
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