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Scientific Papers, USAMV Bucharest, Series A, Vol. LII, 2009, ISSN 1222-5339ASPECTS FROM THE VEGETATION OF THE ACCUMULATION LAKEMURANI-PISCHIA (TIMIS COUNTY)ALINA NEACŞU, G.G. ARSENE, ALINA ARSENE, C. STROIAUniversity of Agricultural Sciences and Veterinary Medicine of Banat, TimisoaraKeywords: Pischia, aquatic and paludicolous vegetation, preservation resourcesAbstractThe accumulation Murani - Pischia was build in 1971, along the Magheruş brook. Theinitial purpose of the development was to diminish the flood effects. The area was declaredOrnithological Natural Reserve (2743) “Murani - Pischia Swamps” (with the mention“Habitat specific for aquatic fauna - Ixobrychus minutus: Little Bittern”), through Law5/2000, H. C. J. 19/1995. As a type of major habitat, the reserve is situated in the categoryof fresh water/humid areas habitats, turf moors (from the ecoregion Hungarian Plain). Ourresearch consisted in several field trips in the lake area, at different times, in order tobetter observe the structure of the phytocoenoses. The data processing implied theidentification of the vegetal associations, following the concentration and analysis of thevegetation samples collected on the field, performing the synopsis of the cenoetaxonomicunits and the analysis of the vegetal associations, considering several points of view. Thestudy is based upon the principles of the Central-European floristic phytocoenologicschool. There have been identified and analyzed according to the mentions above 13vegetal associations, some of which with a high conservative value.451
Scientific Papers, USAMV Bucharest, Series A, Vol. LII, 2009, ISSN 1222-5339PLANTS FROM BOTANICAL GARDEN: BOTHRIOCHLOA BLADHII(RETZ.) S.T.BLAKE (SYSTEMATICS, MORPHOLOGY AND BIOLOGY)MIHAELA IOANA GEORGESCU, R. ARMANUUniversity of Agronomic Sciences and Veterinary Medicine of BucharestKeywords: Bothriochloa bladhii, taxonomy, stem, shoot and leaf anatomyAbstractClassified in the Poaceae’s family and Andropogoneae’s tribe, Bothriochloa bladhii(Caucasian bluestem, Australian beardgrass) is widely distributed through Africa, Asia andAustralia, in savannas, open forests and grasslands, often on alluviums. In the RomanianFlora (vol. XII) it is mentioned by its synonym – Bothriochloa intermedia (R.Br.) A.Camus.Subspontaneous spread in our botanical garden, B.bladhii is a perennial grass, withdensely caespitosed stems on short stolons; inflorescence-panicle subdigitat; twouniflorous spikelets at the joint, one hermaphrodite, sessile, the other one pedicellate,sterile, with the awn arising from the sessile spikelet. In the internal structure of the culms,the hypoderm and the main part of the basic parenchyma are strongly sclerificated afterflowering.457
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SCIENTIFIC PAPERS

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