13.07.2015 Views

10th Symposium on the Flora of Southeastern Serbia and ...

10th Symposium on the Flora of Southeastern Serbia and ...

10th Symposium on the Flora of Southeastern Serbia and ...

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

10 th <str<strong>on</strong>g>Symposium</str<strong>on</strong>g> <strong>on</strong> <strong>the</strong> <strong>Flora</strong> <strong>of</strong> Sou<strong>the</strong>astern <strong>Serbia</strong> <strong>and</strong> Neighbouring regi<strong>on</strong>s,Vlasina 17 to 20 June 2010Important Plant Areas, IBA - Important Bird Areas, PBA - Prime Butterfly Area,etc). Within <strong>Serbia</strong>n Mire Database, for all recorded plant species we have data <strong>on</strong>its endemism <strong>and</strong> type <strong>of</strong> endemism, nati<strong>on</strong>al <strong>and</strong> internati<strong>on</strong>al protecti<strong>on</strong> status(protected, strictly protected, Nati<strong>on</strong>al Red Book, Preliminary Nati<strong>on</strong>al Red List,IUCN, CITES, Bern C<strong>on</strong>venti<strong>on</strong>, Habitat Directive), allochth<strong>on</strong>ous or invasivespecies, medical usage etc. On <strong>the</strong> bases <strong>of</strong> all <strong>of</strong> this, sets <strong>of</strong> <strong>the</strong>matic maps areproduced. <strong>Serbia</strong>n mires (peatl<strong>and</strong>s) distributi<strong>on</strong> map is given, toge<strong>the</strong>r withdistributi<strong>on</strong> maps <strong>of</strong> particular syntax<strong>on</strong>omical units <strong>and</strong> habitat types. Assortedo<strong>the</strong>r maps, graphs <strong>and</strong> analyses are also represented. Problems, missing points <strong>and</strong>fur<strong>the</strong>r steps for database improvement are discussed.Rezultati merenja gornje temperaturne granicerasprostranjenja vrste Salix cinerea L.Petrović, B. 1 , Jotić, B. 21 Zavod za zaštitu prirode Srbije, Niš, Srbija2 Prirodno-matematički fakultet, Univerzitet u Nišu, Srbijabojanap@zzps.rsBiljna vrsta Salix cinerea L. (barska iva) tipični je stanovnik zabarenih,močvarnih staništa, na kojima gradi karakterističnu zajednicu Salicetum cinereaeZol.. Značaj ove vrste ogleda se u tome što <strong>on</strong>a potiče iz hladnijeg i vlažnijegperioda, te se može smatrati reliktnom. Samim tim, vezana je za hladne vode, te sunjene populacije međusobno udaljene i po nekoliko desetina kilometara. Populacijabarske ive je zabeležena i na Krupačkom Blatu kod Pirota u istočnoj Srbiji, gde <strong>on</strong>astriktno prati vijugavi tok hladne izvorske vode. Kako je proteklih decenija, zbogpromena u vodnom režimu izazvanih ljudskim aktivnostima, došlo do smanjenjapovršine koju ova vrsta zauzima, pristupilo se merenjima temperature vode namestima gde je <strong>on</strong>a prisutna. Cilj je utvrđivanje gornje temperaturne granicerasprostranjenja ove vrste. Kao k<strong>on</strong>trolna grupa uzeta je populacija na bari iznadDimitrovgrada. Ovo bi trebalo da doprinese sprečavanju daljeg uništavanja staništa ipopulacija ove reliktne vrste na našim prostorima40

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!