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dc.contributor.authorCiosek, Marek Tadeusz
dc.contributor.authorKrechowski, Janusz
dc.contributor.authorSikorski, Roman
dc.contributor.authorTrębicka, Agata
dc.contributor.authorPiórek, Katarzyna
dc.date.accessioned2015-09-24T11:56:44Z
dc.date.available2015-09-24T11:56:44Z
dc.date.issued2015-06-01
dc.identifier.otherDOI: 10.1515/frp-2015-0011
dc.identifier.urihttps://depot.ceon.pl/handle/123456789/7666
dc.description.abstractLinnaea borealis, the twinflower, is considered a critically endangered species in the Południowopodlaska Lowland. The disappearance of the twinflower is mainly caused by habitat changes resulting from forest management, but also light deficiency due to the increase in canopy cover and growth of the shrub layer (processes of succession). The aim of the paper is to present the actual distribution and phytosociological characteristics of L. borealis in the northern part of the Południowopodlaska Lowland. In this region, only three out of ten known areas of occurrence (Werchliś, Serpelice, Grala-Dąbrowizna) have endured to the present day. The twinflower occurs in pine forest, Peucedano-Pinetum, and mixed forest, Querco roboris-Pinetum, communities. A decrease in the ground cover of twinflower populations was observed in all existing twinflower locations. Although the area covered by the Linnaea borealis population in Werchliś increased tenfold during the last 20 years (from about 200 m2 in 1993 to 1970 m2 in 2013), its cover-abundance according to the Braun-Blanquet scale decreased from 5 to 3. The increase in the area covered by the twinflower population together with the accompanying decrease in cover-abundance is probably not a manifestation of species dynamics but rather a response to disadvantageous environmental changes (growth of canopy cover and shrub layer). Progressive light reduction can initiate the process of fragmentation of a population. A decrease in the cover-abundance of the L. borealis population (from 4 to 2) was also observed in Serpelice. Its area was reduced to half of its original size due to anthropogenic destruction of this location. In the third region, Grala-Dąbrowizna, also the negative effects of competitive species (e.g. Vaccinium myrtillus, V. vitis-idaea) are considered.en
dc.description.sponsorshipThe research was financed by the Siedlce University of Natural Sciences and Humanities as part of its statutory activity 65/94/S.pl_PL
dc.language.isoenpl_PL
dc.publisherInstytut Badawczy Leśnictwa (Forest Research Institute), Sekocin Stary, Polandpl_PL
dc.rightsCreative Commons Uznanie autorstwa na tych samych warunkach 3.0 Polska
dc.rights.urihttp://creativecommons.org/licenses/by-sa/3.0/pl/legalcode
dc.subjectPołudniowopodlaska Lowlandpl_PL
dc.subjectphytosociologypl_PL
dc.subjectdistributionpl_PL
dc.subjectLinnaea borealispl_PL
dc.titleThe Twinflower (Linnaea borealis L.) in the northern part of the Południowopodlaska Lowlandpl_PL
dc.title.alternativeZimoziół północny Linnaea borealis L. w północnej części Niziny Południowopodlaskiejpl_PL
dc.typeinfo:eu-repo/semantics/articlepl_PL
dc.contributor.organizationBotany Institute, Department of Biology, Siedlce University of Natural Sciences and Humanitiespl_PL
dc.description.epersonPrzemysław Szmit
dc.rights.DELETETHISFIELDinfo:eu-repo/semantics/openAccess


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