Please use this identifier to cite or link to this item:https://hdl.handle.net/20.500.12259/85032
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dc.contributor.authorLamsodis, Romanas-
dc.coverage.spatialLT-
dc.date.accessioned2019-05-17T03:53:13Z-
dc.date.available2019-05-17T03:53:13Z-
dc.date.issued2002-
dc.identifier.issn13922335-
dc.identifier.otherVDU02-000046569-
dc.identifier.urihttps://hdl.handle.net/20.500.12259/85032-
dc.description.abstractSausinant žemes bei kultūrinant laukus, natūralios vandentėkmės, sunaikinant jų aplinką, buvo paverstos melioracijos grioviais. Nors grioviai šienaujami ir šalinama kita augalija, – tai vienintelės vietos, kur gali glaustis natūralūs (nekultūriniai) augalai. Tyrimai atlikti Nevėžio lygumoje apie 2000 km2 plote atsitiktinai pasirinktuose 418 griovių šlaitų ruožų. Vieno griovio ruožo vidutinis ilgis – 11,7 m, šlaitų plotas jame – 127 m2. Rastos daugiau kaip 36 sumedėjusių augalų rūšys, priklausančios 22 gentims, 13 šeimų. Nustatyta, kad daugiausia rūšių patenka į miškų griovius ir jais plinta į laukus; iš laukų aplinkos grioviuose paprastai plinta smulkialapiai medžiai bei krūmai. Pastarieji grioviuose pasitaiko dažniau ir auga tankiau. Pastebėtas adekvatus augimo sąlygoms rūšių pasiskirstymas skersiniame griovio profilyje. Manoma, kad, išnaudojant rūšių plitimo ir pasiskirstymo dėsningumus, įmanoma dirbtinai (pageidaujama linkme) skatinti melioracijos griovių dendrofloros restauravimąlt
dc.description.abstractDraining and cultivating lands, destroying all riparian vegetation, natural watercourses were converted into drainage channels. Even if slopes are mown, the channels are however the only spots where natural vegetation can take a shelter in the agrolandscape. The investigations were carried out in 418 random channel slope cut-offs located in the territory of about 2000 km2 in the Middle Lithuanian Lowland. There were found more than 36 species of woody vegetation belonging to 22 genera, 13 families. It was determined that the greatest number of species gets in forest channels. Much less species of woody vegetation occurred in field channels. As a rule, small-leaved trees and shrubs prevailed there. Shrubs were, however, observed more often than trees in all channels. It was also observed that the distribution of species depended on the change of growth conditions of vegetation down the slope in a channel cross-section. It is supposed that, considering the tendencies of the spread and distribution of species, there is a possiblity of the artificial stimulation (to the desirable direction) of dendroflora restauration in drainage channelsen
dc.description.sponsorshipVytauto Didžiojo universitetas-
dc.description.sponsorshipŽemės ūkio akademija-
dc.format.extentp. 31-40-
dc.language.isolt-
dc.relation.ispartofVandens ūkio inžinerija. , Nr. 20 (42) (2002)-
dc.subjectRūšių skaičiuslt
dc.subjectDažnumaslt
dc.subjectTankumaslt
dc.subjectPasiskirstymaslt
dc.subjectRenatūralizacijalt
dc.subjectNumber of speciesen
dc.subjectFrequencyen
dc.subjectDensityen
dc.subjectDistributionen
dc.subjectRestaurationen
dc.subject.classificationStraipsnis kituose recenzuojamuose leidiniuose / Article in other peer-reviewed editions (S5)-
dc.subject.otherEkologija ir aplinkotyra / Ecology and environmental sciences (N012)-
dc.titleSumedėjusios augalijos melioracijos grioviuose rūšinė sudėtis ir paplitimaslt
dc.title.alternativeBotanical structure and spread of woody vegetation in drainage channelsen
dc.typeresearch article-
dcterms.bibliographicCitation14-
dc.date.updated2012-12-29T17:02Z-
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local.typeS-
item.grantfulltextopen-
item.fulltextWith Fulltext-
crisitem.author.deptŽemės ūkio akademija-
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications
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