Is penetration of non-psammophytes an underestimated threat to sand dunes? - a case study from western Pontic coast
作者： Magdalena Valcheva , Desislava Sopotlieva , Tenyo Meshinev , Iva Apostolova
DOI: 10.1007/S11852-018-0656-3
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摘要: The aim of this study was to identify how far the different dune types from one largest complexes at Bulgarian Black Sea Coast are affected by penetration non-psammophytes and if there is an upward trend in their number. We studied Kamchia system during 2013–2015. Vegetation sampled 162 plots along 12 transects systematically situated cover three habitats: embryonic, white grey dunes. All vascular plants as well percentage each species total vegetation were registered within plot. overall list additionally completed for whole area. A 207 plant registered. They classified into five groups follows: psammophytes – 38, weeds ruderals 36, typical grasslands shrublands 95, forests 18 alien (including invasive) 20. Number defined calculated respect distribution habitats. Results show that dunes contain highest non-psammophytic plants, which decrease towards embryonic coastal area still less influenced non-psammophytes. It represents example a complex relatively unaffected urbanization. high floristic habitat diversity deserve further effective protection.
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