Yazar "Kutbay, Hamdi Guray" seçeneğine göre listele

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    The classification of some plants subjected to disturbance factors (grazing and cutting) based on ecological strategies in Turkey
    (Springer-Verlag Italia Srl, 2018) Kılıç, Dudu Duygu; Kutbay, Hamdi Guray; Sürmen, Burak; Hüseyinoğlu, Rena
    The effect of disturbance factors such as grazing and cutting were investigated in some plants in central Black Sea Region of Turkey using Grime's CSR strategies and Ellenberg's indicator values (EIVs). Grime's CSR strategies were also determined by Pierce et al.'s (Funct Ecol 27:1002-1010, 2013) scheme because there were some inconsistencies between Grime's and Pierce et al.'s schemes. Secondary strategies in the study area found to be dominant and the dominance of secondary strategies are consistent with "intermediate disturbance hypothesis". All the EIVs were found to be significantly different in grazed vs non-ungrazed and cutted vs uncutted areas. PCA diagram showed that ungrazed and cutted areas are associated with EIVR, while grazed and uncutted plots are associated with EIVL, EIVM, EIVN and EIVT.
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    Ellenberg's indicator values for soil nitrogen concentration and pH in selected swamp forests in the Central Black Sea region of Turkey
    (Tubitak Scientific & Technical Research Council Turkey, 2014) Sürmen, Burak; Kutbay, Hamdi Guray; Kılıç, Dudu Duygu; Hüseyinova, Rena; Kılınç, Mahmut
    Ellenberg developed a system that assigns indicator scores for habitat characteristics of individual plant species. Swamp forests are highly diverse ecological communities and include different plant species, all of which have different ecological requirements. Ellenberg's indicator values (EIVs) were calculated for soil pH and nitrogen (N) concentration in some swamp forest species in the Central Black Sea region of Turkey. In this study, the EIVs for soil pH were usually similar in the swamp forest species studied, while some differences were found with respect to EIVs for soil nitrogen concentration. Tolerance values (TVs) of all of the studied species were higher than those reported in similar studies because EIVs and species abundance were high in the present study compared to similar studies. TVs (soil pH) were higher in Galeric Forest than in the other 2 swamp forests. The differences among the swamp forest species studied with respect to EIVs might be explained on the basis of soil heterogeneity, even on a local scale.
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    Plant diversity along coastal dunes of the Black Sea (North of Turkey)
    (Springer-Verlag Italia Srl, 2016) Ağır, Şenay Ulu; Kutbay, Hamdi Guray; Sürmen, Burak
    Coastal dunes are particular ecosystems because they include different vegetation types and have high environmental heterogeneity. Plant biodiversity in coastal dunes vary along the seashore to inland environmental gradient. In the present study, plant biodiversity along the coastal dune zonation of Central Black Sea Region of Turkey (upper beach or drift line, embryonic or primary dune, main dune, transitional and fixed dune zone) is evaluated using different diversity indexes (Evenness, Functional diversity, Plant biodiversity and Rarity). Plant biodiversity increases from seashore to the inland. In particular evenness and rarity indexes tend to increase from the drift line to fixed dunes as functional diversity is high in the upper beach and drift line.