Sains Malaysiana 42(10)(2013): 1387–1393
Determination of Ellenberg’s Indicator
Values Along an Elevational Gradient
in Central Black Sea Region of Turkey
(Penentuan Nilai Penunjuk
Ellenberg Sepanjang Kecerunan Ketinggian
di Wilayah
Laut Hitam Tengah, Turki)
H.G. Kutbay1*
& B. Sürmen2
1Ondokuz
May?s Üniversitesi, Fen Edebiyat Fakültesi, Biyoloji Bölümü,
Samsun, Türkiye
2Karamanoğlu Mehmetbey Üniversitesi,
Kamil Özdağ Fen Fakültesi, Biyoloji Bölümü,
Karaman, Türkiye
Received: 10 March 2013/Accepted: 12 May
2013
ABSTRACT
The central Black Sea Region has an unique vegetation because different vegetation types
occurred. In the present study plant communities (from Mediterranean-type to
temperate forests) in the Central Black Sea Region along an elevational
gradient was evaluated on Ellenberg’s Indicator Values (EIVs). EIVs
were calculated for nutrient availability, pH and temperature variables
(nutrient availability (N), pH (R) and temperature (T)) with the help of
weighted averages. Additionally, the vegetation of the study area was
classified by using two way indicator species analyses (TWINSPAN)
method and the interactions among plant species and EIVs
were also studied by the help of Canonical Correspondence Analysis (CCA).
We found some differences between our data and the previous data which were
obtained from similar vegetation types with respect to EIV’s
for nutrient availability, pH and temperature. Pteridium
aquilinum, Fragaria vesca and Euphorbia amygdaloides var. amygdaloides may be used as an indicator of nutrient availability. There were significant
differences among species regarding EIVs for temperature because
the study area includes temperate and Mediterranean-type communities.
Keywords: Black Sea; Canonical
correspondance analyses; Ellenberg indicator values (EIVs);
forest vegetation; nutrient availability; pH; temperature
ABSTRAK
Wilayah Laut
Hitam Tengah mempunyai vegetasi unik kerana wujudnya jenis vegetasi berbeza. Dalam kajian ini komuniti tumbuhan (daripada jenis Mediterranean
kepada hutan temperat) di Wilayah Laut Hitam Tengah sepanjang kecerunan
ketinggian telah dinilai ke atas Nilai Penunjuk Ellenberg (EIV). EIV telah dikira untuk variabel
ketersediaan nutrien, pH dan suhu (ketersediaan nutrien (N), pH (R) dan suhu
(T)) dengan bantuan purata pemberat. Sebagai tambahan
vegetasi kawasan kajian telah dikelaskan dengan menggunakan kaedah analisis
spesies penunjuk dua arah (TWINSPAN) dan saling tindakan dalam
kalangan spesies tumbuhan dan EIV telah dikaji dengan bantuan
Analisis Kesetaraan Kanon (CCA). Terdapat
perbezaan antara data kami dan data terdahulu daripada vegetasi serupa daripada
segi EIV bagi ketersedian nutrien, pH dan suhu.Pteridium aquilinum, Fragaria vesca dan Euphorbia
amygdaloides var. amygdaloides boleh digunakan sebagai penunjuk bagi
ketersediaan nutrien. Terdapat
perbezaan yang signifikan antara spesies daripada segi EIV bagi
suhu kerana kawasan kajian mencakupi jenis masyarakat temperat dan
Mediterranean.
Kata kunci: Analisis kesetaraan Kanon; suhu; ketersediaan nutrien;
Laut Hitam; nilai penunjuk Ellenberg (EIV); pH;
vegetasi hutan
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*Corresponding author; email: guraykutbay@gmail.com
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