In the light of fossil pollen and geochemical (μ-XRF) analysis paleovegetation and paleoclimate of Yelten Marsh (Antalya-Korkuteli-Türkiye) and its surroundings for the last 2100 years

Abstract

Yelten Marsh (1670 m) is located in Korkuteli district of Antalya. This study is a paleovegetation
study conducted in Southwest Anatolia and aims to determine the paleovegetation and
paleoclimate structure of the last ~2100 years. In this context, 48 cm sediment core was taken
from Yelten Marshes and according to the results of the radiocarbon dating analysis, it was
found that the age of the base was 2.157 (Cal BP). 32 fossil pollen analyzes were made on the
sediment core and the results were converted into diagrams. In the resulting diagram, three
main and three subzones were determined. The total ratio of woody/wood taxa (AP; arboreal
pollen) between zones varied between 98% and 85.1%. Among the fossil pollen findings,
Pinus sp., Juniperus sp., Quercus sp. are important AP taxa. Asteraceae, Amaranthaceae and
Lactuaceae were important taxa in NAP (non-arboreal pollen) representing herbaceous taxa.
In addition, μ-XRF analyzes were applied on the core, graphs of the μ-XRF data were drawn
and paleoclimate changes were revealed. As a result of the analyzes, similarities with the
characteristics of four different global climate periods (Roman Warm Climate Period, 1400 Cold
Climate Period, Medieval Warm Period and Little Ice Age) were determined in the region. In the
last 2 thousand years, forest existence is quite dominant in the vegetation structure. As a result,
the data obtained were compared with the results of previous research in Southwest Anatolia,
and information on the change of climatic conditions, land use and vegetation structure during
the Roman, Byzantine Empire, Seljuk and Ottoman Empire periods was obtained.

Keywords

• Fossil Pollen
• Yelten Marsh
• Micro-XRF
• Paleovegetation
• Paleoclimate

Fosil polen ve jeokimyasal (μ-xrf) analizler ışığında Yelten Sazlığı (Antalya- Korkuteli-Türkiye) ve çevresinin son 2.100 yıllık paleovejetasyon ve paleoiklimi

Abstract

Yelten Sazlığı (1670 m) Antalya’nın Korkuteli ilçesinde yer almaktadır. Bu çalışma Güneybatı Anadolu’da
yapılan paleovejetasyon çalışması niteliğinde olup son ~2100 yıllık paleovejetasyon ve
paleoiklim yapısını belirlemeyi amaçlamaktadır. Bu kapsamda Yelten Sazlığı’ndan 48 cm sediman
karotu alınmış ve radyokarbon ile tarihlendirme analizi sonucuna göre taban yaşının 2.157 (Kal
GÖ) olduğu bilgisine ulaşılmıştır. Sediman karotu üzerinde 32 adet fosil polen analizleri yapılmış ve
sonuçları diyagrama dönüştürülmüştür. Elde edilen diyagramda üç ana ve üç alt zon belirlenmiştir.
Zonlar arasında odunsu/ağaç taksaların toplam oranı (AP; arboreal polen) %98 ile %85,1 arasında
değişim göstermiştir. Fosil polen bulguları içerisinde Pinus sp., Juniperus sp., Quercus sp. önemli AP
taksalarıdır. Otsu taksaları temsil eden NAP (non-arboreal polen) içerisinde ise Asteraceae, Amaranthaceae
ve Lactuaceae önemli taksalar olmuştur. Ayrıca karot üzerinde μ-XRF analizleri uygulanmış
μ-XRF verilerinin grafikleri çizilmiş ve paleoiklim değişimleri ortaya koyulmuştur. Analizler
sonucunda bölgede dört farklı küresel iklim döneminin (Roma Sıcak İklim Dönemi, 1400 Soğuk İklim
Dönemi, Ortaçağ Sıcak Dönemi ve Küçük Buzul Çağı) özellikleri ile benzerlikler tespit edilmiştir.
Son 2 bin yıllık süreç içerisinde vejetasyon yapısında orman varlığı oldukça baskındır. Sonuç olarak
elde edilen veriler Güneybatı Anadolu’da daha önce gerçekleştirilen araştırma sonuçları ile karşılaştırılarak
Roma, Bizans İmparatorluğu, Selçuklu ve Osmanlı Devleti döneminde iklim koşulları, arazi
kullanımı ve vejetasyon yapısının değişimine dair bilgiler elde edilmiştir.

Keywords

• Fosil Polen
• Yelten Sazlığı
• Mikro-XRF
• Paleovejetasyon
• Paleoiklim

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