Isparta ili’nde doğal yayılış gösteren Orchis anatolica (Boiss.,)’nın potansiyel dağılım haritalaması

Öz

Giriş ve Hedefler Orchidaceae familyasına ait Orchis anatolica’nın orkide türünün potansiyel dağılım haritalaması incelenmiştir. Yöntemler 2019-2022 yılları Mart-Haziran ayları arasında gerçekleştirilen arazi çalışması sonucunda sahada bu türe ait 30 örnek alanda var verisi elde edilmiştir. Elde edilen veriler doğrultusunda Isparta İli içinde doğal yayılış yapan Orchis anatolica’nın Maksimum Entropi Yöntemi ile potansiyel dağılım haritalamasını yapılmıştır. Potansiyel dağılım haritalaması belirlemek için ise Bio iklim değişkenleri, coğrafi bilgi sistemleri kullanılarak üretilen veya sayısallaştırılan altlık haritalar olmak üzere toplamda birbiriyle korelasyon göstermeyen 22 çevresel değişken ile hedef türe ait var verileri arasındaki ilişkiler MaxEnt yazılımı ile modellenmiş ve haritalanmıştır. Bulgular Orchis anatolica için elde edilen potansiyel dağılım haritalamasına göre (eğitim veri seti AUC: 0,974, test veri seti AUC: 0,953) türünün dağılımını etkileyen çevresel değişkenlerin bonitet, bio10, yaş sınıf, bio12, engebelilik sınıfları olduğu belirlenmiştir. Sonuçlar Orchis anatolica’nın ekolojik özellikleri, coğrafi dağılımları ve habitat özellikleri arasındaki ilişkileri araştırmış ve Isparta bölgesi için türlerin potansiyel dağılım haritasını oluşturmuştur. Isparta ilindeki Orchis çeşitliliğinin ve genetik kaynaklarının korunması ve sürdürülebilir kullanımı için değerli bir temel sağlamaktadır.

Anahtar Kelimeler

• Orchis
• salep
• MaxEnt
• Isparta ili

Potential distribution mapping of Orchis anatolica (Boiss.) naturally distributed in Isparta province

Öz

Background and aims This study focused on modeling the potential distribution of Orchis anatolica, a species belonging to the Orchidaceae family. Methods As a result of field studies conducted between March and June from 2019 to 2022, presence data for this species were obtained from 30 sampling sites. Based on the collected data, the potential distribution of Orchis anatolica, which naturally occurs in the Isparta province, was modeled using the Maximum Entropy (MaxEnt) method. To determine the potential distribution, relationships between the presence data of the target species and 22 uncorrelated environmental variables including bioclimatic variables and base maps produced or digitized via geographic information systems were modeled and mapped using MaxEnt software. Results According to the potential distribution model generated for Orchis anatolica (training dataset AUC: 0.974, test dataset AUC: 0.953), the environmental variables most influencing the species' distribution were identified as site index (bonitet), bio10, age class, bio12, and terrain ruggedness classes. Conclusions This study investigated the relationships among the ecological characteristics, geographic distribution, and habitat features of Orchis anatolica, and produced a potential distribution map for the species in the Isparta region. It provides a valuable foundation for the conservation and sustainable use of Orchis diversity and genetic resources in Isparta province.

Anahtar Kelimeler

• Orchis
• salep
• MaxEnt
• Isparta province

Kaynakça

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