Yeşil Alanların Ekolojik Bağlantılığının Mekânsal Zamansal Değerlendirilmesi: Manisa Örneği

Derya Gülçin

doi:10.35229/jaes.794559

EN TR

Spatio-Temporal Evaluation of the Structural Connectivity of Green Spaces in Manisa

Abstract

There are ongoing changes in landscape patterns due to environmental factors and human impact. These changes affect the ecological connectivity of landscapes. When considering the change in connectivity in the landscape, it is important to analyze the distribution and composition of the landscape patterns. Conducted in Manisa, where the industrialization and urbanization process has had a high impact on the landscape, this research focuses on the change over time in ecological connectivity between ecologically significant green spaces. This research uses spatial analysis to measure changes in structural connectivity between green spaces in the years 1990, 2000, and 2018. It contributes to the knowledge of environmental monitoring by providing a methodological approach that can be used to inform planning and policy decisions. Examples of its potential applications include the development of landscape plans, upper scale spatial plans, and regional plans. Morphological spatial pattern analysis and network analysis were used to create and interpret connectivity maps. This research has two purposes: 1) monitoring the spatio-temporal change in connectivity of morphological spatial pattern units, and 2) mapping important ecological nodes and links in connectivity and interpreting their temporal changes. The results showed that there was a 3.49% (464.6 km2) decrease in morphological spatial pattern classes (i.e. habitat units) between 1990 and 2018. A reduction of 178 km2 was observed for cores and bridges classes that provide structural connectivity. As a result of the spatio-temporal change of the habitat units between 1990 and 2018, the node patches that previously provided a high level of connectivity subsequently provided low connectivity. Additionally, it was found that the ecological importance level of the connectivity of links has changed. The increase in the ecological importance of green spaces with a very low and medium level of ecological connectivity indicates that some green spaces in the research area have become fragmented. The development of new links is therefore increasingly important to maintain the ecological sustainability of these fragmented green spaces.

Keywords

Spatial Connectivity , Landscape Planning , Network Analysis , Spatial Pattern , Natural Landscape

Yeşil Alanların Ekolojik Bağlantılığının Mekânsal Zamansal Değerlendirilmesi: Manisa Örneği

Öz

Peyzaj paterni, çevresel faktörler ve insan etkisi ile sürekli değişmektedir. Bu değişiklik, peyzajların ekolojik bağlantılılıklarını etkilemektedir. Peyzajda bağlantılılığın değişimini ele alırken, peyzaj paterninin dağılımını ve kompozisyonunu analiz etmek önemlidir. Sanayileşme ve kentleşme sürecinin peyzaj üzerindeki etkisinin yüksek olduğu Manisa’da yapılan bu araştırma, doğallık seviyesi yüksek yeşil alanlar arasındaki ekolojik bağlantılılığın zaman içerisindeki değişimine odaklanmıştır. 1990, 2000 ve 2018 yılları arasındaki yeşil alanların yapısal bağlantılık değişimi, çeşitli mekânsal analizler ile incelenmiştir. Bu araştırma, yeşil alanların peyzaj paternindeki parçalanmasını izlemek ve referans olarak kullanılabilecek plan (peyzaj planı, üst ölçekli mekânsal planlar, bölge planı, peyzaj atlası vb.) kararlarının oluşturulmasında, “çevresel izleme ve değerlendirme” katkısı sunması bakımından değerlidir. Bağlantı haritalarının oluşturulmasında ve bağlantılılığın yorumlanmasında morfolojik mekânsal patern analizi ve network analizi kullanılmıştır. Bu araştırmanın iki amacı vardır: 1) bağlantılılık ünitelerinin mekânsal-zamansal değişimini izlemek, 2) bağlantılılık açısından önemli ekolojik düğüm ve bağları haritalamak ve bağlantılılık sınıflarının zamansal değişimi yorumlamak. Sonuçlar, 1990-2018 yılları arasında habitat ünitelerinde %3,49 (464,6 km2) azalma olduğunu göstermiştir. Yapısal bağlantılılığı sağlayan merkez ve koridorlar alanlarından toplam 178 km2 alan kaybedilmiştir. Yeşil alanların bağlantılık düzeyi haritasına göre, mekânsal zamansal değişim sonucunda, yüksek düzeyde bağlantılılık sağlayan düğüm yamalarının (nodes) düşük düzeyde bağlantı sağlayan yamalara dönüşmüştür. Buna ek olarak, ekolojik bağlantılılık sağlayan bağlantı ünitelerinin (links) önem düzeyi değişmiştir. Ekolojik bağlantılılığı çok düşük ve orta düzeydeki yeşil alanların önem düzeyinin artması, araştırma alanındaki bazı yeşil alanların parçalandığını ve bu nedenle oluşan yeni bağlantıların, önceki yıllardaki bağlantı seviyesine göre daha önemli olduğuna işaret etmektedir.

Anahtar Kelimeler

Mekânsal Bağlantılılık , Peyzaj Planlama , Network Analizi , Peyzaj Paterni , Doğal Peyzaj

Kaynakça

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Ayrıntılar

Birincil Dil

Türkçe

Konular

-

Bölüm

Araştırma Makalesi

Yazarlar

Derya Gülçin ^*
0000-0001-7118-0174
Canada

Yayımlanma Tarihi

31 Aralık 2020

Gönderilme Tarihi

14 Eylül 2020

Kabul Tarihi

20 Kasım 2020

Yayımlandığı Sayı

Yıl 2020 Cilt: 5 Sayı: 4

DOI

https://doi.org/10.35229/jaes.794559

IZ

https://izlik.org/JA34FM86SD

APA

Gülçin, D. (2020). Yeşil Alanların Ekolojik Bağlantılığının Mekânsal Zamansal Değerlendirilmesi: Manisa Örneği. Journal of Anatolian Environmental and Animal Sciences, 5(4), 585-596. https://doi.org/10.35229/jaes.794559

Cited By

Buffer ve Network Analiz Teknikleri Kullanılarak Kentsel Aktif Yeşil Alanlar için Mekânsal Yeterlilik ve Erişilebilirlik Analizi

Deu Muhendislik Fakultesi Fen ve Muhendislik

https://doi.org/10.21205/deufmd.2024267712

Determining Ecotourism Activity Strategies Based on Landscape Values: The Case of Manisa

Kent Akademisi

https://doi.org/10.35674/kent.1792106

JAES, 2016- 11.yıl

Spatio-Temporal Evaluation of the Structural Connectivity of Green Spaces in Manisa

Abstract

Keywords

Yeşil Alanların Ekolojik Bağlantılığının Mekânsal Zamansal Değerlendirilmesi: Manisa Örneği

Öz

Anahtar Kelimeler

Kaynakça

Ayrıntılar

Birincil Dil

Konular

Bölüm

Yazarlar

Yayımlanma Tarihi

Gönderilme Tarihi

Kabul Tarihi

Yayımlandığı Sayı

DOI

IZ

Kaynak Göster

Cited By

Buffer ve Network Analiz Teknikleri Kullanılarak Kentsel Aktif Yeşil Alanlar için Mekânsal Yeterlilik ve Erişilebilirlik Analizi

Determining Ecotourism Activity Strategies Based on Landscape Values: The Case of Manisa