Arazi Değişim Bilimi: Sahra Altı Afrika’daki savan ekosistemlerinde korunan alanları uzaktan algılama ile gözlemlemenin zorluklarını anlamak

Yıl 2023, Sayı: 82, 63 - 76, 30.06.2023

Mehmet Özdeş , Jane Southworth

https://doi.org/10.17211/tcd.1211634

Öz

Bütünleşik bir insan-çevre sistemi olarak Arazi Değişim Bilimi (ADB), temel teorileri,
sorunları, metodolojileri ve model uygulamaları anlamak için arazi kullanımı ve arazi
örtüsünün dinamiklerini araştıran multidisipliner bir bilim dalıdır. Derleme şeklindeki
bu çalışma Sahra Altı Afrika’daki savan ekosistemi bölgelerinde bugüne kadar yapılmış
olan çalışmaları bir araya getirerek coğrafi bir perspektif çerçevesinde incelemektedir.
Yapılan çalışmada; (1) Sahra Altı Afrika’da, korunan alanların, bu alanların sınırlarındaki
insan yaşamı ve onların sosyo-ekonomik faaliyetlerin yanı sıra doğal çevre ve vahşi
yaşam üzerinde önemli ölçüde etkiye sahip olduğunun anlaşılmaktadır. (2) ADB alanında
uzaktan algılama (UZAL) teknolojisindeki yeni gelişmeler, arazi değişimi gözlemlerinin
yanı sıra ekoloji ve UZAL arasındaki ilişkiyi de etkilemektedir. (3) UZAL teknolojisi ekolojik
perspektif bilgimizi geliştirdiği gibi aynı zamanda birbiriyle ilişkili teknolojisi ekolojik
perspektif bilgimizi geliştirdiği gibi aynı zamanda birbiriyle ilişkili bilimsel disiplinlerle
bağlantı kurmak için yeni fırsatlar da yaratmıştır. (4) Savan bitki örtüsü, katmanlı ve
karmaşık yapısı nedeniyle diğer birçok ekosistemden çok daha kırılgandır. Bu nedenle,
değişen iklim koşulları ve çevresel değişimler nedeniyle özellikle Sahra Altı Afrika’da
ekosistemlerin yakın gelecekte çeşitli sorunlarla karşılaşması kaçınılmazdır. ADB’deki
yeni gelişmelere rağmen bu karmaşık ekosistemi anlamak araştırmacılar için bir zorluk
teşkil etmeye devam etmektedir. Dolayısıyla savan ekosistemlerinde sürdürülebilir bir
gelecek için doğal yaşam ve sosyo-ekonomik döngüyü daha iyi gözlemlemek ve anlamak
oldukça önemlidir.

Anahtar Kelimeler

Arazi Değişim Bilimi, Arazi kullanımı ve arazi örtüsü değişimi, Korunan Alanlar, Afrika Savan Ekosistemleri, Uzaktan Algılama

Destekleyen Kurum

Yok

Proje Numarası

Yok

Teşekkür

Bu derleme çalışması esnasında her aşamada yardımlarını esirgemeyen başta doktora tez danışmanım Profesör Dr. Jane Southworth olmak üzere emeği geçen bütün meslektaşlarıma teşekkürü bir borç bilirim. Bu çalışma, doktora tezimin bir parçasının yeniden dizaynı niteliğinde olup çalışma için herhangi bir kişi, kurum veya kuruluştan maddi yardım alınmamıştır.

Land Change Science: Understanding the complexity of monitoring protected areas in savanna ecosystems of Sub-Saharan Africa

Öz

Land Change Science (LCS), as a coupled human-environment system, is a multidisciplinary
area that explores the dynamics of land use and land cover to understand key
theories, problems, methodologies, and model applications. The present review integrated
the research that have been conducted in the savanna ecosystem of Sub-Saharan
Africa from a geographical perspective. The present study elaborates contemporary issues
and thoughts in terms of several key aspects: (1) Impacts of protected areas on the
surrounding natural environment, wildlife, and socio-economic activities of humans, (2)
with the impact of new developments in remote sensing (RS) technology, observations
of land change and the changes in the relationship between ecology and RS, (3) the
effects of developments in RS on our environmental perspective and new connection
opportunities for interrelated scientific disciplines, (4) the vulnerability of the savanna
vegetation due to its multilayered and complex structure. Due to the changing climatic
conditions, it is inevitable that ecosystems will encounter various problems in the near
future, especially in Sub-Saharan Africa. Understanding the complex savanna ecosystem
remains a challenge for researchers. Therefore, it is very essential to observe better and
understand the nature and socio-economic cycle of human for a sustainable future of
savanna ecosystems.

Anahtar Kelimeler

Land Change Science, Remote Sensing, Protected Areas, Land use and land cover change, African Savanna Ecosystems

Proje Numarası

Yok

Kaynakça

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