Meral Avci

Meral Avci
Istanbul University · Geography

About

74
Publications
104,594
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406
Citations
Citations since 2017
19 Research Items
235 Citations
2017201820192020202120222023010203040
2017201820192020202120222023010203040
2017201820192020202120222023010203040
2017201820192020202120222023010203040
Additional affiliations
April 2008 - present
Istanbul University
Position
  • Professor (Full)
April 1985 - present
Istanbul University
Position
  • Research Assistant

Publications

Publications (74)
Conference Paper
Full-text available
Dunes are found along all the coasts of Turkey. Coastal dunes are somewhat different habitats than their surroundings. They have certain economical values and lesser known, or unknown, ecological aspects. They are partially rich from a biodiversity’s point of view as well. These unique ecosystems are also under pressure due to various anthropogenic...
Chapter
Full-text available
Article
Full-text available
Turkey is one of the richest areas in the middle latitudes in terms of plant diversity. The main reasons for this are; climates varieties, geomorphological and soil diversities, and the situation of the area at the junction of three flora region (Euro-Siberian, Mediterranean and Irano-Turanian). When all these factors are combined, it provides many...
Article
Full-text available
A new form of Juniperus oxycedrus f. yaltirikiana characterized by a narrowly-columnar habit, is described from the vicinity of Zonguldak in NW Turkey as a taxon new to science. The local population of this juniper threatened by extensive exploitation should be propagated from seeds and by cuttings and preserved in botanical gardens. It can also be...
Article
Full-text available
Bu çalışmanın amacı, Anadolu'da Cedrus libani, Abies cilicica ve Juniperus drupacea'nın Son Buzul Maksimumu, günümüz ve gelecekte iklim değişikliklerine olan/olacak tepkilerini tahmin etmektir. Bu amaç kapsamında ele alınan konifer türlerin, küresel iklim değişim senaryolarına bağlı model sonuçlarına göre Anadolu'da zamansal ve mekânsal dağılışları...
Article
https://dergipark.org.tr/tr/pub/iucografya/issue/56332/845610 EN: Diversity components are explained with different concepts, approaches, and methods. Biodiversity conservation in specific areas of rich plant species diversity and endemism rate in Turkey is significant enough to be managed sustainably. Identifying biodiversity at different scales...
Chapter
Full-text available
Yapraklarını döken, entomogam ya da anemogam olan ağaç veya çalı halinde odunsu bitkilerdir. Yapraklar sarmal veya nadiren karşılıklı dizilişli, basit ve çoğunlukla kulakçıklı; kenarları tam, dişli veya nadiren de düzdür. Yaprak damarları tüysü ya da el görünüşündedir. Çiçekler bir eşeyli, iki evcikli ve brahteli olup bir yıllık sürgünlerin yan, ço...
Conference Paper
Full-text available
Parameters such as elevation, slope, aspect are highly effective on the floristic composition, vegetation cover ratio and distribution of plant communities. Mountainous areas, valleys, and depressions are different plant habitats based on morphologic character. The effect of the aspect on the vegetation depends on the difference of insolation and p...
Conference Paper
Full-text available
Despite conservation efforts since the 1990s, biodiversity losses continue to accelerate. The apparent impact of humanity on ecosystems and the resulting changes due to human activities have led to a new era: the Anthropocene. In this era, biodiversity conservation efforts are even more challenging because of both human impact and the consequences...
Article
Full-text available
In this research, 15 meteorological stations located in western Anatolia in Turkey were investigated for determining temperature properties. The vegetation season has been determined according to days when the daily temperature was greater than or equal to 8°C. The research area has 3 different vegetation durations as longer (more than 225 days in...
Chapter
Full-text available
Article
Full-text available
The Pleistocene is an important period for assessing the effects of climate change on biological diversity. In the beginning of this period, many tree species disappeared in the flora of Europe, with ongoing, but smaller losses later, and many tree species exhibiting repeated strong range shifts mostly at the end of the period. It is thought that s...
Poster
Full-text available
Sıcaklık bitki büyümesini etkileyen en önemli değişkenlerden biridir. Fotosentez, solunum, organ gelişimi ve büyümesi, kuru madde üretimi ve dağılımı sıcaklığa bağlıdır. Sıcaklık özellikleri aynı zamanda vejetasyon süresini de belirlediğinden, bitki gelişimi için oldukça önemlidir. İklim değişimi modelleme (A2 iklim senaryosu, ICTP-RegCM3 modeli) ç...
Article
Full-text available
In this study, we have investigated changes of vegetation in the Mediterranean Region of Turkey approximately for the last 5000 years using pollen analysis . There were some differences in the past vegetation, but principally vegetation structure has shown similarity with the modern one. Main difference appeared with the existence of Betula.
Chapter
Full-text available
Deniz ve karalar arasındaki geçiş alanlarını meydana getiren kıyılardaki kumul alanlarının bitki örtüsü, diğer alanlardan oldukça farklıdır. Bu farkı yaratan bir yetişme ortamı olarak kumulların özellikleri ve konumlarıdır. Kıyılarda kumullar bitki örtüsünün yetişme koşulları bakımından karmaşık sistemlerdir. Kumullarda bitki besin maddelerinin ve...
Conference Paper
Full-text available
Yews (Taxus L.), in eastern Asia, North Africa, Anatolia and North America and Europe, are naturally represented by 10 species. Among those, Taxus baccata, which is distributed throughout the temperate zones of Northern hemisphere, is the only species of Taxus to be naturally distributed in Turkey. It draws attention due to its elder samples living...
Poster
Full-text available
Akçay valley, SW Turkey, dendrogeomorphological methods, Pinus brutia
Conference Paper
Full-text available
Dunes are found along all the coasts of Turkey. Coastal dunes are somewhat different habitats than their surroundings. They have certain economical values and lesser known, or unknown, ecological aspects. They are partially rich from a biodiversity's point of view as well. These unique ecosystems are also under pressure due to various anthropogenic...
Conference Paper
Full-text available
The study area is Karasu dunes located on the coast of the Black Sea in the North of Turkey. Karasu dunes area is one of the rare dune beaches in the western section of the Black Sea. The dunes extend around 45 km. It takes attraction with its vegetation cover. During 4 excursions on the research area, various species of plants were collected and 7...
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Book
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The Central Anatolian Region draws attention as a vast area without forests where steppe formation is wide spread when especially compared to the coastal regions of Turkey. Not only the geomorphological processes it underwent but also other growth conditions have played an important role in the distribution of the plant formations in this region. I...
Article
Full-text available
Rhododendron species are valuable ornamental shrubs, cultivated since the 18th century. They belong to the Ericaceae or heath family. Most Rhododendron species, over 900, are found in Southwest Asia, ranging from the Himalayas to Tibet, Burma, China, Thailand, the Philippines and New Guinea. The distribution of native species extends down to Austra...
Article
Full-text available
Travellers' gathering plants during their travels in Turkey dates back to 1500s. Recognition of these plants has gone through important stages since those years. Tournefort, Bornmüller, Kotschy, Sintenis and Tchihatchef are some of the great number of researchers who have gathered plants and composed collections. Some plants have been named after r...
Conference Paper
Full-text available
Erinç, coğrafi yönteme sadık kalarak Vejetasyon Coğrafyasına hem fizyonomik-ekolojik hem de floristik anlamda yaklaşmıştır. Vejetasyonun yeryüzündeki mekanların özelliklerini belirlemekle ilgili önemini vurgulamış, güncelliğini koruyan bazı konuları da bu bakış açısıyla değerlendirmiştir. 20. yüzyıl tarihi insanlığın kendi entellektüel kapasitesini...
Conference Paper
Full-text available
Zonguldak ve çevresinin ekonomisi, maden kömürü ile buna bağlı olarak gelişen hizmet sektörüne dayanmaktadır. Yörede yaşayanlar için maden ocaklarında veya bir resmi dairede çalışabilmek, hayatı güvence altına almakla eşdeğerdir. Filyos havzası, Zonguldak ve çevresi için maden ocaklarının kapatılması durumunda ekonomik açıdan kendine yeterliliğini...
Article
Full-text available
Zoogeographical regions were first proposed in the nineteenth century and have undergone relatively little modification since. The earth was divided into such regions on the basis of its birdfaunae by Sclater and Wallace, principally considering the mammals, has adopted a quite similar division. Zoogeographical regions are Palearctic, Nearctic, Neo...
Article
Full-text available
Söğüt (Salix L.) cinsinin önemli bir kısmı kuzey yarımkürenin ılıman ve soğuk bölgelerinde, birkaç tanesi de tropikal bölgelerde yayılış gösteren 300 kadar türü bulunmaktadır. Bu söğüt türlerinden bazıları 30 m ye kadar boylanabilen ağaçlar halindedir. Ancak özellikle kuzeyde ağaç sınırına yakın sahalarda yetişen bazı söğüt türleri ise fazla gelişm...
Article
Full-text available
Turkey has a variety of plant species due to her position on the earth and to the characteristics of her climate, soil and geomorphology. This variety in plant species projects on the plant communities formed by clustering of plants having similar appearances and living conditions, although they are of the same species or of a different one. A real...

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Projects (5)
Project
Turkey has a tremendous biodiversity, in all three levels; gene, species and ecosystem diversity. In the face of climate change, however, this richness in biodiversity brings a huge responsibility to protect it. Turkey, located in the Mediterranean Basin region which is defined as one of the most vulnerable regions in the world to climate change and related effects by Intergovernmental Panel on Climate Change (IPCC) is and will be experiencing a temperature increase and serious hydrological alterations over next decades as indicated by different global climate models. Under this rapid changes, the answer to 'How will different types of vegetation cover in Turkey respond to these alterations?' question should be very well understood for an effective conservation and management planning. The primary objective of this thesis is to study different natural vegetation types in Turkey in the context of phenology and phenological shifts due to climate change by using satellite remote sensing data (MODIS/MOD09GA) for a period of 18 years (from 2001 to 2018). NDVI and GRVI indices will be used in the study.
Project
In this work, climate change effects on vegetation period in Turkey (especially in the Inner West Anatolia Subregion - the Western Turkey) have been researched.