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Featured researches published by İlyas Bolat.


European Journal of Forest Research | 2014

The effect of thinning on microbial biomass C, N and basal respiration in black pine forest soils in Mudurnu, Turkey

İlyas Bolat

Reducing the canopy cover (e.g., forest thinning) is one of the most commonly employed forest silvicultural treatments. Trees are partially removed from a forest in order to manage tree competition, thus favoring the remaining and often the most valuable trees. The properties of the soil are affected by forest thinning as a result of changes in key microclimatic conditions, microbial communities and biomass, root density, nutrient budgets and organic matter turnover. The aim of this study was to determine the soil microbial biomass C, N and respiration (basal respiration) in a black pine (Pinus nigra Arn. subsp. pallasiana) forest in the Mudurnu district of Bolu Province (Western Black Sea Region, Turkey). Whereas forest thinning was found to cause increases in the soil temperature, microbial biomass C and N and organic C, it was found to decrease the soil moisture, basal respiration and metabolic quotient (qCO2). As expected, soil organic C exhibited a strong impact on soil microbial biomass C, N and basal respiration. It was concluded that the influence of forest thinning on the microbial biomass and soil respiration was the combined result of changing microclimatic conditions and soil properties, such as forest litter, soil temperature, soil moisture, soil pH and soil organic matter.


Journal of Bartin Faculty of Forestry | 2018

Küresel Isınma ve İklim Değişikliği: Bartin, Zonguldak ve Düzce Yöresine Ait Örnek Bir Çalışma

İlyas Bolat; Ömer Kara; Ertuğrul Tok

Kuresel isinma, yuzyilimizin en onemli sorunlarindan biri olarak kabul edilmektedir. Hemen hemen tum bilimsel cevreler ve medya kuruluslarinda, Dunya’nin giderek isindigi konusunda ortak bir gorus soz konusudur. Dunya sicakliginin 21. yuzyilda 1.5 °C ile 5.0 °C arasinda artacagi tahmin edilmektedir. Turkiye’de ise 2030 yili dolaylarinda yaz ve kis sicakliklarinin 2.0 °C-3.0 °C civarinda, kis yagislarinin ise %10’a kadar artacagi, yazin yagislarin azalacagi ve toprak nemi bakimindan kurakligin artacagi bildirilmektedir. Bu calismada, ulkemizin Bati Karadeniz Bogesi’nde yer alan Bartin, Zonguldak ve Duzce Illerinin merkez meteoroloji istasyonlarina ait 1980-1999 ve 2000-2015 yillari arasindaki minimum, maksimum ve ortalama sicaklik degerleri ile maksimum ve toplam yagis miktarlari incelenmistir. Sonuclar, aylar bazinda minimum ve maksimum sicakliklarda belirgin artislarin oldugunu isaret etmektedir. Bununla birlikte, Bartin, Zonguldak ve Duzce Illerinin aylik ve yillik ortalama sicaklik verilerinde, ozellikle yaz aylarinda artis egilimi tespit edilmistir. Diger taraftan, 1980-1999 ve 2000-2015 yillari arasindaki periyotlarda aylik ve yillik ortalama yagis verilerinde, ozellikle yaz aylarinda (Haziran, Temmuz ve Agustos) azalis egilimi ortaya cikmistir. Turkiye’miz, kuresel isinmanin potansiyel etkilerinin gorulme ihtimali acisindan, riskli ulkeler arasinda yer almaktadir. Iklim degisikliklerine karsi gerekli onlemler alinmaz ise, iklim degisikliginin ulkemizdeki dogal ekolojik sistemlerin bilesimini ve uretkenligini bozmasi ve biyolojik cesitliligi azaltmasi kacinilmaz olacaktir.


Turkish Journal of Agriculture and Forestry | 2008

The Effect of Different Land Uses on Soil Microbial Biomass Carbon and Nitrogen in Bartın Province

Ömer Kara; İlyas Bolat


Turkish Journal of Agriculture and Forestry | 2007

Impact of Alkaline Dust Pollution on Soil Microbial Biomass Carbon

Ömer Kara; İlyas Bolat


Journal of Basic Microbiology | 2007

Influence of soil compaction on microfungal community structure in two soil types in Bartin Province, Turkey

Ömer Kara; İlyas Bolat


Agricultural and Forest Meteorology | 2015

Influence of air–soil temperature on leaf expansion and LAI of Carpinus betulus trees in a temperate urban forest patch

Melih Öztürk; İlyas Bolat; Ahmet Ergün


Journal of Soils and Sediments | 2010

Slope length effects on microbial biomass and activity of eroded sediments

Ömer Kara; Hüseyin Şensoy; İlyas Bolat


Environmental Monitoring and Assessment | 2014

Transforming Pinus pinaster forest to recreation site: preliminary effects on LAI, some forest floor, and soil properties

Melih Öztürk; İlyas Bolat


Journal of the Faculty of Forestry Istanbul University | 2011

Relationships Between Soil Properties and Leaf Area Index in Beech, Fir and Fir-Beech Stands

Ömer Kara; Mahmut Şentürk; İlyas Bolat; Kamil Çakiroğlu


Journal of the Faculty of Forestry Istanbul University | 2016

Pre- and post-windstorm leaf area index of Carpinus betulus trees in an urban forest patch

Melih Öztürk; İlyas Bolat

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Ömer Kara

Karadeniz Technical University

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Davut Özer

Süleyman Demirel University

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