Search Results - "Ozkan, Ulas Yunus"

Comparison of satellite images with different spatial resolutions to estimate stand structural diversity in urban forests by Ozkan, Ulas Yunus, Ozdemir, Ibrahim, Demirel, Tufan, Saglam, Serhun, Yesil, Ahmet

“…The structural diversity in urban forests is highly important to protect biodiversity. In particular, fruit trees and bush species, cavity-bearing trees and…”
Get full text

The influence of window size on remote sensing-based prediction of forest structural variables by Ozkan, Ulas Yunus, Demirel, Tufan

“…Background Determining the appropriate window size is a critical step in the estimation process of stand structural variables based on remote sensing data…”
Get full text

Estimation of Structural Diversity in Urban Forests Based on Spectral and Textural Properties Derived from Digital Aerial Images by Ozkan, Ulas Yunus, Demirel, Tufan, Ozdemir, Ibrahim, Arekhi, Maliheh

“…Urban forests generally have a heterogeneous structure consisting of small vegetation patches. High spatial resolution digital aerial images are still a…”
Get full text

Forest fire and law: an analysis of Turkish forest fire legislation based on Food and Agriculture Organization criteria by Elvan, Osman Devrim, Birben, Üstüner, Özkan, Ulaş Yunus, Yıldırım, Hasan Tezcan, Türker, Yavuz Özhan

“…Background Because of climate and forest vegetation, Turkey has regions (particularly the Mediterranean and Aegean regions) that are vulnerable to forest…”
Get full text

Evaluating the Woody Species Diversity by Means of Remotely Sensed Spectral and Texture Measures in the Urban Forests by Ozkan, Ulas Yunus, Ozdemir, Ibrahim, Saglam, Serhun, Yesil, Ahmet, Demirel, Tufan

“…There is an urgent need to obtain an accurate data on biological diversity and its temporal variation, in order to adopt an appropriate protection strategy to…”
Get full text

Detecting treeline dynamics in response to climate warming using forest stand maps and Landsat data in a temperate forest by Arekhi, Maliheh, Yesil, Ahmet, Ozkan, Ulas Yunus, Balik Sanli, Fusun

“…Background Treeline dynamics have inevitable impacts on the forest treeline structure and composition. The present research sought to estimate treeline…”
Get full text

Estimation of Tree Size Diversity Using Object Oriented Texture Analysis and Aster Imagery by Ozdemir, Ibrahim, Norton, David A, Ozkan, Ulas Yunus, Mert, Ahmet, Senturk, Ozdemir

“…This study investigates the potential of object-based texture parameters extracted from 15m spatial resolution ASTER imagery for estimating tree size diversity…”
Get full text

Assessment of visual landscape quality using IKONOS imagery by Ozkan, Ulas Yunus

“…The assessment of visual landscape quality is of importance to the management of urban woodlands. Satellite remote sensing may be used for this purpose as a…”
Get full text

An Evaluation on Acoustic Behavior of Untreated Tree Trunks Depending on Bark Physical Properties and Fiber Cell Structure by Sağlam, Serhun, Güzelçimen, Feyza, Bingöl, Doğukan, Özkan, Ulaş Yunus, Ekici, Bülent

“…In recent years, noise pollution generated by increasing global urbanization has become an important issue. This study focused on determining the sound…”
Get full text

Predicting bird species richness and micro-habitat diversity using satellite data by Ozdemir, Ibrahim, Mert, Ahmet, Ozkan, Ulas Yunus, Aksan, Sengul, Unal, Yasin

“…[Display omitted] •The image texture can be used for mapping biodiversity.•Standard deviation of Gray levels is best predictor for BS richness and MH…”
Get full text

Predicting forest stand attributes using the integration of airborne laser scanning and Worldview-3 data in a mixed forest in Turkey by Ozkan, Ulas Yunus, Demirel, Tufan, Ozdemir, Ibrahim, Saglam, Serhun, Mert, Ahmet

“…The aim of this study is to examine the capability of the combined LiDAR/WorldView-3 data in estimating the plot-level stand attributes (stem number-N, mean…”
Get full text

Examining LiDAR – WorldView-3 data synergy to generate a detailed stand map in a mixed forest in the north-west of Turkey by Ozkan, Ulas Yunus, Demirel, Tufan, Ozdemir, Ibrahim, Saglam, Serhun, Mert, Ahmet

“…•LiDAR and WorldView-3 data were used for the automatic generation of stand map.•LiDAR/WorldView-3 data set provides a better image segmentation quality.•The…”
Get full text

Drought monitoring and assessment using Landsat TM/OLI data in the agricultural lands of Bandar-e-Turkmen and Gomishan cities, Iran by Arekhi, Maliheh, Saglam, Serhun, Ozkan, Ulas Yunus

“…Investigating agricultural drought is very important in semiarid areas, and it has a significant impact on people’s livelihood, which depends on farming. This…”
Get full text

Biomass estimation of aboveground tree components for Turkey oak (Quercus cerris L.) in south-eastern Turkey by Saglam, Serhun, Ozdemir, Emrah, Ozkan, Ulas Yunus, Demirel, Tufan, Makineci, Ender

“…Biomass equations were developed for different components of oak trees ( Quercus cerris L.), which have been managed in coppices at different development…”
Get full text

Estimation of fresh sprout biomass based on tree variables of pollarding Turkey oak (Quercus cerris L.) by Saglam, Serhun, Ozdemir, Emrah, Ozkan, Ulas Yunus, Demirel, Tufan, Makineci, Ender

“…Pollarding of oak trees for livestock and animal feeding is a traditional application, and it has been used for centuries from generation to generation in…”
Get full text

Fragmentation effects on the structure of some urban forests in İstanbul by Serhun Sağlam, Ünal Asan, Raffaele Lafortezza, Ulaş Yunus Özkan

Get full text

Forest stand delineation using Ikonos image and object based image analysis by Ulaş Yunus Özkan, Ahmet Yeşil

“…Together with the developments in satellite technology, it is considered that high resolution satellite data may be used as an alternative source of…”
Get full text

Relationships between spectral and bird species rarefaction curves in a brutian pine forest ecosystem by Özdemir, İbrahim, Mert, Ahmet, Özkan, Ulaş Yunus, Aksan, Şengül, Ünal, Yasin

“…This study aimed at determining the relations between spectral and bird species rarefaction curves in a brutian pine forest ecosystem located in the Fethiye…”
Get full text

Ağaçlandırma ve doğal gençleştirme yoluyla kurulmuş kızılçam meşcerelerinin yapısal özellikleri by Özkan, Ulaş Yunus, Özdemir, İbrahim

Get full text

Structural characteristics of planted and naturally regenerated brutian pine stands by Ulaş Yunus Özkan, İbrahim Özdemir

“…The acreage of secondary brutian pine (Pinus brutia Ten.) stands established both naturally following clearcutting and reforestation planting increases over…”
Get full text