Studies on some ecological aspects of copepods and chaetognaths in the southern Black Sea, with particular reference to calanus euxinus

Beşiktepe, Şengül


Evaluation of the adaptation process of a reintroduced anatolian mouflon (ovis gmelinii anatolica) population through studying its demography and spatial ecology
Özüt, Deniz; Kence, Aykut; Department of Biology (2010)
In this thesis the demography, home range and habitat selection of a reintroduced population of Anatolian mouflon (Ovis gmelinii anatolica), which had a single remaining population, was studied to evaluate the reintroduction success and determine the conservation management interventions. For this purpose among 104 individuals reintroduced in Sarıyar Wildlife Protection Area (Ankara, Turkey), 40 adults were radio-collared and 28 juvenile were ear-tagged and monitored from 2005 to 2009. The survival of the p...
An integrated approach to computational vision - The edge strength function and the nested symmetries
Tarı, Zehra Sibel (1999-01-01)
A new development in local symmetry extraction and its connections to segmentation functionals and the fronts propagating with curvature-dependent speed are examined. The basic tool is a new distance function that attains its maximum value at the shape boundary and decays rapidly away from there. It is shown that the Hessian of the distance function captures perceptual information that can be extracted easily, efficiently, and robustly in the form of nested local shape symmetries at multiple scales. The mos...
Identification of demographic structure and population viability analysis of Gazella subgutturosa in Şanliurfa
Çobanoğlu, Aziz Emre; Kence, Meral; Department of Biology (2010)
Goitered gazelle (Gazella subgutturosa) is an Asian antelope species and it is classified as Vulnerable by IUCN. They have an economic, esthetic and cultural value; therefore, they had been hunted and domesticated for a long time. Additional human disturbance over years nearly led goitered gazelle populations in Turkey to extinction. Today in Turkey, only natural population of goitered gazelle lives in Şanlurfa. In this theses, demographic structure and population parameters of natural population goitered g...
Evaluation of Feature Channels for Correlation Filter Based Visual Object Tracking in Infrared Spectrum
Gündoğdu, Erhan; SOLMAZ, Berkan; Koç, AYKUT; HAMMOUD, RI; Alatan, Abdullah Aydın (2016-07-01)
Correlation filters for visual object tracking in visible imagery has been well-studied. Most of the correlation-filter-based methods use either raw image intensities or feature maps of gradient orientations or color channels. However, well-known features designed for visible spectrum may not be ideal for infrared object tracking, since infrared and visible spectra have dissimilar characteristics in general. We assess the performance of two state-of-the-art correlation-filter-based object tracking methods o...
Studies on the generalized and reverse generalized bessel polynomials
Polat, Zeynep Sonay; Taşeli, Hasan; Department of Mathematics (2004)
The special functions and, particularly, the classical orthogonal polynomials encountered in many branches of applied mathematics and mathematical physics satisfy a second order differential equation, which is known as the equation of the hypergeometric type. The variable coefficients in this equation of the hypergeometric type are of special structures. Depending on the coefficients the classical orthogonal polynomials associated with the names Jacobi, Laguerre and Hermite can be derived as solutions of th...
Citation Formats
Ş. Beşiktepe, “Studies on some ecological aspects of copepods and chaetognaths in the southern Black Sea, with particular reference to calanus euxinus,” Ph.D. - Doctoral Program, Middle East Technical University, 1998.