Yazar "Gaygusuz, Ozcan" için listeleme
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Assessing the potential impact of nonnative fish on native fish by relative condition
Gaygusuz, Ozcan; Emiroglu, Ozgur; Tarkan, Ali Serhan; Aydin, Hamdi; Top, Nildeniz; Dorak, Zeynep; Baskurt, Sercan (Tubitak Scientific & Technical Research Council Turkey, 2013)Nonnative species (NNS) pose one of the most common threats to the conservation of biodiversity. Given the difficulty in measuring and documenting the specific impacts of introduced species on native species, indices of ... -
THE BITTERLING-MUSSEL COEVOLUTIONARY RELATIONSHIP IN AREAS OF RECENT AND ANCIENT SYMPATRY
Reichard, Martin; Polacik, Matej; Tarkan, Ali Serhan; Spence, Rowena; Gaygusuz, Ozcan; Ercan, Ertan; Smith, Carl (Wiley-Blackwell, 2010)Host-parasite relationships are often characterized by the rapid evolution of parasite adaptations to exploit their host, and counteradaptations in the host to avoid the costs imposed by parasitism. Hence, the current ... -
Diurnal vertical distribution of zooplankton in a newly formed reservoir (Tahtali Reservoir, Kocaeli): the role of abiotic factors and chlorophyll a
Dorak, Zeynep; Gaygusuz, Ozcan; Tarkan, Ali Serhan; Aydin, Hamdi (Tubitak Scientific & Technical Research Council Turkey, 2013)Although water level fluctuations and related environmental variations occurring within reservoirs have a considerable effect on the zooplankton community, studies on zooplankton dynamics of reservoirs are very limited. ... -
The ecology of freshwater bivalves in the Lake Sapanca basin, Turkey
Ercan, Ertan; Gaygusuz, Ozcan; Tarkan, Ali Serhan; Reichard, Martin; Smith, Carl (Tubitak Scientific & Technical Research Council Turkey, 2013)Despite the ecological importance and globally threatened status of freshwater bivalves, the freshwater mussel fauna of Turkey has hitherto received little attention. The aim of this study was to describe the ecology of ... -
Invasion of freshwater bodies in the Marmara region (northwestern Turkey) by nonnative gibel carp, Carassius gibelio (Bloch, 1782)
Aydin, Hamdi; Gaygusuz, Ozcan; Tarkan, Ali Serhan; Top, Nildeniz; Emiroglu, Ozgur; Gaygusuz, Cigdem Gursoy (Tubitak Scientific & Technical Research Council Turkey, 2011)The aim of this study was to learn the invasion speed and sex ratio, which would be indicative of invasive character, of a nonnative fish species, gibel carp, by reporting its new localities in the Marmara region of ... -
A New Locality for the Freshwater Fish Chondrostoma angorense Elvira, 1987 (Osteichtyes: Cyprinidae) in the Marmara Region (Turkey)
Tarkan, Ali Serhan; Ozulug, Mufit; Gaygusuz, Ozcan; Gaygusuz, Cigdem Gursoy (Ege Univ, 2007)In Lake Sapanca, C. nasus was reported in 1966. However, careful examination on this specimen in 1987 revealed that this species was Vimba vimba. In the present study, we report the finding of C. angorense from Lake Sapanca ... -
The role of the European bitterling (Rhodeus amarus, Cyprinidae) in parasite accumulation and transmission in riverine ecosystems
Davidova, Martina; Blazek, Radim; Trichkova, Teodora; Koutrakis, Emmanuil; Gaygusuz, Ozcan; Ercan, Ertan; Ondrackova, Marketa (Springer, 2011)In aquatic ecosystems, fish play a key role in parasite accumulation and transmission to predacious animals. In the present study, realized on seven populations of a small cyprinid fish species, the European bitterling ... -
Threatened fishes of the world: Hemigrammocapoeta kemali Hanko, 1924 (Cyprinidae)
Gaygusuz, Ozcan; Akdemir, Derya; Tarkan, Ali Serhan; Acipinar, Hasan (Springer, 2009)[No abstract available]
