نتایج جستجو برای: a rivulatus
تعداد نتایج: 13431857 فیلتر نتایج به سال:
این تحقیق با هدف تأثیر تغذیه با پریان میگو (Phallocryptus spinosa ) بر هماوری و درصد تخمگشایی مولدین ماهیان زینتی دارای ارزش تجاری، از چهار جنس شامل: فرشته ماهی (Pterophyllum scalare)، گرین تیلور (Aequidens rivulatus)، گورامی (Trichopodus trichopterus) و افرا (Cynotilapia afra ) انجام گرفت. برای این منظور هر یک از گونههای ماهیان مولد، در دو گروه مطالعه: گروه یک، تغذیه با غذای دستی (دل گاو و ...
A big number of Red Sea species have entered the Mediterranean since opening Suez Canal. Some them quickly establish local populations and increase their abundance, forming a potential threat for biodiversity fisheries. Here, we use habitat modeling tools to study expansion three alien, demersal fish that basin at different times: Pterois miles, Siganus luridus rivulatus. Georeferenced occurren...
Information on the initial stages of dispersal and settlement are of great interest in understanding the dynamics of biological invasions and in designing management responses. A newly settled population of the Lessepsian rabbitfish migrant Siganus luridus, that arrived in Linosa Island (Sicily Strait) in 2000, offered a unique opportunity to examine the genetic variability of the early phase o...
Due to rapid urbanization and industrialization especially near water resources, heavy metal pollution in both inland environments have been studied all around the world. In this study, some selected metals (Al, Sr, Cd, Co, Ni and, Pb) fish species (Mullus barbatus, Solea solea, Siganus rivulatus) from three Bays (İskenderun, Mersin, Antalya North-Eastern Mediterranean Sea) were used for accumu...
One of the most degraded states of the Mediterranean rocky infralittoral ecosystem is a barren composed solely of bare rock and patches of crustose coralline algae. Barrens are typically created by the grazing action of large sea urchin populations. In 2008 we observed extensive areas almost devoid of erect algae, where sea urchins were rare, on the Mediterranean coast of Turkey. To determine t...
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