Reproductive biology of the milk shark Rhizoprionodon acutus (Rüppell, 1837) from the Gulf of Suez, Red Sea, Egypt
نویسندگان
چکیده
منابع مشابه
Growth modelling of milk shark, Rhizoprionondon acutus (Ruppel, 1837) from waters of the Persian Gulf and Oman Sea (Hormozgan province)
This study aimed to investigate Growth modelling of the milk shark (Rhizoprionondon acutus Ruppel, 1837) from October 2019 until march 2021 for 18 months in northern waters of the Persian Gulf and the Oman Sea (Hormozgan Province). Overall, 317 shark samples of R. acutus including 137 males and 180 females were weighted. Results of the present work indicated that length-frequency distribution o...
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Stock assessment of Rhizoprionodon acutus (Ruppell, 1837) was made along with a few biological characteristics in the commercial landings during 2012-2014 from Gujarat waters of India to understand the population dynamics and stock status of the species. L∞, K and t0 estimated were 93.8 cm, 0.32 yr -1 and -1.3 yr, respectively. Total mortality rate (Z), fishing mortality rate (F) and natural mo...
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cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...
Listeria spp. in the coastal environment of the Aqaba Gulf, Suez Gulf and the Red Sea.
Listeria monocytogenes is an important pathogen which causes an infection called listeriosis. Because of the high mortality rate (~30%) associated with listeriosis, and the widespread nature of the organism, it is a major concern for food and water microbiologists since it has been isolated from various types of foods, including seafood, as well as from the aqueous environment. To investigate t...
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ژورنال
عنوان ژورنال: The Egyptian Journal of Aquatic Research
سال: 2018
ISSN: 1687-4285
DOI: 10.1016/j.ejar.2018.02.001