Temperature-Photoperiod Conditions Necessary to Begin the Spawning Season in Wild Type Medaka
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چکیده
منابع مشابه
Coral spawning in the Gulf of Oman and relationship to latitudinal variation in spawning season in the northwest Indian Ocean
Despite a wealth of information on sexual reproduction in scleractinian corals, there are regional gaps in reproductive records. In the Gulf of the Oman in the Arabian Sea, reproductive timing was assessed in four common species of broadcast spawning corals using field surveys of gamete maturity and aquarium observations of spawning activity. The appearance of mature gametes within the same mon...
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Background: Mercury (Hg) is considered a global pollutant because Hg0 which is the predominant form of atmospheric Hg resides in the atmosphere for as long as 0.5 to 2 years. Mercury has many negative effects on the reproductive, respiratory, and immune systems. Methods: In this study, 24 Caspian lampreys (Caspiomyzon wagneri) were transported to the university laboratory and then stored in ...
متن کاملThe innate immunity changes of the female anadromous hilsa shad, Tenualosa ilisha , during spawning and post spawning season
Tenualosa ilisha (Hamilton) is a valuable migratory fish belonging to the family Clupeidae and it is distributed in a wide area from the Persian Gulf to coasts of Pakistan and China’s southern sea. The aim of the present study was to investigate the changes occurring in innate immunity parameters during upstream migration and comparing them to those during post spawning. Sixty mature female hil...
متن کاملThe innate immunity changes of the female anadromous hilsa shad, Tenualosa ilisha , during spawning and post spawning season
Tenualosa ilisha (Hamilton) is a valuable migratory fish belonging to the family Clupeidae and it is distributed in a wide area from the Persian Gulf to coasts of Pakistan and China’s southern sea. The aim of the present study was to investigate the changes occurring in innate immunity parameters during upstream migration and comparing them to those during post spawning. Sixty mature female hil...
متن کاملThe Aspectual Type BEGIN
This paper deals with the notion of aspect as it is understood in the eventuality structure based formal approaches to aspect. These approaches typically link aspect to the interpretation of the philosophical and ontological notion of event, seen as a conceptual entity with rigid edges: beginning, protraction and end, and analyse and study extensively the end part of events ((Vendler, 1967),(Mo...
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ژورنال
عنوان ژورنال: NIPPON SUISAN GAKKAISHI
سال: 1989
ISSN: 0021-5392,1349-998X
DOI: 10.2331/suisan.55.747