Early development, survival and growth rates of the giant clam Tridacna crocea (Bivalvia: Tridacnidae)

Growth, Survival and Reproduction of the Giant Clam Tridacna maxima (Röding 1798, Bivalvia) in Two Contrasting Lagoons in French Polynesia

Shell growth, reproduction, and natural mortality of the giant clam Tridacna maxima were characterized over a two-year-period in the lagoon of the high island of Tubuai (Austral Archipelago) and in the semi-closed lagoon of Tatakoto (Tuamotu Archipelago) in French Polynesia. We also recorded temperature, water level, tidal slope, tidal range, and mean wave height in both lagoons. Lower lagoon a...

The effecTs of dieT, TemperaTure and saliniTy on survival of larvae of The fluTed gianT clam, Tridacna squamosa

Giant clams have been cultured for decades, yet few formal studies have examined their reproduction and early life history. Here we present two experiments that provide baseline information on the effects of micro-algal feeding, temperature and salinity on fertilization success and development of the fluted giant clam, Tridacna squamosa. The effect of different micro-algae feeds, i.e. Tetraselm...

Short communication: Effects of induced spawning on early development in snout otter clam, Lutraria philippinarum (Deshayes, 1854) (Bivalvia: Mactridae)

Short communication: Effects of induced spawning on early development in snout otter clam, Lutraria philippinarum (Deshayes, 1854) (Bivalvia: Mactridae)

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the survey of the virtual higher education in iran and the ways of its development and improvement

این پژوهش با هدف "بررسی وضعیت موجود آموزش عالی مجازی در ایران و راههای توسعه و ارتقای آن " و با روش توصیفی-تحلیلی و پیمایشی صورت پذیرفته است. بررسی اسنادو مدارک موجود در زمینه آموزش مجازی نشان داد تعداد دانشجویان و مقاطع تحصیلی و رشته محل های دوره های الکترونیکی چندان مطلوب نبوده و از نظر کیفی نیز وضعیت شاخص خدمات آموزشی اساتید و وضعیت شبکه اینترنت در محیط آموزش مجازی نامطلوب است.