Other language confidence: 0.9686984308536295
Salinity in Kiel Fjord was recorded on mostly-weekly cruises of the research vessel FK Polarfuchs from 2005 to 2018 using a CTD48M probe (Sea and Sun technologies, Trappenkamp, Germany) at a station in front of the GEOMAR Pier (“Wittlingskuhle”, Position: 54°19'69 N, 10°09'06 E). These measurements are important for better understanding the salinity as one of the important abiotic factor determine the reproduction, establishment and has an effect on many species in the Baltic Sea in general and the fjord specifically.
Ovigerous females were collected by scraping from inner Kiel Fjord in July 2018 and kept under control constant temperature room (~19°C) until egg hatching. Newly hatched larvae were reared under combination of different salinity (6 levels, 10–25) and temperature (19 and 23 °C) treatments in order to estimate the salinity threshold and the interactive role of temperature for larval development in Kiel Fjord Hemigarspus takanoi. Experiments were conducted until larvae reached the megalopae stage (last larval stage) or died. The results of such study could give us a primary outlook on the dispersal ability of H. takanoi larvae along the Baltic Sea.
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