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Nour, Ola Mohamed; Pansch, Christian; Stumpp, Meike (2025): Experiment on Hemigrapsus takanoi larvae from Kiel Fjord under different tempaerature and salinity levels [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.986645

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Published: 2025-10-15 • DOI registered: 2025-11-13

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Abstract:
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.
Keyword(s):
Hemigrapsus takanoi; Kiel Fjord; larval development; Salinity; warming
Supplement to:
Nour, Ola Mohamed; Pansch, Christian; Stumpp, Meike (2022): Freshening and warming may restrict dispersal of Hemigrapsus takanoi into the Baltic Proper due to interactive effects on larval survival and feeding. Marine Biology, 169(10), 125, https://doi.org/10.1007/s00227-022-04112-0
Coverage:
Latitude: 54.548330 * Longitude: 10.246660
Date/Time Start: 2018-07-18T00:00:00 * Date/Time End: 2018-07-18T00:00:00
Event(s):
Kiel_fjord_H.takanoi_2018 * Latitude: 54.548330 * Longitude: 10.246660 * Date/Time: 2018-07-18T00:00:00 * Location: Kiel Fjord * Method/Device: Scrape sample (SCRAPE)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Type of studyStudy typeNour, Ola Mohamed
2SpeciesSpeciesNour, Ola Mohamed
3SexSexNour, Ola Mohamed
4Carapace widthCarap wmmNour, Ola MohamedFemale
5Treatment: temperatureT:temp°CNour, Ola Mohamed
6Treatment: salinityT:salNour, Ola Mohamed
7ReplicatesRepl#Nour, Ola MohamedFemale replicate
8ReplicatesRepl#Nour, Ola MohamedBeaker replicate
9Day of experimentDOEdayNour, Ola Mohamed
10Number of individuals, survivedInd No survived#Nour, Ola MohamedNumbers of Zoae I survived
11Number of individuals, survivedInd No survived#Nour, Ola MohamedNumbers of Zoae II survived
12Number of individuals, survivedInd No survived#Nour, Ola MohamedNumbers of Zoae III survived
13Number of individuals, survivedInd No survived#Nour, Ola MohamedNumbers of Zoae IV survived
14Number of individuals, survivedInd No survived#Nour, Ola MohamedNumbers of Zoae V survived
15Number of individuals, survivedInd No survived#Nour, Ola MohamedNumbers of Megalopa survived
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
202270 data points

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