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Filun, Luis Orlando (2008): Gametogenic cycle of Mesodesma donacium in Mehuin beach, Valdivia, Chile, July 1989 to June 1991. Universidad de los Lagos, PANGAEA,, In supplement to: Riascos, José M; Carstensen, Daniel; Laudien, Jürgen; Arntz, Wolf E; Oliva, Marcelo; Güntner, Andreas; Heilmayer, Olaf (2009): Thriving and declining: climate variability shaping life-history and population persistence of Mesodesma donacium in the Humboldt Upwelling System. Marine Ecology Progress Series, 385, 151-163,

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Further details:
Jaramillo, Eduardo; Pino, Mario; Filun, Luis Orlando; Gonzales, Marcia (1994): Longshore distribution of Mesodesma donacium (Bivalvia: Mesodesmatidae) on a sandy beach of the south of Chile. The Veliger, 37(2), 192-200, hdl:10013/epic.44359.d002
Latitude: -39.433300 * Longitude: -73.216700
Date/Time Start: 1989-07-15T00:00:00 * Date/Time End: 1991-06-15T00:00:00
Minimum Elevation: 0.0 m * Maximum Elevation: 0.0 m
Valdivia_donacium * Latitude: -39.433300 * Longitude: -73.216700 * Date/Time Start: 1989-07-15T00:00:00 * Date/Time End: 1991-06-15T00:00:00 * Elevation: 0.0 m * Location: Valdivia, Chile * Campaign: Historical_Chile * Device: Sampling by hand (HAND)
Gonad stage: Percentage (from a montly sample of 30 clams) of male and female clams classified into four gonad stages: inmature, mature, late maturity, spawned, regression. Classification was made after histological examination of Bouin-preserved gonad samples. Tissue embedded in paraffin after dehydration, sectioned at 7 µm and stained with standard haematoxylin-eosin stain before examination. Data points were extracted from figure 9 using Data Thief III software.
#NameShort NameUnitPrincipal InvestigatorMethodComment
2Gonad stage, startingGon stg start%Filun, Luis Orlando
3Gonad stage, developingGon stg dev%Filun, Luis Orlando
4Gonad stage, ripeGon stg rip%Filun, Luis Orlando
5Gonad stage, spawnedGon stg spawn%Filun, Luis Orlando
6Gonad stage, recoveringGon stg recov%Filun, Luis Orlando
120 data points

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