Filun, Luis Orlando (2008): Gametogenic cycle of Mesodesma donacium in Mehuin beach, 1990, Valdivia, Chile [dataset]. Universidad de los Lagos, PANGAEA, https://doi.org/10.1594/PANGAEA.693931
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Project(s):
Funding:
Sixth Framework Programme (FP6), grant/award no. 511071: Climate variability and El Niño Southern Oscillation
Coverage:
Latitude: -39.433300 * Longitude: -73.216700
Date/Time Start: 1990-01-15T00:00:00 * Date/Time End: 1990-12-15T00:00:00
Minimum Elevation: 0.0 m * Maximum Elevation: 0.0 m
Event(s):
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 * Method/Device: Sampling by hand (HAND)
Comment:
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.
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | DATE/TIME | Date/Time | Geocode | |||
| 2 | Gonad stage, starting | Gon stg start | % | Filun, Luis Orlando | ||
| 3 | Gonad stage, developing | Gon stg dev | % | Filun, Luis Orlando | ||
| 4 | Gonad stage, ripe | Gon stg rip | % | Filun, Luis Orlando | ||
| 5 | Gonad stage, spawned | Gon stg spawn | % | Filun, Luis Orlando | ||
| 6 | Gonad stage, recovering | Gon stg recov | % | Filun, Luis Orlando |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
60 data points