2001 Castro-Longoria, E. Southampton Water Acartia tonsa records

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Marine Environmental Data & Information Network
Last updated:
29 August 2019
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Summary

Eggs produced by four Acartia species from the Solent-Southampton Water estuarine system were examined. Acartia tonsaproduced two morphologically distinct types of eggs, which were identified as subitaneous and diapause. Diapause eggs from this species were spiny while the subitaneous form had a relatively smooth chorion surface; a second subitaneous egg was produced by A. tonsa, which had significant spine extensions on the surface. Acartia margalefi, A. discaudata, and A. clausiproduced only smooth eggs, which were identified as subitaneous. Observations under scanning electron microscopy (SEM) revealed consistent interspecific variations in the texture of the chorion surface of both subitaneous and diapause eggs in all species. 

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Additional information

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Added to data.gov.uk
2018-02-01
Access contraints
DASSH terms and conditions apply
Harvest GUID
fe0ebef6-95b0-420a-b266-5ce98e223805
Extent
Latitude: 50.9653° to 50.7572°
Longitude: -1.5723° to -1.1040°
Spatial reference system
urn:ogc:def:crs:EPSG::4326
Dataset reference date
1996-12-31 (publication)
Frequency of update
notPlanned
Responsible party
Data Archive for Seabed Species and Habitats (DASSH) (custodian); National Oceanography Centre (NOC), Southampton (originator)
ISO 19139 resource type
dataset
Metadata language
eng
Source Metadata
XML
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