← Search

Data · collection

The depth distribution of meroplankton in the water column of Cape Hallett

Listed in NASA Earthdata CMR

Plankton was sampled at a single site (72° 18.412' S, 170° 11.290' E) off Seabee Hook, Edisto Inlet, Cape Hallett during the 04-05 season to determine if there is a different larval community at depths greater than 50 m of the water column.

Description

Two sampling periods were used, early season (19-23 November, 2004) and late season (1-5 December 2004) in randomised block sampling. Plankton was sampled at four depths (35, 50, 75, and 100 m) in random order.

A CTD probe produced a depth profile of salinity, temperature and chlorophyll to relate to the depth distribution of the larvae. Three replicate samples were taken at each depth. The 50 m samples were sorted fresh, larvae quantified and specimens photographed and preserved for DNA sequence analysis and morphological description.

Read the rest (1 more)

The other samples were preserved in a formalin based Steedman's fix and taken to the University of Auckland for analysis.

Links

Documentation and papers

Catalogue records · 2

Topics

Inferred from text
Oceanography 75%
Provenance · 1 source records, 17 field assertions
SourceKeyLast seenRaw
NASA Earthdata CMRC1214590915-SCIOPS15 d agoJSON v1
FieldAssertionExtractorEvidence
access_levelsource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[field].anzsrc:group:3708enrichment · NASA CMRtaxonomy-embedding@1.1.0title+keywords+description (75%)
concepts[instrument].gcmd_instrument:plankton-netssource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/biosphere/ecological-dynamics/community-dynamics/community-structuresource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/biosphere/ecological-dynamics/species-population-interactions/range-changessource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/biosphere/ecological-dynamics/species-population-interactions/use-feeding-habitatssource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/biosphere/ecosystems/aquatic-ecosystems/plankton/zooplanktonsource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/biosphere/ecosystems/marine-ecosystems/pelagicsource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/oceans/ocean-chemistry/chlorophyllsource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/oceans/ocean-temperaturesource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/oceans/salinity-density/salinitysource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[platform].gcmd_platform:not-providedsource · NASA CMRconnector:nasa_cmr@1.0.0
descriptionsource · NASA CMRconnector:nasa_cmr@1.0.0/umm/Abstract
spatialsource · NASA CMRconnector:nasa_cmr@1.0.0/umm/SpatialExtent
temporalsource · NASA CMRconnector:nasa_cmr@1.0.0/umm/TemporalExtents
titlesource · NASA CMRconnector:nasa_cmr@1.0.0/umm/EntryTitle
version_labelsource · NASA CMRconnector:nasa_cmr@1.0.0