Antarctic Icefish Larval Physiology and Oceanographic Data from Bransfield Strait

A 2001 campaign by SCIOPS captured ice fish larvae (Family Channichthyidae) to study nitric oxide synthase isoforms as hypoxia markers, larval development status, and oxygen consumption. The study also examined ichthyoplankton distribution relative to oceanographic parameters and analyzed oxygen consumption of krill (Euphasia superba) at different life stages. Data collection involved a stratified network of oceanographic stations, with repeated sampling at Port Foster in Deception Island and an 11-station N-S line in the Bransfield Strait.

Use Cases

• Correlating larval fish development status with molecular markers like nitric oxide synthase isoforms and RNA/DNA rates.
• Studying the distribution of ichthyoplankton in relation to measured oceanographic parameters like salinity, temperature, and chlorophyll.
• Analyzing oxygen consumption rates of Antarctic icefish larvae and krill (Euphasia superba) under controlled conditions.
• Investigating spatial patterns in plankton communities using data from a multi-net sampling system across a stratified station network.

Strengths

• Campaign design included a stratified network of oceanographic stations with repeated sampling at key locations.
• Multiple biological targets studied: icefish larvae physiology, ichthyoplankton distribution, and krill oxygen consumption.
• Oceanographic profiles recorded multiple parameters including salinity, conductivity, temperature, chlorophyll, turbidity, depth, and oxygen.

Limitations

• Last updated 2001-02-01 23:59:59.999000; freshness should be verified.
• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and file formats are unknown, which may limit suitability assessment.

Provenance

Source

SCIOPS

Collection Method

Field campaign using CTD rosette with Niskin bottles, Bioness multi-net, and IKMT fishing for plankton and fish larvae.

Time Range

Campaign conducted in 2001.

Freshness

Last updated 2001-02-01 23:59:59.999000

Geography

Bransfield Strait and Port Foster in Deception Island, Antarctic region.