Euchaeta Copepod Sensory Adaptations Across Viscosity Gradient

Three species of Euchaeta copepods, varying in length by three-fold and inhabiting waters from 0 to 23°C, form the model system for this study. The project measures nerve impulse conduction velocities, respiration rates, swimming and escape speeds, and muscle mass to investigate metabolic compensation. Research is led by AMD_USAPDC, with data last updated in July 2026.

Use Cases

• Analyze correlations between water viscosity (1 to 1.84 Centistokes) and measured swimming speeds (less than 1 to over 103 mm/s).
• Model evolutionary adaptations by comparing sensor length and neural function data across the three target species.
• Investigate metabolic compensation by linking respiration rate measurements with muscle mass and escape speed data.
• Assess the role of temperature (0-23°C) as a co-variate with viscosity on physiological metrics like nerve impulse conduction velocity.

Strengths

• Study spans a defined viscosity gradient from 1 to 1.84 Centistokes.
• Compares three species with a three-fold variation in body length.
• Includes training for eight early-career scientists from undergraduate to post-doctoral levels.

Limitations

• Specific row counts, column names, and sample sizes are not provided.
• Data format and file structure are unknown, complicating immediate analysis.
• Geographic sampling locations for the species are not specified.

Provenance

Source

nasa_earthdata, organization AMD_USAPDC.

Collection Method

Experimental measurements of nerve impulse conduction velocities, respiration rates, swimming speeds, and muscle mass on Euchaeta copepods.

Time Range

null

Freshness

Data is scheduled for update in July 2026.

Geography

Species inhabit a gradient spanning polar to subtropical regions, but specific locations are not given.