MOCNESS trawl data captures zooplankton species abundance and biomass in the Gulf of Alaska from 1997 to 2004. The dataset, part of the Gulf of Alaska Long-Term Observation Program, was collected by SCIOPS using 1 meter-square nets with 5 mm mesh on oblique hauls. It provides a multi-year record for ecological analysis.
Use Cases
- Analyze temporal trends in species_abundance and biomass across the 7-year sampling period.
- Model zooplankton community composition shifts in the Gulf_of_Alaska using catch data from oblique hauls.
- Correlate species abundance from 1 meter-square nets with environmental time-series data for ecosystem modeling.
- Assess interannual variability in biomass for key zooplankton taxa identified in the trawls.
Strengths
- Data collection spans 7 consecutive years (1997-2004), enabling trend analysis.
- Standardized sampling method using 1 meter-square nets with 5 mm mesh ensures consistency.
Limitations
- Specific sample size (row count) and number of measured variables (columns) are unknown.
- Data is over 15 years old, limiting analysis of recent ecological states.
Provenance
- Source
- SCIOPS via NASA EarthData.
- Collection Method
- Collected from MOCNESS (Multiple Opening/Closing Net and Environmental Sensing System) trawls using oblique hauls.
- Time Range
- 1997 to 2004.
- Freshness
- Last updated in 2004; static historical dataset.
- Geography
- Gulf of Alaska.