[Submission]: SLI Zooplankton Abundance Anomaly

[BBeltz1]

Primary Contact

[email protected]

Secondary Contact

No response

Data Name (This will be the displayed title in Catalog)

SLI Zooplankton Abundance Anomaly

Indicator Name (as exists in ecodata)

New Indicator

Family (Which group is this indicator associated with?)

• Oceanographic
• Habitat
• Lower trophic levels
• Megafauna
• Social
• Economic

Data Description

The data presented here are a representation of the copepod size index based on the mean annual abundance anomaly of large bodied copepods subtracted from the mean annual abundance anomaly of small bodied copepods by ecoregion

Introduction to Indicator (Please explain your indicator)

The data represent the copepod size index based on the mean abundance anomaly of large bodied copepods subtracted from the mean abundance anomaly of small bodied copepods

Key Results and Visualization

The most recent data suggest a change in regime with respect to copepod size index for the GOM and GB, while the MAB the SLI remains low in the MAB. Synergy in cycles among ecoregions suggests large scale influence on size structure.

Implications

Changes in SLI have been linked to recruitment failures and changes in body condition for important commercial fish species. These change points were linked to periods when the SLI changed phase from positive to negative, which appears to be happening again

Spatial Scale

By EPU

Temporal Scale

Annual

Synthesis Theme

• Multiple System Drivers
• Regime Shifts
• Ecosystem Reorganization

Define Variables

Units and definitions are included in the data set under 'Units'

Indicator Category

• Published Methods
• Extensive analysis, not yet published
• Syntheses of published information
• Database pull
• Database pull with analysis
• Other

If other, please specify indicator category

No response

Data Contributors

Ryan Morse, Harvey Walsh

Point(s) of Contact

Ryan Morse ([email protected])

Affiliation

NEFSC

Public Availability

Source data are publicly available.

Accessibility and Constraints

Please email [email protected] for further information and queries of copepod staged abundance data