Description
An integrated, age-structured model was fitted to different combinations of survey data using two forms of selectivity (logistic or double-logistic) with time-constant or annually varying selectivity to investigate the population dynamics of Antarctic krill (Euphausia superba) near the Antarctic Peninsula. The
data were from surveys conducted by the U.S. Antarctic Marine Living Resources Program around the South Shetland Islands from 1992 to 2011. Two indices of krill biomass based on (1) trawl-net samples and (2) hydroacoustic sampling were combined with length-compositions from the nets. Sixteen model
configurations using different combinations of the two biomass surveys with the various options for modeling selectivities were examined.
Resources
| Name | Format | Description | Link |
|---|---|---|---|
| GCMD Keyword Forum Page | Unknown | Global Change Master Directory (GCMD). 2024. GCMD Keywords, Version 19. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords | Open resource |
| Global Change Master Directory (GCMD) Keywords | Unknown | The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords. | Open resource |
| US AMLR Stock Assessments | Unknown | Stock assessments to estimate the status and productivity of biological populations are a central tool in the management of the harvesting of living resources. These methods are used to determine sustainable catch levels that can be demonstrated to meet long-term management criteria. | Open resource |
| US AMLR Stock Assessments | Unknown | Stock assessments to estimate the status and productivity of biological populations are a central tool in the management of the harvesting of living resources. These methods are used to determine sustainable catch levels that can be demonstrated to meet long-term management criteria. | Open resource |
| US AMLR Stock Assessments | Unknown | Stock assessments to estimate the status and productivity of biological populations are a central tool in the management of the harvesting of living resources. These methods are used to determine sustainable catch levels that can be demonstrated to meet long-term management criteria. | Open resource |
| US AMLR Stock Assessments | Unknown | Stock assessments to estimate the status and productivity of biological populations are a central tool in the management of the harvesting of living resources. These methods are used to determine sustainable catch levels that can be demonstrated to meet long-term management criteria. | Open resource |
| Full Metadata Record | Unknown | View the complete metadata record on InPort for more information about this dataset. | Open resource |
| Full Metadata Record | Unknown | View the complete metadata record on InPort for more information about this dataset. | Open resource |
| NOAA Data Management Plan (DMP) | NOAA Data Management Plan for this record on InPort. | Open resource | |
| NOAA Data Management Plan (DMP) | NOAA Data Management Plan for this record on InPort. | Open resource |
Tags
- acoustics
- admb
- admiralty bay
- amlr
- amlr krill models
- antarctic
- antarctica
- bathymetry
- benthic
- bioacoustic
- biomass
- bransfield strait
- cape shirreff
- ccamlr
- chile
- clarence island
- copacabana
- deception island
- doc/noaa/nmfs/swfsc
- drake passage
- ecosystem
- elephant island
- hydroacoustic
- ikmt
- king george island
- krill
- livingston island
- marine
- mocness
- national marine fisheries service
- noaa. u.s. department of commerce
- peninsula
- population
- rmt8
- san telmo islands
- seal island
- south shetlands
- southwest fisheries science center
- surveys
- trawl
- weather