Data from: The potential for spatial distribution indices to signal thresholds in marine fish biomass
The frequently observed positive relationship between fish population abundance and spatial distribution suggests that changes in distribution can be indicative of trends in abundance. If contractions in spatial distribution precede declines in spawning stock biomass (SSB), spatial distribution refe...
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ftdans:oai:easy.dans.knaw.nl:easy-dataset:87591 2023-07-02T03:33:16+02:00 Data from: The potential for spatial distribution indices to signal thresholds in marine fish biomass Reuchlin-Hugenholtz, Emilie Shackell, Nancy L. Hutchings, Jeffrey A. 2015-03-23T20:20:34.000+01:00 http://nbn-resolving.org/urn:nbn:nl:ui:13-73-hmcs https://easy.dans.knaw.nl/ui/datasets/id/easy-dataset:87591 unknown doi:10.5061/dryad.cp8pj/6 doi:10.5061/dryad.cp8pj/7 doi:10.5061/dryad.cp8pj/8 doi:10.1371/journal.pone.0120500 PMID:25789624 http://nbn-resolving.org/urn:nbn:nl:ui:13-73-hmcs doi:10.5061/dryad.cp8pj https://easy.dans.knaw.nl/ui/datasets/id/easy-dataset:87591 OPEN_ACCESS: The data are archived in Easy, they are accessible elsewhere through the DOI https://dans.knaw.nl/en/about/organisation-and-policy/legal-information/DANSLicence.pdf Life sciences medicine and health care 2015 ftdans https://doi.org/10.5061/dryad.cp8pj/610.5061/dryad.cp8pj/710.5061/dryad.cp8pj/810.1371/journal.pone.012050010.5061/dryad.cp8pj 2023-06-13T13:17:18Z The frequently observed positive relationship between fish population abundance and spatial distribution suggests that changes in distribution can be indicative of trends in abundance. If contractions in spatial distribution precede declines in spawning stock biomass (SSB), spatial distribution reference points could complement the SSB reference points that are commonly used in marine conservation biology and fisheries management. When relevant spatial distribution information is integrated into fisheries management and recovery plans, risks and uncertainties associated with a plan based solely on the SSB criterion would be reduced. To assess the added value of spatial distribution data, we examine the relationship between SSB and four metrics of spatial distribution intended to reflect changes in population range, concentration, and density for 10 demersal populations (9 species) inhabiting the Scotian Shelf, Northwest Atlantic. Our primary purpose is to assess their potential to serve as indices of SSB, using fisheries independent survey data. We find that metrics of density offer the best correlate of spawner biomass. A decline in the frequency of encountering high density areas is associated with, and in a few cases preceded by, rapid declines in SSB in 6 of 10 populations. Density-based indices have considerable potential to serve both as an indicator of SSB and as spatially based reference points in fisheries management. Other/Unknown Material Northwest Atlantic Data Archiving and Networked Services (DANS): EASY (KNAW - Koninklijke Nederlandse Akademie van Wetenschappen) |
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Data Archiving and Networked Services (DANS): EASY (KNAW - Koninklijke Nederlandse Akademie van Wetenschappen) |
op_collection_id |
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topic |
Life sciences medicine and health care |
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Life sciences medicine and health care Reuchlin-Hugenholtz, Emilie Shackell, Nancy L. Hutchings, Jeffrey A. Data from: The potential for spatial distribution indices to signal thresholds in marine fish biomass |
topic_facet |
Life sciences medicine and health care |
description |
The frequently observed positive relationship between fish population abundance and spatial distribution suggests that changes in distribution can be indicative of trends in abundance. If contractions in spatial distribution precede declines in spawning stock biomass (SSB), spatial distribution reference points could complement the SSB reference points that are commonly used in marine conservation biology and fisheries management. When relevant spatial distribution information is integrated into fisheries management and recovery plans, risks and uncertainties associated with a plan based solely on the SSB criterion would be reduced. To assess the added value of spatial distribution data, we examine the relationship between SSB and four metrics of spatial distribution intended to reflect changes in population range, concentration, and density for 10 demersal populations (9 species) inhabiting the Scotian Shelf, Northwest Atlantic. Our primary purpose is to assess their potential to serve as indices of SSB, using fisheries independent survey data. We find that metrics of density offer the best correlate of spawner biomass. A decline in the frequency of encountering high density areas is associated with, and in a few cases preceded by, rapid declines in SSB in 6 of 10 populations. Density-based indices have considerable potential to serve both as an indicator of SSB and as spatially based reference points in fisheries management. |
author |
Reuchlin-Hugenholtz, Emilie Shackell, Nancy L. Hutchings, Jeffrey A. |
author_facet |
Reuchlin-Hugenholtz, Emilie Shackell, Nancy L. Hutchings, Jeffrey A. |
author_sort |
Reuchlin-Hugenholtz, Emilie |
title |
Data from: The potential for spatial distribution indices to signal thresholds in marine fish biomass |
title_short |
Data from: The potential for spatial distribution indices to signal thresholds in marine fish biomass |
title_full |
Data from: The potential for spatial distribution indices to signal thresholds in marine fish biomass |
title_fullStr |
Data from: The potential for spatial distribution indices to signal thresholds in marine fish biomass |
title_full_unstemmed |
Data from: The potential for spatial distribution indices to signal thresholds in marine fish biomass |
title_sort |
data from: the potential for spatial distribution indices to signal thresholds in marine fish biomass |
publishDate |
2015 |
url |
http://nbn-resolving.org/urn:nbn:nl:ui:13-73-hmcs https://easy.dans.knaw.nl/ui/datasets/id/easy-dataset:87591 |
genre |
Northwest Atlantic |
genre_facet |
Northwest Atlantic |
op_relation |
doi:10.5061/dryad.cp8pj/6 doi:10.5061/dryad.cp8pj/7 doi:10.5061/dryad.cp8pj/8 doi:10.1371/journal.pone.0120500 PMID:25789624 http://nbn-resolving.org/urn:nbn:nl:ui:13-73-hmcs doi:10.5061/dryad.cp8pj https://easy.dans.knaw.nl/ui/datasets/id/easy-dataset:87591 |
op_rights |
OPEN_ACCESS: The data are archived in Easy, they are accessible elsewhere through the DOI https://dans.knaw.nl/en/about/organisation-and-policy/legal-information/DANSLicence.pdf |
op_doi |
https://doi.org/10.5061/dryad.cp8pj/610.5061/dryad.cp8pj/710.5061/dryad.cp8pj/810.1371/journal.pone.012050010.5061/dryad.cp8pj |
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