A Review of the Fishery and the Investigations of Roughhead Grenadier (Macrourus berglax) in Flemish Cap and Flemish Pass
We review the fishery and biological investigations carried out in the Flemish Cap and Flemish Pass area during the 25 years of NAFO history. In particular, we examine the information available on the biology and population structure of roughhead grenadier recorded in the following 7 research survey...
Published in: | Journal of Northwest Atlantic Fishery Science |
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Language: | English |
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Online Access: | http://hdl.handle.net/10508/823 http://hdl.handle.net/10261/329064 https://doi.org/10.2960/J.v37.m567 |
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ftcsic:oai:digital.csic.es:10261/329064 2024-02-11T10:06:34+01:00 A Review of the Fishery and the Investigations of Roughhead Grenadier (Macrourus berglax) in Flemish Cap and Flemish Pass Murua, Hilario González-Costas, Fernando Power, Don Atlantic Ocean North Atlantic Northwest Atlantic Flemish Cap 2005-10-21 http://hdl.handle.net/10508/823 http://hdl.handle.net/10261/329064 https://doi.org/10.2960/J.v37.m567 en eng Centro Oceanográfico de Vigo Murua, H., González, F, Power, D. 2005. A Review of the Fishery and the Investigations of Roughhead Grenadier (Macrourus berglax) in Flemish Cap and Flemish Pass. J. Northw. Atl. Fish. Sci., 37: 13-27 doi:10.2960/J.v37.m567 http://hdl.handle.net/10508/823 http://hdl.handle.net/10261/329064 open Pesquerías Centro Oceanográfico de Vigo catches feeding growth Roughhead grenadier reproduction artículo http://purl.org/coar/resource_type/c_6501 2005 ftcsic https://doi.org/10.2960/J.v37.m567 2024-01-16T11:49:38Z We review the fishery and biological investigations carried out in the Flemish Cap and Flemish Pass area during the 25 years of NAFO history. In particular, we examine the information available on the biology and population structure of roughhead grenadier recorded in the following 7 research surveys carried out in the Flemish Cap and Flemish Pass area (NAFO Div. 3LMN): Russian bottom trawl research survey (1974–86), Russian longline research survey (1982), Canadian deepwater bottom trawl research survey (1991, 1994 and 1995), European Union longline research survey (1996), European Union Flemish Cap bottom trawl research survey (1988–2004), Canadian autumn bottom trawl research survey (1978–2004) and Spanish 3NO bottom trawl research survey (1995–2004). In addition, biological data collected aboard Spanish commercial fishery vessels were analysed from 1997 to 2004. Indices of biomass from various surveys suggest stability during recent years. Most surveys indicated catch rates as well as average fish size increased with depth. Growth studies by sex demonstrated both sexes grew similarly up to 9–10 years, but the male growth was slower thereafter. Estimates of size and age at 50% maturity and fecundity were very similar for the different data sets studied, showing a late maturity and low fecundity. All the studies examined found that the roughhead grenadier show a very wide feeding spectrum. Article in Journal/Newspaper North Atlantic Northwest Atlantic Digital.CSIC (Spanish National Research Council) Journal of Northwest Atlantic Fishery Science 37 13 27 |
institution |
Open Polar |
collection |
Digital.CSIC (Spanish National Research Council) |
op_collection_id |
ftcsic |
language |
English |
topic |
Pesquerías Centro Oceanográfico de Vigo catches feeding growth Roughhead grenadier reproduction |
spellingShingle |
Pesquerías Centro Oceanográfico de Vigo catches feeding growth Roughhead grenadier reproduction Murua, Hilario González-Costas, Fernando Power, Don A Review of the Fishery and the Investigations of Roughhead Grenadier (Macrourus berglax) in Flemish Cap and Flemish Pass |
topic_facet |
Pesquerías Centro Oceanográfico de Vigo catches feeding growth Roughhead grenadier reproduction |
description |
We review the fishery and biological investigations carried out in the Flemish Cap and Flemish Pass area during the 25 years of NAFO history. In particular, we examine the information available on the biology and population structure of roughhead grenadier recorded in the following 7 research surveys carried out in the Flemish Cap and Flemish Pass area (NAFO Div. 3LMN): Russian bottom trawl research survey (1974–86), Russian longline research survey (1982), Canadian deepwater bottom trawl research survey (1991, 1994 and 1995), European Union longline research survey (1996), European Union Flemish Cap bottom trawl research survey (1988–2004), Canadian autumn bottom trawl research survey (1978–2004) and Spanish 3NO bottom trawl research survey (1995–2004). In addition, biological data collected aboard Spanish commercial fishery vessels were analysed from 1997 to 2004. Indices of biomass from various surveys suggest stability during recent years. Most surveys indicated catch rates as well as average fish size increased with depth. Growth studies by sex demonstrated both sexes grew similarly up to 9–10 years, but the male growth was slower thereafter. Estimates of size and age at 50% maturity and fecundity were very similar for the different data sets studied, showing a late maturity and low fecundity. All the studies examined found that the roughhead grenadier show a very wide feeding spectrum. |
format |
Article in Journal/Newspaper |
author |
Murua, Hilario González-Costas, Fernando Power, Don |
author_facet |
Murua, Hilario González-Costas, Fernando Power, Don |
author_sort |
Murua, Hilario |
title |
A Review of the Fishery and the Investigations of Roughhead Grenadier (Macrourus berglax) in Flemish Cap and Flemish Pass |
title_short |
A Review of the Fishery and the Investigations of Roughhead Grenadier (Macrourus berglax) in Flemish Cap and Flemish Pass |
title_full |
A Review of the Fishery and the Investigations of Roughhead Grenadier (Macrourus berglax) in Flemish Cap and Flemish Pass |
title_fullStr |
A Review of the Fishery and the Investigations of Roughhead Grenadier (Macrourus berglax) in Flemish Cap and Flemish Pass |
title_full_unstemmed |
A Review of the Fishery and the Investigations of Roughhead Grenadier (Macrourus berglax) in Flemish Cap and Flemish Pass |
title_sort |
review of the fishery and the investigations of roughhead grenadier (macrourus berglax) in flemish cap and flemish pass |
publishDate |
2005 |
url |
http://hdl.handle.net/10508/823 http://hdl.handle.net/10261/329064 https://doi.org/10.2960/J.v37.m567 |
op_coverage |
Atlantic Ocean North Atlantic Northwest Atlantic Flemish Cap |
genre |
North Atlantic Northwest Atlantic |
genre_facet |
North Atlantic Northwest Atlantic |
op_relation |
Centro Oceanográfico de Vigo Murua, H., González, F, Power, D. 2005. A Review of the Fishery and the Investigations of Roughhead Grenadier (Macrourus berglax) in Flemish Cap and Flemish Pass. J. Northw. Atl. Fish. Sci., 37: 13-27 doi:10.2960/J.v37.m567 http://hdl.handle.net/10508/823 http://hdl.handle.net/10261/329064 |
op_rights |
open |
op_doi |
https://doi.org/10.2960/J.v37.m567 |
container_title |
Journal of Northwest Atlantic Fishery Science |
container_volume |
37 |
container_start_page |
13 |
op_container_end_page |
27 |
_version_ |
1790604358198493184 |