Estimates of biomass and potential yield for the deep-water red crab, Chaceon affinis and the toothed rock crab, Cancer bellianus (Decapoda: Brachyura) off the Azores (Mid-North Atlantic)
Available information on the deep-water red crab, Chaceon affinis and the toothed rock crab, Cancer bellianus, resulting from exploratory research surveys and commercial fishing experiments carried out in the Azorean Exclusive Economic Zone (EEZ), were summarized to estimate the biomass and potentia...
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ftrcaapojs:oai:ojs.revistas.rcaap.pt:article/23645 2023-05-15T17:36:57+02:00 Estimates of biomass and potential yield for the deep-water red crab, Chaceon affinis and the toothed rock crab, Cancer bellianus (Decapoda: Brachyura) off the Azores (Mid-North Atlantic) Santos, Régis 2022-02-04 application/pdf https://revistas.rcaap.pt/arquipelago/article/view/23645 eng eng Universidade dos Açores https://revistas.rcaap.pt/arquipelago/article/view/23645/17632 https://revistas.rcaap.pt/arquipelago/article/view/23645 Direitos de Autor (c) 2021 Arquipelago - Life and Marine Sciences Arquipelago - Life and Marine Sciences; Vol. 1 N.º 37 (2020): Arquipelago - Life and Marine Sciences 0873-4704 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Artigo Revisto por Pares 2022 ftrcaapojs 2022-07-28T06:02:52Z Available information on the deep-water red crab, Chaceon affinis and the toothed rock crab, Cancer bellianus, resulting from exploratory research surveys and commercial fishing experiments carried out in the Azorean Exclusive Economic Zone (EEZ), were summarized to estimate the biomass and potential yield (Maximum Sustainable Yield – MSY) for both fishery resources. The fishery potential was estimated through empirical methods usually applied when available information is scarce in line with the precautionary approach principle. Results suggest modest MSY values (considered as precautionary Total Allowable Catch – TAC), around 2,205 t for the deep-water red crab (2,159 t year-1 at seamounts and 46 t year-1 at coastal areas), and 471 t for the toothed rock crab (281 t year-1 at offshore seamounts and 189 t year-1 at coastal areas). Considering the limited available data and high uncertainty associated with these estimations, it is suggested that only a reduced number of vessels should be allowed to fish in the aggregated areas, namely coastal and seamount areas. The exploitation of these resources should be started in a very limited way followed by an ad hoc observer programme, aiming to collect reliable data that will allow, if it is the case, to raise in the future the exploitation level in a gradual and sustainable way. Available information on the deep-water red crab, Chaceon affinis and the toothed rock crab, Cancer bellianus, resulting from exploratory research surveys and commercial fishing experiments carried out in the Azorean Exclusive Economic Zone (EEZ), were summarized to estimate the biomass and potential yield (Maximum Sustainable Yield – MSY) for both fishery resources. The fishery potential was estimated through empirical methods usually applied when available information is scarce in line with the precautionary approach principle. Results suggest modest MSY values (considered as precautionary Total Allowable Catch – TAC), around 2,205 t for the deep-water red crab (2,159 t year-1 at seamounts ... Article in Journal/Newspaper North Atlantic SARC - Serviço de Alojamento de Revistas Científicas (RCAAP - Repositório Científico de Acesso Aberto de Portugal) Tac ENVELOPE(-59.517,-59.517,-62.500,-62.500) |
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Open Polar |
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SARC - Serviço de Alojamento de Revistas Científicas (RCAAP - Repositório Científico de Acesso Aberto de Portugal) |
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ftrcaapojs |
language |
English |
description |
Available information on the deep-water red crab, Chaceon affinis and the toothed rock crab, Cancer bellianus, resulting from exploratory research surveys and commercial fishing experiments carried out in the Azorean Exclusive Economic Zone (EEZ), were summarized to estimate the biomass and potential yield (Maximum Sustainable Yield – MSY) for both fishery resources. The fishery potential was estimated through empirical methods usually applied when available information is scarce in line with the precautionary approach principle. Results suggest modest MSY values (considered as precautionary Total Allowable Catch – TAC), around 2,205 t for the deep-water red crab (2,159 t year-1 at seamounts and 46 t year-1 at coastal areas), and 471 t for the toothed rock crab (281 t year-1 at offshore seamounts and 189 t year-1 at coastal areas). Considering the limited available data and high uncertainty associated with these estimations, it is suggested that only a reduced number of vessels should be allowed to fish in the aggregated areas, namely coastal and seamount areas. The exploitation of these resources should be started in a very limited way followed by an ad hoc observer programme, aiming to collect reliable data that will allow, if it is the case, to raise in the future the exploitation level in a gradual and sustainable way. Available information on the deep-water red crab, Chaceon affinis and the toothed rock crab, Cancer bellianus, resulting from exploratory research surveys and commercial fishing experiments carried out in the Azorean Exclusive Economic Zone (EEZ), were summarized to estimate the biomass and potential yield (Maximum Sustainable Yield – MSY) for both fishery resources. The fishery potential was estimated through empirical methods usually applied when available information is scarce in line with the precautionary approach principle. Results suggest modest MSY values (considered as precautionary Total Allowable Catch – TAC), around 2,205 t for the deep-water red crab (2,159 t year-1 at seamounts ... |
format |
Article in Journal/Newspaper |
author |
Santos, Régis |
spellingShingle |
Santos, Régis Estimates of biomass and potential yield for the deep-water red crab, Chaceon affinis and the toothed rock crab, Cancer bellianus (Decapoda: Brachyura) off the Azores (Mid-North Atlantic) |
author_facet |
Santos, Régis |
author_sort |
Santos, Régis |
title |
Estimates of biomass and potential yield for the deep-water red crab, Chaceon affinis and the toothed rock crab, Cancer bellianus (Decapoda: Brachyura) off the Azores (Mid-North Atlantic) |
title_short |
Estimates of biomass and potential yield for the deep-water red crab, Chaceon affinis and the toothed rock crab, Cancer bellianus (Decapoda: Brachyura) off the Azores (Mid-North Atlantic) |
title_full |
Estimates of biomass and potential yield for the deep-water red crab, Chaceon affinis and the toothed rock crab, Cancer bellianus (Decapoda: Brachyura) off the Azores (Mid-North Atlantic) |
title_fullStr |
Estimates of biomass and potential yield for the deep-water red crab, Chaceon affinis and the toothed rock crab, Cancer bellianus (Decapoda: Brachyura) off the Azores (Mid-North Atlantic) |
title_full_unstemmed |
Estimates of biomass and potential yield for the deep-water red crab, Chaceon affinis and the toothed rock crab, Cancer bellianus (Decapoda: Brachyura) off the Azores (Mid-North Atlantic) |
title_sort |
estimates of biomass and potential yield for the deep-water red crab, chaceon affinis and the toothed rock crab, cancer bellianus (decapoda: brachyura) off the azores (mid-north atlantic) |
publisher |
Universidade dos Açores |
publishDate |
2022 |
url |
https://revistas.rcaap.pt/arquipelago/article/view/23645 |
long_lat |
ENVELOPE(-59.517,-59.517,-62.500,-62.500) |
geographic |
Tac |
geographic_facet |
Tac |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_source |
Arquipelago - Life and Marine Sciences; Vol. 1 N.º 37 (2020): Arquipelago - Life and Marine Sciences 0873-4704 |
op_relation |
https://revistas.rcaap.pt/arquipelago/article/view/23645/17632 https://revistas.rcaap.pt/arquipelago/article/view/23645 |
op_rights |
Direitos de Autor (c) 2021 Arquipelago - Life and Marine Sciences |
_version_ |
1766136627558612992 |