Comment on “Five centuries of cod catches in eastern Canada,” by Schijns et al
Abstract Schijns et al. use a historical time series to inform a stock assessment model for the northern Atlantic cod (Gadus morhua) fishery from 1508 to 2019. They find that catches from the sixteenth century to the 1950s did not exceed 200000 t per annum and could have been sustained today “if fis...
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| Published in | ICES journal of marine science Vol. 79; no. 5; pp. 1705 - 1707 |
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| Main Authors | , , |
| Format | Journal Article |
| Language | English |
| Published |
Oxford University Press
29.07.2022
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| Abstract | Abstract
Schijns et al. use a historical time series to inform a stock assessment model for the northern Atlantic cod (Gadus morhua) fishery from 1508 to 2019. They find that catches from the sixteenth century to the 1950s did not exceed 200000 t per annum and could have been sustained today “if fishing effort and mortality had been stabilized in the 1980s”. Had Schijns et al. used a more complete and representative time series (as identified below), they would have found that catches were substantially higher during much of the time period, possibly affecting their conclusions regarding the timing and onset of unsustainable exploitation. In an earlier paper, based on original archival documentation, we have argued that total landings in the Newfoundland fishery averaged 400000 t in the eighteenth century and peaked at 600000 t in 1788. We contend that pre-industrial technology was sufficient to have a significant impact on marine life. |
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| AbstractList | Abstract
Schijns et al. use a historical time series to inform a stock assessment model for the northern Atlantic cod (Gadus morhua) fishery from 1508 to 2019. They find that catches from the sixteenth century to the 1950s did not exceed 200000 t per annum and could have been sustained today “if fishing effort and mortality had been stabilized in the 1980s”. Had Schijns et al. used a more complete and representative time series (as identified below), they would have found that catches were substantially higher during much of the time period, possibly affecting their conclusions regarding the timing and onset of unsustainable exploitation. In an earlier paper, based on original archival documentation, we have argued that total landings in the Newfoundland fishery averaged 400000 t in the eighteenth century and peaked at 600000 t in 1788. We contend that pre-industrial technology was sufficient to have a significant impact on marine life. Schijns et al. use a historical time series to inform a stock assessment model for the northern Atlantic cod (Gadus morhua) fishery from 1508 to 2019. They find that catches from the sixteenth century to the 1950s did not exceed 200000 t per annum and could have been sustained today “if fishing effort and mortality had been stabilized in the 1980s”. Had Schijns et al. used a more complete and representative time series (as identified below), they would have found that catches were substantially higher during much of the time period, possibly affecting their conclusions regarding the timing and onset of unsustainable exploitation. In an earlier paper, based on original archival documentation, we have argued that total landings in the Newfoundland fishery averaged 400000 t in the eighteenth century and peaked at 600000 t in 1788. We contend that pre-industrial technology was sufficient to have a significant impact on marine life. |
| Author | Hayes, Patrick W Nicholls, John Holm, Poul |
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| Cites_doi | 10.2960/J.v23.a4 10.1111/faf.12598 10.1093/icesjms/fsab153 10.1080/01615440.2020.1853643 |
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| Copyright | The Author(s) 2022. Published by Oxford University Press on behalf of International Council for the Exploration of the Sea. 2022 |
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| References | Harris (2022062909571903400_bib9) 1990 Barkham (2022062909571903400_bib4) 1987 Schijns (2022062909571903400_bib23) 2021; 78 Parkhurst (2022062909571903400_bib19) 1577 Barros (2022062909571903400_bib5) 2015 Holm (2022062909571903400_bib13) 2021 Barkham (2022062909571903400_bib2) 1990 Morse (2022062909571903400_bib17) 2001 Nicholls (2022062909571903400_bib18) 2021; 54 Holm (2022062909571903400_bib12) 2021; 23 Pope (2022062909571903400_bib22) 2003 de La Villemarqué (2022062909571903400_bib7) 1995 Hutchings (2022062909571903400_bib15) 1995 de lLa Villemarqué (2022062909571903400_bib6) 1991 Parkhurst (2022062909571903400_bib20) 1578 Pope (2022062909571903400_bib21) 1995 Barkham (2022062909571903400_bib3) 1977 Alexander (2022062909571903400_bib1) 1976; 5 Lear (2022062909571903400_bib16) 1998; 23 Haines (2022062909571903400_bib8) 2004 HistStats (2022062909571903400_bib10) 1970; 1 Hutchings (2022062909571903400_bib14) 1995 |
| References_xml | – volume-title: La pêche morutière française de 1500 à 1950. Statistiques, climat et société year: 1995 ident: 2022062909571903400_bib7 – volume-title: Shipowning, Shipbuilding and Trans-Atlantic Fishing in Spanish Basque ports, 1560–1630: a Case Study of Motrico and Zumay year: 1990 ident: 2022062909571903400_bib2 – year: 1990 ident: 2022062909571903400_bib9 – start-page: 7 volume-title: Human and Environmental Interactions in the Development of the North Atlantic Fisheries year: 2015 ident: 2022062909571903400_bib5 article-title: Cod fishery and global trade: Porto's ships in Newfoundland in the sixteenth century – start-page: 73 volume-title: Anglo-American Contributions to Basque Studies: Essays in Honor of Jon Bilbao year: 1977 ident: 2022062909571903400_bib3 article-title: Guipuzcoan shipping in 1571 with particular reference to the decline of the transatlantic fishing industry – start-page: pp. 526 volume-title: New American World: A Documentary History of North America to 1612. Newfoundland from Fishery to Colony year: 1578 ident: 2022062909571903400_bib20 article-title: Letter to Richard hakluyt the elder, 13 nov 1578 – volume: 1 year: 1970 ident: 2022062909571903400_bib10 article-title: Government of Newfoundland, Historical Statistics of Newfoundland (St. John's) – start-page: pp. 7 volume-title: Marine Resources and Human Societies in the North Atlantic Since 1500: Papers Presented at the Conference Entitled “Marine Resources and Human Societies in the North Atlantic Since 1500,” October 20-22, 1995 year: 1995 ident: 2022062909571903400_bib21 article-title: Early estimates: assessment of catches in the Newfoundland cod fishery, 1660- 1690 – volume-title: La Pêche Française de la Morue du XVIe au XVIIIe Siècle dans l'Atlantique du Nord-ouest year: 1991 ident: 2022062909571903400_bib6 – year: 2001 ident: 2022062909571903400_bib17 article-title: Statistics of Canadian production and trade in fish publication-title: Historical Statistics of Canada – volume: 23 start-page: 41 year: 1998 ident: 2022062909571903400_bib16 article-title: History of fisheries in the northwest Atlantic: the 500-year perspective publication-title: Journal of Northwest Atlantic Fishery Science doi: 10.2960/J.v23.a4 – volume: 23 start-page: 54 year: 2021 ident: 2022062909571903400_bib12 article-title: Accelerated extractions of north Atlantic cod and herring 1520–1790 publication-title: Fish and Fisheries doi: 10.1111/faf.12598 – start-page: 37 volume-title: The North Atlantic Fisheries: Successes, Failures & Challenges year: 1995 ident: 2022062909571903400_bib15 article-title: The biological collapse of Atlantic cod off Newfoundland and Labrador: an exploration of historical changes in exploitation, harvesting technology, and management – volume: 78 start-page: 2675 year: 2021 ident: 2022062909571903400_bib23 article-title: Five c publication-title: ICES Journal of Marine Science doi: 10.1093/icesjms/fsab153 – year: 2003 ident: 2022062909571903400_bib22 – start-page: 26 volume-title: Los Vascos en el Marco Atlántico Norte. Siglos XVI y XVII year: 1987 ident: 2022062909571903400_bib4 article-title: Los vascos y las pesquerías transatlánticas (1517–1713) – year: 2021 ident: 2022062909571903400_bib13 – year: 2004 ident: 2022062909571903400_bib8 – start-page: pp. 525 volume-title: New American World: A Documentary History of North America to 1612. Newfoundland from Fishery to Colony year: 1577 ident: 2022062909571903400_bib19 article-title: Anthony Parkhurst to [Edward Dyer?] – volume: 5 start-page: 56 year: 1976 ident: 2022062909571903400_bib1 article-title: Newfoundland's traditional economy and development to 1934 publication-title: Acadiensis: Journal of the History of the Atlantic Region – volume-title: Marine Resources and Human Societies in the North Atlantic since 1500: Papers Presented at the Conference Entitled “Marine Resources and Human Societies in the North Atlantic Since 1500,” October 20–22, 1995 year: 1995 ident: 2022062909571903400_bib14 article-title: Spatial and temporal variation in the exploitation of northern cod, gadus morhua: a historical perspective from 1500 to present – volume: 54 start-page: 80 year: 2021 ident: 2022062909571903400_bib18 article-title: The capacity trend method. A new approach for enumerating the Newfoundland cod fisheries (1675–1790) publication-title: Historical Methods: A Journal of Quantitative and Interdisciplinary History doi: 10.1080/01615440.2020.1853643 |
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Schijns et al. use a historical time series to inform a stock assessment model for the northern Atlantic cod (Gadus morhua) fishery from 1508 to 2019.... Schijns et al. use a historical time series to inform a stock assessment model for the northern Atlantic cod (Gadus morhua) fishery from 1508 to 2019. They... |
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