Download or read book Proceedings of the Regional Peer Review Meeting of the Assessment of Stock Status of Atlantic Herring Clupea Harengus from the Southern Gulf of St Lawrence NAFO Div 4T March 6 and 7 2012 Moncton New Brunswick written by Gerald J Chaput and published by . This book was released on 2013 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Proceedings of the Regional Peer Review Assessment of Atlantic Herring Clupea Harengus in NAFO Divisions 4VWX written by and published by . This book was released on 2015 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The overall objectives of the meeting were to review and evaluate biological and fishery information on 4VWX herring stock status to assist with establishing a recommended quota for the 2014/2015 fishery and, if possible, for the 2015/2016 fishery, as required in the Integrated Fisheries Management Plan (IFMP), including but not limited to: • An evaluation of the indicators for the Southwest Nova [...] Additional objectives of the meeting were to provide advice on the recovery and rebuilding of 4VWX herring, whether goals of the fishery rebuilding plan are being met, and to review reporting procedures to be used for stock status updates in the interim of the next formal science assessment of the stock. [...] In 2013 and 2014, some survey transects were conducted outside of the survey box, which was noted to have occurred given that the distribution of the spawning stock was observed to be outside the designated survey box. [...] Overall, there has been a reduction in the total number of fish in the landings from 2000-2014, from 7.6 million to 4.5 million, again due to changes in management practices adopted in the fishery in support of rebuilding of the stock. [...] The science lead clarified that numbers-at- age are weighted by landings and not from the survey, and the large proportion of age 1 and age 2 fish observed in the 1960s was noted.

Download or read book History of the Assessment of Southern Gulf of St Lawrence Atlantic Herring Clupea Harengus Stocks to 2013 written by Caroline LeBlanc and published by . This book was released on 2016 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This document was part of the information presented at a regional peer review of the assessment framework for the fall spawning component of Atlantic herring in the southern Gulf of St. Lawrence (sGSL) (NAFO Div. 4T). The stock area for the sGSL Atlantic herring extends from the north shore of the Gaspe Peninsula (Quebec) to the northern tip of Cape Breton Island (Nova Scotia) and includes the Magdalen Islands. The two seasonal herring spawning components that are assessed for the sGSL are spring spawners and fall spawners. SGSL herring are harvested by an inshore gillnet fleet fishing in coastal waters and a purse seine fleet of a maximum of 12 seiners (>65') fishing in deeper water. Since 1999, fall spawners have comprised 70% or more of the total catch in the sGSL. Market conditions have played a large role in determining catch levels in this fishery. There are approximately 3,000 herring bait licenses for personal use in the sGSL. In 2012 and 2013, there was an average of 712 actively fishing gillnet commercial licenses out of a possible total of 2,590 license holders. The assessment for each herring component currently provides a F0.1 fishing level calculation. Gillnet catch-per-unit-effort (CPUE) and acoustic survey indices were used to calibrate the population models. Spawning stock biomass reference points consistent with the Precautionary Approach were derived for both spawning components in 2005. The latest assessment of the sGSL herring stocks in 2013 showed pathological problems including blocks of residuals and large retrospective patterns when fitting the current population model. Similar problems were encountered in past assessments of the sGSL herring stocks"--Abstract.

Download or read book Proceedings of the Regional Peer Review Assessment of Atlantic Herring Clupea Harengus in NAFO Divisions 4VWX written by and published by . This book was released on 2015 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Population Modelling Results for the Assessment of Atlantic Herring Clupea Harengus Stocks in the Southern Gulf of St Lawrence NAFO Division 4T to 2015 written by D. P. Swain and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Assessment Framework for Fall spawning Atlantic Herring Clupea Harengus in the Southern Gulf of St Lawrence NAFO Div 4T written by D. P. Swain and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Assessment of the NAFO Division 4T Southern Gulf of St Lawrence Atlantic Herring Clupea Harengus Stocks in 2013 written by and published by . This book was released on 2015 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: The document presents the assessments of the spring spawning and fall spawning Atlantic herring components from the southern Gulf of St. Lawrence, NAFO Div. 4T. The 2013 assessment of the spring spawner component was based on a sequential population analysis calibrated on both the age-disaggregated gillnet catch rate (CPUE) and acoustic survey indices. The 2013 assessment of the fall spawner component was based on two sequential population analyses calibrated on an age-disaggregated gillnet catch rate (CPUE) index and an acoustic index for ages 2 and 3.

Download or read book Assessment of the NAFO Division 4T Southern Gulf of St Lawrence Atlantic Herring Clupea Harengus in 2016 and 2017 written by Jennifer McDermid and published by . This book was released on 2018 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Assessment of the Southern Gulf of St Lawrence NAFO Div 4T Spring and Fall Spawner Components of Atlantic Herring Clupea Harengus with Advice for the 2018 and 2019 Fisheries written by and published by . This book was released on 2018 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Assessment of the NAFO Division 4TVn Southern Gulf of St Lawrence Atlantic Herring Clupea Harengus in 2020 2021 written by N. Rolland (employee of Fisheries and Oceans Canada) and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Assessment of the NAFO Division 4TVn Southern Gulf of St Lawrence Atlantic Herring Clupea Harengus in 2018 2019 written by F. Turcotte and published by . This book was released on 2021 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Separation of Atlantic Herring Clupea Harengus Stocks in the Southern Gulf of St Lawrence Using Digitized Otolith Morphometrics and Discriminant Function Analysis written by S. N. Messieh and published by Dartmouth, N.S. : Fisheries and Oceans, Canada. This book was released on 1989 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: The identification of Atlantic herring stocks inhabiting both sides of the northern Atlantic has been the subject of numerous investigations for many years. In more recent years, the discreteness of the spring and autumn herring populations in the Gulf of St. Lawrence was established, a separation important for delineating proper fishery management units. Otolith characteristics, such as shape and first year's growth, were used in both the Gulf and Newfoundland regions, but the method used requires well-trained technicians and was criticized because of its subjectivity. A semi-automated microcomputer-based measuring system was developed for otolith measurements in the Gulf region to eliminate such subjectivity. The method uses a microscope with a drawing tube and a digitizer interfaced to a personal computer which analyzes the digitized otolith measurements using software packages. This report presents results using this system to separate herring spawning groups by otolith morphometrics.

Download or read book Assessment of the Southern Gulf of St Lawrence NAFO Division 4T 4Vn Spring and Fall Spawner Components of Atlantic Herring Clupea Harengus with Advice for the 2020 and 2021 Fisheries written by and published by . This book was released on 2020 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Proceedings of the Regional Peer Review of the Assessment of the West Coast of Newfoundland NAFO Division 4R Herring Clupea Harengus Stocks in 2022 written by and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This document contains the proceedings of the regional peer review meeting on the assessment of the West Coast of Newfoundland herring stocks (NAFO Division 4R). The meeting, which was held virtually via Zoom on March 1-2, 2022, brought together roughly 30 participants from science, management and the herring fishing industry. These proceedings describe the highlights of the meeting presentations and discussions and outline the recommendations and conclusions resulting from the review"--Summary, page iv.

Download or read book Updated Assessment to 2014 of the Fall Spawning Component of Atlantic Herring Clupea Harengus in the Southern Gulf of St Lawrence NAFO Div 4T and Advice for the 2015 Fishery written by and published by . This book was released on 2015 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Assessment of the Southern Gulf of St Lawrence NAFO Division 4TVn Spring and Fall Spawner Components of Atlantic Herring Clupea Harengus with Advice for the 2022 and 2023 Fisheries written by and published by . This book was released on 2022 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Assessment of the Southern Gulf of St Lawrence NAFO DIV 4T Spring and Fall Spawner Components of Atlantic Herring Clupea Harengus with Advice for the 2016 and 2017 Fisheries written by Canadian Science Advisory Secretariat and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: