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Biology of fishery resources / / Xinjun Chen, Bilin Liu, editors
| Biology of fishery resources / / Xinjun Chen, Bilin Liu, editors |
| Pubbl/distr/stampa | Singapore : , : Science Press : , : Springer, , [2022] |
| Descrizione fisica | 1 online resource (191 pages) |
| Disciplina | 333.95611 |
| Soggetto topico |
Fish stock assessment
Fish stock identification Fishes - Research Peixos Investigació |
| Soggetto genere / forma | Llibres electrònics |
| ISBN |
981-16-6948-1
981-16-6947-3 |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910743377203321 |
| Singapore : , : Science Press : , : Springer, , [2022] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Estimating natural mortality in stock assessment applications / / edited by Jon Brodziak, Jim Ianelli, Kai Lorenzen, and Richard D. Methot, Jr
| Estimating natural mortality in stock assessment applications / / edited by Jon Brodziak, Jim Ianelli, Kai Lorenzen, and Richard D. Methot, Jr |
| Pubbl/distr/stampa | Silver Spring, MD : , : U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Marine Fisheries Service, , 2011 |
| Descrizione fisica | 1 online resource (v, 38 pages) : illustrations (some color) |
| Collana | NOAA technical memorandum NMFS-F/SPO |
| Soggetto topico |
Fishes - Mortality
Fishes - Mortality - Estimates Fish stock assessment Fish stock assessment - United States |
| Soggetto genere / forma | Conference papers and proceedings. |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910701088303321 |
| Silver Spring, MD : , : U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Marine Fisheries Service, , 2011 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Fish reproductive biology : implications for assessment and management / / edited by Tore Jakobsen [and three others]
| Fish reproductive biology : implications for assessment and management / / edited by Tore Jakobsen [and three others] |
| Edizione | [Second edition.] |
| Pubbl/distr/stampa | Chichester, England : , : Wiley Blackwell, , 2016 |
| Descrizione fisica | 1 online resource (646 p.) |
| Disciplina | 333.95/611 |
| Soggetto topico |
Fish stock assessment
Fishes - Reproduction Recruitment (Population biology) Fishery management |
| ISBN |
1-118-75272-4
1-118-75270-8 |
| Classificazione | TEC049000 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Dedication; Title page; Copyright; Contributors; Preface; Acronyms; Introduction; Scope and organisation of the book; Summary; References; Part I Biology, Population Dynamics, and Recruitment; CHAPTER 1 Recruitment in Marine Fish Populations; 1.1 Introduction; 1.2 Recruitment theory; 1.3 Completing the life cycle; 1.4 Stability properties; 1.5 Multistage models; 1.6 Yield and sustainable harvesting; 1.7 Implications of maternal effects; 1.8 Recruitment variability; 1.9 Summary; References; CHAPTER 2 Reproductive Dynamics; 2.1 Introduction
2.2 Determination of final fecundity in fishes with different life styles2.3 Reproductive strategies; 2.4 Egg structure and features of early ontogeny in fishes with different reproductive strategies; 2.5 Egg quality; 2.6 Influence of environmental factors on reproduction and recruitment; References; CHAPTER 3 Recruitment Variability; 3.1 Introduction; 3.2 Theories and hypotheses; 3.3 Physics and hydrography; 3.4 Biological (trophodynamic) factors; 3.5 Control and regulation: destabilizing and stabilizing processes; 3.6 A nod to life histories: life styles and recruitment variability 3.7 Stock and recruitment3.8 Modeling complex processes; 3.9 Solving the "recruitment problem"; 3.10 Conclusions; References; Notes; CHAPTER 4 Effects of Fishing on the Population; 4.1 Introduction; 4.2 Why should fishing affect populations? Theoretical expectations; 4.3 Estimating fishing effects: the evidence; 4.4 Understanding the changes: the processes; 4.5 Fishing effects and management advice; 4.6 Conclusion: future challenges; 4.7 Acknowledgements; References; Notes; Part II Information Critical to Successful Assessment and Management; CHAPTER 5 Egg, Larval, and Juvenile Surveys 5.1 Introduction5.2 General considerations; 5.3 Egg production surveys; 5.4 Larval survival surveys; 5.5 Juvenile surveys; 5.6 Management; 5.7 Remote sensing; 5.8 Species assemblages and water masses; 5.9 Summary; References; CHAPTER 6 Stock Identification; 6.1 Introduction; 6.2 Stock definitions and stock identification methods; 6.3 Stock structure considerations for reproductive biology; 6.4 Implications of stock structure for conserving reproductive potential; 6.5 Conclusions; References; CHAPTER 7 Stock Assessment Models and Predictions of Catch and Biomass; 7.1 Introduction 7.2 Fish stocks, management measures and types of advice7.3 The assessment problem and approaches to its solution; 7.4 A few case histories; 7.5 Incorporating understanding of the recruitment process into predictions; References; Notes; CHAPTER 8 Applied Fisheries Reproductive Biology: Contribution of Individual Reproductive Potential to Recruitment and Fisheries Management; 8.1 Introduction; 8.2 Reproductive styles of major commercial species; 8.3 Fecundity regulation; 8.4 Concluding remarks; 8.5 Acknowledgements; References Part III Incorporation of Reproductive Biology and Recruitment Considerations into Management Advice and Strategies |
| Record Nr. | UNINA-9910137483803321 |
| Chichester, England : , : Wiley Blackwell, , 2016 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Fish reproductive biology : implications for assessment and management / / edited by Tore Jakobsen [and three others]
| Fish reproductive biology : implications for assessment and management / / edited by Tore Jakobsen [and three others] |
| Edizione | [Second edition.] |
| Pubbl/distr/stampa | Chichester, England : , : Wiley Blackwell, , 2016 |
| Descrizione fisica | 1 online resource (646 p.) |
| Disciplina | 333.95/611 |
| Soggetto topico |
Fish stock assessment
Fishes - Reproduction Recruitment (Population biology) Fishery management |
| ISBN |
1-118-75272-4
1-118-75270-8 |
| Classificazione | TEC049000 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Dedication; Title page; Copyright; Contributors; Preface; Acronyms; Introduction; Scope and organisation of the book; Summary; References; Part I Biology, Population Dynamics, and Recruitment; CHAPTER 1 Recruitment in Marine Fish Populations; 1.1 Introduction; 1.2 Recruitment theory; 1.3 Completing the life cycle; 1.4 Stability properties; 1.5 Multistage models; 1.6 Yield and sustainable harvesting; 1.7 Implications of maternal effects; 1.8 Recruitment variability; 1.9 Summary; References; CHAPTER 2 Reproductive Dynamics; 2.1 Introduction
2.2 Determination of final fecundity in fishes with different life styles2.3 Reproductive strategies; 2.4 Egg structure and features of early ontogeny in fishes with different reproductive strategies; 2.5 Egg quality; 2.6 Influence of environmental factors on reproduction and recruitment; References; CHAPTER 3 Recruitment Variability; 3.1 Introduction; 3.2 Theories and hypotheses; 3.3 Physics and hydrography; 3.4 Biological (trophodynamic) factors; 3.5 Control and regulation: destabilizing and stabilizing processes; 3.6 A nod to life histories: life styles and recruitment variability 3.7 Stock and recruitment3.8 Modeling complex processes; 3.9 Solving the "recruitment problem"; 3.10 Conclusions; References; Notes; CHAPTER 4 Effects of Fishing on the Population; 4.1 Introduction; 4.2 Why should fishing affect populations? Theoretical expectations; 4.3 Estimating fishing effects: the evidence; 4.4 Understanding the changes: the processes; 4.5 Fishing effects and management advice; 4.6 Conclusion: future challenges; 4.7 Acknowledgements; References; Notes; Part II Information Critical to Successful Assessment and Management; CHAPTER 5 Egg, Larval, and Juvenile Surveys 5.1 Introduction5.2 General considerations; 5.3 Egg production surveys; 5.4 Larval survival surveys; 5.5 Juvenile surveys; 5.6 Management; 5.7 Remote sensing; 5.8 Species assemblages and water masses; 5.9 Summary; References; CHAPTER 6 Stock Identification; 6.1 Introduction; 6.2 Stock definitions and stock identification methods; 6.3 Stock structure considerations for reproductive biology; 6.4 Implications of stock structure for conserving reproductive potential; 6.5 Conclusions; References; CHAPTER 7 Stock Assessment Models and Predictions of Catch and Biomass; 7.1 Introduction 7.2 Fish stocks, management measures and types of advice7.3 The assessment problem and approaches to its solution; 7.4 A few case histories; 7.5 Incorporating understanding of the recruitment process into predictions; References; Notes; CHAPTER 8 Applied Fisheries Reproductive Biology: Contribution of Individual Reproductive Potential to Recruitment and Fisheries Management; 8.1 Introduction; 8.2 Reproductive styles of major commercial species; 8.3 Fecundity regulation; 8.4 Concluding remarks; 8.5 Acknowledgements; References Part III Incorporation of Reproductive Biology and Recruitment Considerations into Management Advice and Strategies |
| Record Nr. | UNINA-9910818516403321 |
| Chichester, England : , : Wiley Blackwell, , 2016 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Fish reproductive biology [[electronic resource] ] : implications for assessment and management / / edited by Tore Jakobsen ... [et al.]
| Fish reproductive biology [[electronic resource] ] : implications for assessment and management / / edited by Tore Jakobsen ... [et al.] |
| Edizione | [1st ed.] |
| Pubbl/distr/stampa | Oxford ; ; Ames, Iowa, : Blackwell Pub., 2009 |
| Descrizione fisica | 1 online resource (454 p.) |
| Disciplina |
639.3
639.8 |
| Altri autori (Persone) | JakobsenTore |
| Soggetto topico |
Fish stock assessment
Fishes - Reproduction Recruitment (Population biology) Fishery management |
| ISBN |
1-282-18920-4
9786612189203 1-4443-1213-8 1-4443-1212-X |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Fish Reproductive Biology; Contents; Preface; Contributors; Introduction; Part I Biology, Population Dynamics and Recruitment; Chapter 1 Recruitment in Marine Fish Populations; Chapter 2 Reproductive Dynamics; Chapter 3 Recruitment Variability; Chapter 4 Effects of Fishing on the Population; Part II Information Critical to Successful Assessment and Management; Chapter 5 Egg, Larval and Juvenile Surveys; Chapter 6 Stock Identification; Chapter 7 Stock Assessment Models and Predictions of Catch and Biomass
Chapter 8 Applied Fish Reproductive Biology: Contribution of Individual Reproductive Potential to Recruitment and Fisheries ManagementPart III Incorporation of Reproductive Biology and Recruitment Considerations into Management Advice and Strategies; Chapter 9 Current Paradigms and Forms of Advice; Chapter 10 Management: New Approaches to Old Problems; Chapter 11 Implementing Information on Stock Reproductive Potential in Fisheries Management: The Motivation, Challenges and Opportunities; Species Index; Subject Index; Colour plates appear between pages 262 and 263 |
| Record Nr. | UNISA-996206298503316 |
| Oxford ; ; Ames, Iowa, : Blackwell Pub., 2009 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. di Salerno | ||
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Fisheries ecology and management / Carl J. Walters and Steven J. D. Martell
| Fisheries ecology and management / Carl J. Walters and Steven J. D. Martell |
| Autore | Walters, Carl J. |
| Pubbl/distr/stampa | Princeton, N. J. : Princeton University Press, 2004 |
| Descrizione fisica | xx, 399 p. : ill. ; 25 cm |
| Disciplina | 639.2 |
| Altri autori (Persone) | Martell, Steven J. D. |
| Soggetto topico |
Fishery management
Fish stock assessment Marine ecology |
| ISBN | 0691115451 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNISALENTO-991002336739707536 |
Walters, Carl J.
|
||
| Princeton, N. J. : Princeton University Press, 2004 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. del Salento | ||
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Fishery status reports
| Fishery status reports |
| Pubbl/distr/stampa | Canberra, : Dept. of Agriculture, Fisheries, and Forestry, Bureau of Rural Sciences |
| Descrizione fisica | 1 online resource |
| Soggetto topico |
Fishery resources - Australia
Fish stock assessment - Australia Fisheries - Australia Fish stock assessment Fisheries Fishery resources |
| Soggetto genere / forma | Periodicals. |
| Formato | Materiale a stampa |
| Livello bibliografico | Periodico |
| Lingua di pubblicazione | eng |
| Altri titoli varianti |
Status of fish stocks managed by the Australian Government
Status of fish stocks and fisheries managed by the Australian Government |
| Record Nr. | UNINA-9910890956803321 |
| Canberra, : Dept. of Agriculture, Fisheries, and Forestry, Bureau of Rural Sciences | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Fishing vessel execution of acoustic surveys for deep-sea species : main issues and way forward
| Fishing vessel execution of acoustic surveys for deep-sea species : main issues and way forward |
| Pubbl/distr/stampa | Rome : , : Food and Agriculture Organization of the United Nations, , 2012 |
| Descrizione fisica | 1 online resource (105 p.) |
| Collana | FAO fisheries and aquaculture circular |
| Soggetto topico |
Underwater acoustics
Fishing surveys Fishery resources Fish stock assessment |
| Soggetto genere / forma | Electronic books. |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
""PREPARATION OF THIS DOCUMENT""; ""ABSTRACT""; ""CONTENTS""; ""1. INTRODUCTION AND BACKGROUND""; ""1.1 Introduction""; ""1.2 Background""; ""2. INSTITUTIONAL AND ORGANIZATIONAL ISSUES""; ""2.1 Who this report is intended for""; ""2.2 Why there is an issue""; ""2.3 Strategic and tactical considerations""; ""2.4 Requirements that must be met for stock assessment""; ""3. APPLICATIONS AT SEA AND OPERATIONAL CHALLENGES""; ""3.1 Operational characteristics""; ""3.2 Role of incentives/disincentives""; ""3.3 Integrating surveys with commercial fishing activities""; ""3.4 Echo mark identification""
""4. VESSELS AND EQUIPMENT""""4.1 Introduction""; ""4.2 The echosounder""; ""4.3 Frequency considerations""; ""4.4 Choice of vessel""; ""4.5 Location of transducers""; ""4.6 Calibration""; ""4.7 Opportunities for introduction of new technologies""; ""5. SURVEY METHODS""; ""5.1 Strategic considerations""; ""5.3 Area-based surveys""; ""5.4 Multiple surveys""; ""5.5 Deciding which data to use for estimation of abundance""; ""6. ACOUSTIC DATA PROCESSING""; ""7. ACOUSTIC BACKSCATTERING CROSS-SECTION VALUES""; ""7.1 Importance of proper specification"" ""7.2 Problems associated with use of Ï?b and sv values""""8. ESTIMATION OF ABUNDANCE""; ""8.1 Introduction""; ""8.2 Area-based surveys""; ""8.3 Aggregation-based surveys""; ""8.4 Comparison of estimators""; ""9. UNCERTAINTY OF RESULTS""; ""9.1 Sources of uncertainty""; ""9.2 Sampling error""; ""9.3 Determination of species composition""; ""9.4 Backscattering cross-section""; ""9.5 Fish distribution and behaviour""; ""9.6 Weather""; ""9.7 Seafloor acoustic “dead zoneâ€?""; ""9.8 Calibration error""; ""9.9 Other errors""; ""10. IMPORTANCE OF COLLECTION OF BIOLOGICAL DATA"" ""10.1 Data to be collected""""10.2 Species composition of the catch""; ""10.3 Length and weight frequency data""; ""10.4 Records of bycatch""; ""10.5 Sex composition and status of gonads""; ""10.6 Otoliths""; ""11. INCORPORATING INDUSTRY SURVEY RESULTS INTO THE ASSESSMENT AND MANAGEMENT PROCESS""; ""11.1 Stock assessment""; ""11.2 Indices of abundance""; ""11.3 Fishing vessel data and stock assessments""; ""12. FUNDING OF ACOUSTIC SURVEYS""; ""12.1 Funding considerations""; ""12.2 Cost items""; ""12.3 National applications""; ""13. DISCUSSION""; ""13.1 Common views"" ""13.2 Communication with vessel crews""""13.3 Research strategies""; ""14. WORKSHOP RECOMMENDATIONS""; ""14.1 General recommendations""; ""14.2 Applications at sea and operational challenges""; ""14.3 Vessels and equipment""; ""14.4 Operational protocols""; ""14.5 Collection of biological data""; ""14.6 Acoustic data processing""; ""14.7 Estimating and estimates of acoustic backscattering values of deepwater species""; ""14.8 Estimation of abundance""; ""14.9 Uncertainty (error in estimates)""; ""14.10 Costs involved in commercial vessel stock assessment and funding issues"" ""15. REFERENCES"" |
| Record Nr. | UNINA-9910464602703321 |
| Rome : , : Food and Agriculture Organization of the United Nations, , 2012 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Fishing vessel execution of acoustic surveys for deep-sea species : main issues and way forward
| Fishing vessel execution of acoustic surveys for deep-sea species : main issues and way forward |
| Pubbl/distr/stampa | Rome : , : Food and Agriculture Organization of the United Nations, , 2012 |
| Descrizione fisica | 1 online resource (105 p.) |
| Collana | FAO fisheries and aquaculture circular |
| Soggetto topico |
Underwater acoustics
Fishing surveys Fishery resources Fish stock assessment |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
""PREPARATION OF THIS DOCUMENT""; ""ABSTRACT""; ""CONTENTS""; ""1. INTRODUCTION AND BACKGROUND""; ""1.1 Introduction""; ""1.2 Background""; ""2. INSTITUTIONAL AND ORGANIZATIONAL ISSUES""; ""2.1 Who this report is intended for""; ""2.2 Why there is an issue""; ""2.3 Strategic and tactical considerations""; ""2.4 Requirements that must be met for stock assessment""; ""3. APPLICATIONS AT SEA AND OPERATIONAL CHALLENGES""; ""3.1 Operational characteristics""; ""3.2 Role of incentives/disincentives""; ""3.3 Integrating surveys with commercial fishing activities""; ""3.4 Echo mark identification""
""4. VESSELS AND EQUIPMENT""""4.1 Introduction""; ""4.2 The echosounder""; ""4.3 Frequency considerations""; ""4.4 Choice of vessel""; ""4.5 Location of transducers""; ""4.6 Calibration""; ""4.7 Opportunities for introduction of new technologies""; ""5. SURVEY METHODS""; ""5.1 Strategic considerations""; ""5.3 Area-based surveys""; ""5.4 Multiple surveys""; ""5.5 Deciding which data to use for estimation of abundance""; ""6. ACOUSTIC DATA PROCESSING""; ""7. ACOUSTIC BACKSCATTERING CROSS-SECTION VALUES""; ""7.1 Importance of proper specification"" ""7.2 Problems associated with use of Ï?b and sv values""""8. ESTIMATION OF ABUNDANCE""; ""8.1 Introduction""; ""8.2 Area-based surveys""; ""8.3 Aggregation-based surveys""; ""8.4 Comparison of estimators""; ""9. UNCERTAINTY OF RESULTS""; ""9.1 Sources of uncertainty""; ""9.2 Sampling error""; ""9.3 Determination of species composition""; ""9.4 Backscattering cross-section""; ""9.5 Fish distribution and behaviour""; ""9.6 Weather""; ""9.7 Seafloor acoustic “dead zoneâ€?""; ""9.8 Calibration error""; ""9.9 Other errors""; ""10. IMPORTANCE OF COLLECTION OF BIOLOGICAL DATA"" ""10.1 Data to be collected""""10.2 Species composition of the catch""; ""10.3 Length and weight frequency data""; ""10.4 Records of bycatch""; ""10.5 Sex composition and status of gonads""; ""10.6 Otoliths""; ""11. INCORPORATING INDUSTRY SURVEY RESULTS INTO THE ASSESSMENT AND MANAGEMENT PROCESS""; ""11.1 Stock assessment""; ""11.2 Indices of abundance""; ""11.3 Fishing vessel data and stock assessments""; ""12. FUNDING OF ACOUSTIC SURVEYS""; ""12.1 Funding considerations""; ""12.2 Cost items""; ""12.3 National applications""; ""13. DISCUSSION""; ""13.1 Common views"" ""13.2 Communication with vessel crews""""13.3 Research strategies""; ""14. WORKSHOP RECOMMENDATIONS""; ""14.1 General recommendations""; ""14.2 Applications at sea and operational challenges""; ""14.3 Vessels and equipment""; ""14.4 Operational protocols""; ""14.5 Collection of biological data""; ""14.6 Acoustic data processing""; ""14.7 Estimating and estimates of acoustic backscattering values of deepwater species""; ""14.8 Estimation of abundance""; ""14.9 Uncertainty (error in estimates)""; ""14.10 Costs involved in commercial vessel stock assessment and funding issues"" ""15. REFERENCES"" |
| Record Nr. | UNINA-9910789177203321 |
| Rome : , : Food and Agriculture Organization of the United Nations, , 2012 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Fishing vessel execution of acoustic surveys for deep-sea species : main issues and way forward
| Fishing vessel execution of acoustic surveys for deep-sea species : main issues and way forward |
| Pubbl/distr/stampa | Rome : , : Food and Agriculture Organization of the United Nations, , 2012 |
| Descrizione fisica | 1 online resource (105 p.) |
| Collana | FAO fisheries and aquaculture circular |
| Soggetto topico |
Underwater acoustics
Fishing surveys Fishery resources Fish stock assessment |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
""PREPARATION OF THIS DOCUMENT""; ""ABSTRACT""; ""CONTENTS""; ""1. INTRODUCTION AND BACKGROUND""; ""1.1 Introduction""; ""1.2 Background""; ""2. INSTITUTIONAL AND ORGANIZATIONAL ISSUES""; ""2.1 Who this report is intended for""; ""2.2 Why there is an issue""; ""2.3 Strategic and tactical considerations""; ""2.4 Requirements that must be met for stock assessment""; ""3. APPLICATIONS AT SEA AND OPERATIONAL CHALLENGES""; ""3.1 Operational characteristics""; ""3.2 Role of incentives/disincentives""; ""3.3 Integrating surveys with commercial fishing activities""; ""3.4 Echo mark identification""
""4. VESSELS AND EQUIPMENT""""4.1 Introduction""; ""4.2 The echosounder""; ""4.3 Frequency considerations""; ""4.4 Choice of vessel""; ""4.5 Location of transducers""; ""4.6 Calibration""; ""4.7 Opportunities for introduction of new technologies""; ""5. SURVEY METHODS""; ""5.1 Strategic considerations""; ""5.3 Area-based surveys""; ""5.4 Multiple surveys""; ""5.5 Deciding which data to use for estimation of abundance""; ""6. ACOUSTIC DATA PROCESSING""; ""7. ACOUSTIC BACKSCATTERING CROSS-SECTION VALUES""; ""7.1 Importance of proper specification"" ""7.2 Problems associated with use of Ï?b and sv values""""8. ESTIMATION OF ABUNDANCE""; ""8.1 Introduction""; ""8.2 Area-based surveys""; ""8.3 Aggregation-based surveys""; ""8.4 Comparison of estimators""; ""9. UNCERTAINTY OF RESULTS""; ""9.1 Sources of uncertainty""; ""9.2 Sampling error""; ""9.3 Determination of species composition""; ""9.4 Backscattering cross-section""; ""9.5 Fish distribution and behaviour""; ""9.6 Weather""; ""9.7 Seafloor acoustic “dead zoneâ€?""; ""9.8 Calibration error""; ""9.9 Other errors""; ""10. IMPORTANCE OF COLLECTION OF BIOLOGICAL DATA"" ""10.1 Data to be collected""""10.2 Species composition of the catch""; ""10.3 Length and weight frequency data""; ""10.4 Records of bycatch""; ""10.5 Sex composition and status of gonads""; ""10.6 Otoliths""; ""11. INCORPORATING INDUSTRY SURVEY RESULTS INTO THE ASSESSMENT AND MANAGEMENT PROCESS""; ""11.1 Stock assessment""; ""11.2 Indices of abundance""; ""11.3 Fishing vessel data and stock assessments""; ""12. FUNDING OF ACOUSTIC SURVEYS""; ""12.1 Funding considerations""; ""12.2 Cost items""; ""12.3 National applications""; ""13. DISCUSSION""; ""13.1 Common views"" ""13.2 Communication with vessel crews""""13.3 Research strategies""; ""14. WORKSHOP RECOMMENDATIONS""; ""14.1 General recommendations""; ""14.2 Applications at sea and operational challenges""; ""14.3 Vessels and equipment""; ""14.4 Operational protocols""; ""14.5 Collection of biological data""; ""14.6 Acoustic data processing""; ""14.7 Estimating and estimates of acoustic backscattering values of deepwater species""; ""14.8 Estimation of abundance""; ""14.9 Uncertainty (error in estimates)""; ""14.10 Costs involved in commercial vessel stock assessment and funding issues"" ""15. REFERENCES"" |
| Record Nr. | UNINA-9910806166803321 |
| Rome : , : Food and Agriculture Organization of the United Nations, , 2012 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
