U.S. Dept Commerce/NOAA/NMFS/NWFSC/Publications
NOAA Technical Memorandum NMFS-NWFSC-31
Commercial Fisheries Data Collection Procedures for U.S. Pacific Coast Groundfish
This document should be cited as follows:
Sampson, D.B., and P.R. Crone. 1997. Commercial Fisheries Data Collection Procedures for U.S. Pacific Coast Groundfish. NOAA Tech. Memo. NMRS-NWFSC-31, 189 p.
Paper copies of this report may be available for a fee from:
National Technical Information Service
5285 Port Royal Road
Springfield, VA 22161
1.1 Motivation for This Document 1.2 Historical Perspective 1.3 Overview 1.4 Acknowledgments 1.5 CitationsChapter 2 - Groundfish Data Collection in Washington
2.1 Introduction 2.1.1 Geographical Overview Major ports Major fishing grounds and principal species landed Port samplers 2.1.2 History of Data Collection Systems 2.1.3 Legal Authority to Collect Data Obligations of fishers Noncompliance 2.2 Fish Ticket/Landing Receipt System 2.2.1 Market Categories 2.2.2 Processing System 2.3 Logbook System 2.3.1 Groundfish Trawl Collection Data entry Error checking 2.4 Species-Composition Sampling 2.4.1 A Hypothetical Example 2.5 Biological Sampling 2.6 Estimating Derived Quantities 2.6.1 Trawl Catch and Effort: Point Estimates Tow-expanded values Distributed values Rockfish species catch through 1992 2.6.2 Trawl Catch and Effort: Variance Estimates Tow-expanded values Distributed values Rockfish species catch through 1992 2.6.3 Non-Trawl Catch and Effort 2.6.4 Catch-at-Age 2.6.5 Relation to PacFIN 2.7 Acknowledgments 2.8 CitationsChapter 3 - Groundfish Data Collection in Oregon
3.1 Introduction 3.1.1 Geographical Overview Major ports Major fishing grounds Principal species landed Port biologists and field staff 3.1.2 History of Data Collection Systems 3.1.3 Legal Authority to Collect Data Obligations of fishers Noncompliance 3.2 Fish Ticket/Landing Receipt System 3.2.1 Market Categories 3.2.2 Processing System Data entry and error checking Data processing in Portland 3.2.3 Groundfish Landings Not Covered by the Fish Ticket System 3.3 Logbook System 3.3.1 Groundfish Trawl Collection Data entry and error checking 3.3.2 Other Gears 3.4 Species-Composition Sampling 3.4.1 Sampling Protocol 3.4.2 A Hypothetical Example 3.4.3 Processing System Data entry and error checking Sampling coverage of the fishery 3.5 Biological Sampling 3.5.1 Sampling Protocol 3.5.2 Age Determination Methods 3.5.3 Processing System Data entry and error checking Sampling coverage of the fishery 3.6 Estimating Derived Quantities 3.6.1 Landings by Area 3.6.2 Rockfish Landings by Species 3.6.3 Catch-at-Age 3.6.4 Other Estimates 3.7 Acknowledgments 3.8 CitationsChapter 4 - Groundfish Data Collection in California
4.1 Introduction 4.1.1 Geographical Overview Major ports Major fishing grounds Principal species landed Port biologist locations 4.1.2 History of Data Collection Systems Documentation 4.1.3 Legal Authority to Collect Data Obligations of fishers Noncompliance 4.2 Fish Ticket/Landing Receipt System 4.2.1 Market Categories 4.2.2 Processing System 4.2.3 Groundfish Landings Not Covered by the Landing Receipt System 4.3 Logbook System 4.3.1 Groundfish Trawl Collection Data entry and error checking 4.3.2 Other Gears 4.4 Species-Composition Sampling 4.4.1 Sampling Protocol 4.4.2 A Hypothetical Example 4.4.3 Processing System 4.5 Biological Sampling 4.5.1 Sampling Protocol Rockfish Dover sole 4.5.2 Processing System 4.6 Estimating Derived Quantities 4.6.1 Landings by Area 4.6.2 Annual Estimates Rockfish Dover sole 4.6.3 Monthly Estimates to PacFIN 4.7 Acknowledgments 4.8 CitationsChapter 5 - State/Federal Groundfish Sampling Programs
5.1 Introduction 5.2 Sablefish 5.3 Lingcod 5.4 Pacific Hake 5.5 Acknowledgments 5.6 CitationsChapter 6 - Pacific Fisheries Information Network
6.1 Introduction 6.2 PacFIN System, 1981-87 6.2.1 Groundfish Data Collected by State Fishery Departments 6.2.2 Other Data 6.3 PacFIN System After 1987 6.3.1 Redefinition Project - Specification 6.3.2 Redefinition Project - Development 6.3.3 Vessel Summaries Subsystem 6.3.4 Transition to UNIX/Oracle Computing Environment 6.3.5 Limited-Entry Permit Subsystem 6.4 Current PacFIN System 6.4.1 Overall Data Flow 6.4.2 PacFIN Database Tables Code list tables Fish ticket tables Proportion tables Summary tables Other tables 6.4.3 Central Processing - Update 6.4.4 Central Processing - Retrieval 6.4.5 Data Completeness 6.4.6 Confidentiality of Data 6.5 Acknowledgments 6.6 CitationChapter 7 - Comparison of the Washington, Oregon, and California Groundfish Data Systems and Discussion of Potential for Improvements
7.1 Introduction 7.2 Similarities and Differences Among the State Systems 7.3 Logistical Constraints 7.4 Opportunities for Standardization 7.5 Other Opportunities to Improve the System or Increase Efficiency 7.6 Recommendations 7.7 Acknowledgments 7.8 CitationsAppendix A - Examples of fish tickets used in Washington, Oregon, and California
Appendix B - List of common and scientific names for species of fish included in this document
The Pacific Groundfish Statistics Working Group convened for the first time in June 1992 in Seattle, with the primary objective of reviewing the data collection and processing procedures used to monitor commercial groundfish landings in Washington, Oregon, and California. At this meeting, the Group unanimously agreed that complete documentation of these procedures was long overdue and decided to embrace the daunting task of assembling the material that appears in this Technical Memorandum.
Earlier attempts at documenting data collection systems for U.S. Pacific coast groundfish fisheries resulted in rather general and superficial descriptions of the monitoring programs. This was primarily due to the very complex nature of the systems, in which the scope and intricacies of the data collection programs used in the three states had evolved largely independently. At the outset, the Group recognized that considerable attention, planning, and logistical and financial support would be needed to complete this Technical Memorandum. We thank all of the members of the Group for preparing their respective chapters in a timely fashion and for addressing the recommendations made by the editors.
We thank Stan Allen of the Pacific States Marine Fisheries Commission and Rick Methot of the National Marine Fisheries Service (Northwest Fisheries Science Center, Fishery Analysis and Monitoring Division) for financial support, without which this document would never have been completed. We thank Julianne Pagel of the Publications Unit of the National Marine Fisheries Service (Northwest Fisheries Science Center) and Tonya Builder of the National Marine Fisheries Service (Northwest Fisheries Science Center, Fishery Analysis and Monitoring Division) for reviewing drafts of this report and for editorial suggestions that greatly improved the final version. Finally, we thank Alec MacCall of the National Marine Fisheries Service (Southwest Fisheries Science Center, Tiburon Laboratory) for encouraging us to undertake this task and to publish this Technical Memorandum.
To all who were involved, thanks for your perseverance and patience.
David B. Sampson
Paul R. Crone