Open AccessBook
Quantitative fisheries stock assessment : choice, dynamics, and uncertainty
Ray Hilborn,Carl J. Walters +1 more
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TLDR
In this paper, the role of stock assessment in fisheries management is discussed and a stock assessment and management work is performed in order to estimate the stock of fishes in a fishery.Abstract:
I Introduction.- 1 Role of Stock Assessment in Fisheries Management.- 2 Objectives of Fisheries Management.- II Behavior of Fisheries.- 3 Behavior of Exploited Populations.- 4 The Dynamics of Fishing Fleets.- III Estimation of Parameters.- 5 Observing Fish Populations.- 6 Relating Models to Data: Parameter Estimation.- 7 Stock and Recruitment.- 8 Biomass Dynamic Models.- 9 Delay Difference Models.- 10 Virtual Population Analysis.- 11 Statistical Catch-at-age Methods.- 12 Depletion Estimates of Population Size and Turnover.- 13 Analysis of Body-size and Growth Data.- 14 Multispecies Analysis.- IV Managing Fisheries.- 15 Harvest Strategies and Tactics.- 16 Optimization.- 17 Designing Adaptive Management Policies.- 18 Making Stock Assessment and Management Work.- Author Index.read more
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Journal ArticleDOI
Cube law, condition factor and weight-length relationships: history, meta-analysis and recommendations
TL;DR: A historical review, a meta-analysis, and recommendations for users about weight–length relationships, condition factors and relative weight equations are presented, indicating a tendency towards slightly positive-allometric growth (increase in relative body thickness or plumpness) in most fishes.
Book
Resilience Thinking: Sustaining Ecosystems and People in a Changing World
Brian Walker,David E. Salt +1 more
TL;DR: Resilience thinking as mentioned in this paper is a new way of understanding the world and a new approach to managing resources, it embraces human and natural systems as complex entities continually adapting through cycles of change and seeks to understand the qualities of a system that must be maintained or enhanced in order to achieve sustainability.
Journal ArticleDOI
Ecopath with Ecosim: methods, capabilities and limitations
TL;DR: The paper summarizes the capabilities of the modeling system with respect to evaluating how fisheries and the environment impact ecosystems and presents an overview of the computational aspects of the Ecopath, Ecosim and Ecospace modules as they are implemented in the most recent software version.
Book ChapterDOI
The effects of fishing on marine ecosystems
Simon Jennings,Michel J. Kaiser +1 more
TL;DR: In this paper, the effects of fishing on benthic fauna, habitat, diversity, community structure and trophic interactions in tropical, temperate and polar marine environments and consider whether it is possible to predict or manage fishing-induced changes in marine ecosystems.
Journal ArticleDOI
Declining oxygen in the global ocean and coastal waters.
Denise L. Breitburg,Lisa A. Levin,Andreas Oschlies,Marilaure Grégoire,Francisco P. Chavez,Daniel J. Conley,Véronique Garçon,Denis Gilbert,Dimitri Gutiérrez,Kirsten Isensee,Gil S. Jacinto,Karin E. Limburg,Ivonne Montes,S. W. A. Naqvi,Grant C. Pitcher,Grant C. Pitcher,Nancy N. Rabalais,Michael R. Roman,Kenneth A. Rose,Brad A. Seibel,Maciej Telszewski,Moriaki Yasuhara,Jing Zhang +22 more
TL;DR: Improved numerical models of oceanographic processes that control oxygen depletion and the large-scale influence of altered biogeochemical cycles are needed to better predict the magnitude and spatial patterns of deoxygenation in the open ocean, as well as feedbacks to climate.