Marine Fisheries - Causes for Decline and Impacts

^{General Lecture Outline}

I.  Introduction – Why study marine fisheries?

II.  Characterize the resource

III.  Status of the resource

(ITEMS I, II, and III above are covered in the companion module: Marine Fisheries - Introduction and Status)

IV.  Causes for fishery declines

• Overfishing
• Highly efficient technology
• Bycatch
• Overcapacity
• Climate change and ocean acidification
• Recreational fishing

V.  Community and ecosystem-level impacts of fishery declines

• Fishing down the food web
• Habitat degradation
• Trophic cascades
• Changes in life history traits

VI.  Why are fishery declines allowed to occur?

• Economics of overfishing/Government subsidies
• Growing human populations and increasing demand
• Shifting baselines
• Lack of adequate fisheries data

(ITEMS VII, VIII, IX, and X are covered in the companion module: Marine Fisheries - Management and Proposed Solutions)

VII.  Traditional fisheries management

VIII.  Market-based solutions

IX.  Ecosystem-based fishery management

X.  The future of marine fisheries

Module Description

Module Objectives

Sample PowerPoint Slide with notes

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