Lecture 1: Introduction to Fisheries

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Presentation transcript:

Lecture 1: Introduction to Fisheries Introduction to Fisheries Management WMAN 445 August 21, 2006

What is a Fishery?

Golden

Ecological Interactions What is a Fishery? ORGANISMS Population Dynamics Behavior Life History HABITATS Water Quality Habitat Quality Ecological Interactions PEOPLE Sociology Economics Politics Social Justice

What is a Fishery? Targeted fish population, the aquatic habitat and associated species, and people associated with the capture and/or other use of the species

Recreational Vs. Commercial Sustenance

EXAMPLE OF A FISHERY

What is Fisheries Science? A multidisciplinary area of research, including fishing technology, biology, economics, and management. Obtaining basic knowledge.

What is Fisheries Management? Applying knowledge gained through basic research to manipulate aquatic organisms, aquatic environments, and their human users to produce sustainable benefits to people.

What is Fisheries Management? Manipulation of aquatic organisms, aquatic environments, and their human users to produce sustainable benefits to people.

The Adaptive Fisheries Process Management vs. Science Question Project Results and Synthesis Need Action Decision

Essentials of a Good Fisheries Manager Strong science and quantitative background. A coherent environmental ethic. Knowledge of economic forces. Knowledge of state and federal policies that affect aquatic resources (especially CWA). Ability to communicate with people that may disagree with you or have a very different background. Common sense.

Petty’s Ethic Human Societies depend on services provided by aquatic ecosystems (water, flood control, food, recreation, aesthetics). Our use of aquatic resources must protect the internal capability of aquatic ecosystems for on-going re-creation (i.e., sustainability). Self-sustaining fisheries require naturally functioning ecosystem processes. Fisheries managers should be actively managing to restore and protect natural ecosystem process such that self-sustaining aquatic ecosystems are maintained for the benefit of human society.

Issues in Fisheries Management Over Harvesting Agriculture Mining Urbanization Forestry Transportation Flood control By-catch Sedimentation Acid precipitation AMD Eutrophication Fish passage Habitat degradation and loss

In WV Acid precipitation AMD Sedimentation Eutrophication Stream filling and alteration