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Indicator Matrix for Fisheries and Aquaculture - Short List

by admin — last modified 2008-02-25 07:29 AM

Drafted indicator matrix for fisheries and aquaculture in the Gulf of Maine. List was initially shortened during a January 2008 conference call and further revised during a February 2008 conference call.

Category	Indicator	Scientifically Valid	Responsive to Change	Cause and Effect Link	Accurate Data Available	Relevant to Users	Comparable Regionally	Useful at Different Scales	Comparable to Targets, Thresholds, or Standards	Indicates a condition, (ie not a measurement only)
Biomass/Population Levels	Proportions of stock at or above targeted abundance or biomass	Yes	Yes	No	Yes	Yes	?	No	Yes	Yes
	Status of targeted fishery resource	Yes	Yes	No	Yes	Yes	?	No	Yes	Yes
	Population levels for selected species (could include non-targeted species like marine mammals)	Yes	Yes	No	Yes	Yes	?	No	Yes	Yes
	Biomass trends for selected species	Yes	Yes	No	Yes	Yes	?	No	Yes	Yes
	Incidental mortality of species of concern	Yes	Yes	No	Yes ?	yes	Yes	Yes	Yes	Yes
	Canary species trends (scavenger populations, sculpins, forager species)	Yes	Yes	No	Yes	?	?	?	Yes	Yes
Fishery Indicators	Days at sea	Yes	Yes	No	Yes	Yes	Yes	?	Yes	No
	Fleet composition	Yes	Yes	No	Yes ?	Yes	Yes ?	?	No	No
	Fishery effort	Yes	Yes	No	Yes	Yes	Yes	No	Yes	No
	Commercial fishing economic value	Yes	Yes	No	Yes	Yes	Yes	No	No	No
Physical and Chemical Regime	Temperature - Revisit if Climate Change Sub. doesn't take.	Yes	Yes	Maybe	Yes	Yes	Yes	Yes	No	Yes
	NAO	Yes	Yes	Maybe	Yes	??	No	No	No	Yes
	Salinity	Yes	Yes	Maybe	Yes	No?	Yes	Yes	No	Yes
	Sulfides
Aquaculture Indicators	Aquaculture economic value	??	??	No	??	??	Yes?	??	Yes?	No
	Production/leased areas per area Finfish Shellfish Integrated Multi-Trophic Aquaculture
Size	Mean length	Yes	Yes	No	Yes	Yes	Yes	No	Yes	Yes
	Mean weight	Yes	Yes	No	Yes	??	Yes	No	Yes	Yes
	Size spectra slope	Yes	Yes	No	Yes	No	Yes	No	Yes	Yes
Production	Primary production	Yes	??, Coastally yes	No	Partly	No	Yes	??	No	Yes
Energy Flow - Trophodynamic	Mean trophic level	Yes	??	No	Yes	No	Yes	No	Yes	Yes
	Total energy flow	Yes	Yes	No	??	??	Yes	Yes?	Yes	Yes
	Flatfish to pelagic fish biomass ratio	Yes	Yes	No	Yes	Maybe	Yes	??	Yes	Yes
	C/F ratios	Yes	Yes	No	Partly	No	Yes	??	Yes	Yes
	C/B ratios	Yes	Yes	No	Partly	No	Yes	??	Yes	Yes

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Indicator Matrix for Fisheries and Aquaculture - Short List