Sentences with phrase «of fish biomass»

After the establishment of the Cabo Pulmo National Marine Park — and more than 10 years of local enforcement of no - take inside its boundaries — the Scripps Institution of Oceanography found that the amount of fish biomass in the protected area had increased more than fivefold, and shark biomass, tenfold.

• Coral reefs that maintained 500 kilograms of fish biomass per hectare (about 50 percent of an average reef's carrying capacity) were found to maintain ecological functions while sustaining local fisheries, providing fishers and marine managers with a critical target.

• According to the analysis, a coral reef with no fishing averages 1,000 kilograms per hectare of fish biomass.

Coral reefs that maintained 500 kilograms of fish biomass per hectare (about 50 percent of an average reef's carrying capacity) were found to maintain ecological functions while sustaining local fisheries, providing fishers and marine managers with a critical target.

«By linking fisheries to ecology, we can now make informed statements about ecosystem function at a given level of fish biomass.»

The abundance and distribution of fish biomass in the ocean is estimated, by coupling a fish food web model to ocean physics and biogeochemistry simulations covering the past 60 years.

With a single fish capable of producing more than one million eggs in a breeding cycle, carp now make up an estimated 80 — 90 % of the fish biomass in parts of the Murray — Darling Basin, the breadbasket region of southeast Australia...

Carp now account for up to 90 % of fish biomass in some areas of the Basin.