1 / 8

Biologically allowable level of exploitation of commercial fish stocks in the Barents Sea

Workshop on Harvest Control Rules for Sustainable Fisheries Management 13-15 September 2004. Biologically allowable level of exploitation of commercial fish stocks in the Barents Sea. Konstantin Drevetnyak. Knipovich Polar Research Institute of Marine Fisheries and

maeve
Download Presentation

Biologically allowable level of exploitation of commercial fish stocks in the Barents Sea

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Workshop on Harvest Control Rules for Sustainable Fisheries Management 13-15 September 2004 Biologically allowable level of exploitation of commercial fish stocks in the Barents Sea Konstantin Drevetnyak Knipovich Polar Research Institute of Marine Fisheries and Oceanography (PINRO), Murmansk, Russia

  2. Ye.M. Malkin. A principle of fishery regulation based on the conception of reproductive variability of population. J. Voprosy ichtiologii, 1995. Vol. 35. No. 4. P. 537-540.(In Russian) Robert E. Riclefs. 1976.The Economy of Nature - annual growth rate of a population -net reproductive rate (R=T-t+1) T - lifetime t - age of maturity - meangeneration time ( = (T+t)/2)

  3. Fig.1. Dependenceannual growth rate of a populationon age at maturity of femalest

  4. Table 1. Estimation of theoretically possible values of biologically allowable catches (%),in relation to female maturity age (after E.M. Malkin, 1995)

  5. Table 2. The biologically allowable catch of commercial fish stocks in the Barents Sea of,(%).

More Related