Titlebook: Reef Fisheries; Nicholas V. C. Polunin,Callum M. Roberts Book 1996 Springer Science+Business Media Dordrecht 1996 complexity.ecology.ecosy

牛的細(xì)微差別

opalescence

我要威脅

錯(cuò)

Model and method in reef fishery assessment,tly and time consuming. The most common assessment approaches are based on single-species surplus-production or yield-per-recruit models, even though these might not be appropriate in a multitrophic, multispecies context. Multispecies models either require a prohibitive amount of data or they lump a

hemophilia

Prostatism

interlude

Traditional management of reef fishing,eligious leaders or specialists. Sets of rules governing the systems also vary among areas, but common characteristics are exclusivity, transferability, and enforcement. The rules are monitored and sanctions applied where necessary..These traditional management systems have already disintegrated qui

Microaneurysm

myalgia

Minutes