Sentence examples for fishery yield from inspiring English sources

The marine police are on the prowl by boat and airplane to keep poachers from the female crabs that are the key to maintaining what has been the Chesapeake region's most lucrative fishery yield.

The large fishery yield is supported by primary production, which is related to nutrient supplies from various sources in this area, including currents, upwelling, eddies, rivers, submarine groundwater discharge, and anthropogenic input1,2,3,4,5,6,7,8,9,10,11.

As a result, an initial preliminary forecast for the future development of the cod population and fishery yield in a Baltic Sea containing historically abundant levels of seals suggests a spawner biomass range between 176,000 470,000 t and yields between 48,000 130,000 t.

These traits are closely linked to population productivity and fishery yield.

(ii) In a population with an evolving migration strategy, what are the effects of fishing on fecundity, abundance, and fishery yield?

Outputs are probabilistic estimates of numbers-at-age, biomass and fishery yields.

All of the traits studied here are relevant to the health of fish stocks and may impact fishery yields.

Climate change poses risks to food security via reductions in agricultural and fishery yields, especially in already food-insecure regions such as in sub-Saharan Africa and South Asia (Dinar 2007).

Simulated fishery yields and probabilities of per-generation population decline revealed similar patterns within and between ages at maturity, independent of fishing gear, for values of F ranging between 0 and 0.6 (Figs 3 and 4).

Ricker's (1981 , 1995 pioneering analysis of changes in mean weight of several Canadian species of Pacific salmon Oncorhynchus spp. (and in mean age for Chinook salmon, O. tshawytscha) caught between 1950 and 1993 raised concerns about future fishery yields.

Although models have heuristic value in understanding the processes that determine the success of a reserve network, careful monitoring and evaluation will be required to evaluate RCAs as a tool for conservation and increasing fishery yields (Hilborn et al. 2004; Gaines et al. 2010).