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We filmed in locations across Cambodia to showcase the real weather issues people are facing – from flash flooding in the mountainous area of Kampong Speu province to lower fishing yields in the Tonle Sap.
Higher stocking densities (up to 5 fish m−2) can increase net fish yields further.
Although the entire coastal zone mean density calculation (CMD) for some countries yielded lower fishing densities, we characterized these values as underestimates of fishing density.
Fish yield in intensive fish ponds may reach ca. 5 tons of fish per ha.
The main quantitative differences are that for bell-shaped size-selectivity, the maximum yield is obtained at lower fishing intensities, and for sigmoid size-selectivity, the peak of high levels of yield extends over a narrower range of harvest rates in the spawner fishery.
The fish yield would be much lower, if calculated on area at FRL.
In a cistern or pond, a few fish yielded dietary protein.
Finstad, A. G. et al. Unimodal response of fish yield to dissolved organic carbon.
The yield up to 4 5 tonnes ha−1 of 200 250 g fish yield in around 6 months is possible if 1 fish m−2 is stocked.
Populations subjected to large size harvest quickly evolved lower growth rates, yields and mean fish weights while the small-size harvested populations did the reverse.
