biomass yield

См. также в других словарях:

• Biomass to liquid — (BTL) or BMTL is a (multi step) process to produce liquid biofuels from biomass:The process uses the whole plant to improve the carbon dioxide balance and increase yield. * The Fischer Tropsch process is used to produce synfuels from gasified… …   Wikipedia

• biomass at MSY — the long term average biomass value expected if fishing at FMSY (the fishing mortality rate which, if applied constantly, would result in maximum sustainable yield. Can be estimated from simple biomass aggregated production models or from age… …   Dictionary of ichthyology

• biomass set asides — a portion of a potential harvest set aside for some purpose other than being part of the catch. It is subtracted from the maximum sustainable yield to arrive at an allowable harvest. This reserved portion may be set aside as food for birds and… …   Dictionary of ichthyology

• Maximum sustainable yield — In population ecology and economics, maximum sustainable yield or MSY is, theoretically, the largest yield (or catch) that can be taken from a species stock over an indefinite period. Fundamental to the notion of sustainable harvest, the concept… …   Wikipedia

• Sustainable yield in fisheries — The sustainable yield of natural capital is the ecological yield that can be extracted without reducing the base of capital itself, i.e. the surplus required to maintain ecosystem services at the same or increasing level over time. This yield… …   Wikipedia

• replacement yield — the amount of yield in weight that can be removed from a population of fish without leading to biomass increase or decline. Replacement yield is high when population productivity is high under proper exploitation and it is low when the population …   Dictionary of ichthyology

• optimum yield — the yield from a fishery which provides the greatest overall benefit to the nation with particular reference to food production, recreational opportunities and conservation or, allows rebuilding of overfished stocks. It is based on maximum… …   Dictionary of ichthyology

• equlibrium yield — The yield in weight taken from a fish stock when it is in equilibrium with fishing of a given intensity, and (apart from effects of environmental variation) its biomass is not changing from one year to the next. Also called: sustainable yield,… …   Fisheries — dictionary

• equlibrium yield — The yield in weight taken from a fish stock when it is in equilibrium with fishing of a given intensity, and (apart from effects of environmental variation) its biomass is not changing from one year to the next. Also called: sustainable yield,… …   Fisheries — dictionary

• equilibrium yield — the yield in weight taken from a fish stock when it is in equilibrium with fishing of a given intensity, and (apart from effects of environmental variation) its biomass is not changing from one year to the next. Also called sustainable yield,… …   Dictionary of ichthyology

• maximum sustainable yield — the average or maximum catch that can be removed under existing environmental conditions over an indefinite period without causing the stock to be depleted, assuming that removals and natural mortality are balanced by stable recruitment and… …   Dictionary of ichthyology