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Sustainable yield is the amount of a resource that humans can harvest without over-harvesting or damaging a potentially renewable resource. [1]In more formal terms, 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. [2]
Sustainability Index = Emergy Yield Ratio / Environmental Loading Ratio = EYR / ELR NOTE: The numerator is called "emergy" and is spelled with an "m". It is an abbreviation of the term, "embodied energy". The numerator is NOT "energy yield ratio", which is a different concept. [15]
The concept of maximum sustainable yield (MSY) has been used in fisheries science and fisheries management for more than a century. Originally developed and popularized by Fedor Baranov early in the 1900s as the "theory of fishing," it is often credited with laying the foundation for the modern understanding of the population dynamics of fisheries. [1]
In environmental science, optimum sustainable yield is the largest economical yield of a renewable resource achievable over a long time period without decreasing the ability of the population or its environment to support the continuation of this level of yield, and enables an ecosystem to have a high aesthetic value.
The yield ended Tuesday at 4.691%, up seven basis points. Here's where US indexes stood at the 4:00 p.m. closing bell on Tuesday: S&P 500 : 5,909.03, down 1.11%
Stocks have largely been held back by rising bond yields. But one strategist sees a key potential turning point around 5.25% on the 10-year Treasury yield.
Hoda Kotb shocked fans when she revealed in September that she would be leaving the Today show. At the time, the 60-year-old explained her decision in a letter. "As I write this, my heart is all ...
Ecological yield is the harvestable population growth of an ecosystem. It is most commonly measured in forestry : sustainable forestry is defined as that which does not harvest more wood in a year than has grown in that year, within a given patch of forest .