Search for the Golden Moon Bear: Science and Adventure in by Sy Montgomery PDF

By Sy Montgomery

Sy Montgomery--acclaimed writer of The Soul of an Octopus and bestselling memoir The stable strong Pig--has shared with readers her impressive encounters with clever octopi, nice apes, man-eating tigers, and purple river dolphins, yet the following her muse is an animal whose identify and visual appeal evoke one other global altogether. Southeast Asia's golden moon undergo, with its luminous coat, lionlike mane, and Mickey Mouse ears, was once unknown to science--until Montgomery and her colleagues bought at the path on the sunrise of the hot millennium.

Search for the Golden Moon Bear recounts Montgomery's quest--fraught with probability and mayhem--to reconstruct an evolutionary list and piece jointly a residing portrait of her littleknown topic. this gorgeous animal isn't just a systematic eureka! it's also a robust image of conservation. Search for the Golden Moon Bear is a box record from the frontiers of technology and the ends of the earth, seamlessly weaving jointly folklore, common background, and modern examine into remarkable travelogue.

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Additional info for Search for the Golden Moon Bear: Science and Adventure in Pursuit of a New Species

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Because fishing reduces the average age and therefore size of individuals as well as the overall abundance of the fished population, it becomes more difficult to obtain fish of high market value (larger sizes usually) as the fishing effort increases. Given that there is a certain rate of production of fish available to be caught, it follows that the value of the catch obtained will increase with effort only to a certain point. Beyond that point, increasing effort will result in a yield of lower value because few fish remain to be caught.

Yield rises steeply at first but falls off at high levels of effort because few fish remain to be caught. The Â�intersection be­ tween the cost and yield curves, Effort a, is a stable equilibrium at which the fishermen make no profit. The maximum sustainable yield (MSY, point b↜), when catch is greatest, and the maximum economic yield (MEY, point câ•›), when profit (dif­ ference between cost and yield) is greatest, are both desirable goals, but neither is a sta­ ble equilibrium point. Economic Yield / Cost ╯ production of new fish when fishing pressure reduces fish density.

The maximum sustainable yield (MSY, point b↜), when catch is greatest, and the maximum economic yield (MEY, point câ•›), when profit (dif­ ference between cost and yield) is greatest, are both desirable goals, but neither is a sta­ ble equilibrium point. Economic Yield / Cost ╯ production of new fish when fishing pressure reduces fish density. And the economic links between the cost of catching fish and the value of the yield at market should mean that fishermen, being rational beings, will never increase effort to levels that would be truly detrimental to the fish population.

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