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A general equilibrium model for Atlantic herring (Clupea harengus) with ecosystem considerations

机译:考虑生态系统因素的大西洋鲱鱼(Clupea harengus)的一般平衡模型

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摘要

A framework is presented for assessing the economic ramifications of ecosystem-based management decisions, with attention focused on Atlantic herring (Clupea harengus) in New England. The Atlantic herring has often been referred to as the most important fish in the northeastern United States because it is a filter-feeder, is believed to improve water quality, and is very important to the health, growth, and abundance of major gamefish, marine mammals, seabirds, and several species of fish. Although many approaches for examining the potential economic ramifications of ecosystem-based management are possible, attention is focused on one method that can be used given existing data. A static, deterministic input/output (I/O) optimization (IOLP, input/output linear programming) model is developed that breaks out the impact of different decisions on herring allocation on the 2006 New England regional economy of Maine, New Hampshire, Massachusetts, and Rhode Island. The IOLP model is a promising approach for informing policy-makers of the economic implications of various allocation choices. The framework is also flexible enough to allow further dis-aggregation of the small model presented to include additional fishing and non-fishing sectors.
机译:提出了一个评估基于生态系统的管理决策的经济影响的框架,重点是新英格兰的大西洋鲱鱼(Clupea harengus)。大西洋鲱鱼通常被认为是美国东北部最重要的鱼类,因为它是一种滤食性鱼类,被认为可以改善水质,并且对主要game鱼,海洋鱼类的健康,生长和丰富度非常重要哺乳动物,海鸟和几种鱼类。尽管检查基于生态系统的管理的潜在经济后果的许多方法是可行的,但是注意力集中在一种可以在给定现有数据的情况下使用的方法上。建立了静态的确定性输入/输出(I / O)优化(IOLP,输入/输出线性规划)模型,该模型突破了鲱鱼分配的不同决策对马萨诸塞州新罕布什尔州缅因州2006年新英格兰地区经济的影响和罗德岛州。 IOLP模型是一种有前途的方法,可用于告知决策者各种分配选择的经济影响。该框架还足够灵活,可以进一步分解所介绍的小模型,以包括其他捕捞和非捕捞部门。

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