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Economic impacts of climate change on California agriculture

机译:气候变化对加利福尼亚农业的经济影响

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Using county-level data from the United States Department of Agriculture’s Census of Agriculture, this study evaluates the effect of weather and climate on agricultural profits in the State of California. The approach is to estimate revenue less variable production cost per acre as a function of land characteristics, weather realizations, and climate. This model is then used to evaluate the effect of two scenarios of climate change for the state of California over the coming century. The preferred estimates indicate that climate change is associated with a negative effect on aggregate agricultural profits by the end of the century. There are significant caveats to this result, including the lack of statistical precision, and keeping water supply and farm prices constant.
机译:这项研究使用了美国农业部农业普查的县级数据,评估了天气和气候对加利福尼亚州农业利润的影响。该方法是根据土地特征,天气实现和气候来估算收入减去每英亩的可变生产成本。然后,使用该模型来评估两种气候变化情景对下个世纪加利福尼亚州的影响。较好的估计表明,到本世纪末,气候变化与农业总利润的负面影响有关。此结果有很多警告,包括缺乏统计精度,以及保持供水和农场价格稳定。

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