关键词：石羊河流域；水问题；水资源综合管理；垂直管理模式 [gap=621] words: Shiyang River Basin; water issue; integrated water resources management; vertical management model
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We set up a model of contract theory to compare the vertical management institution and the jurisdictional management institution.
本文运用契约理论建立理论模型对比研究了垂直管理体制和属地管理体制的优劣。
Using this model to appraise the Hebei province mountainous area walnut vertical quality, it provided the theory basis for Hebei province mountainous area walnut management of cultivation production.
利用这一模型可对河北省山区核桃立地质量进行数量化评价，为河北省山区核桃的栽培生产管理提供了理论依据。
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