Intergenerational livelihood dependence on ecosystem services: A descriptive analysis of the ivory palm in coastal Ecuador

IF 1.3 Q3 AGRICULTURAL ECONOMICS & POLICY
J. Salgado, R. Montúfar, Jacob Gehrung, S. Atallah
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引用次数: 1

Abstract

Abstract Research on ecosystem services (ES) is heavily concentrated on ecological and economic indicators and values, with a much more limited understanding of communities’ dependence on cultural ES. That body of research is also typically focused on current generations and generates limited insights into the intergenerational dynamics of ES dependence. We use a survey of six palm harvesting communities in coastal western Ecuador to assess the livelihood dependence of four generations on 17 ES provided by the ivory palm, a near-threatened keystone species in Ecuador, Colombia, and Panama. Despite the historical prominence of the use of the ivory palm’s nut, we find that dependence is highest for regulating, supporting, and cultural ES, a result that holds across generations. We find a negative association between the current generation’s dependence on the ivory palm’s provisioning ES and that of their grandparents, who experienced the historical boom of the ivory palm’s nut exports. In contrast, respondents expect the future generation’s dependence to be positively associated with that of the grandparents’ generation. We find that provisioning ES have a complementary relationship with cultural ES and a substitutive relationship with supporting ES. Relationships across ES categories can be reversed from one generation to the next.
对生态系统服务的代际生计依赖:厄瓜多尔沿海象牙棕榈的描述性分析
生态系统服务(ES)的研究主要集中在生态和经济指标和价值上,而对群落对文化ES的依赖的理解则非常有限。该研究也通常集中在当代人身上,对ES依赖的代际动态的见解有限。我们对厄瓜多尔西部沿海的六个棕榈采收社区进行了调查,以评估四代人对象牙棕榈提供的17种ES的生计依赖。象牙棕榈是厄瓜多尔、哥伦比亚和巴拿马的一种濒临灭绝的关键物种。尽管象牙棕榈坚果的使用在历史上占有突出地位,但我们发现,对调节、支持和文化ES的依赖程度最高,这一结果跨越了几代人。我们发现当代人对象牙棕榈供应ES的依赖与他们的祖父母之间存在负相关关系,他们的祖父母经历了象牙棕榈坚果出口的历史繁荣。相比之下,受访者认为下一代的依赖程度与祖父母一代呈正相关。研究发现,供给型社会服务与文化型社会服务存在互补关系,与支持性社会服务存在替代关系。跨ES类别的关系可以从一代到下一代颠倒过来。
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来源期刊
Agricultural and Resource Economics Review
Agricultural and Resource Economics Review AGRICULTURAL ECONOMICS & POLICY-
CiteScore
2.20
自引率
0.00%
发文量
23
审稿时长
19 weeks
期刊介绍: The purpose of the Review is to foster and disseminate professional thought and literature relating to the economics of agriculture, natural resources, and community development. It is published twice a year in April and October. In addition to normal refereed articles, it also publishes invited papers presented at the annual meetings of the NAREA as well as abstracts of selected papers presented at those meetings. The Review was formerly known as the Northeastern Journal of Agricultural and Resource Economics
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