Doctoral Dissertation Research: A network analysis of immigration and its effects on common-pool resource management

本项目调查移民对共用资源(CPR)管理的影响。这项研究将在墨西哥南下加利福尼亚州的农村渔村圣卡洛斯港进行，这是探索社区多样性对渔业管理结果的影响的理想地点，因为对渔业的依赖增加，大量移民到该区域，以及存在不可持续的管理做法。该项目将结合人种学方法、社会网络分析和实验游戏，比较长期居住的渔民和新近到达的渔民的属性、行为和社会融合，以探索移民、社会关系和潜在环境影响之间的关系。这一项目的结果有助于澄清目前社区多样性和合作之间的不一致关系，并质疑移民不可避免地与环境退化有关的普遍看法。科学文献中发现的社区异质性(即多样性)与合作之间的不一致关系源于两个因素：对异质性的模糊定义，以及对异质性影响合作的机制的糟糕说明。为了纠正这种情况，该项目分析了与环境结果相关的特定类型的异质性及其与社会关系的关系。此外，移民的模糊环境后果可能源于这样一个事实，即移民不一定是截然不同和边缘化的局外人。质疑过去关于异质性及其对资源管理的影响的假设，同时质疑关于移民对环境影响的假设。尽管政策和媒体普遍认为移民威胁到自然资源的可持续收获，但移民很少在渔业和沿海管理政策中得到解决。这项研究将直接解决移民和渔业管理的交叉问题，并有助于纠正这一重大的政策疏忽。研究结果将与当地居民和组织分享，以及研究下加利福尼亚州社会生态系统的美国和墨西哥学者日益增长的跨学科网络。为支持当地的研究和教育能力，将与当地组织合作，为当地学生设立研究助理职位。

This project investigates the impact of immigration on common-pool resource (CPR) management. The research will take place in Puerto San Carlos, a rural fishing village in Baja California Sur, Mexico, an ideal location to explore the impacts cof ommunity diversity on fisheries management outcomes because of the increased reliance on fisheries, the substantial migration to the region, and the presence of unsustainable management practices. Using a combination of ethnographic methods, social network analysis and experimental games, this project will compare the attributes, behaviors, and social integration of long-term resident fishers and recently arrived fishers to explore the relationship between immigration, social ties, and potential environmental impact. Results from this project can help clarify the currently inconsistent relationship between community diversity and cooperation, as well as question the widespread perception that immigrants inevitably are linked to environmental degradation.The inconsistent relationship found in the scientific literature between community heterogeneity (i.e., diversity) and cooperation stems from two factors: a vague definition of heterogeneity, and poor specification of the mechanisms whereby heterogeneity affects cooperation. To remedy this situation, this project analyzes specific types of heterogeneity linked to environmental outcomes and their relationship to social ties. Additionally, the ambiguous environmental consequences of immigration may stem from the fact that immigrants are not necessarily dramatically different and marginalized outsiders. Questioning past assumptions about heterogeneity and its effect on resource management simultaneously questions assumptions about the environmental impact of immigrants.Despite the general perception in policy and the media that immigrants threaten the sustainable harvesting of natural resources, immigration is rarely addressed in fisheries and coastal management policy. This study will directly address the intersection of immigration and fisheries management, and contribute to remedying this significant policy oversight. Research findings will be shared with local residents and organizations, as well as the growing interdisciplinary network of U.S. and Mexican scholars investigating social-ecological systems within Baja California. To support local capacity for research and education, research assistant positions for local students will be created in collaboration with local organizations.