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生计资本与放牧区恢复的机会成本:厄瓜多尔亚马逊地区的可持续集约化战略

Livelihood Capitals and Opportunity Cost for Grazing Areas' Restoration: A Sustainable Intensification Strategy in the Ecuadorian Amazon.

作者信息

Torres Bolier, Espinoza Ítalo, Torres Alexandra, Herrera-Feijoo Robinson, Luna Marcelo, García Antón

机构信息

Faculty of Life Sciences, Amazon State University (UEA), Pastaza 160101, Ecuador.

Department of Animal Production, Faculty of Veterinary Sciences, University of Cordoba, 14071 Cordoba, Spain.

出版信息

Animals (Basel). 2023 Feb 17;13(4):714. doi: 10.3390/ani13040714.

Abstract

Land use change in pastures is considered one of the leading drivers of tropical deforestation in the Ecuadorian Amazon Region (EAR). To halt and reverse this process, it is necessary to understand, among other factors, the local livelihoods, income from grazing area and the appropriate options to foster sustainable production, incorporating the land-sparing and land-sharing approach. This work was conducted using 167 household surveys along an altitudinal gradient within the buffer and transition zone of the Sumaco Biosphere Reserve (SBR) in the EAR. The results of a comparative analysis of the main capital variables (human, social, natural, financial, and physical), and the opportunity cost of grazing area assessment provides the following key findings: (a) the concepts of land sparing and land sharing should be considered as complementary local strategies, including household livelihoods and the opportunity cost of the grazing area; (b) we should encourage markets with differentiated restoration rights, based on households engaged in low grazing areas' opportunity costs, and making less impact on capitals' livelihood a key element of economic and conservation initiatives; and (c) sectoral policy implications, including moderate intensification and technological improvements to strengthen the pastureland-sparing and -sharing approach, are discussed.

摘要

牧场的土地利用变化被认为是厄瓜多尔亚马逊地区(EAR)热带森林砍伐的主要驱动因素之一。为了阻止并扭转这一进程,除其他因素外,有必要了解当地生计、放牧区收入以及促进可持续生产的适当选项,同时纳入土地节约和土地共享方法。这项工作是通过对EAR中苏马科生物圈保护区(SBR)缓冲区和过渡区内沿海拔梯度的167户家庭进行调查来开展的。对主要资本变量(人力、社会、自然、金融和物质资本)的比较分析结果以及放牧区评估的机会成本得出了以下主要结论:(a)应将土地节约和土地共享概念视为相辅相成的地方战略,包括家庭生计和放牧区的机会成本;(b)我们应鼓励建立具有差异化恢复权的市场,其基础是从事低放牧区机会成本活动的家庭,并将对资本生计影响较小作为经济和保护举措的关键要素;(c)讨论了部门政策影响,包括适度集约化和技术改进,以加强牧场土地节约和共享方法。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e160/9952715/d5c1e5bb483e/animals-13-00714-g001.jpg

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