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Integrating human variables in cross-boundary monitoring of Aberdare preserves in Kenya.

机译:将人为变量纳入肯尼亚Aberdare保护区的跨境监测中。

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摘要

This research critically examines extant data systems and their linkage of scientific research to policy and public education in east African highland forest conservation preserves. The research indicates that the current state of data and monitoring systems in the region imposes substantial limitations on the ability to manage these preserves. Major outcomes of those constraints manifest in unprecedented cross-boundary pressure such as encroachment and conversion of forest to agriculture, increased human-wildlife conflicts, and constrained relations among primary stakeholders. Current monitoring is biodiversity focused within preserves and fails to capture human dimensions in adjoining areas across preserve boundaries. This study proposes that expanding the scientific basis of data systems, monitoring and research to include human variables changes taking place across preserve boundaries allows better understanding, anticipation and response to environmental change.;An integrative conceptual framework and analytic model based on human ecological perspectives is developed. The empirical utility of the model that allows inclusion of human variables in preserve monitoring and policy decision making is demonstrated. Computer based geo-spatial analysis techniques are applied on remote-sensed imagery to quantify and determine patterns of land use/cover change over the three period 1975 to 2000. The mid-western area around Kipipiri and the north-western areas showed most activity during 1970s to 80s. During 1980s to 2000, the south west and north east areas showed most change.;Forest-Agriculture land conversion is modeled using spatial logistic regression techniques on data derived from remote imagery and human population census. Patterns of land conversion similar to those displayed in the land cover change analysis were achieved by applying the predictive model. The model achieves average 69.5% pixels predicted correctly for the three decadal periods, with ROC (Relative Operating Characteristic) of 0.75, 0.68 and 0.69 for 1975--1985, 1985--2000 and 1975 to year 2000 respectively. ROC values above 0.5 are indicative of some association between the predictor and dependent variables.;Linking remotely sensed ecological data, long term records from parks managers and demographic and socio-economic data from areas in and around biodiversity hotspots is not only timely but also offers novel insight and solutions to current management problems. The methodological tools and techniques are broadly applicable to other areas of conservation concern, and essential for addressing conservation objectives in the face of human development activities. They provide important insight for land use planning and development agendas, and enhance opportunities for interdisciplinary integration and institutional collaboration.
机译:这项研究批判性地研究了东非高原森林保护区现有的数据系统及其科学研究与政策和公共教育之间的联系。研究表明,该地区数据和监视系统的当前状态对管理这些保护区的能力施加了实质性限制。这些制约因素的主要结果体现在前所未有的跨境压力中,例如森林被侵占和向农业的转化,人类与野生动物之间冲突的加剧以及主要利益相关者之间的关系受到限制。当前的监测重点是保护区内的生物多样性,但未能捕捉到跨越保护区边界的毗邻地区的人类规模。这项研究提出,扩大数据系统,监测和研究的科学基础以涵盖跨越保护区边界发生的人类变量变化可以更好地理解,预测和应对环境变化。;基于人类生态学观点的综合概念框架和分析模型是发达。该模型的经验效用可以将人为变量包括在保护区监控和政策决策中。基于计算机的地理空间分析技术被应用到遥感影像上,以量化和确定1975年至2000年这三个时期的土地利用/覆盖变化模式。基皮皮里(Kipipiri)周围的中西部地区和西北地区在2006年期间活动最多。 1970年代至80年代。在1980年代至2000年期间,西南和东北地区发生了最大的变化。森林-农业土地转化是使用空间逻辑回归技术对来自远程图像和人口普查的数据建模的。通过应用预测模型,可以实现类似于土地覆盖变化分析中显示的土地转化方式。该模型在三个十年期间均获得了正确预测的平均69.5%像素,1975--1985年,1985--2000年和1975--2000年的ROC(相对工作特性)分别为0.75、0.68和0.69。 ROC值大于0.5表示预测变量与因变量之间存在一定的关联性。将遥感生态数据,公园管理者的长期记录以及生物多样性热点地区及其周围地区的人口和社会经济数据联系起来不仅及时,而且还提供了针对当前管理问题的新颖见解和解决方案。这些方法学工具和技术广泛适用于其他自然保护领域,对于面对人类发展活动实现自然保护目标至关重要。它们为土地使用规划和发展议程提供了重要的见识,并为跨学科整合和机构合作提供了更多机会。

著录项

  • 作者

    Njuguna, Peter K.;

  • 作者单位

    University of Arkansas.;

  • 授予单位 University of Arkansas.;
  • 学科 Biology Ecology.;Geodesy.;Natural Resource Management.;Environmental Sciences.
  • 学位 Ph.D.
  • 年度 2012
  • 页码 201 p.
  • 总页数 201
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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