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Evaluating private land conservation in the cape lowlands, South Africa

机译：评估南非开普低地的私人土地保护

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Evaluation is important for judiciously allocating limited conservation resources and for improving conservation success through learning and strategy adjustment. We evaluated the application of systematic conservation planning goals and conservation gains from incentive-based stewardship interventions on private land in the Cape Lowlands and Cape Floristic Region, South Africa. We collected spatial and nonspatial data (2003-2007) to determine the number of hectares of vegetation protected through voluntary contractual and legally nonbinding (informal) agreements with landowners; resources spent on these interventions; contribution of the agreements to 5- and 20-year conservation goals for representation and persistence in the Cape Lowlands of species and ecosystems; and time and staff required to meet these goals. Conservation gains on private lands across the Cape Floristic Region were relatively high. In 5 years, 22,078 ha (27,800 ha of land) and 46,526 ha (90,000 ha of land) of native vegetation were protected through contracts and informal agreements, respectively. Informal agreements often were opportunity driven and cheaper and faster to execute than contracts. All contractual agreements in the Cape Lowlands were within areas of high conservation priority (identified through systematic conservation planning), which demonstrated the conservation plan's practical application and a high level of overlap between resource investment (approximately R1.14 million/year in the lowlands) and priority conservation areas. Nevertheless, conservation agreements met only 11% of 5-year and 9% of 20-year conservation goals for Cape Lowlands and have made only a moderate contribution to regional persistence of flora to date. Meeting the plan's conservation goals will take three to five times longer and many more staff members to maintain agreements than initially envisaged.
机译：评价对于明智地分配有限的保护资源以及通过学习和策略调整来提高保护成功率非常重要。我们评估了系统性保护规划目标的应用以及在南非开普兰低地和开普植物区的私有土地上基于激励的管理干预措施的保护收益。我们收集了空间和非空间数据（2003-2007年），以确定通过与土地所有者自愿签订的合同和法律上不具有约束力的（非正式）协议来保护的植被面积;用于这些干预措施的资源;协议对5年和20年保护目标的贡献，以实现低地角物种和生态系统的代表性和持久性;以及实现这些目标所需的时间和人员。 Cape Cape Floristic Region私有土地的保护收益相对较高。在5年中，分别通过合同和非正式协议保护了22078公顷（27800公顷土地）和46526公顷（90000公顷土地）的原生植被。非正式协议通常是由机会驱动的，比合同便宜且执行速度更快。开普低地的所有合同协议均处于优先保护的领域（通过系统的保护计划确定），这表明了保护计划的实际应用以及资源投资之间的高度重叠（低地每年约114万兰特）和优先保护区。但是，保护协议仅满足了低地岬角5年保护目标的11％和20年保护目标的9％，并且迄今为止对区域植物区系的持久性仅起到了中等作用。达到计划的保护目标将需要三到五倍的时间，并且要维持协议的工作人员将比最初设想的多得多。

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