利益相关者对埃塞俄比亚西北部提瓦流域土壤保持实践多种生态系统服务的看法

Ermias Debie
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引用次数: 1

摘要

了解利益相关者对不同土壤保持实践(scp)的看法和偏好对于解决特定领域的短期生态系统服务(ES)价值至关重要。对多个ESs的scp的需求得到了有限的关注。本研究旨在调查埃塞俄比亚西北高地提瓦流域的利益相关者对多个生态系统的看法。多指标分析结果表明,在豆豆-谷物轮作(LCCR)制度下,植被稳定梯田、堆肥和作物残茬组合是提高临时、调节和社会ESs的最佳保护方式。以田菁灌木稳定的土壤带提供更多的ESs,是第二首选。随后,在LCCR系统下,将作物残渣放入土壤中,然后使用堆肥,被认为可以调节土壤肥力,提高作物产量,并在短期内降低化肥成本。因此,建议在LCCR系统下,用田籽草稳定的梯田与堆肥相结合,可能是埃塞俄比亚高地多种ESs的最佳替代方法。
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Stakeholder Perceptions on Multiple Ecosystem Services of Soil Conservation Practices in Tiwa Watershed, Northwest Ethiopia
Understanding stakeholders’ perceptions and preferences regarding different soil conservation practices (SCPs) are essential for addressing short-term ecosystem service (ES) values from a particular field. Demand for multiple ESs of SCPs has received limited attention. This study aimed to examine stakeholders’ perceptions on multiple ESs of SCPs in Tiwa watershed, Northwest highlands of Ethiopia. Results of the multi-criteria analysis method indicated that the combination of vegetation stabilised terracing, compost and crop residue under the legume-cereal crop rotation (LCCR) system was the most preferred conservation method for enhanced provisional, regulating and social ESs. Soil bunds stabilised with Sesbania sesban shrubs were the second preferred by providing more ESs. Subsequently, the inclusion of crop residue into the soil under the LCCR system, followed by compost use was perceived to regulate soil fertility and increase crop yields, and reduce the cost of chemical fertiliser in the short term. Hence, it is recommended that a combination of terraces stabilised with Sesbania sesban, and compost under the LCCR system can be the best alternative approach for multiple ESs in the highland of Ethiopia.
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来源期刊
Journal of Environmental Assessment Policy and Management
Journal of Environmental Assessment Policy and Management Social Sciences-Geography, Planning and Development
CiteScore
7.00
自引率
0.00%
发文量
18
期刊介绍: The Journal of Environmental Assessment Policy and Management is an interdisciplinary, peer reviewed, international journal covering policy and decision-making relating to environmental assessment (EA) in the broadest sense. Uniquely, its specific aim is to explore the horizontal interactions between assessment and aspects of environmental management (not just the vertical interactions within the broad field of impact assessment) and thereby to identify comprehensive approaches to environmental improvement involving both qualitative and quantitative information. As the concepts associated with sustainable development mature, links between environmental assessment and management systems become all the more essential.
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