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首页> 外文期刊>International Journal of Biodiversity Science, Ecosystem Services & Management >Land-use intensity mediates ecosystem service tradeoffs across regional social-ecological systems
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Land-use intensity mediates ecosystem service tradeoffs across regional social-ecological systems

机译：土地利用强度在区域社会生态系统中介导生态系统服务权衡

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A key sustainability challenge in human-dominated landscapes is how to reconcile competing demands such as food production, water quality, climate regulation, and ecological amenities. Prior research has documented how efforts to prioritize desirable ecosystem services such as food and fiber have often led to tradeoffs with other services. However, the growing literature has revealed different and sometimes contradictory patterns in ecosystem service relationships. It thus remains unclear whether there are generalizable patterns across social-ecological systems, and if not, what factors explain the variations. In this study, we synthesize datasets of five ecosystem services from four social-ecological systems. We ask: (1) Are ecosystem service relationships consistent across distinct regional social-ecological systems? (2) How do ecosystem service relationships vary with land-use intensity at the landscape scale? (3) In case of ecosystem service tradeoffs, how does land-use intensity affect intersection points of tradeoffs along the landscape composition gradient? Our results reveal that land-use intensity increases magnitude of ecosystem service tradeoffs (e.g. food production vs. climate regulation and water quality) across landscapes. Land-use intensity also alters where provisioning and regulating services intersect: in high-intensity systems, food production and regulating services can be both sustained only at smaller proportions of agricultural lands, whereas in low-intensity systems, these services could be both supplied with greater proportions of agricultural lands. Our research demonstrates importance of considering multiple aspects of land uses (landscape composition and land-use intensity), and provides a more nuanced understanding and framework to enhance our ability to predict how land use alters ecosystem service relationships.
机译：人为主的景观中的一个关键可持续性挑战是如何调和粮食生产，水质，气候调节和生态设施等竞争需求。现有研究记录了如何优先考虑食品和纤维等所需生态系统服务的优先考虑与其他服务的权衡导致权衡。然而，生态系统服务关系中，日益增长的文献揭示了不同的矛盾模式。因此，仍然不清楚社会生态系统是否存在易达的模式，如果不是，那么因素解释了变化。在这项研究中，我们从四个社会生态系统综合了五个生态系统服务的数据集。我们问：（1）生态系统服务关系是否符合不同的区域社会生态系统？ （2）生态系统服务关系如何随着景观量表的土地利用强度而变化？ （3）如果是生态系统服务权衡，土地利用强度如何影响沿景观构图梯度的权衡交叉点？我们的结果表明，土地利用强度在景观中增加了生态系统服务权衡（例如食品生产与气候规则和水质）的程度。土地利用强度也改变了供应和调节服务相交：在高强度系统中，食品生产和调节服务只能以较小的农业土地维持，而在低强度系统中，这些服务都可以提供更大的农业土地比例。我们的研究表明了考虑土地使用的多个方面的重要性（景观成分和土地利用强度），并提供更细致的理解和框架，以提高我们预测土地利用的能力改变了生态系统服务关系。

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