关键界面在集约管理景观动态中的新兴作用

IF 10.8 1区 地球科学 Q1 GEOSCIENCES, MULTIDISCIPLINARY
Praveen Kumar , Alison Anders , Erin Bauer , Neal E. Blair , Molly Cain , Ashlee Dere , Jennifer Druhan , Timothy Filley , Christos Giannopoulos , Allison E. Goodwell , David Grimley , Diana Karwan , Laura L. Keefer , Jieun Kim , Luigi Marini , Marian Muste , A.N. Thanos Papanicolaou , Bruce L. Rhoads , Leila Constanza Hernandez Rodriguez , Susana Roque-Malo , Shengnan Zhou
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引用次数: 0

摘要

水、溶解和悬浮物质以及气体之间的复杂相互作用发生在临界区域内。这些相互作用取决于并影响地质和地貌过程、成分的化学成分以及微生物、高等生物和相关生态群落的生物活动。关键区域的所有这些组成部分都通过相互依赖的关系在不同的空间和时间尺度上共同进化。在集约化管理的农业景观中,关键区域的相互作用被广泛破坏,以促进农业生态系统服务。然而,这种破坏并不是均匀分布在整个景观中。我们在集约管理景观关键带天文台进行了八年多的研究,表明集约管理关键带的动态在时间和空间上并不均匀。相反,关键界面,或景观系统不同方面之间的过渡区域,在通过储存、运输和转化机制调节物质通量方面发挥着不成比例的重要作用,通常是通过这些界面的阈值响应和间歇性连接。我们将深入了解在集约化管理的景观中,关键界面如何影响水、能量、碳、养分和沉积物的复杂动态。由于人为活动不断和广泛地改变关键的界面,因此对这些改变的影响的充分理解对于集约化管理也是可持续管理至关重要。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Emergent role of critical interfaces in the dynamics of intensively managed landscapes

Complex interactions among water, dissolved and suspended material, and gases occur within the critical zone. These interactions depend upon and influence geologic and geomorphic processes, the chemical composition of constituents, and biological activities of microbes, higher organisms and associated ecological communities. All these components of the critical zone are co-evolving through inter-dependencies that extend over various space and time scales. In intensively managed agricultural landscapes, critical zone interactions are extensively disrupted to facilitate agro-ecosystem services. However, such disruptions are not evenly distributed across the landscape. Our research, conducted over eight years at the Intensively Managed Landscapes Critical Zone Observatory, demonstrates that the dynamics of intensively managed critical zones do not operate uniformly across time and space. Instead, critical interfaces, or zones of transition between different aspects of the landscape system, play a disproportionately important role in regulating material fluxes through mechanisms of storage, transport, and transformation, often through threshold responses and intermittent connectivity across these interfaces. We provide insight into how critical interfaces affect the intricate dynamics of water, energy, carbon, nutrients, and sediment in intensively managed landscapes. Since anthropogenic activities are continually and extensively modifying critical interfaces, sound understanding of the impact of these modifications is essential for intensive management to also be sustainable management.

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来源期刊
Earth-Science Reviews
Earth-Science Reviews 地学-地球科学综合
CiteScore
21.70
自引率
5.80%
发文量
294
审稿时长
15.1 weeks
期刊介绍: Covering a much wider field than the usual specialist journals, Earth Science Reviews publishes review articles dealing with all aspects of Earth Sciences, and is an important vehicle for allowing readers to see their particular interest related to the Earth Sciences as a whole.
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