Woody Plant–Soil Relationships in Interstitial Spaces Have Implications for Future Forests Within and Beyond Urban Areas
Woody Plant–Soil Relationships in Interstitial Spaces Have Implications for Future Forests Within and Beyond Urban Areas
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木本植物与间隙空间中的土壤关系对城市地区内外的未来森林具有影响
DOI：
10.1007/s10021-023-00881-x
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发表时间：
2023
期刊：
影响因子：
3.7
通讯作者：
Lerman, Susannah B.
中科院分区：
文献类型：
--
作者：
Mejía, Gisselle A.;Groffman, Peter M.;Avolio, Meghan L.;Bratt, Anika R.;Cavender-Bares, Jeannine;Grijseels, Noortje H.;Hall, Sharon J.;Heffernan, James;Hobbie, Sarah E.;Lerman, Susannah B.
住宅区与荒地交界处相对不受管理的间隙区域可以支持新型木本植物群落的发展。城市地区的群落聚集过程涉及自发物种库和栽培物种库之间的相互作用，其中包括本地物种、引进物种（外来/非本地）和入侵物种。这些群落在不断变化的气候条件下蔓延的潜力对城市地区内外森林的未来发展轨迹产生影响。我们对美国大陆六个大都市区住宅区与荒地交界处相对不受管理的“间隙”区域以及远郊参考自然区域的木本植被（包括乔木和灌木）进行了量化。此外，我们分析了土壤氮和碳循环过程，以确保参考点和间隙点之间不存在重大的人为差异，例如压实、剖面扰动或施肥，并探索新型植物群落对土壤过程的影响。我们观察到大多数大都市地区间质点和参考点之间的木本植物群落组成存在显着差异。这些差异似乎是由城市地区物种库扩大造成的。对土壤没有明显的人为影响，使我们能够确定间隙区域和参考区域之间的成分差异与土壤氮有效性的变化有关。我们对六个城市在各种气候条件下的间隙空间中新型群落形成的观察表明，我们的结果与如何评估和管理城市地区内外的森林以提供依赖于本地生物多样性的生态系统服务和恢复力有关。
Relatively unmanaged interstitial areas at the residential–wildland interface can support the development of novel woody plant communities. Community assembly processes in urban areas involve interactions between spontaneous and cultivated species pools that include native, introduced (exotic/non-native) and invasive species. The potential of these communities to spread under changing climate conditions has implications for the future trajectories of forests within and beyond urban areas. We quantified woody vegetation (including trees and shrubs) in relatively unmanaged “interstitial” areas at the residential–wildland interface and in exurban reference natural areas in six metropolitan regions across the continental USA. In addition, we analyzed soil N and C cycling processes to ensure that there were no major anthropogenic differences between reference and interstitial sites such as compaction, profile disturbance or fertilization, and to explore effects of novel plant communities on soil processes. We observed marked differences in woody plant community composition between interstitial and reference sites in most metropolitan regions. These differences appeared to be driven by the expanded species pool in urban areas. There were no obvious anthropogenic effects on soils, enabling us to determine that compositional differences between interstitial and reference areas were associated with variation in soil N availability. Our observations of the formation of novel communities in interstitial spaces in six cities across a very broad range of climates, suggest that our results have relevance for how forests within and beyond urban areas are assessed and managed to provide ecosystem services and resilience that rely on native biodiversity.
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影响因子：
11.6
作者：
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影响因子：
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影响因子：
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作者：
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影响因子：
2.9
作者：
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