Tree dieback, woody plant diversity, and ecosystem driven by topography in semi-arid mountain forests: Implication for ecosystem management

Heydari, Mehdi; Cheraghi, Javad; Omidipour, Reza; Rostaminia, M.; Kooch, Yahya; Valkó, Orsolya; Carcaillet, Christopher

doi:10.1016/j.jenvman.2023.117892

Cited by 7 publications

(1 citation statement)

References 83 publications

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“…The SGH proposed that the frequency of plantplant interactions should switch from dominantly negative to dominantly positive as stress increases. Therefore, many examples of facilitation by nurse trees or shrubs are found in Mediterranean systems with important summer aridity (Gómez-Aparicio et al 2005, Rodríguez-García et al 2011, Heydari et al 2023 or continental climates (Michalet et al 2003, Saccone et al 2009. Nowadays, the ongoing climate change has several consequences regarding facilitative effects in forest contexts.…”

Section: The Buffering Capacity and Facilitation Effect Of Canopies O...mentioning

confidence: 99%

Assisted migration in a warmer and drier climate: less climate buffering capacity, less facilitation and more fires at temperate latitudes?

Michalet,

Carcaillet,

Delerue

et al. 2023

Oikos

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Assisted tree migration has been proposed as a conceptual solution to mitigate lags in biotic responses to anthropogenic climate change. The rationale behind this concept is that tree species currently growing under warmer and drier climates will be more resistant and resilient to the new climatic conditions than tree species naturally growing in currently wetter and colder climates. However, we hypothesize that, by being more stress‐tolerant to warmer and drier conditions, translocated species should exhibit different functional attributes, which could induce important ecological and societal costs and overcome the desired benefits of maintaining wood production and other ecosystem services. We used principal component analysis (PCA) to analyze variation in seven traits of 106 tree and tall shrub species from contrasting latitudinal distributions in western North America and Europe to predict the potential functional changes of forest ecosystems due to the translocation of tree species from low to high latitudes. We show that species from both continents differed primarily by their position on the leaf economy spectrum (LES) and their size traits. Even though, in Europe, differences in LES were significantly correlated to species southern latitudinal positions, in both continents differences in size traits were significantly correlated to latitude. These results suggest that assisted migration by translocating more conservative species of shorter stature in currently cooler climates should decrease the buffering capacity of forest canopies, decrease facilitation for understory species, and increase wildfire risks, whose effects have the potential to accelerate climate warming through negative atmospheric feedback processes. As an alternative solution to assisted migration that may accelerate rather than mitigate climate change, we recommend that foresters gradually diversify the vertical structure and layering of the existing forest canopy to maintain a sustainable water cycle and energy balance between the soil, the tree and the atmosphere without increasing the wildfire risk.

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Section: The Buffering Capacity and Facilitation Effect Of Canopies O...mentioning

confidence: 99%

Assisted migration in a warmer and drier climate: less climate buffering capacity, less facilitation and more fires at temperate latitudes?

Michalet,

Carcaillet,

Delerue

et al. 2023

Oikos

Self Cite

View full text Add to dashboard Cite

show abstract

Machine learning prediction of tree species diversity using forest structure and environmental factors: a case study from the Hyrcanian forest, Iran

Valizadeh,

Asadi,

Jaafari

et al. 2023

Environ Monit Assess

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More lianas on larger host trees on steep slopes in a secondary temperate forest, Japan

Nakada,

Uehara,

Mori

2024

Plant Ecol

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Tree dieback, woody plant diversity, and ecosystem driven by topography in semi-arid mountain forests: Implication for ecosystem management

Cited by 7 publications

References 83 publications

Assisted migration in a warmer and drier climate: less climate buffering capacity, less facilitation and more fires at temperate latitudes?

Assisted migration in a warmer and drier climate: less climate buffering capacity, less facilitation and more fires at temperate latitudes?

Machine learning prediction of tree species diversity using forest structure and environmental factors: a case study from the Hyrcanian forest, Iran

More lianas on larger host trees on steep slopes in a secondary temperate forest, Japan

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