Pine invasion impacts on plant diversity in Patagonia: invader size and invaded habitat matter

Franzese, Jorgelina; Urrutia, Jonathan; Garcı́a, R.; Taylor, Kimberley; Pauchard, Aníbal

doi:10.1007/s10530-016-1344-6

Cited by 55 publications

(50 citation statements)

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“…Additionally, species composition differed most between P. contorta and adjacent vegetation in the Southern Hemisphere, where many of the sites were dominated by open habitat. These results suggest that the potential impacts of an invader are highest where that invader introduces a new life form, consistent with other studies (Franzese et al 2017). Although some P. contorta stands in Europe had much higher basal area than the native stands, the effect on species richness was similar to when there was no difference in basal area (Fig.…”

Section: Discussionsupporting

confidence: 91%

“…For example, previous studies in Patagonia found that exotic conifer plantations were associated with lower native biodiversity than native forests (Paritsis andAizen 2008, Fajardo andGundale 2018). Naturalized stands were also found to have negative impacts on plant diversity at sites in New Zealand, Chile and Argentina (Ledgard and Paul 2008, Dickie et al 2011, Taylor et al 2016b, Franzese et al 2017. In contrast, a study in Sweden showed that plant diversity in P. contorta plantations was similar to native P. sylvestris stands (Nilsson et al 2008).…”

Section: Discussionmentioning

confidence: 96%

“…Pinus contorta is one of the most invasive species of Pinus in the Southern Hemisphere and has been classified as naturalized or invasive in several European countries (Langdon et al 2010, Simberloff et al 2010, Rejmánek and Richardson 2013. Pinus contorta can have significant impacts on the ecosystems where it invades, reducing local plant diversity, changing soil biotic communities, and altering fire regimes , Gundale et al 2016, Taylor et al 2016b, Franzese et al 2017, Taylor et al 2017.…”

Section: Introductionmentioning

confidence: 99%

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Severity of impacts of an introduced species corresponds with regional eco‐evolutionary experience

et al. 2018

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Invasive plant impacts vary widely across introduced ranges. We tested the hypothesis that differences in the eco‐evolutionary experience of native communities with the invader correspond with the impacts of invasive species on native vegetation, with impacts increasing with ecological novelty. We compared plant species richness and composition beneath Pinus contorta to that in adjacent vegetation and other P. contorta stands across a network of sites in its native (Canada and USA) and non‐native (Argentina, Chile, Finland, New Zealand, Scotland, Sweden) ranges. At sites in North America and Europe, within the natural distribution of the genus Pinus, P. contorta was not associated with decreases in diversity. In the Southern Hemisphere, where there are no native Pinaceae, plant communities beneath P. contorta were less diverse than in other regions and compared to uninvaded native vegetation. Effects on native vegetation were particularly pronounced where P. contorta was a more novel life form and exhibited higher growth rates. Our results support the hypothesis that the eco‐evolutionary experience of the native vegetation, and thus the novelty of the invader, determines the magnitude of invader impacts on native communities. Understanding the eco‐evolutionary context of invasions will help to better understand and predict where invasion impacts will be greatest and to prioritize invasive species management.

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Section: Discussionsupporting

confidence: 91%

Section: Discussionmentioning

confidence: 96%

Section: Introductionmentioning

confidence: 99%

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Severity of impacts of an introduced species corresponds with regional eco‐evolutionary experience

et al. 2018

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“…Litter and canopies of P. ponderosa have a negative impact on the growth and establishment of the invasive shrub species Centaurea stoebe by modifying soil and nutrient availability and its allelopathic effects (Metlen & Callaway, ). Negative impacts of P. contorta on native Chilean Patagonia vegetation are determined by its height and canopy size (Franzese, Urrutia, García, Taylor, & Pauchard, ).…”

Section: Why Have Pines Become the Dominant Conifer Taxon In Many Envmentioning

confidence: 99%

“…Negative impacts of P. contorta on native Chilean Patagonia vegetation are determined by its height and canopy size (Franzese, Urrutia, García, Taylor, & Pauchard, 2017).…”

Section: Ecosystem Processesmentioning

confidence: 99%

Insights on the persistence of pines (Pinus species) in the Late Cretaceous and their increasing dominance in the Anthropocene

Singh¹,

Inderjit

Singh

et al. 2018

Ecology and Evolution

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Although gymnosperms were nearly swept away by the rise of the angiosperms in the Late Cretaceous, conifers, and pines (Pinus species) in particular, survived and regained their dominance in some habitats. Diversification of pines into fire‐avoiding (subgenus Haploxylon) and fire‐adapted (subgenus Diploxylon) species occurred in response to abiotic and biotic factors in the Late Cretaceous such as competition with emerging angiosperms and changing fire regimes. Adaptations/traits that evolved in response to angiosperm‐fuelled fire regimes and stressful environments in the Late Cretaceous were key to pine success and are also contributing to a new “pine rise” in some areas in the Anthropocene. Human‐mediated activities exert both positive and negative impacts of range size and expansion and invasions of pines. Large‐scale afforestation with pines, human‐mediated changes to fire regimes, and other ecosystem processes are other contributing factors. We discuss traits that evolved in response to angiosperm‐mediated fires and stressful environments in the Cretaceous and that continue to contribute to pine persistence and dominance and the numerous ways in which human activities favor pines.

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Advancing Toward a General Theory of Invasive Species Impacts: How Do Ecological Effects Vary Across Time and Space?

Flory

Lockwood

2020

Bulletin Ecologic Soc America

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Symposium objectivesThe global movement of species by humans to non-native ranges has provided important resources for food, fiber, and fuel but has, at times, resulted in widespread invasions that cause significant ecological and economic impacts (Pyšek et al. 2012). Given ongoing increases in global travel and trade, the introduction of species to new areas is expected to continue with consequences for biodiversity and ecosystem functions. The effects of biological invasions have been well quantified over the last few decades but studies have been limited in duration and spatial extent (Stricker et al. 2015), restraining our understanding of where and how long invasion impacts might occur and hampering predictive models of species likely to be invasive and habitats and ecosystems susceptible to invasion (Hulme et al. 2013).

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Pine invasion impacts on plant diversity in Patagonia: invader size and invaded habitat matter

Cited by 55 publications

References 54 publications

Severity of impacts of an introduced species corresponds with regional eco‐evolutionary experience

Severity of impacts of an introduced species corresponds with regional eco‐evolutionary experience

Insights on the persistence of pines (Pinus species) in the Late Cretaceous and their increasing dominance in the Anthropocene

Advancing Toward a General Theory of Invasive Species Impacts: How Do Ecological Effects Vary Across Time and Space?

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