The Future of Forest Pathology in North America

Hadziabdic, Denita; Bonello, Pierluigi; Hamelin, Richard; Juzwik, Jennifer; Moltzan, Bruce; Rizzo, David M.; Stewart, Jane E.; Villari, Caterina

doi:10.3389/ffgc.2021.737445

Cited by 6 publications

(5 citation statements)

References 56 publications

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“…Forests provide numerous ecosystem services (ecological, environmental, social, and economic) (Hadziabdic et al., 2021), harbor a substantial portion of terrestrial biodiversity, are at the root of terrestrial geochemical processes (Brockerhoff et al., 2017), and play a significant role in climate change mitigation through carbon sequestration (Di Sacco et al., 2021; Palmer, 2021). Still, forests are threatened by many natural stressors exacerbated by climate change (higher temperatures and lower water availability) and anthropogenic activities (land use and trades) (Pautasso et al., 2015; Sturrock et al., 2011), which tend to increase their susceptibility to pests and pathogens (Dale et al., 2022; Hadziabdic et al., 2021). In addition, the conversion of forests into large‐scale plantations, often in the vicinity of natural ecosystems, can become a reservoir of pathogenic organisms and exacerbate the risk of disease outbreaks in natural forests and plantations (Dale et al., 2022).…”

Section: Discussionmentioning

confidence: 99%

“…The PCoA did not show any distinct clustering in relation to the three regions covered by the study (Figure S4). Forests provide numerous ecosystem services (ecological, environmental, social, and economic) (Hadziabdic et al, 2021), harbor a substantial portion of terrestrial biodiversity, are at the root of terrestrial geochemical processes (Brockerhoff et al, 2017), and play a significant role in climate change mitigation through carbon sequestration (Di Sacco et al, 2021;Palmer, 2021). Still, forests are threatened by many natural stressors exacerbated by climate change (higher temperatures and lower water availability) and anthropogenic activities (land use and trades) (Pautasso et al, 2015;Sturrock et al, 2011), which tend to increase their susceptibility to pests and pathogens (Dale et al, 2022;Hadziabdic et al, 2021).…”

Section: F I G U R Ementioning

confidence: 99%

“…It is estimated that more than 40% of the forest area has been lost during the industrial era and continues to decline, while at least 25 countries have completely lost their forest cover (Estoque et al., 2022). These losses in tree biodiversity are caused by several anthropogenic factors, including deforestation, climate change, agricultural intensification, and invasive alien species (Hadziabdic et al., 2021; Rivers et al., 2023). In the temperate zones of Europe and North America, the main threat to plant diversity comes from invasive pests and diseases.…”

Section: Introductionmentioning

confidence: 99%

“…These losses in tree biodiversity are caused by several anthropogenic factors, including deforestation, climate change, agricultural intensification, and invasive alien species (Hadziabdic et al, 2021;Rivers et al, 2023). In the temperate zones of Europe and North America, the main threat to plant diversity comes from invasive pests and diseases.…”

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confidence: 99%

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Oomycete communities are influenced by land use and disease status in Christmas tree production in Southern Québec, Canada

Van der Heyden,

Duceppe,

Charron

et al. 2024

Environmental DNA

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Forests are threatened by many natural stressors intensified by climate change and anthropogenic activities, which tend to increase their susceptibility to pests and pathogens. Consequently, oomycete‐related forest decline or dieback cases are increasing in natural, urban, and agricultural landscapes. It is in this context that Christmas tree growers from Southern Québec, Canada, are experiencing root rot problems, with reported incidences up to 25%. In a previous study, seven Phytophthora spp. were associated with this root rot problem, but the overall diversity of oomycetes has not yet been investigated. Hence, in this study, we use a metabarcoding approach to provide an overview of the diversity, richness, and composition of the oomycete community in fir plantations compared to surrounding natural forests. We showed that the P. cryptogea cluster, P. europaea cluster, P. sansomeana, and P. chlamydospora cluster were significantly more abundant in soils collected from plantations under diseased trees and confirmed that the P. europaea cluster (including P. abietivora) was most frequently associated with trees showing Phytophthora root rot‐like symptoms. Finally, we report that land use (anthropogenic activities) shapes oomycete diversity, while plantations can act as a gateway for invading natural forests. In fact, the results presented here suggested that the P. europaea cluster might already have crossed this boundary and that other species might follow, advocating the importance of improved surveillance of oomycete diversity in various environments.

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Section: Discussionmentioning

confidence: 99%

Section: F I G U R Ementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

mentioning

confidence: 99%

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Oomycete communities are influenced by land use and disease status in Christmas tree production in Southern Québec, Canada

Van der Heyden,

Duceppe,

Charron

et al. 2024

Environmental DNA

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“…However, disturbances caused by invasive pests lead to permanent community shifts, including costly functional extinctions and losses of productivity (96). Resistance and resilience against Williams, Ginzel, Ma…”

Section: Resistance and Resilience Of Forest Ecosystemsmentioning

confidence: 99%

The Global Forest Health Crisis: A Public Good Social Dilemma in Need of International Collective Action

Williams¹,

Ginzel²,

Ma³

et al. 2022

Preprint

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Society is confronted by interconnected threats to ecological sustainability. Among these is the devastation of forests by destructive non-native pathogens and insects introduced through global trade, leading to the loss of critical ecosystem services and a global forest health crisis. We argue that the forest health crisis is a public good social dilemma and propose a response framework that incorporates principles of collective action. This framework will enable scientists to better engage policymakers and empower the public to advocate for proactive biosecurity and forest health management. Collective action in forest health will feature broadly inclusive stakeholder engagement to build trust and set goals; accountability for destructive pest introductions; pooled support for weakest-link partners; and inclusion of intrinsic and non-market values of forest ecosystems in risk assessment. We provide short-term and longer-term measures that incorporate the above principles to shift the societal and ecological forest health paradigm to a more resilient state.

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Five organizing themes for invasive forest insect and disease management in Canada and the United States

Hudgins,

Leung,

MacQuarrie

et al. 2024

Forest Ecology and Management

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The Future of Forest Pathology in North America

Cited by 6 publications

References 56 publications

Oomycete communities are influenced by land use and disease status in Christmas tree production in Southern Québec, Canada

Oomycete communities are influenced by land use and disease status in Christmas tree production in Southern Québec, Canada

The Global Forest Health Crisis: A Public Good Social Dilemma in Need of International Collective Action

Five organizing themes for invasive forest insect and disease management in Canada and the United States

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