Management strategies for a large-scale mountain pine beetle outbreak: Modelling impacts on American martens

Steventon, J. Douglas; Daust, David K.

doi:10.1016/j.foreco.2009.02.013

Cited by 20 publications

(7 citation statements)

References 41 publications

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“…Road building in salvage-logged areas may also reduce the quality of nearby uncut stands, as it does in other managed forests [ 118 ]. In addition, salvage logging appears to sharply reduce connectivity between residual habitats, validating earlier forecasts of marten declines on these landscapes [ 114 ]. Although marten may tolerate a variety of post-fire conditions, salvage logging represents a cumulative disturbance that is substantially worse for marten than the original fire.…”

Section: Discussionsupporting

confidence: 64%

“…We are not aware of any prior studies examining marten home ranges in salvage-logged areas. Indirectly, Steventon and Daust [ 114 ] modeled the potential impact of salvage logging on marten after large-scale beetle outbreaks in BC. This work forecast a substantial loss of suitable habitats for marten in the next 20–40 years due to landscape fragmentation, even if conventional timber harvest occurred at lower intensity.…”

Section: Discussionmentioning

confidence: 99%

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Post-fire movements of Pacific marten (Martes caurina) depend on the severity of landscape change

Volkmann

Hodges

2021

Mov Ecol

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Background Wildfires and forestry activities such as post-fire salvage logging are altering North American forests on a massive scale. Habitat change and fragmentation on forested landscapes may threaten forest specialists, such as Pacific marten (Martes caurina), that require closed, connected, and highly structured habitats. Although marten use burned landscapes, it is unclear how these animals respond to differing burn severities, or how well they tolerate additional landscape change from salvage logging. Methods We used snow tracking and GPS collars to examine marten movements in three large burns in north-central Washington, USA (burned in 2006) and central British Columbia, Canada (burned in 2010 and 2017). We also assessed marten habitat use in relation to areas salvage-logged in the 2010 burn. We evaluated marten path characteristics in relation to post-fire habitat quality, including shifts in behaviour when crossing severely-disturbed habitats. Using GPS locations, we investigated marten home range characteristics and habitat selection in relation to forest cover, burn severity, and salvage logging. Results Marten in the 2006 burn shifted from random to directed movement in areas burned at high severity; in BC, they chose highly straight paths when crossing salvage-blocks and meadows. Collared marten structured their home ranges around forest cover and burn severity, avoiding sparsely-covered habitats and selecting areas burned at low severity. Marten selected areas farther from roads in both Washington and BC, selected areas closer to water in the 2006 burn, and strongly avoided salvage-logged areas of the 2010 burn. Marten home ranges overlapped extensively, including two males tracked concurrently in the 2010 burn. Conclusions Areas burned at low severity provide critical habitat for marten post-fire. Encouragingly, our results indicate that both male and female marten can maintain home ranges in large burns and use a wide range of post-fire conditions. However, salvage-logged areas are not suitable for marten and may represent significant barriers to foraging and dispersal.

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Section: Discussionsupporting

confidence: 64%

Section: Discussionmentioning

confidence: 99%

Post-fire movements of Pacific marten (Martes caurina) depend on the severity of landscape change

Volkmann

Hodges

2021

Mov Ecol

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“…Forest management, climate warming, roads, power lines, pipelines, and mining and energy developments are simultaneously altering some landscapes and results are cumulative and synergistic effects on species distributions (e.g., Vors et al 2007;Bowman et al 2010). Assessing the relative contribution of each of these changes is not possible, but their cumulative effects are undoubtedly more than the sum of the individual effects with cascading effects through boreal food webs and effects on individual species populations (e.g., Thompson et al 1998;Niemelä et al 2001;Carroll 2007;Weigl 2007;Steventon and Daust 2009) and potentially compounding the effects of natural disturbances on old-forest habitat (Klenner et al 2000).…”

Section: Trendsmentioning

confidence: 99%

Effects of natural resource development on the terrestrial biodiversity of Canadian boreal forests

et al. 2014

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Much of Canada's terrestrial biodiversity is supported by boreal forests. Natural resource development in boreal forests poses risks to this biodiversity. This paper reviews the scientific literature to assess the effects of natural resource development on terrestrial biodiversity in Canadian boreal forests. We address four questions: (1) To what extent have Canadian boreal forests changed due to natural resource development? (2) How has biodiversity responded to these changes? (3) Will the biodiversity of second-growth forests converge with that of primary boreal forests? (4) Are we losing species from boreal forests? We focus on trees, understory plants, insects, fungi, selected mammals, and songbirds because these groups have been most studied. We review more than 600 studies and found that changes in community composition are prevalent in response to large-scale conversion of forest types, changes in stand structures and age distributions, and altered landscape structure resulting from forest management and habitat loss associated with other developments such as oil and gas, hydroelectric, and mining. The southern boreal forest has been more highly impacted than the north due to more extensive forest management and the cumulative effects of multiple forms of development. There is abundant evidence that most species are not in danger of being extirpated from the boreal forest due to these anthropogenic changes. A few species, including woodland caribou (Rangifer tarandus) and grizzly bear (Ursus arctos), have, however, undergone long-term range contractions. Significant gaps in our ability to assess the effects of natural resource development on biodiversity in the boreal zone are the lack of long-term spatial and population data to monitor the impact of forest changes on ecosystems and species.Résumé : Une bonne partie de la biodiversité du Canada se retrouve en forêt boréale. Le développement des ressources naturelles dans des forêts boréales présente des risques pour cette biodiversité. Les auteurs présentent une revue de la littérature pour évaluer les effets du développement des ressources naturelles sur la biodiversité terrestre dans les forêts boréales canadiennes. Ils ont soulevé quatre questions : (1) jusqu'à quel point les forêts boréales canadiennes se sont vues modifiées par le développe-ment des ressources naturelles ? (2) Comment la biodiversité a-t-elle réagi à ces changements ? (3) Y aura-t-il convergence de la biodiversité des forêts de seconde venue avec celle des forêts boréales primaires ? (4) Subissons-nous des pertes d'espèces en forêts boréales ? Les auteurs se sont intéressés en particulier aux arbres, aux plantes de sous-bois, aux insectes, aux champignons, à des mammifères et oiseaux chanteurs sélectionnés, car ces groupes ont été les plus étudiés. Ils ont suivi plus de 600 espèces et ont constaté que les changements de composition prévalent en réaction à des modifications à grande échelle des types forestiers, des changements de la structure, des classes d'âge, des modifications aux ...

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“…This exercise suggests rapid landscape conversion due to the MPB outbreak and associated salvage logging can precipitate a shift towards overall reductions in tree size, snag and CWD levels in future managed landscapes, a conspicuous trend of intensively managed forests in some European landscapes (Linder and Ostlund, 1998). In post-MPB landscapes, these long-term effects could substantially reduce habitat and population size for wide-ranging forestdependent species like marten and, depending on future management objectives, constrain future forest management and habitat recovery options (Steventon and Daust, 2009). …”

Section: Discussionmentioning

confidence: 99%

Stand and landscape-level simulations of mountain pine beetle (Dendroctonus ponderosae) and salvage logging effects on live tree and deadwood habitats in south-central British Columbia, Canada

Lewis

2009

Forest Ecology and Management

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Management strategies for a large-scale mountain pine beetle outbreak: Modelling impacts on American martens

Cited by 20 publications

References 41 publications

Post-fire movements of Pacific marten (Martes caurina) depend on the severity of landscape change

Post-fire movements of Pacific marten (Martes caurina) depend on the severity of landscape change

Effects of natural resource development on the terrestrial biodiversity of Canadian boreal forests

Stand and landscape-level simulations of mountain pine beetle (Dendroctonus ponderosae) and salvage logging effects on live tree and deadwood habitats in south-central British Columbia, Canada

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