Ecosystem management based on large-scale disturbance pulses: A case study from sub-boreal forests of western Quebec (Canada)

Bouchard, Mathieu; Kneeshaw, Daniel; Bergeron, Yves

doi:10.1016/j.foreco.2008.05.044

Cited by 23 publications

(13 citation statements)

References 72 publications

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“…SBW outbreaks are regional events, creating a large periodic influx of dead wood with long intervals without dead wood contribution. Bouchard et al [146] suggested that such pulses in mortality and thus dead wood may be an important driver in the movement of faunal species in forests subject to SBW disturbance. Attempting to produce such pulses would thus be a challenge for forest managers who aim to produce a continual wood flow.…”

Section: Knowledge Gaps and Avenues For Researchmentioning

confidence: 99%

Incorporating Insect and Wind Disturbances in a Natural Disturbance-Based Management Framework for the Boreal Forest

Grandpré

Waldron

Bouchard

et al. 2018

Forests

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Natural disturbances are fundamental to forest ecosystem dynamics and have been used for two decades to improve forest management, notably in the boreal forest. Initially based on fire regimes, there is now a need to extend the concept to include other types of disturbances as they can greatly contribute to forest dynamics in some regions of the boreal zone. Here we review the main descriptors-that is, the severity, specificity, spatial and temporal descriptors and legacies, of windthrow and spruce bud worm outbreak disturbance regimes in boreal forests-in order to facilitate incorporating them into a natural disturbance-based forest management framework. We also describe the biological legacies that are generated by these disturbances. Temporal and spatial descriptors characterising both disturbance types are generally variable in time and space. This makes them difficult to reproduce in an ecosystem management framework. However, severity and specificity descriptors may provide a template upon which policies for maintaining post harvesting and salvage logging biological legacies can be based. In a context in which management mainly targets mature and old-growth stages, integrating insect and wind disturbances in a management framework is an important goal, as these disturbances contribute to creating heterogeneity in mature and old-growth forest characteristics.

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Section: Knowledge Gaps and Avenues For Researchmentioning

confidence: 99%

Incorporating Insect and Wind Disturbances in a Natural Disturbance-Based Management Framework for the Boreal Forest

Grandpré

Waldron

Bouchard

et al. 2018

Forests

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“…Fire and insect outbreaks are part of the natural dynamics of CMF, especially in the boreal region, and the vegetation succession process they trigger explains the "mosaic of patches" structure of forests [55][56][57][58][59]. The wood harvest performed through clear-cutting over more than 90% of the logged area leads to further stand replacement and forest patchiness [60].…”

Section: Overview Of Canadian Managed Forestsmentioning

confidence: 99%

Carbon Cycling, Climate Regulation, and Disturbances in Canadian Forests: Scientific Principles for Management

Landry

Ramankutty

2015

Land

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Canadian forests are often perceived as pristine and among the last remaining wilderness, but the majority of them are officially managed and undergo direct land use, mostly for wood harvest. This land use has modified their functions and properties, often inadvertently (e.g., age structure) but sometimes purposefully (e.g., fire suppression). Based on a review of the literature pertaining to carbon cycling, climate regulation, and disturbances from logging, fire, and insect outbreaks, we propose five scientific principles relevant for Canadian managed forests. Among these, a principle we wish to highlight is the need to properly account for the management-related fossil fuel emissions, because they will affect the global carbon cycle and climate for millennia unless massive atmospheric carbon dioxide removal becomes a reality. We also use these five principles to address questions of current interest to research scientists, forest managers, and policy makers. Our review focusses on total ecosystem carbon storage and various mechanisms through which forests affect climate, in particular albedo and aerosols forcings-including how disturbances influence all these elements-but also touches on other ecosystem goods and services. Our review underscores the importance of conducting >100-year time horizon studies of carbon cycling, climate regulation, and disturbances in Canadian managed forests.

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“…Gene flow of pre-adapted alleles from warmer climates will help tree species migrations at the leading edges of their ranges; however, populations at the rear edges will have greater chance of dieback due to lags in adaptation and migration ability (Aitken et al, 2008). Diebacks and declines are already evident in North American species such as paper birch, trembling aspen, ponderosa pine, pinyon pine and lodgepole pine (Hogg et al, 2002;Mueller et al, 2005;Bouchard et al, 2008;Heineman et al, 2010). Conversely, northward or upward migration is evident in lodgepole pine, white spruce and green alder (Johnstone & Chapin, 2003;Danby & Hik, 2007).…”

Section: Effects Of Climate Change On Forests and Their Mycorrhizal Cmentioning

confidence: 99%

The Role of Mycorrhizas in Forest Soil Stability with Climate Change

Simard¹,

Austin²

2010

Climate Change and Variability

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Ecosystem management based on large-scale disturbance pulses: A case study from sub-boreal forests of western Quebec (Canada)

Cited by 23 publications

References 72 publications

Incorporating Insect and Wind Disturbances in a Natural Disturbance-Based Management Framework for the Boreal Forest

Incorporating Insect and Wind Disturbances in a Natural Disturbance-Based Management Framework for the Boreal Forest

Carbon Cycling, Climate Regulation, and Disturbances in Canadian Forests: Scientific Principles for Management

The Role of Mycorrhizas in Forest Soil Stability with Climate Change

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