Impact and Control of Forest Diseases in Canada

Whitney, R. D.; Hunt, R. S.; Munro, J. A.

doi:10.5558/tfc59223-5

Cited by 3 publications

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“…Using the Whitney et al(1983) article as a starting point, I recently canvassed 10 leading forest pathologists covering all regions of Canada to determine the number of forest pathologists devoting a major portion of their time to research today compared with 10 years ago (Table 1). Apparently the numbers have not changed greatly, but there has been a noticeable shift from basic laboratory research to highly applied field studies.…”

Section: The Research Pool Today Active Forest Pathologistsmentioning

confidence: 99%

A View of Forest Pathology Research in Canada

Lachance¹

1990

The Forestry Chronicle

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Losses due to diseases are an important part of forest pest depletion, therefore much is expected from forest pathology research. Examples of recent accomplishments in forest disease protection include a vastly increased knowledge in the field of root and butt rots as well as in control methodologies and in the predictability of such problems; the development of control strategies for scleroderris canker through increased surveys, improved diagnostic methodologies and new control techniques; the establishment of white pine blister rust hazard zones; and the publication of user-friendly technical bulletins. As the pool of forest pathology researchers has changed little in recent years, the task ahead is enormous when compared to expectations. However, acquired knowledge, the application of new technologies, and the more common acceptance of the integrated pest management (IPM) concept should allow for significant strides forward in forest disease control. Finally, it is suggested that forest pathologists take the lead in promoting a concept of forest health to promote better integration of forest disease protection with forest stand productivity and survival.

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Section: The Research Pool Today Active Forest Pathologistsmentioning

confidence: 99%

A View of Forest Pathology Research in Canada

Lachance¹

1990

The Forestry Chronicle

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Role of biotechnology in forest disease research and management in Canada: synthesis¹

Singh¹

1989

European Journal of Forest Pathology

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Anticipating the consequences of climate change for Canada’s boreal forest ecosystems

et al. 2013

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Canadian boreal woodlands and forests cover approximately 3.09 × 106 km2, located within a larger boreal zone characterized by cool summers and long cold winters. Warming since the 1850s, increases in annual mean temperature of at least 2 °C between 2000 and 2050 are highly probable. Annual mean temperatures across the Canadian boreal zone could be 4–5 °C warmer than today’s by 2100. All aspects of boreal forest ecosystem function are likely to be affected. Further, several potential “tipping elements” — where exposure to increasing changes in climate may trigger distinct shifts in ecosystem state — can be identified across the Canadian boreal zone. Approximately 40% of the forested area is underlain by permafrost, some of which is already degrading irreversibly, triggering a process of forest decline and re-establishment lasting several decades, while also releasing significant quantities of greenhouse gases that will amplify the future global warming trend. Warmer temperatures coupled with significant changes in the distribution and timing of annual precipitation are likely to cause serious tree-killing droughts in the west; east of the Great Lakes, however, where precipitation is generally nonlimiting, warming coupled with increasing atmospheric carbon dioxide may stimulate higher forest productivity. Large wildfires, which can cause serious economic losses, are expected to become more frequent, but increases in mean annual area burned will be relatively gradual. The most immediate threats could come from endemic forest insect pests that have the potential for population outbreaks in response to relatively small temperature increases. Quantifying the multiple effects of climate change will be challenging, particularly because there are great uncertainties attached to possible interactions among them, as well as with other land-use pressures. Considerable ingenuity will be needed from forest managers and scientists to address the formidable challenges posed by climate change to boreal ecosystems and develop effective strategies to adapt sustainable forest management practices to the impending changes.

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Impact and Control of Forest Diseases in Canada

Cited by 3 publications

References 3 publications

A View of Forest Pathology Research in Canada

A View of Forest Pathology Research in Canada

Role of biotechnology in forest disease research and management in Canada: synthesis¹

Anticipating the consequences of climate change for Canada’s boreal forest ecosystems

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Impact and Control of Forest Diseases in Canada

Cited by 3 publications

References 3 publications

A View of Forest Pathology Research in Canada

A View of Forest Pathology Research in Canada

Role of biotechnology in forest disease research and management in Canada: synthesis1

Anticipating the consequences of climate change for Canada’s boreal forest ecosystems

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Role of biotechnology in forest disease research and management in Canada: synthesis¹