Wetlands Knowledge Search Results
Resource
Authors
Rob Johns
Véronique Martel
The spruce budworm is a native forest insect that inhabits the spruce-fir forests of northeastern North America. Outbreaks of this insect occur every 30 to 40 years. During this cycle, populations...
Resource
Authors
Tim Williamson
Mark Johnston
Harry Nelson
Jason Edwards
Canadian forest management agencies have already made significant progress in addressing climate change. Adaptation measures have included undertaking research and completing assessments; implementing...
Resource
Invasions by alien organisms into new habitats pose one of the most significant global threats to ecosystem biodiversity and serious threats to economies around the globe. Canada, with its vast...
Resource
Authors
Gaston Laflamme
Guy Bussières
Annosus root and butt rot appeared in Quebec relatively recently and its progression still seems to be fairly limited. However, the capacity of this disease to spread over long distances and the value...
Resource
Authors
Kishan Sambaraju
Chantal Côté
Invasions of exotic forest insects and pathogens can devastate evolutionarily naïve habitats and could cause irreversible changes to urban and natural ecosystems. Given the ever-increasing volume of...
Resource
Authors
Enrique Doblas-Miranda
Daniel Kneeshaw
Phil Burton
Barry Cooke
Marie-Josée Fortin
David MacLean
Rongzhou Man
Michael Papaik
Brian Sturtevant
Insect outbreaks are natural and recurring disturbances that have a greater impact on wood-fibre supply than wildfires. Proactive rather than reactive management strategies provide the best...
Resource
Annosus root and butt rot was first reported in Quebec in 1989. The causal fungus enters a pine stand by colonizing the surface of freshly cut stumps. The disease spreads through contact between the...
Resource
Over 70 diseases have been found and recorded on black spruce ( Picea mariana [Mill.] B.S.P.) in Ontario (Davis and Myren 1990). They range from vigorous pathogens capable of causing death or serious...
Resource
Invasions by alien organisms into new habitats pose one of the most significant global threats to ecosystem biodiversity and serious threats to economies around the globe. Canada, with its vast...
Resource
Frost and other climate-related damage of forest trees in the Canadian prairie provinces are described in terms of their cause and damage, symptoms and diagnosis, and prevention and control. Types of...
Resource
Authors
V. Fewster
Chris MacQuarrie
Jeffrey Fidgen
The hemlock woolly adelgid ( Adelges tsugae) is an introduced pest of hemlock trees in eastern Canada and the eastern United States. Hemlock woolly adelgid is also present in British Columbia but is a...
Resource
Annosus root and butt rot appeared in Quebec relatively recently and its progression still seems to be fairly limited. However, the capacity of this disease to spread over long distances and the value...
Resource
Authors
V. Fewster
Chris MacQuarrie
Jeffrey Fidgen
Le puceron lanigère de la pruche ( Adelges tsugae) est une population introduite ravageur de pruches dans l’est du Canada et l’est des États-Unis. Puceron lanigère de la pruche est aussi présent en...
Resource
Annosus root and butt rot was first reported in Quebec in 1989. The causal fungus enters a pine stand by colonizing the surface of freshly cut stumps. The disease spreads through contact between the...
Resource
Authors
Enrique Doblas-Miranda
Daniel Kneeshaw
Phil Burton
Barry Cooke
Marie-Josée Fortin
David MacLean
Rongzhou Man
Michael Papaik
Brian Sturtevant
Insect outbreaks are natural and recurring disturbances that have a greater impact on wood-fibre supply than wildfires. Proactive rather than reactive management strategies provide the best...
Resource
New science led by Nature United reveals nature can deliver immediate impact in Canada’s fight to tackle the climate crisis. Natural Climate Solutions are actions to protect, better manage and restore...
Resource
Authors
Jeffrey Fidgen
Chris MacQuarrie
Jean Turgeon
Hemlock woolly adelgid ( Adelges tsugae Annand) has recently invaded Canada and is threatening the survival of eastern hemlock. An important part of the management of the hemlock woolly adelgid is...
Resource
Authors
V. Fewster
Jeffrey Fidgen
Chris MacQuarrie
La spongieuse ( Lymantria dispar) est un insecte défoliateur non indigène naturalisé. La spongieuse a une prédilection pour le chêne, mais elle s’attaque à plusieurs autres essences d’arbres indigènes...
Resource
Authors
V. Fewster
Jeffrey Fidgen
Chris MacQuarrie
Spongy moth ( Lymantria dispar) is a naturalized non-native pest that prefers oak leaves, but it can defoliate several other tree species native to Canada. Repeated high rates of defoliation by spongy...
Resource
Forest Pest Leaflets are a series of about eighty publications dealing with insects, tree diseases, and other problems affecting the growth, survival, and general health of forests. Each leaflet...