Search Results
Displaying:
441 - 460 of 668
Novel Aerial Photography as an Aid to Sampling Secondary Structure in Pine Stands
Resource
This project describes a new method for sampling secondary structure in beetle-attacked pine stands and reports on a test of its accuracy. The method consists of interpreting aerial photos taken when...
Noyer cendré : quelles sont ses chances face au chancre?
Resource
The continuing spread of butternut canker constitutes the greatest threat to the survival of butternut trees, which have been protected under the Species at Risk Act since 2005. Furthermore, growing...
Oak Wilt
Resource
Oak wilt is a tree disease caused by the fungus Bretziella fagacearum. The fungus is widespread throughout the eastern United States and, as of 2021, found within 600 m of the Canadian border near...
Old-Growth Forests in Canada
Resource
This pamphlet is about old-growth forests in Canada. It includes a map that shows the Forest Regions of Canada and provides examples of different old-growth forest types in some of these regions.
Opportunities and Limitations of Thinning to Increase Resistance and Resilience of Trees and Forests to Global Change
Resource
We reviewed recent literature to identify the positive and negative effects of thinning on both stand- and treelevel resistance and resilience to four stressors that are expected to increase in...
Optisource : un outil pour optimiser le transfert des semences
Resource
Can seedlings intended for reforestation be planted anywhere, regardless of the seed source from which they were obtained? The Optisource software was developed to help forest managers answer this...
Optisource: A Tool for Optimizing Seed Transfer
Resource
Can seedlings intended for reforestation be planted anywhere, regardless of the seed source from which they were obtained? The Optisource software was developed to help forest managers answer this...
Ovenbird (Seiurus aurocapilla) Territory Placement Near Seismic Lines is Influenced by Forest Regeneration and Conspecific Density
Resource
The boreal forest of western Canada is being dissected by seismic lines used for oil and gas exploration. The vast amount of edge being created is leading to concerns that core habitat will be reduced...
Peatland Drainage and Improvement Program (Phase 2): Controlling Water Table Levels to Enhance Tree Establishment and Growth
Resource
Three experimental forest drainage sites were established in Alberta’s boreal forest to determine the effects of lowered water tables on soils, local hydrology, ground vegetation composition and tree...
Petawawa Research Forest: Applied Science at its Finest!
Resource
Since 1918, forest researchers have used the Petawawa Research Forest to establish long term experiments and have collected data using varied and innovative techniques to learn how trees grow within...
Physiology and Mechanisms of Airborne Pollutant Injury to Vegetation, 1979-80
Resource
Appreciable changes in biochemical functions in an epiphytic lichen, Evernia mesomorpha, were observed in response to controlled SO2 exposures even at a very low SO2 concentration (0.1 ppm)
Phytoremediation Efficacy of Salix discolor and S. eriocephela on Adjacent Acidic Clay and Shale Overburden on a Former Mine Site: Growth, Soil, and Foliage Traits
Resource
Plants regularly experience suboptimal environments, but this can be particularly acute on highly disturbed mine sites such as the extensive coal mine spoils in central New Brunswick. Willows have...
Picea sitchensis / Gaultheria shallon / Maianthemum dilatatum. Association CNVC00016
Resource
The Canadian National Vegetation Classification (CNVC) is an ecological classification of natural and semi-natural Canadian vegetation. The classification is a hierarchical taxonomy, describing...
Picea sitchensis / Gaultheria shallon / Polystichum munitum. Association CNVC00057
Resource
The Canadian National Vegetation Classification (CNVC) is an ecological classification of natural and semi-natural Canadian vegetation. The classification is a hierarchical taxonomy, describing...
Picea sitchensis / Rubus spectabilis – Malus fusca / Carex obnupta. Association CNVC00024
Resource
The Canadian National Vegetation Classification (CNVC) is an ecological classification of natural and semi-natural Canadian vegetation. The classification is a hierarchical taxonomy, describing...
Picea sitchensis / Trisetum canescens. Association CNVC00018
Resource
The Canadian National Vegetation Classification (CNVC) is an ecological classification of natural and semi-natural Canadian vegetation. The classification is a hierarchical taxonomy, describing...
Picea sitchensis – Tsuga heterophylla / Eurhynchium oreganum. Association CNVC00025
Resource
The Canadian National Vegetation Classification (CNVC) is an ecological classification of natural and semi-natural Canadian vegetation. The classification is a hierarchical taxonomy, describing...
Picea sitchensis – Tsuga heterophylla / Oplopanax horridus – Rubus spectabilis / Gymnocarpium dryopteris. Association CNVC00003
Resource
The Canadian National Vegetation Classification (CNVC) is an ecological classification of natural and semi-natural Canadian vegetation. The classification is a hierarchical taxonomy, describing...