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Selection: with tag canada [22 articles] 

 

Spreading like wildfire

  
Nature Climate Change, Vol. 7, No. 11. (November 2017), pp. 755-755, https://doi.org/10.1038/nclimate3432

Abstract

The 2017 wildfire season has seen unusually high fire levels in many parts of the world, with extensive and severe fires occurring in Chile, the Mediterranean, Russia, the US, Canada and even Greenland. Is this a sign of things to come? [Excerpt] During January and February, Chile experienced what their president Michelle Bachelet called “The greatest forest disaster in our history”. The nation was not adequately equipped to tackle these fires, leading the government to enact a state of emergency and accept ...

 

The impacts of logging on landslide activity at Clayoquot Sound, British Columbia

  
CATENA, Vol. 38, No. 4. (February 2000), pp. 279-300, https://doi.org/10.1016/s0341-8162(99)00078-8

Abstract

The objective of this study was to investigate the impacts of logging on landslide activity in Clayoquot Sound on the west coast of Vancouver Island, British Columbia. A total of 1004 landslides were documented in order to test the hypothesis that areas affected by logging activities show different density, frequency and magnitude characteristics of landsliding than areas unaffected by logging. The frequency of landslides in logged terrain was found to be nine times higher than in undisturbed forest. An exponential increase ...

 

Ground-truthing the Drought Code: field verification of overwinter recharge of forest floor moisture

  
Vol. 268 (1996)

Abstract

[Excerpt:Executive summary] Users of the Canadian Forest Fire Weather Index System are required to precede computation of the Drought Code (DC) component each spring by first calculating a mathematical model of overwinter recharge of moisture in the forest floor. Practical limitations of the mathematical model, required for operational simplicity, have resulted in requests from users for a field sampling procedure that can be used to verify the model, where, and when desired. [\n] This report describes a standard procedure for destructively sampling ...

 

Relating changes in duff moisture to the Canadian Forest Fire Weather Index System in Populus tremuloides stands in Elk Island National Park

  
Canadian Journal of Forest Research, Vol. 37, No. 10. (1 October 2007), pp. 1987-1998

Abstract

The manner in which trembling aspen (Populus tremuloides Michx.) forest duff moisture changes during the growing season was investigated in Elk Island National Park, Alberta, Canada. A calibration–validation procedure incorporating one calibration site with moisture sampling across three topographic positions was used to develop predictive models, which were subsequently compared with 12 validation sites across three vegetation types throughout the Park. Duff moisture was modelled against the Duff Moisture Code and Drought Code components of the Canadian Forest Fire Weather Index ...

 

A study of the relation of meteorological variables to monthly provincial area burned by wildfire in Canada (1953-80)

  
Journal of Applied Meteorology and Climatology, Vol. 27, No. 4. (1 April 1988), pp. 441-452, https://doi.org/10.1175/1520-0450(1988)027<0441:asotro>2.0.co;2

Abstract

The relation between meteorological variables and the monthly area burned by wildfire from May to August 1953–80 in nine Canadian “provinces” was investigated. A purely statistical approach to estimating the monthly provincial area burned, using meteorological variables as predictors, succeeded in explaining 30% of the variance west of Lake Nipigon and about 11% east of Lake Nipigon. [\n] Long sequences of days with less than 1.5 mm of rain or days with relative humidities less than 60% proved to have the highest ...

 

Characterizing extreme fire and weather events in the Boreal Shield ecozone of Ontario

  
Agricultural and Forest Meteorology, Vol. 133, No. 1-4. (November 2005), pp. 5-16, https://doi.org/10.1016/j.agrformet.2005.07.015

Abstract

Fire frequency is the most commonly used measure to characterize fire regimes for comparisons across geographical areas or time periods. Within the boreal forest region of the Boreal Shield ecozone of Ontario, fire frequency changes over time and across longitudinal gradients have been associated with drought frequency and large-scale climate processes. While providing evidence that fire regimes differ across areas of the Boreal Shield, fire frequency alone provides little insight into the potential for extreme fire events and the extreme fire ...

 

Climate change and wildfire in Canada

  
Canadian Journal of Forest Research, Vol. 21, No. 1. (1 January 1991), pp. 66-72, https://doi.org/10.1139/x91-010

Abstract

This study investigates the impact of postulated greenhouse warming on the severity of the forest fire season in Canada. Using CO2 levels that are double those of the present (2 × CO2), simulation results from three general circulation models (Geophysical Fluid Dynamics Laboratory, Goddard Institute for Space Studies, and Oregon State University) were used to calculate the seasonal severity ratings for six stations across Canada. Monthly anomalies from the 2 × CO2 simulation results were superimposed over historical sequences of daily weather. Then, seasonal severity ...

 

Wildfire suppression costs for Canada under a changing climate

  
PLoS ONE, Vol. 11, No. 8. (11 August 2016), e0157425, https://doi.org/10.1371/journal.pone.0157425

Abstract

Climate-influenced changes in fire regimes in northern temperate and boreal regions will have both ecological and economic ramifications. We examine possible future wildfire area burned and suppression costs using a recently compiled historical (i.e., 1980–2009) fire management cost database for Canada and several Intergovernmental Panel on Climate Change (IPCC) climate projections. Area burned was modelled as a function of a climate moisture index (CMI), and fire suppression costs then estimated as a function of area burned. Future estimates of area burned ...

 

Increasing daily wildfire risk in the Acadian Forest Region of Nova Scotia, Canada, under future climate change

  
Regional Environmental Change, Vol. 15, No. 7. (2015), pp. 1447-1459, https://doi.org/10.1007/s10113-014-0698-5

Abstract

A conceptual system dynamic model of the impact of future climate change on fire risk in the Nova Scotian Acadian Forest Region (NS AFR) was developed, clarifying the influence of positive and negative drivers of future fire risk. Weights of relative importance for seven wildfire risk drivers identified in the conceptual model were elicited through an analytical hierarchy process. Expert participants identified precipitation, temperature, and local tree species composition as the most important determinants of future fire risk. Fire weather variables ...

 

Human activity differentially redistributes large mammals in the Canadian Rockies national parks

  
Ecology and Society, Vol. 16, No. 3. (2011), https://doi.org/10.5751/es-04251-160316

Abstract

National parks are important for conservation of species such as wolves (Canis lupus) and elk (Cervus canadensis). However, topography, vegetation conditions, and anthropogenic infrastructure within parks may limit available habitat. Human activity on trails and roads may lead to indirect habitat loss, further limiting available habitat. Predators and prey may respond differentially to human activity, potentially disrupting ecological processes. However, research on such impacts to wildlife is incomplete, especially at fine spatial and temporal scales. Our research investigated the relationship between ...

 

Response of green alder (Alnus viridis subsp. fruticosa) patch dynamics and plant community composition to fire and regional temperature in north-western Canada

  
Journal of Biogeography, Vol. 37, No. 8. (1 August 2010), pp. 1597-1610, https://doi.org/10.1111/j.1365-2699.2010.02317.x

Abstract

Aim  Feedbacks between climate warming and fire have the potential to alter Arctic and sub-Arctic vegetation. In this paper we assess the effects and interactions of temperature and wildfire on plant communities across the transition between the Arctic and sub-Arctic. Location  Mackenzie Delta region, Northwest Territories, Canada. Methods  We sampled air temperatures, green alder (Alnus viridis ssp. fruticosa) cover, growth, reproduction and age distributions, and overall plant community composition on burned and unburned sites across a latitudinal gradient. Results  Mean summer ...

 

Assessing crown fire potential in coniferous forests of western North America: a critique of current approaches and recent simulation studies

  
International Journal of Wildland Fire, Vol. 19, No. 4. (2010), 377, https://doi.org/10.1071/wf08132

Abstract

To control and use wildland fires safely and effectively depends on creditable assessments of fire potential, including the propensity for crowning in conifer forests. Simulation studies that use certain fire modelling systems (i.e. NEXUS, FlamMap, FARSITE, FFE-FVS (Fire and Fuels Extension to the Forest Vegetation Simulator), Fuel Management Analyst (FMAPlus®), BehavePlus) based on separate implementations or direct integration of Rothermel’s surface and crown rate of fire spread models with Van Wagner’s crown fire transition and propagation models are shown to have ...

 

Guide to the Record Trees of British Columbia

  
(1993)
Keywords: canada   monumental-trees  
 

Regeneration behavior of competing plants after clear cutting: implications for vegetation management

  
Forest Ecology and Management, Vol. 95, No. 1. (July 1997), pp. 1-10, https://doi.org/10.1016/s0378-1127(97)00012-1

Abstract

Regeneration characteristics and population dynamics of four major competing plants, trembling aspen (Populus tremuloides Michx.), pin cherry (Prunus pensylvanica L.f.), green alder (Alnus viridis spp. crispa (Aiton) Turril) and beaked hazel (Corylus cornuta Marsh.) were studied from a seven-year-old clearcut in northwestern Ontario, Canada. The site was planted with jack pine two years after clearcutting. Regeneration strategies and population dynamics of these plants were studied by determining their crown diameter, stem density, stem height, stem age, depth of sprouting center, inter-sprout ...

 

Mapping erosion in New Zealand and Canada

  
In Remote Sensing for Resource Management (1982)

Abstract

Soil erosion and mass movement rapidly are becoming critical factors in maintaining the long-term productivity of agricultural [...] ...

 

Spatiotemporal patterns of observed bark beetle-caused tree mortality in British Columbia and the western United States

  
Ecological Applications, Vol. 22, No. 7. (October 2012), pp. 1876-1891, https://doi.org/10.1890/11-1785.1

Abstract

Outbreaks of aggressive bark beetle species cause widespread tree mortality, affecting timber production, wildlife habitat, wildfire, forest composition and structure, biogeochemical cycling, and biogeophysical processes. As a result, agencies responsible for forest management in the United States and British Columbia conduct aerial surveys to map these forest disturbances. Here we combined aerial surveys from British Columbia (2001–2010) and the western conterminous United States (1997–2010), produced 1-km2 grids of the area of crown mortality from bark beetle attack, and analyzed spatial and ...

 

Characterised and Projected Costs of Nonindigenous Species in Canada

  
Biological Invasions In Biological Invasions, Vol. 8, No. 1. (January 2006), pp. 45-59, https://doi.org/10.1007/s10530-005-0236-y

Abstract

Biological invasions by nonindigenous species (NIS) can have adverse effects on economically important goods and services, and sometimes result in an ‘invisible tax’ on natural resources (e.g. reduced yield). The combined economic costs of NIS may be significant, with implications for environmental policy and resource management; yet economic impact assessments are rare at a national scale. Impacts of nuisance NIS may be direct (e.g. loss of hardwood trees) or indirect (e.g. alteration of ecosystem services provided by growing hardwoods). Moreover, costs ...

 

(INRMM-MiD internal record) List of keywords of the INRMM meta-information database - part 5

  
(February 2014)
Keywords: bioscience   biosecurity   biotechnology   biotic-effects   biotic-factors   biotic-interactions   birches   bird-conservation   bird-dispersal   bird-pollination   biscogniauxia-atropunctata   biscogniauxia-mediterranea   biscogniauxia-nummularia   bismarckia-nobilis   bixa-orellana   black-aphid   black-carbon   black-pine   black-poplar   black-sea-region   blechnum-spicant   blitz   blue-tits   blue-water   bogs   boiss   bombacopsis-quinata   bombax-malabaricum   bone-attachment   boolean-expressions   bootstrap   borassus-flabellifer   borch-forest   boreal-continental-forest   boreal-forest   boreal-mountain-system   bosnia-herzegovina   boswellia-sacra   botanical-macro-remains   botany   botryosphaeria-spp   bottom-up   brachylaena-huillensis   brachylaena-rotundata   bracon-hylobii   brasil   brassica-spp   brassicaceae   brenneria-goodwinii   britain   british-columbia   british-forestry   british-isles   british-native-trees   broadleaved   brosimum-rubescens   browsing   bryophyte   bsd-3clause   bucida-buceras   buddleja-spp   bugs   bulgaria   buprestidae   bureaucracy   burnt-scar-mapping   bursaphelenchus-xylophilus   bursera-simaruba   burundi   butea-monosperma   butterfly   buxus-sempervirens   buxus-spp   by-products   byctiscus-betulae   byctiscus-populi   c   c-factor   c-plus-plus   cabi   calamagrostis-argentea   calcium   california   callophylum-brasiliense   calluna-vulgaris   calocedrus-decurrens   calophyllum-inophyllum   calorific-values   calotropis-procera   camellia-reticulata   cameraria-ohridella   campanula-spp   canada   cananga-odorata   cancer-treament   cancer-treatment   candida   candidatus-phytoplasma-ulmi   canker   inrmm-list-of-tags  

Abstract

List of indexed keywords within the transdisciplinary set of domains which relate to the Integrated Natural Resources Modelling and Management (INRMM). In particular, the list of keywords maps the semantic tags in the INRMM Meta-information Database (INRMM-MiD). [\n] The INRMM-MiD records providing this list are accessible by the special tag: inrmm-list-of-tags ( http://mfkp.org/INRMM/tag/inrmm-list-of-tags ). ...

 

Disturbance legacies and climate jointly drive tree growth and mortality in an intensively studied boreal forest

  
Global Change Biology (1 September 2013), pp. n/a-n/a, https://doi.org/10.1111/gcb.12404

Abstract

Most North American forests are at some stage of post-disturbance regrowth, subject to a changing climate, and exhibit growth and mortality patterns that may not be closely coupled to annual environmental conditions. Distinguishing the possibly interacting effects of these processes is necessary to put short-term studies in a longer-term context, and particularly important for the carbon-dense, fire-prone boreal forest. The goals of this study were to combine dendrochronological sampling, inventory records, and machine-learning algorithms to understand how tree growth and death ...

 

Remote sensing estimates of boreal and temperate forest woody biomass: carbon pools, sources, and sinks

  
Remote Sensing of Environment, Vol. 84, No. 3. (March 2003), pp. 393-410, https://doi.org/10.1016/s0034-4257(02)00130-x

Abstract

The relation between satellite measurements of the normalized difference vegetation index (NDVI), cumulated over the growing season, and inventory estimates of forest woody biomass carbon is estimated statistically with data from 167 provinces and states in six countries (Canada, Finland, Norway, Russia and the USA for a single time period and Sweden for two periods). Statistical tests indicate that the regression model can be used to represent the relation between forest biomass and NDVI across spatial, temporal and ecological scales for ...

 

A Canadian Biomass Inventory: Feedstocks for a Bio-based Economy

  
(June 2003)

Abstract

Executive Summary. A detailed analysis was carried out to assess the capacity of Canada’s biological resources – in particular, agriculture and forestry - to support a bio-based economy. In a bio-based economy, the agriculture and forestry sectors are involved in the large-scale production of bio-based energy (e.g. fuels), industrial chemicals and feed-stocks, in addition to the production of food, feed and fibre. The analysis explored Forest Production, Agricultural Production and Municipal Waste streams. Key findings of the analysis include: (1) Land Area: Of the ...

 

Mountain pine beetle and forest carbon feedback to climate change

  
Nature, Vol. 452, No. 7190. (24 April 2008), pp. 987-990, https://doi.org/10.1038/nature06777

Abstract

The mountain pine beetle (Dendroctonus ponderosae Hopkins, Coleoptera: Curculionidae, Scolytinae) is a native insect of the pine forests of western North America, and its populations periodically erupt into large-scale outbreaks1, 2, 3. During outbreaks, the resulting widespread tree mortality reduces forest carbon uptake and increases future emissions from the decay of killed trees. The impacts of insects on forest carbon dynamics, however, are generally ignored in large-scale modelling analyses. The current outbreak in British Columbia, Canada, is an order of magnitude ...

This page of the database may be cited as:
Integrated Natural Resources Modelling and Management - Meta-information Database. http://mfkp.org/INRMM/tag/canada

Publication metadata

Bibtex, RIS, RSS/XML feed, Json, Dublin Core

Meta-information Database (INRMM-MiD).
This database integrates a dedicated meta-information database in CiteULike (the CiteULike INRMM Group) with the meta-information available in Google Scholar, CrossRef and DataCite. The Altmetric database with Article-Level Metrics is also harvested. Part of the provided semantic content (machine-readable) is made even human-readable thanks to the DCMI Dublin Core viewer. Digital preservation of the meta-information indexed within the INRMM-MiD publication records is implemented thanks to the Internet Archive.
The library of INRMM related pubblications may be quickly accessed with the following links.
Search within the whole INRMM meta-information database:
Search only within the INRMM-MiD publication records:
Full-text and abstracts of the publications indexed by the INRMM meta-information database are copyrighted by the respective publishers/authors. They are subject to all applicable copyright protection. The conditions of use of each indexed publication is defined by its copyright owner. Please, be aware that the indexed meta-information entirely relies on voluntary work and constitutes a quite incomplete and not homogeneous work-in-progress.
INRMM-MiD was experimentally established by the Maieutike Research Initiative in 2008 and then improved with the help of several volunteers (with a major technical upgrade in 2011). This new integrated interface is operational since 2014.