阿根廷vs墨西哥竞猜 knowledge commons: recent submissions
now showing items 941-960 of 3668
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control of heat and fluid flow in solidification processes by an inverse method
(2000)the objective of this research is to produce a control scheme by an inverse method that is capable of acting fast enough to be useful in a real-time manufacturing environment. the scheme should provide a transient boundary ... -
implication of introducing body checking in ice hockey at different ages
(1997)the main purpose of this research was to compare the rate of body checking injuries between two provinces that introduce body checking at different ages (age 12 versus 14). three teams from ontario (body checking introduced ... -
modelling barred owl habitat in northwestern ontario
(1996)with its large home range, dependence on large decadent trees for nest cavities, and association with mature mixedwoods, the barred owl (strix varia) is vulnerable to habitat loss from forest harvesting. study objectives ... -
a review of engineered wood products in canada
(2018)engineered wood products, such as glulam, laminated veneer lumber, oriented strand lumber and cross laminated timber, are increasingly being utilized for construction purposes both domestically and abroad. mass timber ... -
using controlled water treatment on understory plant species to determine the effects of climate change on the boreal forest
(2018)climate change poses a big threat to boreal forest managers. we have set out to test how different precipitation levels will affect a number of boreal understory species across the three forest types commonly found in the ... -
effects of mechanical site preparation on the growth of jack pine (pinus banksiana)
(2018)the boreal forest in canada provides a large volume of timber for canadians and other countries year after year and effective silviculture is the key to sustainable harvesting. site preparation can be a critical step in ... -
effects of species composition and season change on fine root length increase with stand development in northwest ontario
(2018)the root length is an important indicator to reflect the growth characteristics of the tree, but the root length is difficult to obtain through direct measurement, and the root as a sensitive organ of plants can indirectly ... -
an examination of the effectiveness of myke® on growth of potted american elm seedlings under greenhouse conditions
(2018)this thesis is an examination of the commercial mycorrhizal additive known as myke®, and the impact upon growth that it has on american elm seedlings grown under greenhouse conditions. seedlings of american elm were grown ... -
a preliminary study on regional variation in skull morphometrics of vulpes vulpes in thunder bay, on
(2018)the purpose of this study was to identify whether morphological differences occur between subsets of red fox (vulpes vulpes l.) from different areas in thunder bay district. the goal was to examine the statistical output ... -
edge effects of road material and compaction on the regeneration of jack pine in the english river forest
(2018)there is potentially a considerable proportion of harvestable forest area experiencing road edge effects. it may be important to understand these effects and how trees respond to them to improve forest growth modeling ... -
examination of species of wood decay fungi present on hazard street trees in thunder bay, ontario
(2018)urban forests are an integral component in modern day urban infrastructure. forests systematically planted in unnatural growing conditions are predisposed to injury, deficiency and disease, therefore requiring regular ... -
factors influencing trail use into lakes with tourism values
tourism establishments that are only accessible by float plane are a vital component to northern ontario‟s economy. the remote nature of the lakes where these establishments are located can be compromised through introduced ... -
power line use by nesting raptors
(2018)raptors represent an important species group often targeted in wildlife monitoring efforts. incidental raptor stick-nest observations were recorded in saskpower power line aerial imagery. analyses were conducted to ... -
community forestry in canada: an overview of current affairs and potential for the future
(2018)this paper examines the current body of literature available covering the topic of community forestry in canada. using a modified synthesis literature review method articles covering the theoretical and practical applications ... -
predicting brook trout distributions using the aquatic ecosystem classification for ontario’s rivers and streams
(2018)brook trout are a highly valued aquatic species that are sensitive to changes in their environment. studies show that optimal brook trout habitats have declined due to anthropogenic effects like forest fragmentation, ... -
cut-and-skid business plan for the ottawa valley
(2018)the purpose of this thesis is to perform a feasibility analysis for starting a cut and skid harvesting operation in the ottawa valley. this is done using time studies and harvesting costing. it is proposed that a cut-and-skid ... -
patterns of mercury accumulation in northern ontario walleye and relationship with watershed characteristics
(2018)mercury is a well known toxic contaminate that poses health risks to humans and wildlife. in ontario 85% of consumption restrictions of fish from inland lakes is due to mercury contamination. the purpose of this study was ... -
the behavioural effects of anthropogenic noise on rainbow trout in a holding facility
(2018)there is a growing concern within the scientific community about the effects of anthropogenic noise on fish. pile driving creates large amounts of noise, and especially in the creation of bridges it has the ability to ... -
effect of harvest intensity on soil carbon and nutrients across global forests: a meta-analysis
(2018)logging residues can retain important nutrients for tree growth after biomass harvesting. however, increasing the harvest intensity may decrease soil nutrient stores stocks and affect biomass productivity. using 2207 ... -
common characteristics of behaviour, habitat, and diet of endangered wetland birds
(2018)wetland birds are birds that depend on wetlands for survival. they can be separated into endangered and abundant species. the protection of wetland birds has become a critical topic, as pollution, habitat loss and changes ...