Browsing by Discipline
Now showing items 41-60 of 217
-
Ecologically-based taper equations for major tree species in Manitoba
(2004)Kozak's variable exponent taper equation was fitted for balsam poplar (Populus balsamifera L.), trembling aspen (Populus tremuloides Michx.), white spruce (Picea glauca (Moench) Voss), black spruce (Picea mariana (Mill.) ... -
Ecology of terrestrial gastropods and their response to conifer release treatments in northwestern Ontario
(1995)The primary objective of this study was to document any changes in terrestrial gastropod species richness and density associated with alternative methods of managing competing vegetation on regenerating conifer plantations. ... -
Econometric model of Canada's newsprint exports to the United States of America
(1990)An econometric model was built for predictive purposes and for understanding the relationship between the US market and Canadian newsprint producers. In this study, a simultaneous-equation model was developed, which ... -
Economic wood supply from alternative silvicultural systems : a case study in Ontario's boreal forest
(1997)A modified version of the Harvest Schedule Generator model (HSG) was used to predict the economic wood supply from alternative silvicultural systems on a case study forest (Seine River Forest) In northwestern Ontario’s ... -
Ecophysiological responses of four boreal tree species to soil nitrogen supply
(2000)The ecophysiological responses of four boreal tree species, trembling aspen (Populus tremuloides Michx.), black spruce (Picea mariana (Mill.) B.S.P.), white spruce (Picea glauca (Moench) Voss), and jack pine (Pinus ... -
Ecophysiological responses of white birch seedlings to soil temperature and phosphorus supply under current and doubled carbon dioxide concentration
(2009)To investigate the responses of some physiological and morphological traits to different soil temperature and phosphorus supply under current and doubled carbon dioxide concentration ([CO2]), white birch (Betula papyrifera ... -
Ecosystem sustainability and resource-based tourism : linkages and indicators
(2000)The landscape of northern Ontario provides an ideal setting for resource-based tourism and, in recent years, the focus on tourism has increased due to the popularity of outdoor recreation and the notion that tourism can ... -
Educating resource technicians to the new concept of ecological classification systems
(2001)The topics o f Ecosystem Management (EM) and Ecological Classification Systems (ECS) are appearing more frequently in forest management literature. These systems facilitate our understanding, not only o f forests from a ... -
Effect of harvesting methods on the phytosociology of a boreal mixedwood forest community
(1994)A naturally regenerating boreal mixedwood site was remeasured 37 years after four harvest treatments; clearcutting (CC), deferred 'softwoods only' cutting (DC), 'softwoods only' cutting (SC), and hardwoods poisoned, ... -
Effect of photoperiod on apical growth cessation in tamarack (Larix laricina) and balsam poplar (Populus balsamifera) provenances from northern Ontario
(1990)The effects of four photoperiods (i.e. 6, 10, 14, and 18 hours) on the rate of apical growth cessation and apical bud primordia production were studied in controlled environment experiments using tamarack {Larix laricina ... -
Effective root growth potential of jack pine (Pinus banksiana Lamb.) container stock
(1989)The effective root growth potential (RGP) of both potted and outplanted jack pine seedlings grown in Lannen-Sokeri FH-408 paperpots and Can-Am #2 Multipots was measured on three test dates during the summers of 1986 and ... -
Effectiveness of dispute resolution mechanisms in natural resource management in Ontario
(1994)For a variety of reasons, the number and complexity of natural resource management conflicts in Ontario is increasing rapidly. To evaluate the premise that existing natural resource management planning processes are ... -
Effects of alternative conifer release treatments on a soil seed bank in a boreal spruce plantation
(2002)Evaluates the effects of 5 alternative conifer release treatments : cutting with brushsaws and a mechanical cleaning machine, applying herbicides (Release triclopyr and Vision glyphosate) by helicopter, and, untreated ... -
Effects of alternative vegetation management treatments on epigeal insects, coleoptera, carabidae and non-insectan arthropods
(1997)The primary objective of this study was to examine the effects of alternative vegetation management on epigeal insects, Coleoptera, Carabidae, and non-insectan arthropods. This study, which is a component of the Fallingsnow ... -
Effects of container volume and shape on the growth of black spruce (Picea mariana (Mill.) B.S.P.) seedlings
(1984)The objective of this thesis was to evaluate the growth of black spruce seedlings in containers with four soil volumes (45, 90, 180, 360 cm3) and at three diameter/depth shapes (1:2, 1:3, 1:4). Seedling height, root collar ... -
Effects of elevated carbon dioxide concentration and light on biomass morphology and physiology of black spruce and white spruce seedlings
(2008)Carbon dioxide concentration and light interactions influence competition among boreal tree species, though little is known about the exact effects. The interactive effects of [CO 2 ] and light on growth, biomass production, ... -
Effects of forest fires on timber harvest levels
(1994)Traditional approaches to timber management planning do not address the realities of catastrophic wildfire. The model FORMAN is one of the operational wood supply models used in Ontario for forest regulation. The FORTRAN ... -
Effects of forest management, weather, and landscape pattern on furbearer harvests at large-scales
(2003)Over the past 50 years, Ontario’s forest landscape has changed due to ever increasing natural resource management. The natural vegetation pattern, forest composition, and the fire regime have been altered. Maintaining ... -
Effects of harvest treatments on spruce budworm, Choristoneura fumiferana (Clem.) (lepidoptera: Tortricidae), dispersal within forest stands
(1996)Dispersal is a critical trait during the life history of the spruce budworm, Choristoneura fumiferana (Clem.), which leads to its widespread infestation and damage. Budworm dispersal study is of importance for protecting ... -
Effects of harvesting, prescribed burning and wildfire on soil chemical properties in Northwestern Ontario
(1997)Soil chemistry responses to disturbances were quantified and compared at two dates by sampling the organic, 0-5 cm and 5-10 mineral soil layers in a northwestern Ontario boreal mixedwood site. The disturbance treatments ...