阿根廷vs墨西哥竞猜 knowledge commons: recent submissions
now showing items 821-840 of 3668
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chronic student absenteeism
(2019)chronic student absenteeism, defined as a student missing 10% or more of the school year, is a significant issue for educators. this portfolio is a practical resource guide for school administrators seeking to reduce ... -
how does aquatic invertebrate community structure and abundance relate to brook trout (salvelinus fontinalis) habitat quality?
(2019)sixty-seven streams located south-west of lake nipigon, ontario, were sampled for brook trout and macroinvertebrate orders. sixteen orders were used to determine if their community structure significantly changed in different ... -
urban food forestry (uff), its role in canadian urban forestry management plans, and integration into thunder bay, ontario
(2019)urban food forests are perennial polycultures of fruit or nut-producing tree species that mimic a natural ecosystem. the concept of urban food forestry within small grassroots campaigns and initiatives is not a new one, ... -
investigating the potential for hazard tree identification using thermal imagery from the dji mavic 2 enterprise dual
(2019)the mavic 2 enterprise dual was recently released by dji in december of 2018. it is a small compact device with enormous potential for field work in a variety of industries, one of which has been investigated in this ... -
canadian forestry professionals’ perceptions of forest management and climate change
(2019)gauging the perception of current and future professionals in the canadian forestry sector is crucial to understanding how forests are managed in the thought of climate change. the aim of the study was to quantify how the ... -
forest road location modelling with dijkstra’s shortest path and arcgis
(2019)road network modelling has great potential to reduce forest road construction and planning costs. forest roads are the essential means to access forest resources and are one of the most expensive factors in forest ... -
effects of environmental factors on seed germination
(2019)detailed understanding of the environmental conditions required for the germination and growth of tree seeds is an important prerequisite for the formulation of comprehensive and sustainable forest development strategies, ... -
a partial review of electricity distribution reliability based vegetation management in north america
(2019)in recent years, utility vegetation management planners have incorporated a new framework into planning regimes: reliability based vegetation management. this report examines the vegetation management standards of forty ... -
recent expansion of black-legged ticks, ixodes scapularis, into the thunder bay region: implications and putative role of climate change
(2019)the distribution of ixodes scapularis is increasing in ontario, thereby increasing the risk of contracting lyme disease. climate change is a likely factor in the northward expansion of i. scapularis populations. here, i ... -
lichen detectability under varying canopy closure
(2019)monitoring lichen distribution is of increasing concern as mapping is critical in characterizing habitat for woodland caribou. aerial photography collected using drones, the method used for this study, is a common method ... -
a script for the automatic delineation of canopy gaps from raster images and incorporation of analysis with ontario’s fri datasets
(2019)this thesis project serves as a tool for resource managers looking to delineate gaps in the forest canopy, where a canopy height model raster is available. once identified, analysis is performed in order to assess the ... -
differences in dung beetle (coleoptera: scarabaeinae) assemblages in different habitat types and habitat patches within the verde sumaco forest, ecuador
(2019)scarabaeinae, the dung-eating beetle subfamily, comprises keystone species that perform a host of ecological functions. they are easily surveyed and respond to habitat change, making them suitable indicators of effects of ... -
impacts of different harvesting methods on forest environment
(2019)harvesting methods are an important component of forestry management. determining the impact of harvesting methods on forest environment can help us to do it more efficiently. in this paper, the methods, impact and intensive ... -
a comparison of the quality of hayfield and pasture soils on a northwestern ontario farm
(2019)this thesis examines aspects of soil quality between a hayfield and pasture site on a farm in northwestern ontario. soil compaction, ph, and carbon were the main aspects looked at between the two sites. the purpose of this ... -
literature review of aquatic invasive species management in the great lakes region
(2019)invasive species are foreign organisms which out-compete and take over new landscapes and are ranked as one of the most destructive forms of habitat degradation (mccormick et al. 2009). aquatic invasive species specifically ... -
the effects of nanosilver on northern pike
(2018)nanosilver (nag) is an effective anti-microbial agent that is being increasingly used in consumer products. with such an expansive list of products incorporating nag, the risk of environmental release is high. studies ... -
a framework for assessing skills training programs for building indigenous capacity in natural resource development
(2019)indigenous participation in natural resource development has become an integral part of the advancement of major projects both in ontario and across canada. this participation until the most recent decades was limited by ... -
winter home range sizes of female woodland caribou in the boreal forest of northwestern ontario
(2019)woodland caribou (rangifer tarandus caribou gmelin) are listed as “threatened” under the canadian species at risk act. fourteen ranges occur within the continuous distribution of caribou in ontario and have been studied ... -
estimating tanager densities in chakra agroforests in relation to plant species diversity and area of chakra
(2019)chakra agroforests in the community of verde sumaco, ecuador were surveyed to estimate tanager densities. distance sampling using transects was the methodology used to record presence of tanager species. using the data ... -
the restoration projects in thunder bay and further development
(2019)ecological restoration is the scientific study and process that restore the ecosystem’s functions and services by field study and planning in order to enhance the value of the ecosystem and sites return to society. the ...