No description available.

<p> Wetlands are a valuable resource, providing many ecosystem services, but unfortunately, coastal wetlands in the Great lakes are under threat from human development, including water quality impairment, introduction of exotic invasive species as well as physical damage such as dredging, draining, and filling in of wetland habitat. These actions have a negative impact on the native flora and fauna in wetlands, making wetland conservation and important topic. </p> <p> Wetland macrophytes play a vital role within wetlands, not only providing food for water fowl, migratory birds, fish, and mammals, but also providing the physical structure that is necessary for fish spawning, and they provide habitat for macroinvertebrates and zoobenthos. Different macrophyte species have been found to be associated with varying water quality conditions, and because of this wetland macrophytes are useful indicators of water quality conditions. I have developed a Wetland Macrophyte Index (WMI) using 127 wetlands throughout all five Great Lakes (Chapter 1 ), which relates plant species presence/absence data to water quality conditions, making it a useful indicator of fish habitat. The WMI was validated using historical data from two wetlands from before and after a remedial action plan was put in place and also it was successfully applied to two Canadian National Parks. </p> <p> Information on the presence/absence of wetland macrophytes can be a very important tool in wetland conservation, but, unfortunately, there is no standard method for sampling macrophytes. In the second chapter I will compare two common macrophyte sampling methods (grid and transect) to a novel method (stratified) in six wetlands (three pristine and three degraded). The stratified method has proven to be beneficial for determining the macrophyte biodiversity within a wetland because more species, more unique species, and more rare species were found with the stratified method compared to the grid and transect methods. </p> / Thesis / Master of Science (MSc)

Phragmites australis (Cav.) Trin. ex Steud., the invasive common reed, is a perennial grass with a cosmopolitan distribution. Unlike the native subspecies (Phragmites australis subsp. americanus) in North America, this invasive haplotype is an aggressive competitor and has firmly established itself throughout the Great Lakes basin by dominating wetlands and wet habitat, forcing out native plants and creating monocultures of little use to native fauna. Growing clonally and from seed, invasive Phragmites can quickly dominate wet areas throughout North America. It has also become a prominent feature in roadside habitats, where native plants are subject to increased disturbance under which invasive Phragmites will thrive competitively. In order to effectively manage this aggressive invader, we must be able to accurately map its distribution at multiple spatial scales, understand its invasion ecology, and determine efficacy of current removal efforts. In this thesis, I evaluated multiple remote sensing methods to determine the extent of invasive Phragmites. The basin-wide wetland mapping project based on satellite image data was a collaborative effort between U.S. and Canadian scientists to document the current and potential distribution of invasive Phragmites throughout 10-km of the shoreline of the Great Lakes, including all coastal marshes. To elucidate its distribution through road networks, I used provincial orthophotography databases to map changes in the distribution of Phragmites in road corridors between 2006 and 2010. Based on these data, I created a conceptual model to show the relationships among the main factors that govern the establishment of invasive Phragmites in roadsides within Ontario. These factors included habitat quality, habitat availability, and propagule dispersal. I also showed how unmanned aerial vehicles can be used with very high accuracy to map the distribution of very small stands of Phragmites at the beginning of an invasion, and to determine short-term changes in habitat availability in smaller wetlands. Using various remote sensing approaches, I was able to determine the efficacy of treatment programs implemented by provincial agencies on roadway corridors at the scale of the entire southwestern, southcentral and central regions of Ontario. This is the first quantitative evidence of invasive Phragmites removal along roads and one of the largest spatial and temporal time scales used to evaluate these processes. Finally, I synthesized the capabilities and limitations of these remote sensing methods to create an evaluative framework that outlines how to best map invasive Phragmites across varying landscapes. This research integrates geography and biology to create novel mapping techniques for invasive Phragmites and has furthered our understanding of this aggressive plant and how its invasion can be controlled. / Thesis / Doctor of Philosophy (PhD) / Invasive common reed, Phragmites australis subsp. australis, is one of the most aggressive and problematic invasive species in North America. This species rapidly expanded in the late 1900s and now occupies large patches of our critical wetland habitats as monocultures, especially in the northeastern states and the Great Lakes basin. My thesis presents new methods to identify where invasive common reed is present at a landscape level so that it can be targeted for large-scale control and removal. With colleagues in Michigan we created the first basin-wide map of invasive common reed for the Great Lakes region using satellite image data. Within Ontario, I used imagery from satellites and planes to determine the extent of invasive common reed along our road networks. At a site-specific scale, I used drones or unmanned aerial vehicles to map a protected wetland with high precision and accuracy. I used many of these approaches in combination to determine how effective current invasive common reed removal efforts are along roadway corridors. I compare all of these mapping processes and techniques to showcase the strengths and weaknesses of each approach and to help managers decide which approach is most suitable for their unique case. With all of these data, I have created new mapping techniques that can show the rapid spread of invasive common reed and how effective current management plans have been in combatting this aggressive invader.

Yes / The human- and animal-adapted lineages of the Mycobacterium tuberculosis complex (MTBC) are thought to have expanded from a common progenitor in Africa. However, the molecular events that accompanied this emergence remain largely unknown. Here, we describe two MTBC strains isolated from patients with multidrug resistant tuberculosis, representing an as-yet-unknown lineage, named Lineage 8 (L8), seemingly restricted to the African Great Lakes region. Using genome-based phylogenetic reconstruction, we show that L8 is a sister clade to the known MTBC lineages. Comparison with other complete mycobacterial genomes indicate that the divergence of L8 preceded the loss of the cobF genome region - involved in the cobalamin/vitamin B12 synthesis - and gene interruptions in a subsequent common ancestor shared by all other known MTBC lineages. This discovery further supports an East African origin for the MTBC and provides additional molecular clues on the ancestral genome reduction associated with adaptation to a pathogenic lifestyle. / This work was supported by EDCTP2 grant DRIA2014-326—DIAMA of the European Union, the Belgian General Directorate for Development Cooperation (PhD fellowship to J.C.S.N.), Grant ANR-16-CE35-0009 from Agence Nationale de la Recherche, the Swiss National Science Foundation (Grants 310030_188888, IZRJZ3_164171, IZLSZ3_170834 and CRSII5_177163), and the European Research Council (309540-EVODRTB). The views and opinions of authors expressed herein do not necessarily state or reflect those of EDCTP. The funders had no role in study design, data collection and analysis, decision to publish or preparation of the manuscript.

Practical theology has society as its horizon and should not be limited to a clerical paradigm because Christianity is not limited to a church but its horizon is the whole of society. In line with this understanding of practical theology, this study is a contribution to Christian education for a culture of peace in the Great Lakes region (the DRC, Rwanda and Burundi). Millions of people have been slaughtered in this region where Christianity is the main religion. The Church in this region has lost its credibility and is seen as contributing to a culture of violence through its church leaders and parishioners. This study focuses on the research question: Can teaching twofold love contribute to a culture of peace in the Great Lakes region? The thesis has empirically argued that the cause of turmoil in the Great Lakes region is the lack of twofold love, which has disguised itself in all evils known in the region, such as corruption, hegemony, predation, indirect rule, divide and rule, tribalism, fetishism, mass killings, prostitution, over-trust in modernism and breaking God's Ten Commandments, more than anything else. Humankind finds it difficult to love the neighbour like oneself and this lack of neighbourly love causes unrest in this region. The discussion in chapter three has empirically demonstrated through educational psychology that teaching is love of the learner. Therefore, an effective teacher should be able to give loving care to the learner's spiritual, physical and social needs, in a specific context. This is what Jesus did through verbal and behavioural media (Byrskog, 1994: 321). Such a liberationist teaching that should avoid pouring socially irrelevant knowledge on the learner is still an urgent need in the Great Lakes region. Christian education in this region has been learnt in a rote manner without educating Christians to be problem solvers. The fourth chapter makes practical suggestions on how to deal with the dilemmas of teaching Christian education in the region. Thus the study has empirically confirmed the research hypothesis that an effective teaching of twofold love can contribute to a culture of peace in the Great Lakes region. / Practical Theology / D. Th. (Practical Theology)

Practical theology has society as its horizon and should not be limited to a clerical paradigm because Christianity is not limited to a church but its horizon is the whole of society. In line with this understanding of practical theology, this study is a contribution to Christian education for a culture of peace in the Great Lakes region (the DRC, Rwanda and Burundi). Millions of people have been slaughtered in this region where Christianity is the main religion. The Church in this region has lost its credibility and is seen as contributing to a culture of violence through its church leaders and parishioners. This study focuses on the research question: Can teaching twofold love contribute to a culture of peace in the Great Lakes region? The thesis has empirically argued that the cause of turmoil in the Great Lakes region is the lack of twofold love, which has disguised itself in all evils known in the region, such as corruption, hegemony, predation, indirect rule, divide and rule, tribalism, fetishism, mass killings, prostitution, over-trust in modernism and breaking God's Ten Commandments, more than anything else. Humankind finds it difficult to love the neighbour like oneself and this lack of neighbourly love causes unrest in this region. The discussion in chapter three has empirically demonstrated through educational psychology that teaching is love of the learner. Therefore, an effective teacher should be able to give loving care to the learner's spiritual, physical and social needs, in a specific context. This is what Jesus did through verbal and behavioural media (Byrskog, 1994: 321). Such a liberationist teaching that should avoid pouring socially irrelevant knowledge on the learner is still an urgent need in the Great Lakes region. Christian education in this region has been learnt in a rote manner without educating Christians to be problem solvers. The fourth chapter makes practical suggestions on how to deal with the dilemmas of teaching Christian education in the region. Thus the study has empirically confirmed the research hypothesis that an effective teaching of twofold love can contribute to a culture of peace in the Great Lakes region. / Philosophy, Practical and Systematic Theology / D. Th. (Practical Theology)

No description available.

One tool of the economic planner is Benefit Cost Analysis (BCA). This model's accuracy in describing human behavior has been criticized, particularly for uncertain and intertemporal choices. To the extent this holds, the model will be inaccurate in assessing benefits of shoreline protection measures and will provide reduced insight into policy choices. From a review of economic, psychology and geography literature, three points of criticism are: - when faced with losses, individuals tend not to be averse to risk, - when faced with low probability hazards, individuals tend to ignore the hazard altogether (truncate low probability), - when faced with choices over time, individuals have different rates at which they trade off benefits now versus later. Typically, applications of BCA do not account for these observations. The main objective of the study was to determine whether these criticisms are supported, and to draw conclusions regarding government policy for the flooding and erosion hazards on the Lakes. A Benefit Cost model was formulated to describe the individual shoreline property owner's behavior with respect to undertaking structural measures to mitigate flooding and/or erosion. To test the model, property owners on Lakes Erie, Ontario and Michigan were surveyed by mail. Experimental questions, focussing on the intertemporal and uncertain nature of the hazard protection choice were developed. The econometric analysis suggested that: - individuals varied in their time preference rate, - the probability of low chance events was truncated by many respondents, - on average respondents were not risk averse, and - the above phenomena helped explain the choice to take protective action. Using a market rate for discounting in the BCA can provide inaccurate benefit estimates. Observed time preference rates may provide a better measure. Subsidized hazard insurance has been suggested to encourage self protection. Disregard for low probabilities, coupled with a lack of risk aversion, suggest such a program would not be successful. Subsidized loans for shore protection may be unsuccessful. Many people displayed a time preference rate above the market loan rate, yet they did not borrow. Information programs may be useful in promoting a better understanding of the hazards which may be faced by residents. / Ph. D.

<p>Currently, one of the most dramatic threats to human security is constituted by internal armed conflicts. In 1998, violent conflicts took place in at least 25 countries. Of these armed conflicts, 23 were internal, engaging one or more non-State armed groups. A crucial feature of internal conflicts is the widespread violation of humanitarian law and human rights by armed groups, from rebel groups to private militias. This thesis aimed at identifying various ways of promoting a better implementation of the Geneva Conventions and its Protocols by NSAGs in the Great Lakes Region.</p>

<em>Cladophora glomerata</em> is a filamentous green alga that currently forms extensive blooms in nearshore areas of Lake Ontario, eastern Lake Erie, Lake Michigan, and isolated locations in Lake Huron. The biomass, areal coverage, algal bed characteristics, and tissue phosphorus concentrations of <em>Cladophora glomerata</em> were measured at 24 nearshore rocky sites along the northern shoreline of Lake Erie?s eastern basin between 1995-2002. Midsummer areal coverage at shallow depths (&le;5m) ranged from 4-100 %, with a median value of 96%. Peak seasonal biomass ranged from <1 to 940 g m^-2 dry mass (DM), with a median value of 171 g m^-2 DM. Tissue phosphorus varied seasonally, with initial high values in early May (0. 15 to 0. 27 % DM; median 0. 23 % DM) to midsummer seasonal low values during peak biomass (0. 03 to 0. 23 % DM; median 0. 06 % DM). A numerical <em>Cladophora</em> growth model (CGM) was revised and field-tested at 5 sites in eastern Lake Erie during 2002. The CGM is useful for: 1) Predicting <em>Cladophora</em> growth, biomass, and tissue phosphorus concentrations under non-point source P loading with no depth restrictions; 2) providing estimates of the timing and magnitude of the midsummer sloughing phenomenon; 3) determining the contribution of <em>Dreissena</em> invasion to the resurgence of <em>Cladophora</em> in eastern Lake Erie; and 4) developing management strategies for <em>Cladophora</em> abatement. The CGM was applied to investigate how the spatial and temporal patterns of <em>Cladophora</em> growth were influenced by the natural variability in environmental parameters in eastern Lake Erie. Seasonal patterns in <em>Cladophora</em> growth were strongly influenced by temperature, and peak depth-integrated biomass was strongly influenced by both available light and phosphorus. The photosynthetic capacity of field collected <em>Cladophora</em> was a poor predictor of the mid-summer sloughing phenomenon. The CGM, however, predicted that self-shading within the dense <em>Cladophora</em> mats would have caused negative growth rates at the base of the dense mats for 14 days prior to the sloughing event. The metabolic imbalances at the base of the <em>Cladophora</em> mats were driven primarily by the availability of light and were exacerbated by intermediate water temperatures (~23??C). The excellent agreement between model simulations and field data illustrates the ability of the CGM to predict tissue P and growth over a range of sites and depths in eastern Lake Erie and suggests potential for the model to be successfully applied in other systems.