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Forest Landscape Dynamics: a Semi-Markov Modeling Approach

Forest Landscape Dynamics: a Semi-Markov Modeling Approach

Date: August 1997
Creator: Ablan, Magdiel
Description: A transition model (MOSAIC) is used to describe forest dynamics at the landscape scale. The model uses a semi-Markov framework by considering transition probabilities and Erlang distributed holding times in each transition. Parameters for the transition model are derived from a gap model (ZELIG). This procedure ensures conceptual consistency of the landscape model with the fine scale ecological detail represented by the forest gap model. Spatial heterogeneity in the transition model is driven by maps of terrain with characteristics contained in a Geographic Information System (GIS) database. The results of the transition model simulations, percent cover forest type maps, are exported to grid-maps in the GIS. These cover type maps can be classified and used to describe forest dynamics using landscape statistics metrics. The linkage model-GIS enhances the transition model spatial analytical capabilities. A parameterization algorithm was developed that takes as input gap model tracer files which contain the percent occupation of each cover type through time. As output, the algorithm produces a file that contains the parameter values needed for MOSAIC for each one of the possible transitions. Parameters for the holding time distribution were found by calculating an empirical estimate of the cumulative probability function and using a ...
Contributing Partner: UNT Libraries
Forests and Emissions: A contribution to the Eliasch Review

Forests and Emissions: A contribution to the Eliasch Review

Date: July 9, 2008
Creator: Betts, Richard; Gornall, Jemma; Hughes, John; Kaye, Neil; McNeall, Doug & Wiltshire, Andy
Description: This report discusses the impacts of deforestation and reforestation on carbon emissions and carbon storage, and how change in land cover will affect future trends in climate change and carbon levels.
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Forever's Silent Song for Chamber Orchestra and Mezzo-Soprano

Forever's Silent Song for Chamber Orchestra and Mezzo-Soprano

Date: August 1986
Creator: Webb, Lisa A.
Description: None
Contributing Partner: UNT Libraries
Forgiveness and Loneliness: Stress and Anxiety’s Correlates in a Student and Clinical Hiv-positive Sample

Forgiveness and Loneliness: Stress and Anxiety’s Correlates in a Student and Clinical Hiv-positive Sample

Date: May 2012
Creator: Hill, Jonathan
Description: Persistent periods of stress exacerbate the symptoms of chronic illness. Additionally, loneliness is strongly correlated with stress and both state and trait anxiety. Prolonged periods of loneliness are linked with depression in both clinical and student samples. Forgiveness, a cognitive, emotional, and behavioral response to interpersonal or intrapersonal conflict, is important to social harmony. in this study I describe three studies that examine forgiveness, loneliness, stress, and anxiety in two populations, a student population and an HIV+ clinical population. Study 1 examined how the variables of forgiveness and loneliness are associated with perceived stress in a student sample of undergraduate students. Study 2 examined the same variables (forgiveness, loneliness, and perceived stress) in an HIV-positive clinical population. Finally, study 3 extends the model and examines the relationship of forgiveness and loneliness to variables related to stress, state and trait anxiety. for studies 2 and 3, 63 HIV-positive individuals participated in the cross-sectional correlational study. the data was analyzed in each study using hierarchical linear regression analysis. We also tested the models for the three studies to determine if forgiveness moderates the relationship between loneliness and state and trait anxiety. in study 1, using hierarchical linear regression analyses, I found that ...
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Forgiveness as the Focus Theme in Group Counseling

Forgiveness as the Focus Theme in Group Counseling

Date: December 1986
Creator: Schmidt, Mellis I. (Mellis Irene)
Description: This study reviewed the literature regarding forgiveness and developed a structured group counseling format with the theme of forgiveness. The purpose of the study was to determine the effect of forgiveness as used in group counseling upon depression, generalized anxiety, dogmatism, relationships, guilt, and forgiveness in the participants. Thirty subjects were selected to participate in one of three groups: an experimental group, a comparison treatment group, and a control group. The experimental group and the comparison treatment group participated in two-hour group sessions, once a week for ten weeks. The experimental group was didactic and experiential with the focus on forgiveness, whereas the comparison treatment group was problem solving using Redecision Therapy. All groups participated in pre and post test sessions. The seven hypotheses in this study were tested with a multivariate analysis of covariance as well as univariate analysis of covariance for each hypothesis. Significance in differences between means was tested at the .05 level of significance.
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Forgiving the Unforgivable: Forgiveness in the Context of Lgbt Partner Violence

Forgiving the Unforgivable: Forgiveness in the Context of Lgbt Partner Violence

Date: August 2015
Creator: Lopez, Eliot J.
Description: Intimate partner violence (IPV) in sexual and gender minority relationships is an underexplored and misunderstood phenomenon. Much of what has been investigated has explored IPV from a heterosexual lens, without taking into account the complexities of these relationship dynamics. Further, outcomes of IPV traditionally focus on negative sequelae, such as depression or anxiety. In this study, we examined the propensity to forgive partner abuse as a means of adaptively coping with the trauma. Further, we looked at resilience as a possible factor in the process of forgiveness. We hypothesized that psychological resilience significantly moderates the forgiveness process in sexual and gender minorities who have experienced IPV. Our sample of 77 gender- and sexual-minority participants completed measures of psychological and physical IPV, resilience, and forgiveness. A regression analysis found our model accounted for 36% of the variance in forgiveness of self (adj. R2=.36, F (4, 72) = 10.34, p < .01) and 20% of forgiveness of others (adj. R2=.20, F (4, 72) = 5.01, p < .01). However, there was no significant moderating effect, nor was IPV a significant contributor to forgiveness. Results suggest trauma does not influence one’s likelihood to forgive, though some personal trait, such as resilience, is more ...
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Forgotten Glory - Us Corps Cavalry in the ETO

Forgotten Glory - Us Corps Cavalry in the ETO

Access: Use of this item is restricted to the UNT Community.
Date: May 2014
Creator: Nance, William Stuart
Description: The American military experience in the European Theater of Operations during the Second World War is one of the most heavily documented topics in modern historiography. However, within this plethora of scholarship, very little has been written on the contributions of the American corps cavalry to the operational success of the Allied forces. The 13 mechanized cavalry groups deployed by the U.S. Army served in a variety of roles, conducting screens, counter-reconnaissance, as well as a number of other associated security missions for their parent corps and armies. Although unheralded, these groups made substantial and war-altering impacts for the U.S. Army.
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Form and Lyricism as Elements of Neo-Romanticism in Summer Music Op. 31 by Samuel Barber (1957) with three recitals of selected works by Bach, Mozart, Hindemith, Handel, Gaubert, and others

Form and Lyricism as Elements of Neo-Romanticism in Summer Music Op. 31 by Samuel Barber (1957) with three recitals of selected works by Bach, Mozart, Hindemith, Handel, Gaubert, and others

Date: December 2001
Creator: Grosklos, Hollie Jo
Description: The music of Samuel Barber is well known in the vocal, piano, and string literature; however, little of his chamber music involves woodwinds, and in particular, only one work involves the woodwind quintet. Summer Music, originally commissioned as a septet, developed after the premiere of the work into the woodwind quintet version, with the assistance of the New York Woodwind Quintet. Barber is considered a contemporary .romantic. composer, evidenced through his use of lyricism. Summer Music, a standard in the woodwind quintet literature, should be included in every professional flutist's repertoire. The intent of this dissertation is to consider Barber's use of lyricism as a determinant of the form of Summer Music, as well as to compare the differences between the manuscript and the published edition.
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Form and Pianistic Texture in the Operatic Fantasies Based on La Sonnambula and Der Freischütz of Franz Liszt and Julian Fontana: a Comparison of Compositional Approach

Form and Pianistic Texture in the Operatic Fantasies Based on La Sonnambula and Der Freischütz of Franz Liszt and Julian Fontana: a Comparison of Compositional Approach

Date: May 2014
Creator: Chung, Migeun
Description: This study examines and identifies the differences in compositional approach in the operatic fantasies based on Bellini’s La Sonnambula and Weber’s Der Freischütz by Franz Liszt and Julian Fontana. These four fantasies are placed in the context of musical conventions and audiences in the first half of the nineteenth century. The two operatic fantasies by Liszt that are included in this study are representative of reinterpretations that employ formal and textural features suitable for the concert repertoire of piano virtuosos. In contrast, the fantasies by Fontana are indicative of the potpourri style, and suitable both for amateur performance as well as for pedagogical use. The different functions and purposes of the operatic fantasies of Liszt and Fontana are compared and contrasted, with attention to each composer’s respective intended audiences as well as their distinct compositional intentions.
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Form and Rhythm in the Moerike Lieder of Hugo Wolf

Form and Rhythm in the Moerike Lieder of Hugo Wolf

Date: January 1965
Creator: Mayse, Marilyn
Description: None
Contributing Partner: UNT Libraries