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A Comparison of Predicted and Actual Trophic Status of Lake Ray Roberts, Texas Based on Chlorophyll A

Description: Two years before impoundment, the trophic status of Lake Ray Roberts was predicted by applying the total phosphorus input into the Organization for Economic Cooperation and Development (OECD) eutrophication model. Predicted mean summer epilimnetic (MSE) chlorophyll a of Elm Fork arm, Isle duBois arm and Main Body were in the eutrophic category of the OECD model. Observed MSE chlorophyll a two years after impoundment of Elm Fork arm, Isle duBois and Main Body had not reached their predicted mean… more
Date: May 1999
Creator: Lytle, Lili Lisa
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

A Comparison of Points Versus Sounds as Reinforces in Human Operant Research

Description: Research shows that human operant behavior typically differs from non-human operant behavior on schedules of reinforcement. These differences in performance may be related to differences between the experimental preparations used to study human and non-human operant behavior. One such difference is the type of reinforcer used. This experiment analyzed the differential effects of points alone, points backed up by money, and sounds on schedule performance of human subjects. Results show that soun… more
Date: August 1999
Creator: Rouse, Susan L.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

An Assessment of the Use of Seeding, Mowing, and Burning in the Restoration of an Oldfield to Tallgrass Prairie in Lewisville, Texas

Description: An examination of the effectiveness of seeding, burning, and mowing in the reestablishment of tallgrass prairie species on overgrazed and abandoned pastureland. The study site is a 20 acre tract on U.S. Corps of Engineers land below Lake Lewisville in Denton County, Texas. The site was partitioned into thirty-nine 40 by 40 meter plots with seeding (carried out in 1996) and management treatment (burning, mowing, and no maintenance carried out in 1998) randomly applied following a two level desig… more
Date: August 1999
Creator: Windhager, Steven
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

[Clipping: Center for Cultural Diversity gets new name, management]

Description: Newspaper clipping, "Center for Cultural Diversity gets new name, management," by Sarah Broom for the North Texas Daily, published Wednesday, September 8, 1999. The article is in regards to North Texas Center for Cultural Diversity getting a new name, office location and new management - The Student Ethnic Enrichment Center.
Date: September 8, 1999
Creator: Broom, Sarah
Item Type: Refine your search to only Clipping
Location: 33.207488 -97.152586
Partner: UNT Libraries Special Collections
open access

Adjustment of Kindergarten Children through Play Sessions Facilitated by Fifth Grade Students Trained in Child-Centered Play Therapy Procedures and Skills

Description: This research study investigated the effectiveness of the application of child-centered play therapy procedures and skills by trained fifth grade students in play sessions with kindergarten children who had adjustment difficulties. Specifically, this research determined if play sessions with trained fifth grade students facilitated change in kindergarten children's self concept, internalizing behavior, and externalizing behavior and their parents' stress level.
Date: May 1999
Creator: Baggerly, Jennifer N. (Jennifer Nalini)
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

Faculty Identification: Effects on Culture in a Metropolitan Research University

Description: This utilized identification theory to determine if faculty identify with the university and recognize its mission. The study also explored how faculty differentiate between a traditional university and a metropolitan research university. Finally, the study explored whether the faculty consider the University of North Texas to be a Metropolitan Research University. UNT full-time faculty members (N=224) completed questionnaires to indicate their identification with the university and their recog… more
Date: May 1999
Creator: Gray, Marlene E.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

The Effects of Organic Surface Amendments on Soil Nutrients and Initial Tree Establishment

Description: This study examined the effects of replicating woodland soil surface horizonation on the nutrient status of underlying soils and the initial establishment and growth of trees. A total of 283 container grown trees were planted in a bufferzone around a future landfill site. Control amendments consisted of an 8 cm layer (0.5 m3) of wood chips applied in a circular area of 4.6 m2 around the trees' planting pit. For the treatment, a 2.5 cm layer of composted biosolids (0.15 m3 or 80 Mg/ha) was appli… more
Date: May 1999
Creator: Thuesen, Kevin (Kevin Andrew)
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
captions transcript

[News Clip: Yogurt-RXN]

Description: Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: October 7, 1999, 10:00 p.m.
Duration: 58 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Video
Partner: UNT Libraries Special Collections
captions transcript

[News Clip: Yogurt Murders]

Description: Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: October 6, 1999, 10:00 p.m.
Duration: 2 minutes 03 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Video
Partner: UNT Libraries Special Collections
open access

before I wake: a story

Description: This chapbook commemorates a reading given by Helen Leath on December 1, 1999, in the Rare Book Room of the University of North Texas Library. The reading was the second presentation of Short fiction writers, a series sponsored by the Friends of the University of North Texas Libraries and co-sponsored by the UNT Department of English. This edition of four hundred signed/numbered copies and is made possible by a generous grant from the Friends of the University of North Texas Libraries. Rare Boo… more
Date: 1999
Creator: Leath, Helen
Item Type: Refine your search to only Book
Partner: UNT Libraries Special Collections
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