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46 Matching Results
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Migration Tracking, Survival, and Pairing Behavior of American Kestrels Wintering in North Central Texas
The American Kestrel (Falco sparverius) is the smallest and most abundant falcon in North America with a wide geographic range. Unfortunately, surveys have suggested that some kestrel populations have been in decline since the 1950s, though the nominal causes of this decline are unknown. Migratory movement patterns and connectivity have yet to be established for any population of migratory kestrels. In Chapter 2, I investigated methods for attaching migration trackers to kestrels. Specifically, I showed that leg-loop style harnesses may have negatively affected return rates whereas backpack harnesses did not. Based on these results, I recommend that backpack-style Teflon harnesses is the safest and most effective method for attaching tracking devices to small raptors. In Chapter 3, I quantified survivorship for kestrels wintering in north Texas to identify the timing of kestrel mortality. Notably, I found that juvenile kestrels had similar annual survival rates as adults (81.6% versus 79.5%). High overwintering survival in north Texas indicated that once kestrels arrived on their wintering grounds, they were highly likely to survive to spring migration. In Chapter 4, I investigated pairing behaviors previously undocumented in wintering kestrels. I found that winter pairing was relatively common, but more prevalent in urban environments than …
Date:
December 2022
Creator:
Biles, Kelsey S
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The North Texan, Volume 73, Number 2, Fall 2022
The North Texan includes articles and notes about University of North Texas students, faculty, and alumni activities.
Date:
September 2022
Creator:
University of North Texas. Division of University Brand Strategy and Communications.
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library
A polar insect's tale: Observations on the life cycle of Parochlus steinenii, the only winged midge native to Antarctica
Article asserts that Antarctica and the sub-Antarctic islands include some of the world’s most extreme and pristine terrestrial habitats. The authors studied the habitat preferences and the life history of P. steinenii in Lake Kitiesh, Fildes Peninsula, King George Island over the austral summer seasons from 2014 to 2019, during short (several weeks) field expeditions.
Date:
December 24, 2022
Creator:
Mejias, Tamara Contador; Gañán, Melisa; Rendoll Cárcamo, Javier; Maturana, Claudia S.; Benítez, Hugo A.; Kennedy, James H. et al.
Object Type:
Article
System:
The UNT Digital Library
Object-Oriented Canopy Gap Extraction from UAV Images Based on Edge Enhancement
Article describes the efficient and accurate identification of canopy gaps is the basis of forest ecosystem research, which is of great significance to further forest monitoring and management. One major limitation of the traditional methods of remote sensing to map canopy gaps is that they cannot finely extract the complex edges of canopy gaps in mountainous areas. The authors proposed an object-oriented classification method that integrates multi-source information.
Date:
September 23, 2022
Creator:
Xia, Jisheng; Wang, Yutong; Dong, Pinliang; He, Shijun; Zhao, Fei & Luan, Guize
Object Type:
Article
System:
The UNT Digital Library
agroString: Visibility and Provenance through a Private Blockchain Platform for Agricultural Dispense towards Consumers
Article discusses the large quantities of farm and meat products that rot and are wasted if correct actions are not taken leading to serious health concerns if consumed. Because there is no proper system for tracking and communicating the status of goods to consumers, a right which according to the authors should be a given, they propose a method of increased communication using Corda private blockchain.
Date:
October 27, 2022
Creator:
Vangipuram, Sukrutha L. T.; Mohanty, Saraju P.; Kougianos, Elias & Ray, Chittaranjan
Object Type:
Article
System:
The UNT Digital Library
The Shadow Effect on Surface Biophysical Variables Derived from Remote Sensing: A Review
Article states that the main objective of this study was to review the recent literature on the shadow effect in remote sensing. An overview of the proposed methods for identifying and removing the shadow effect is presented.
Date:
November 12, 2022
Creator:
Alavipanah, Seyed Kazem; Firozjaei, Mohammad Karimi; Sedighi, Amir; Fathololoumi, Solmaz; Naghadehi, Saeid Zare; Saleh, Samiraalsadat et al.
Object Type:
Article
System:
The UNT Digital Library
HETAG, Number 54, February 2022
Monthly newsletter of the Houston Earlier Texas Art Group discussing the news and events of the organization, as well as other information of interest to members.
Date:
February 2022
Creator:
Houston Earlier Texas Art Group
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
The Death and Life of Great American Malls: (Un)Spectacular Creative Destructions, Luxury Mixed-Use Developments, and Gentrification in Dallas-Fort Worth
Mall after mall was built in American cities, exhaustively emulated by developers often working in concert with civic governments. In service of capital, neoliberal urban governance engages in the risky subsidization of spatio-spectacle production, working together with private business entities to bolster tax revenue and aid in private capital accumulation. The extensive replication of malls in close geographic proximity to one another across the American landscape, erected through the neoliberal partnerships of civic governments and private business interests, has greatly contributed to mall decline and mall death. There is now, however, a new spatio-spectacle that has arisen to take the place of the "great American shopping mall"—the luxury mixed-use development. These luxury mixed-use projects have been adopted as a new trend within urban development following the reality of sweeping mall decline and are proliferating across the (sub)urban landscape. Luxury mixed-use developments, I argue, are merely a continuation of late capitalism's problematic spectacle fetish. Moreover, this process is revealed to be inextricably entangled with gentrification, driven by cities' neoliberal desires to become/maintain status as global, "world-class" cities, performed through the spatialized ideology of neoliberal multiculturalism.
Date:
May 2022
Creator:
Kirk, Richard L.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Texas Agriculture, Volume 38, Number 6, December 2022
Monthly magazine issued by the Texas Farm Bureau for farmers and ranchers discussing current news and issues in agriculture.
Date:
December 2, 2022
Creator:
Texas Farm Bureau
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Texas Inland Fisheries Division Annual Report: 2021
Annual report of the Texas Inland Fisheries Division describing goals, activities, and accomplishments during fiscal year 2021.
Date:
March 2022
Creator:
Texas. Inland Fisheries Division.
Object Type:
Report
System:
The Portal to Texas History
The Colony Courier-Leader (The Colony, Tex.), Vol. 42, No. 16, Ed. 1 Sunday, May 22, 2022
Weekly newspaper from The Colony, Texas that includes local, state, and national news along with advertising.
Date:
May 22, 2022
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Environmental filtering of macroinvertebrate traits influences ecosystem functioning in a large river floodplain
Article describes how the biodiversity–ecosystem function hypothesis postulates that higher biodiversity is correlated with faster ecosystem process rates and increased ecosystem stability in fluctuating environments. The authors examined linkages among floodplain wetland habitats, invertebrate communities and their associated traits, and ecosystem function across 60 sites within the floodplain wetlands of the lower Wolastoq, Saint John River, New Brunswick.
Date:
August 20, 2022
Creator:
Rideout, Natalie K.; Compson, Zacchaeus Greg; Monk, Wendy A.; Brunce, Meghann R.; Hajibabaei, Mehrdad; Porter, Teresita M. et al.
Object Type:
Article
System:
The UNT Digital Library
Legacies: A History Journal for Dallas and North Central Texas, Volume 34, Number 2, Fall 2022
Biannual publication "devoted to the rich history of Dallas and North Central Texas" as a way to "examine the many historical legacies--social, ethnic, cultural, political--which have shaped the modern city of Dallas and the region around it." The theme of this issue is "Cultural Expressions."
Date:
Autumn 2022
Creator:
Dallas Historical Society
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Mediterranean Spur-Thighed Tortoises (Testudo graeca) Have Optimal Speeds at Which They Can Minimise the Metabolic Cost of Transport, on a Treadmill
Article experimentally quantifies the metabolic cost of transport in Mediterranean spur-thighed tortoises walking on a treadmill while also quantifying the kinematics of their movement. Results found that tortoises move more efficiently than predicted and presents the first data demonstrating a curvilinear cost of transport over their speed range. The authors conclude that tortoises have an optimum speed at which they move to minimise their metabolic cost of locomotion.
Date:
July 13, 2022
Creator:
Ewart, Heather; Tickle, Peter; Nudds, Robert; Sellers, William; Crossley, Dane A., II & Codd, Jonathan
Object Type:
Article
System:
The UNT Digital Library
College of Music Program Book 2021-2022: Ensemble & Other Performances, Volume 1
Ensemble performances program book from the 2021-2022 school year at the University of North Texas College of Music.
Date:
2022
Creator:
University of North Texas. College of Music.
Object Type:
Book
System:
The UNT Digital Library
A review of diversity of bees, the attractiveness of host plants and the effects of landscape variables on bees in urban gardens
Article exploring the ecology of pollinating bees in urban gardens and farms.
Date:
January 16, 2022
Creator:
Rahimi, Ehsan; Barghjelveh, Shahindokht & Dong, Pinliang
Object Type:
Article
System:
The UNT Digital Library
Urban Expansion Monitoring Based on the Digital Surface Model—A Case Study of the Beijing–Tianjin–Hebei Plain
This article presents a study of urban expansion in the Beijing–Tianjin–Hebei plain based on ALOS Global Digital Surface Model “ALOS World 3D-30 m” (AW3D30 DSM), Shuttle Radar Topography Mission (SRTM) DSM, and Landsat 7 ETM+ images. The method proposed in this paper can provide rapid and large-scale statistics to study urban construction expansion in the world.
Date:
May 24, 2022
Creator:
Wang, Yanping; Dong, Pinliang; Liao, Shunbao; Zhu, Yueqin; Zhang, Da & Yin, Na
Object Type:
Article
System:
The UNT Digital Library
Soil Erosion Vulnerability Mapping in Selected Rural Communities of uThukela Catchment, South Africa, Using the Analytic Hierarchy Process
Article presents a study (i) assessing and modeling soil erosion vulnerability based on the Analytic Hierarchy Process (AHP) approach in Hoffenthal and KwaMaye communities within the uThukela Catchment, South Africa; and (ii) identifying the relevant sustainable interventions and remedial strategies to combat soil erosion in the study area.
Date:
May 13, 2022
Creator:
Ebhuoma, Osadolor; Gebreslasie, Michael; Ngetar, Njoya Silas; Phinzi, Kwanele & Bhattacharjee, Shwarnali
Object Type:
Article
System:
The UNT Digital Library
The Schulenburg Sticker (Schulenburg, Tex.), Vol. 128, No. 25, Ed. 1 Thursday, January 27, 2022
Weekly newspaper from Schulenburg, Texas that includes local, state, and national news along with advertising.
Date:
January 27, 2022
Creator:
Prause, Diane & Vyvjala, Darrell
Object Type:
Newspaper
System:
The Portal to Texas History
The Subantarctic Rayadito (Aphrastura subantarctica), a new bird species on the southernmost islands of the Americas
Article describes a new taxon of terrestrial bird of the genus Aphrastura (rayaditos) inhabiting the Diego Ramírez Archipelago, the southernmost point of the American continent. The authors state that the discovery of this endemic passerine highlights the need to monitor and conserve this still-pristine archipelago devoid of exotic species, which is now protected by the recently created Diego Ramírez Islands-Drake Passage Marine Park.
Date:
August 26, 2022
Creator:
Rozzi, Ricardo, 1960-; Quilodrán, Claudio S.; Botero-Delgadillo, Esteban; Napolitano, Constanza; Torres-Mura, Juan C.; Barroso, Omar et al.
Object Type:
Article
System:
The UNT Digital Library
Texas Agriculture, Volume 38, Number 1, July 2022
Monthly magazine issued by the Texas Farm Bureau for farmers and ranchers discussing current news and issues in agriculture.
Date:
July 1, 2022
Creator:
Texas Farm Bureau
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Texas Parks & Wildlife, Volume 80, Number 10, December 2022
Magazine discussing natural resources, parks, hunting and fishing, and other information related to the outdoors in Texas.
Date:
December 2022
Creator:
Texas. Parks and Wildlife Department.
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Goering's Boys in Blue: The Luftwaffe Field Divisions, 1942-1945
The Luftwaffe Field Divisions have remained on the periphery of World War II historiography for over seventy years, overshadowed by the myth of German military excellence during the conflict. The Heer is still known for lightning-quick attacks, brutal firepower, ably trained soldiers, and formidable success on the battlefield; an army of almost faceless, remorseless pain that grimly and efficiently faced down the Allies until the very end. Only recently, flaws have begun opening in this pristine picture as historians have examined how quickly the quality of the German army deteriorated from 1942-onward. Despite the vast landscape of scholarship on the war and the recent historical analysis of the weaknesses the Germans suffered, serious study on the creation and management of the Luftwaffe Field Divisions has been sparse. What has been written about them since 1945 has done little to offer a full picture of the units, their creation, or their significance to the German war effort. The purpose of this study was to fulfill this need by answering the necessary questions about the divisions, provide a complete history of the units, and place the LwFDs properly within the historiography of the Second World War.
Date:
May 2022
Creator:
Stout, Michael John
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Comparing Methods of Defining Priority Areas for Greater Sage-Grouse
Article comparing priority areas for wildlife species using different methods and data types. The authors used resource selection function (RSF) models to predict high priority areas and compared this to priority areas developed using two alternative methods: (1) modified conservation buffer, and (2) utilization distribution (UD) models.
Date:
July 7, 2022
Creator:
Parsons, Lindsey; Jenks, Jonathan; Runia, Travis & Gregory, Andrew
Object Type:
Article
System:
The UNT Digital Library