Digital Commons Network^™

Life In A Fishbowl: Space And Environmental Enrichment Affect Behaviour Of Betta Splendens, Ronald G. Oldfield, Emily K. Murphy

Faculty Scholarship

The public has expressed growing concern for the well-being of fishes, including popular pet species such as the Siamese fighting fish (Betta splendens). In captivity, male Bettas behave aggressively, often causing injuries and death if housed together. As a result, they are typically isolated in small fishbowls, which has been widely criticised as cruel. To investigate the impact of keeping Bettas in these conditions, we recorded the behaviour of individual males in containers of different sizes that were either bare or enriched with gravel, large rocks, and live plants. When male Bettas were housed individually in small bowls (0.5 L) …

Novel Pan-Err Agonists Ameliorate Heart Failure Through Enhancing Cardiac Fatty Acid Metabolism And Mitochondrial Function, Weiyi Xu, Cyrielle Billon, Hui Li, Andrea Wilderman, Lei Qi, Andrea Graves, Jernie Rae Dela Cruz Rideb, Yuanbiao Zhao, Matthew Hayes, Keyang Yu, Mckenna Losby, Carissa S Hampton, Christiana M Adeyemi, Seok Jae Hong, Eleni Nasiotis, Chen Fu, Tae Gyu Oh, Weiwei Fan, Michael Downes, Ryan D Welch, Ronald M Evans, Aleksandar Milosavljevic, John K Walker, Brian C Jensen, Liming Pei, Thomas Burris, Lilei Zhang

Faculty, Staff and Students Publications

BACKGROUND: Cardiac metabolic dysfunction is a hallmark of heart failure (HF). Estrogen-related receptors ERRα and ERRγ are essential regulators of cardiac metabolism. Therefore, activation of ERR could be a potential therapeutic intervention for HF. However, in vivo studies demonstrating the potential usefulness of ERR agonist for HF treatment are lacking, because compounds with pharmacokinetics appropriate for in vivo use have not been available.

METHODS: Using a structure-based design approach, we designed and synthesized 2 structurally distinct pan-ERR agonists, SLU-PP-332 and SLU-PP-915. We investigated the effect of ERR agonist on cardiac function in a pressure overload-induced HF model in vivo. We …

Kinase Inhibitor Pulldown Assay (Kip) For Clinical Proteomics, Alexander B Saltzman, Doug W Chan, Matthew V Holt, Junkai Wang, Eric J Jaehnig, Meenakshi Anurag, Purba Singh, Anna Malovannaya, Beom-Jun Kim, Matthew J Ellis

Faculty, Staff and Students Publications

Protein kinases are frequently dysregulated and/or mutated in cancer and represent essential targets for therapy. Accurate quantification is essential. For breast cancer treatment, the identification and quantification of the protein kinase ERBB2 is critical for therapeutic decisions. While immunohistochemistry (IHC) is the current clinical diagnostic approach, it is only semiquantitative. Mass spectrometry-based proteomics offers quantitative assays that, unlike IHC, can be used to accurately evaluate hundreds of kinases simultaneously. The enrichment of less abundant kinase targets for quantification, along with depletion of interfering proteins, improves sensitivity and thus promotes more effective downstream analyses. Multiple kinase inhibitors were therefore deployed as …

Catalytic Isoforms Of Amp-Activated Protein Kinase Differentially Regulate Impdh Activity And Photoreceptor Neuron Function, Tae Jun Lee, Yo Sasaki, Philip A. Ruzycki, Norimitsu Ban, Joseph B. Lin, Hung-Ting Wu, Andrea Santeford, Rajendra S. Apte

2020-Current year OA Pubs

AMP-activated protein kinase (AMPK) plays a crucial role in maintaining ATP homeostasis in photoreceptor neurons. AMPK is a heterotrimeric protein consisting of α, β, and γ subunits. The independent functions of the 2 isoforms of the catalytic α subunit, PRKAA1 and PRKAA2, are uncharacterized in specialized neurons, such as photoreceptors. Here, we demonstrate in mice that rod photoreceptors lacking PRKAA2, but not PRKAA1, showed altered levels of cGMP, GTP, and ATP, suggesting isoform-specific regulation of photoreceptor metabolism. Furthermore, PRKAA2-deficient mice displayed visual functional deficits on electroretinography and photoreceptor outer segment structural abnormalities on transmission electron microscopy consistent with neuronal dysfunction, …

Ketosis Prevents Abdominal Aortic Aneurysm Rupture Through C-C Chemokine Receptor Type 2 Downregulation And Enhanced Extracellular Matrix Balance, Sergio Sastriques-Dunlop, Santiago Elizondo-Benedetto, Batool Arif, Rodrigo Meade, Mohamed S Zaghloul, Hannah Luehmann, Gyu S Heo, Sean J English, Yongjian Liu, Mohamed A Zayed

2020-Current year OA Pubs

Abdominal aortic aneurysms (AAAs) are prevalent with aging, and AAA rupture is associated with increased mortality. There is currently no effective medical therapy to prevent AAA rupture. The monocyte chemoattractant protein (MCP-1)/C-C chemokine receptor type 2 (CCR2) axis critically regulates AAA inflammation, matrix-metalloproteinase (MMP) production, and extracellular matrix (ECM) stability. We therefore hypothesized that a diet intervention that can modulate CCR2 axis may therapeutically impact AAA risk of rupture. Since ketone bodies (KBs) can trigger repair mechanisms in response to inflammation, we evaluated whether systemic ketosis in vivo could reduce CCR2 and AAA progression. Male Sprague-Dawley rats underwent surgical AAA …

Targeting Cell-Type-Specific, Choroid-Peripheral Immune Signaling To Treat Age-Related Macular Degeneration, Joseph B Lin, Andrea Santeford, Jason J Colasanti, Yoon Lee, Aaditya V Shah, Tzu Jui Wang, Philip A Ruzycki, Rajendra S Apte

2020-Current year OA Pubs

Age-related macular degeneration (AMD) is a leading cause of blindness featuring pathogenic neovascularization of the choroidal vasculature (CNV). Although systemic immunity plays a role in AMD, the ocular signals that recruit and activate immune cells remain poorly defined. Using single-cell RNA sequencing, we prospectively profile peripheral blood mononuclear cells from 65 individuals including AMD and controls, which we integrate with existing choroid data. We generate a network of choroid-peripheral immune interactions dysregulated in AMD, including known AMD-relevant gene vascular endothelial growth factor (VEGF) receptor 2. Additionally, we find CYR61 is upregulated in choroidal veins and may signal to circulating monocytes. …

Ephrinb2 Knockdown In Cervical Spinal Cord Preserves Diaphragm Innervation In A Mutant Sod1 Mouse Model Of Als, Mark W. Urban, Brittany A. Charsar, Nicolette M. Heinsinger, Shashirekha S. Markandaiah, Lindsay Sprimont, Wei Zhou, Eric V. Brown, Nathan T. Henderson, Samantha J. Thomas, Biswarup Ghosh, Rachel E. Cain, Davide Trotti, Piera Pasinelli, Megan C. Wright, Matthew B. Dalva, Angelo C. Lepore

Farber Institute for Neuroscience Staff Papers and Presentations

Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disease characterized by motor neuron loss. Importantly, non-neuronal cell types such as astrocytes also play significant roles in disease pathogenesis. However, mechanisms of astrocyte contribution to ALS remain incompletely understood. Astrocyte involvement suggests that transcellular signaling may play a role in disease. We examined contribution of transmembrane signaling molecule ephrinB2 to ALS pathogenesis, in particular its role in driving motor neuron damage by spinal cord astrocytes. In symptomatic SOD1G93A mice (a well-established ALS model), ephrinB2 expression was dramatically increased in ventral horn astrocytes. Reducing ephrinB2 in the cervical spinal cord ventral horn via …

When Policies Problematize The Local: Social-Environmental Justice And Forest Policies In Burkina Faso And Vietnam, Grace Yee Wong, Mawa Karambiri, Pham Thu Thuy, Alizée Ville, Tuan Long Hoang, Chi Dao Thi Linh, Andrea Downing, Amanda Jiménez-Aceituno, Maria Brockhaus

Forest and Society

We examine social-environmental justice in forest governance by asking who is problematized as drivers of deforestation and forest degradation. We adapt Bacchi’s “What is the problem represented to be” approach to the community forest (CAF) model in Burkina Faso and the Payment for Forest Environmental Services (PFES) in Vietnam and examine the implementation of these policies in specific sites through disaggregated focus group discussions (men, women, youth, ethnic minorities). We delve into the discursive, lived and subjectification effects of the policies’ problematizations, highlighting tensions and contestations relating to forest access and benefits. For both countries, what is left unproblematized in …

A Pilot Model Of Community-Based Forest Management In Xuan Nha Nature Reserve, Son La Province, Vietnam, Thuy Thi Phan, Duong Huu Nong

Forest and Society

This study evaluated the implementation of a pilot model for promoting community-based conservation through a contracting program in Xuan Nha Nature Reserve, located in Son La province, northern Vietnam, from 2014 to 2022. To assess the effectiveness of the program, in-depth interviews were conducted with 26 officials and 100 individuals residing in three villages. The findings revealed that the program successfully facilitated community-based conservation by involving local communities in participatory land use planning and forest protection at the village level. The study identified four main factors that contributed to the successful implementation of the program: (1) clearly defined objectives, (2) …

Changing Livelihoods, Development, And Cultural Practices: Reshaping Forests Among The Tau Taa Vana People, Muhammad Alie Humaedi, Ibnu Nadzir, Setiawan Khoirul Himmi, Sri Astutik, Adhis Tessa, Rosita Novi Andari

Forest and Society

The Tau Taa Vana people live in the Bulang Highlands, Tojo Una-Una, in Central Sulawesi Province. The region's development has shaped the marginalization of forest-dwelling and forest-adjacent communities. From the 1980s to the 1990s, illegal logging networks served as the power holders, backed by Indonesia’s authoritarian regime of that time. Illegal logging destroyed a large part of the Tau Taa Vana's sacred forest (pengale kapali). As part of the massive logging agenda, the government launched many legal programs that further isolated the Tau Taa Vana people from their land. The first program was transmigration in 1995-1998, which converted sacred …

Mapping The Demand For Ecosystem Services In Human-Dominated Topical Forest Of Sabah, Malaysia, Kamlisa Uni Kamlun, Renate Bürger-Arndt, Fazleen Abdul Fatah

Forest and Society

Mapping the demand for ecosystem services (ES) is a profoundly debated research topic that needs to be investigated further to overcome spatial discrepancies between supply and demand in the literature. This study proposes a holistic approach to valuing ES, which is demanded by local people living adjacent to Sabah’s protected area in the southwestern part of Sabah, Malaysia. To assess the local people's demand for ecosystem services, we applied the 'ES Matrix Assessment' method. Timber, global climate regulation, recreation, and ecotourism are selected to illustrate the changes in ES demand patterns reported in the Klias Peninsula region. To identify the …

Ethnobotany Of The Kombong Agroforestry System And Tongkonan Conservation In The Toraja Tribe, South Sulawesi, Indonesia, Syamsuddin Millang, Eny Yuniati, Samuel A. Paembonan, Budi Arty, Ahmad R. Makkasau

Forest and Society

The Kombong agroforestry system (KAS) has long been practiced and plays an important role in the livelihoods of the Toraja tribe's settlements, in addition to their social, cultural, and environmental sustainability. This research aims to explain the species composition and wood volume, how the utilization of plant species in the KAS has social, cultural, economic, and ecological functions, analyze the plant cultural significance of KAS of the Toraja tribe, the role of KAS for the conservation of Tongkonan Traditional Houses (TTHs) and KAS in preserving the Rambu Tuka' and Rambu Solo’ traditional ceremonies of the Toraja tribe. The research used …

The Role Of Local Governments In Supporting Social Forestry Implementation In Indonesia: A Social Network Analysis And Evidence From Eastern Indonesia, Sari Rahayu, Niken Sakuntaladewi, Bugi Kabul Sumirat, Tri Sulistyati Widyaningsih, Tri Rizkiana Yusnikusumah, Nurhaedah Muin, Achmad Rizal Hak Bisjoe

Forest and Society

Social forestry has become an integral part of Indonesia's efforts to balance economic development, conservation of natural resources, and the well-being of local communities. The Jokowi administration has made significant efforts to promote this initiative, including allocating 12.7 million hectares of state forest areas and recognizing it as an instrument to address tenure issues in forest areas through the Omnibus Law on Job Creation with getting support from various regulations by relevant ministries. However, social forestry support is needed down to the local government/regional levels (provincial, regency, and village levels). This study aims to analyze the local government’s support for …

Essential Ecosystem Area Policies As A Means To Promote Participatory And Inclusive Conservation In Forest Landscape Governance: Centering Perspectives Of Marginalized Women In Taman Kili-Kili, Indonesia, Titiek Kartika Hendrastiti, Rahmanta Setiahadi, Siti Kusujiarti, Dian Pratiwi, Hale Irfan Safrudi

Forest and Society

This study analyses dimensions of participatory forest landscape governance of the Essential Ecosystem Area (EEA) of Taman Kili-Kili, Indonesia. The voices of marginalized communities, and especially women, are rarely incorporated into forest landscape governance and conservation policies. The recently established Indonesian EEA policy mandates a participatory approach, with explicit requirements to involve marginalized groups and gendered perspectives. However, on a practical level, policy formulation and application unfold in very different ways. Using a Postcolonial Feminist Participatory Action Research (PFPAR) approach, we center local communities' power relations in our analysis as a specific means for drawing out various intersectional relations to …

Potential Of Agroforestry Practices In Multifunctional Landscapes For Enhancing The Livelihoods Of Local Dwellers In The North-Western Charlands Of Bangladesh, Md. Shafiqul Bari, James Michael Roshetko, Md. Manik Ali, Md. Faruq Hasan

Forest and Society

Char is any accretion in a river course that extends or establishes new land. A well-planned integrated land-use system combining woody perennials (agroforestry) can ensure sustainable, environmentally friendly climate resilience land-use systems and livelihood options on charland. To date, no systemic investigation of charland land agroforestry has been undertaken. A comprehensive study of the potential of agroforestry systems in charland areas was conducted using qualitative and quantitative methodologies. Two methods were employed: structured questionnaire interviews and botanical surveys. Findings revealed that considerable variation exists in both charland and mainland areas in terms of socio-demographic characteristics. Both tree and agroforestry knowledge …

Effect Of Dietary Phytase On Water And Fecal Prokaryotic And Eukaryotic Microbiomes In A Hybrid Tilapia (Oreochromis Aureus X O. Niloticus) Mixotrophic Biofloc Production System, Candis L. Ray, Jason Abernathy, Bartholomew Green, Adam Rivers, Kevin Schrader, Steven Rawles, Matthew Mcentire, Miles Lange, Carl Webster

United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications

In this study we evaluated feed and temporal effects on prokaryotic (16S) and eukaryotic (18S) microbiome dynamics in an outdoor mixotrophic biofloc system used to grow hybrid tilapia (Oreochromis aureus x O. niloticus) to market size. The dicalcium phosphate -free practical feed treated with 6-phytase (3000 FTU/kg; P-Free+ Phytase) and positive (Control) and negative (P-Free) control practical feeds used were formulated to contain 27.7% digestible protein and 4% lipid. Sex reversed, all-male hybrid tilapia (28.9 g/fish) were stocked (29 fish/m³) in 9 outdoor rectangular tanks (16.6 m³) and grown for 154 days. The …

Qiditangshen Granules Alleviates Diabetic Nephropathy Podocyte Injury: A Network Pharmacology Study And Experimental Validation In Vivo And Vitro, Fei Gao, Ying Zhou, Borui Yu, Huidi Xie, Yang Shi, Xianhui Zhang, Hongfang Liu

Faculty, Staff and Student Publications

BACKGROUND: QiDiTangShen granules (QDTS), a traditional Chinese medicine (TCM) compound prescription, have remarkable efficacy in diabetic nephropathy (DN) patients, and their pharmacological mechanism needs further exploration.

METHODS: According to the active ingredients and targets of the QDTS in the TCMSP database, the network pharmacology of QDTS was investigated. The potential active ingredients were chosen based on the oral bioavailability and the drug similarity index. At the same time, targets for DN-related disease were obtained from GeneCards, OMIM, PharmGKB, TTD, and DrugBank. The TCM-component-target network and the protein-protein interaction (PPI) network were constructed with the Cytoscape and STRING platforms, respectively, and …

Environmental Education For Sustainability, Lucille Gertz

Educational Studies Dissertations

The climate is in crisis. Many conservation organizations identify in their mission statements the priority of motivating constituents to engage with conservation action. This priority is typically implemented by educators who design and deliver educational activities and materials. This study, designed to develop a professional pathway for environmental educators to develop programs designed to motivate adult audiences toward engagement with conservation action, addressed the question: How can environmental educators more effectively promote conservation behavior change in adult learning audiences? Three guiding research questions were: 1) To what extent are environmental educators familiar with and utilizing theoretical frameworks and research-based tools …

Framing And Sentiment Analysis Of Gerindra Party Political Communication On Twitter (X) Towards The 2024 Elections, Ilnafi Sabilal Khaq, Lia Wulandari

Jurnal Wacana Politik

This research investigates the strategic utilization of political communication by the Gerindra Party on the Twitter platform (X) leading up to the 2024 General Election in Indonesia. With a focus on the adoption of the ‘gemoy’ label by the public, subsequently becoming a framing tool for Prabowo, this shapes a positive image and significantly enhances his popularity. Through a comprehensive analysis of sentiment and engagement displays on social media, this study reveals the effectiveness of Gerindra’s political content in capturing public attention, signaling a paradigm shift in the dynamics of political communication in the digital era. The research adopts a …

Conditionally Mutant Animal Model For Investigating The Invasive Trophoblast Cell Lineage., Khursheed Iqbal, Esteban M. Dominguez, Brandon Nixon, Ayelen Moreno-Irusta, Benjamin Crnkovich, Regan L. Scott, Ha T H Vu, Geetu Tuteja, Jay L. Vivian, Michael J. Soares

Manuscripts, Articles, Book Chapters and Other Papers

Placental development involves coordinated expansion and differentiation of trophoblast cell lineages possessing specialized functions. Among the differentiated trophoblast cell lineages are invasive trophoblast cells, which exit the placenta and invade the uterus, where they restructure the uterine parenchyma and facilitate remodeling of uterine spiral arteries. The rat exhibits deep intrauterine trophoblast cell invasion, a feature shared with human placentation, and is also amenable to gene manipulation using genome-editing techniques. In this investigation, we generated a conditional rat model targeting the invasive trophoblast cell lineage. Prolactin family 7, subfamily b, member 1 (Prl7b1) is uniquely and abundantly expressed in the rat …

Use Of A California Wetland: Harbor Seal (Phoca Vitulina) Haul-Out Patterns In Elkhorn Slough, Emma Nicholson

Master's Theses

This project investigated small-scale habitat use patterns of harbor seals (Phoca vitulina). The goals were to provide an updated overview of the harbor seal population in Elkhorn Slough, California, USA, identify haul-out areas that are seasonally relevant for pupping and molting, and analyze environmental factors that may influence the harbor seals’ abundance and distribution in the slough. Seal counts were conducted by Elkhorn Slough volunteers throughout the entire slough June 2020-May 2023. Additional survey data at the 5 most populated haul-out sites were collected by volunteers from MLML April 2022-May 2023. A comparison to harbor seal abundance data from 1991-1992 …

Dna Barcoding Of Herbal Supplements On The U.S. Commercial Market Associated With The Purported Treatment Of Covid-19, Calin M. Harris, Diane Y. Kim, Chevon R. Jordan, Miranda I. Miranda, Rosalee S. Hellberg

Food Science Faculty Articles and Research

Introduction

The COVID-19 pandemic was associated with an increased global use of traditional medicines, including Ayurvedic herbal preparations. Due to their growing demand, their processed nature, and the complexity of the global supply chain, there is an increased risk of adulteration in these products.

Objectives

The objective of this study was to assess the use of DNA barcoding for species identification in herbal supplements on the US market associated with the Ayurvedic treatment of respiratory symptoms.

Methods

A total of 54 commercial products containing Ayurvedic herbs were tested with four DNA barcoding regions (i.e., rbcL, matK, ITS2, and …

Increased Iron Uptake By Splenic Hematopoietic Stem Cells Promotes Tet2-Dependent Erythroid Regeneration, Yu-Jung Tseng, Yuki Kageyama, Rebecca L Murdaugh, Ayumi Kitano, Jong Hwan Kim, Kevin A Hoegenauer, Jonathan Tiessen, Mackenzie H Smith, Hidetaka Uryu, Koichi Takahashi, James F Martin, Md Abul Hassan Samee, Daisuke Nakada

Faculty, Staff and Student Publications

Hematopoietic stem cells (HSCs) are capable of regenerating the blood system, but the instructive cues that direct HSCs to regenerate particular lineages lost to the injury remain elusive. Here, we show that iron is increasingly taken up by HSCs during anemia and induces erythroid gene expression and regeneration in a Tet2-dependent manner. Lineage tracing of HSCs reveals that HSCs respond to hemolytic anemia by increasing erythroid output. The number of HSCs in the spleen, but not bone marrow, increases upon anemia and these HSCs exhibit enhanced proliferation, erythroid differentiation, iron uptake, and TET2 protein expression. Increased iron in HSCs promotes …

Large Scale Plasma Proteomics Identifies Novel Proteins And Protein Networks Associated With Heart Failure Development, Amil M Shah, Peder L Myhre, Victoria Arthur, Pranav Dorbala, Humaira Rasheed, Leo F Buckley, Brian Claggett, Guning Liu, Jianzhong Ma, Ngoc Quynh Nguyen, Kunihiro Matsushita, Chiadi Ndumele, Adrienne Tin, Kristian Hveem, Christian Jonasson, Håvard Dalen, Eric Boerwinkle, Ron C Hoogeveen, Christie Ballantyne, Josef Coresh, Torbjørn Omland, Bing Yu

Faculty, Staff and Student Publications

Heart failure (HF) causes substantial morbidity and mortality but its pathobiology is incompletely understood. The proteome is a promising intermediate phenotype for discovery of novel mechanisms. We measured 4877 plasma proteins in 13,900 HF-free individuals across three analysis sets with diverse age, geography, and HF ascertainment to identify circulating proteins and protein networks associated with HF development. Parallel analyses in Atherosclerosis Risk in Communities study participants in mid-life and late-life and in Trøndelag Health Study participants identified 37 proteins consistently associated with incident HF independent of traditional risk factors. Mendelian randomization supported causal effects of 10 on HF, HF risk …

Evaluating A Microalga (Schizochytrium Sp.) As An Alternative To Fish Oil In Fish-Free Feeds For Sablefish (Anoplopoma Fimbria), Katherine A. Neylan, Ronald B. Johnson, Frederic T. Barrows, David P. Marancik, Scott L. Hamilton, Luke D. Gardner

Faculty Research, Scholarly, and Creative Activity

Alternative feeds are critical for the sustainable expansion of the marine finfish aquaculture industry. The industry uses wild-caught forage fish as a primary ingredient in farmed fish feeds. Alternative ingredients are needed to safeguard fisheries' sustainability and future aquaculture development. While there have been successes in alternative feeds, it is necessary to improve the existing options and identify alternative ingredients with higher concentrations of omega-3 polyunsaturated fatty acids (PUFAs). This study was designed to test a microalga, Schizochytrium sp., as a feed ingredient for sablefish (Anoplopoma fimbria) using six test diets. There were two fish-ingredient control diets: +FM+FO, which contained …

Armc5 Controls The Degradation Of Most Pol Ii Subunits, And Armc5 Mutation Increases Neural Tube Defect Risks In Mice And Humans, Hongyu Luo, Linjiang Lao, Kit Sing Au, Hope Northrup, Xiao He, Diane Forget, Marie-Soleil Gauthier, Benoit Coulombe, Isabelle Bourdeau, Wei Shi, Lucia Gagliardi, Maria Candida Barisson Villares Fragoso, Junzheng Peng, Jiangping Wu

Faculty, Staff and Student Publications

BACKGROUND: Neural tube defects (NTDs) are caused by genetic and environmental factors. ARMC5 is part of a novel ubiquitin ligase specific for POLR2A, the largest subunit of RNA polymerase II (Pol II).

RESULTS: We find that ARMC5 knockout mice have increased incidence of NTDs, such as spina bifida and exencephaly. Surprisingly, the absence of ARMC5 causes the accumulation of not only POLR2A but also most of the other 11 Pol II subunits, indicating that the degradation of the whole Pol II complex is compromised. The enlarged Pol II pool does not lead to generalized Pol II stalling or a generalized …

The Influence Of Green Building Design On Tourists' Intention To Stay In Eco-Friendly Hotels: A Study On Perceptions And Preferences, Enas Al Sayed Salama Dr., Gehad Nasr Abdelsalam Dr.

Journal of Engineering Research

Green building design involves integrating sustainable and environmentally friendly practices into the construction and operation of buildings, including hotels, with the goal of minimizing the adverse impact on the environment. This paper delves into the pivotal role of green building design and eco-service provision within the context of green hotels. The aim is to investigate the interconnections among tourists' environmental concerns, their perceived significance of green building design, and their intention to choose green hotels.

To enhance the understanding of tourist behavior and its implications for tourism in Egypt, a questionnaire was administered in Sharm El Sheikh, a prominent Egyptian …

Flourishing Foliage: Exploring Hail City's Diverse Botanical Landscape, Asmaa Elantary Dr.

Journal of Engineering Research

This research explores the role of native plants in enhancing the distinctiveness of cities in Saudi Arabia, focusing on a specific case study of Al-Samra Park. The study aims to investigate the prevalence and effects of non-native and native plants in the park and their contribution to the uniqueness of the landscape. A questionnaire was designed and implemented to gather data, and the park's plant composition was examined.

The findings indicate that non-native plants dominate Al-Samra Park, while native plants are scarce. However, the abundance of non-native plants offers various benefits to park visitors. Some non-native plants possess medicinal properties, …

Using Biomimicry To Increase Daylighting Efficiency In Egyptian Office Buildings, . Nervana Osama Hanafy

Journal of Engineering Research

The aim is to design a biomimicry-inspired building skin for Giza City's business towers. Tasks to complete include enhancing daylighting efficiency and promoting visual comfort To improve the daylighting performance of office buildings in Giza City, Egypt, this article presents 144 alternatives for biomimicry-inspired building skin to improve daylighting efficiency and visual comfort for Giza City's business towers For modeling, Revit, Rhino v6, and Grasshopper were utilized. The suggested daylighting simulation application, ClimateStudio (v1.8.8244.25334), was chosen. The building orientation, used materials, surface level measurement, working hours, and pertinent weather file data have all been provided. The evaluation criteria include Annual …

Visual Privacy As An Approach To Improve Human Needs In Residential Buildings In Egypt, Inas Samir Ibrahim, Walaa Nour, Mustafa Alwan

Journal of Engineering Research

Architecture reflects a nation’s cultural, social, and environmental characteristics. As a result of the recent globalization, countries have lost their distinctive architectural identities; due to this, it is difficult to identify A country’s unique identity locally and regionally. Specifically, in Egypt, houses in the traditional style are considered one of the most iconic architectural styles. There is an amazing local identity and a unique spatial quality in the region that characterizes Egypt. On the other hand, Western influences have caused many of the values and attributes of houses to fade. One of the most prominent values is the home’s loss …