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Articles 3601 - 3630 of 18628
Full-Text Articles in Entire DC Network
Transport And Interaction Of Arsenite And Goethite Particles Influencing By Seawater Intrusion, Satika Boonkaewwan
Transport And Interaction Of Arsenite And Goethite Particles Influencing By Seawater Intrusion, Satika Boonkaewwan
Chulalongkorn University Theses and Dissertations (Chula ETD)
The rapid development and variety of land use types in Rayong province have resulted in increased demands on groundwater usage, potentially inducing arsenite (As3+) contaminations and seawater intrusion. However, the knowledge about co-transport of goethite and As3+ to investigate the effect of goethite colloids on As3+ transport under various degrees of seawater intrusion, particular extremely conditions, in groundwater environment is still limited. The main objective is to investigate the influence of seawater intrusion on the sorption, migration, and reaction of As3+and goethite colloids into sand aquifer media under anoxic conditions by using the bench-scale and reactive geochemical modeling. The research …
Sustainable Livelihood Of Fishermen: A Case Study In The City Of Semarang, Indonesia, Adam Prayuda
Sustainable Livelihood Of Fishermen: A Case Study In The City Of Semarang, Indonesia, Adam Prayuda
Chulalongkorn University Theses and Dissertations (Chula ETD)
The study aims to look at the social and economic circumstances of fishermen in Semarang City, their local livelihoods, and the significant role of the state through Semarang Fisheries Service to improve the economic livelihoods and social welfare of this marginal group. It applies a sustainable livelihood framework to look at the compatibility and empowerment process that can affect the Fishermen's Community. This research used mixed methods to understand the problem and apply narrative techniques for case studies to obtain the data. Different sources of information are used to triangulate information, perspectives, and expected results to increase knowledge in providing …
Developing Tanjung Kelayang As A New Bali: An Analysis Of Sustainable Tourism Policy And Implementation, Herdi Andrariladchi
Developing Tanjung Kelayang As A New Bali: An Analysis Of Sustainable Tourism Policy And Implementation, Herdi Andrariladchi
Chulalongkorn University Theses and Dissertations (Chula ETD)
Indonesia has seen the success of Bali as the most prominent tourism destination in the country. Therefore, the initiative to deploy the benefits of tourism development throughout several regions of Indonesia is known as the “10 New Bali’s”. Nevertheless, it is still questionable whether Bali is an example of sustainable tourism or not. In developing the “10 New Bali’s”, the Indonesian government is aiming at increasing the number of tourists rather than at achieving the goal of sustainable tourism destination development. One of the destinations designated under this initiative is Tanjung Kelayang in Belitung Island, and therefore it is selected …
Challenges Of Urban Forest Park Restoration On Post-Closure Landfill : Perception And Future Engagement From The Local Communities, Intan Pransischa Fitri
Challenges Of Urban Forest Park Restoration On Post-Closure Landfill : Perception And Future Engagement From The Local Communities, Intan Pransischa Fitri
Chulalongkorn University Theses and Dissertations (Chula ETD)
Urban forest park development is considered a promising planning tool in tackling some of the problems associated with urbanisation, such as pollution and urban heat island effects. Individual perceptions are pivotal in the urban forest park development. Their significant factors were aimed to address the community's needs and increase the recognition through the disruptive change of land function and urban living toward urban forest park development. The framework of local community engagement in urban forest park development was proposed. Field observation and questionnaires survey of 168 respondents were selected from five villages located 50 meters-1000 meters radius from the site. …
Preventing Occupational Respiratory Disease From Exposures In Office Building : Case Study Covid-19, Panupant Phapant
Preventing Occupational Respiratory Disease From Exposures In Office Building : Case Study Covid-19, Panupant Phapant
Chulalongkorn University Theses and Dissertations (Chula ETD)
The COVID‐19 pandemic has affected human life in every possible way, and, alongside this, the need has been felt that office buildings and workplaces must have protective and preventive layers against COVID‐19 transmission so that a smooth transition from ‘work from home’ to work from office’ is possible. The present study reviews international agency regulations, country regulations, updated journal articles, etc., to critically understand lessons learned from COVID‐19 and evaluate the expected changes in sustainability requirements of office buildings and workplaces. The built environment, control environment, and regulatory environment around office buildings and workplaces have been put under test on …
Developing A System Of Community-Based Agritourism For Sustainable Local Food Systems: A Multi-Case Study Of Rural Livelihood Diversification And Sustainable Urban Consumption In City-Regional Bangkok, Sofia Anna Enrica Cavalleri
Developing A System Of Community-Based Agritourism For Sustainable Local Food Systems: A Multi-Case Study Of Rural Livelihood Diversification And Sustainable Urban Consumption In City-Regional Bangkok, Sofia Anna Enrica Cavalleri
Chulalongkorn University Theses and Dissertations (Chula ETD)
Current food systems fail to directly link rural producers and urban consumers. This research explores and categorizes emerging community-based agritourism practices as strategies to reconnect rural food producers with urban consumers. The main research question of this study is: how can community-based agritourism link rural food producers and urban consumers as a rural livelihood diversification strategy? Mixed methods for data collection were selected to answer this question and analyzed with a deductive and inductive approach. These include the review of secondary grey and academic literature, shadow observation in three rural provinces, content validity index calculation performed by experts (n = …
Investigating Consumers' Perspective And Impact On Green Cosmetics And Personal Care Products In Thailand, Tawalhathai Suphasomboon
Investigating Consumers' Perspective And Impact On Green Cosmetics And Personal Care Products In Thailand, Tawalhathai Suphasomboon
Chulalongkorn University Theses and Dissertations (Chula ETD)
This study aims to investigate consumers’ perspectives and impact on green cosmetics and personal care products in Thailand. Specifically, it explores the sustainability movement for the cosmetics and personal care industry, analyzes Thai consumer behavioral intention toward the consumption of green cosmetics and personal care products, and evaluates the impact of related policies that may affect green business transitions and consumers’ intention to purchase green cosmetics and personal care products. The movement of industry and related policies were analyzed by means of Life Cycle Thinking approach. Hypotheses were formulated based on The Perceived Value Theory with extended factors of environmental …
Utilization Of Rain Tree (Samanea Saman) Residue As Modified Adsorbent To Treat Oil And Grease In Canteen Wastewater, Elga Riesta Puteri
Utilization Of Rain Tree (Samanea Saman) Residue As Modified Adsorbent To Treat Oil And Grease In Canteen Wastewater, Elga Riesta Puteri
Chulalongkorn University Theses and Dissertations (Chula ETD)
The utilization of waste materials as adsorbent precursors is gaining intention to treat fats, oils, and greases (FOG), especially in wastewater treatment. Tree residue, an abundant waste, provides a potential feedstock to be converted into valuable materials. This research aimed to develop modified adsorbent prepared from rain tree (Samanea saman) residue for FOG treatment. The synthesis process of modified adsorbent was conducted by chemical pretreatment using different chemical agents (i.e., NaOH, ZnCl2, and H3PO4). The pre-treated twigs and leaves (1:4 ratio) were continued by pyrolysis process at different temperatures (i.e., 350, 550, and 750oC) using a heating rate of 10oC …
Changes In Surface Water And Sediment Quality At A Complex Tidal-Influenced River: A Case Study Of Ganh Hao River, Mekong Delta, Vietnam, Muoi Le Van
Chulalongkorn University Theses and Dissertations (Chula ETD)
The research was carried out to determine the extent of surface water and sediment pollution using the physicochemical parameters and heavy metal concentrations. The surface water and sediment samples were obtained from 25 sites along the river on March 22 and September 5, 2019 at the main river influenced by the complex tidal regime and aquaculture practices in Ca Mau peninsular in the Vietnamese Mekong Delta. The water quality was compared with international and national standards, while the sediment quality was compared with Vietnamese standards and pollution indices (geo-accumulation index, contamination factor, and pollution load index). Principal component analysis (PCA) …
Health Risk Assessment Of Toxic Metals In Commonly Consumed Salad Leafy Vegetables In Bangkok, Zin Htoo Hlyan
Health Risk Assessment Of Toxic Metals In Commonly Consumed Salad Leafy Vegetables In Bangkok, Zin Htoo Hlyan
Chulalongkorn University Theses and Dissertations (Chula ETD)
The objectives of this study were 1) to investigate concentrations of toxic metals including As, Cd, and Pb in the commonly consumed salad leafy vegetables which were sold in Bangkok, and 2) to assess potential human health risks of As, Cd, and Pb exposure via salad leafy vegetables consumption. A total of 120 samples were randomly collected from local fresh markets in Bangkok. The total concentrations of toxic metals were determined by an inductively coupled plasma mass spectroscopy (ICP-MS). Total concentrations of As, Cd and Pb in coral lettuce (CL), red coral (RC) and green oak (GO) for soil cultivation …
ไมโครพลาสติกในหอยสองฝาที่เพาะเลี้ยงตามชายฝั่งอ่าวไทย, อัจฉรียา สัมพันธ์พร
ไมโครพลาสติกในหอยสองฝาที่เพาะเลี้ยงตามชายฝั่งอ่าวไทย, อัจฉรียา สัมพันธ์พร
Chulalongkorn University Theses and Dissertations (Chula ETD)
ไมโครพลาสติกนับเป็นมลพิษที่ได้รับความสนใจมากในปัจจุบันเนื่องจากพบการแพร่กระจายกว้างขวางและสามารถสะสมผ่านห่วงโซ่อาหารได้ และมีแนวโน้มส่งผลกระทบต่อระบบนิเวศมากขึ้นในอนาคต ซึ่งหอยสองฝาเป็นหนึ่งในสัตว์กรองกินอาหารที่ได้รับผลกระทบจากปริมาณไมโครพลาสติกเพิ่มขึ้น รวมทั้งเป็นอาหารทะเลที่สำคัญ ดังนั้นจึงถูกนำมาใช้เป็นดัชนีชีวภาพ (bioindicator) สำหรับไมโครพลาสติกในทะเล ซึ่งการศึกษาปริมาณไมโครพลาสติกในหอยสองฝาเศรษฐกิจที่เพาะเลี้ยงตามแนวชายฝั่งอ่าวไทยครั้งนี้มีความสำคัญเพื่อเป็นข้อมูลคาดการณ์ปริมาณไมโครพลาสติกที่ปนเปื้อนเข้าสู่ทะเลในแต่ละพื้นที่ และเป็นข้อมูลพื้นฐานสำหรับใช้วางแผนจัดการปัญหาไมโครพลาสติกบริเวณชายฝั่งอ่าวไทย โดยศึกษาในหอยสองฝาทั้งสิ้น 4 ชนิด ได้แก่ หอยแมลงภู่ หอยนางรม หอยแครงและหอยตลับ ซึ่งครอบคลุมพื้นที่ 6 จังหวัด ได้แก่ ชลบุรี สมุทรสาคร สมุทรสงคราม เพชรบุรี ชุมพรและสุราษฎร์ธานี ผลการศึกษาพบ หอยสองฝามี ไมโครพลาสติกเฉลี่ย 1.87±0.86 ชิ้น/ตัว หรือ 0.46±0.31 ชิ้น/กรัม นน.สด โดยจังหวัดสมุทรสาครพบไมโครพลาสติกในหอยสองฝาเฉลี่ยสูงสุด และจังหวัดชลบุรีมีค่าเฉลี่ยต่ำสุด ซึ่งไมโครพลาสติกส่วนใหญ่ที่พบอยู่ในรูปของเส้นใย (filament/fiber) ขนาดไมโครพลาสติกเฉลี่ย 389 ไมครอน โดยพบมากที่สุดอยู่ในช่วง 100–500 ไมครอน ทั้งนี้ หอยสองฝาที่อาศัยในชั้นดินและชั้นน้ำมีการสะสมไมโครพลาสติกแตกต่างกันขึ้นกับแหล่งกำเนิดและปัจจัยทางธรรมชาติ ซึ่งการศึกษานี้ชี้ให้เห็นว่าตามชายฝั่งอ่าวไทยมีการสะสมไมโครพลาสติกที่แตกต่างกัน จึงมีความจำเป็นในการติดตามตรวจสอบและวางมาตรการเพื่อจัดการปัญหาไมโครพลาสติก
Long-Term Impacts Of 2019 Flood Experiences On Nebraskans’ Climate Change Perceptions, Caitlin Kingsley
Long-Term Impacts Of 2019 Flood Experiences On Nebraskans’ Climate Change Perceptions, Caitlin Kingsley
Department of Environmental Studies: Undergraduate Student Theses
This study examines climate change perceptions in Nebraskans who experienced or witnessed flooding in March 2019. The purpose is to determine the impacts of 2019 flood experiences on Nebraskans’ climate change perceptions. The objectives are to determine the influence of flood proximity on changes in climate change perceptions, determine whether 2019 flooding had long-term impacts on Nebraskans’ climate change perceptions, and determine the influence of personal background factors on perceptions. A three-phase interview was utilized to collect background information, climate change perceptions, 2019 flood experiences, and relationships between 2019 flood experiences and climate change perceptions. Background information and climate change …
Designing A Mobile App And Online Directory To Increase The Visibility Of Environmental Organizations In A Community, Kayla Vondracek
Designing A Mobile App And Online Directory To Increase The Visibility Of Environmental Organizations In A Community, Kayla Vondracek
Department of Environmental Studies: Undergraduate Student Theses
Concern for environmental degradation, natural resource depletion, and public health has long been a necessary part of a strongly developed and sophisticated society. Humans are primarily responsible for the depletion of the natural environment as it supplies the commodities required to ensure the long-term survival of civilizations. As cultures continue to evolve, so does the practice of land stewardship and protection of resources. With the necessary expansion of industry and housing needed to support a rising human population, the management of natural resources, pollution control, and the environment has become increasingly important to people worldwide. Bernstein and Szuster (2019) suggest …
Precipitation Impact On Crop Yield, Ian Ritchie
Precipitation Impact On Crop Yield, Ian Ritchie
Department of Environmental Studies: Undergraduate Student Theses
Climate change is a massive force impacting and changing many weather trends, including precipitation rates. This thesis will study the relationship between crop yield and changes in precipitation. Understanding crop yield is important in determining overall crop supply every year as well as crop prices. Many factors can have either a negative or a positive impact on crop yields. One of these many factors is precipitation. This thesis looks directly at the impacts of changes in precipitation on corn yield in Iowa from 1991-2020. To do this, a regression analysis was performed to compare changes in yearly precipitation rates for …
Effect Of Alternative Rearing Substrates And Temperature On Growth And Development Of The Cricket Modicogryllus Conspersus (Schaum), G. Ssepuuya, F. Sengendo, C. Ndagire, J. Karungi, K. K.M. Fiaboe, J. Efitre, D. Nakimbugwe
Effect Of Alternative Rearing Substrates And Temperature On Growth And Development Of The Cricket Modicogryllus Conspersus (Schaum), G. Ssepuuya, F. Sengendo, C. Ndagire, J. Karungi, K. K.M. Fiaboe, J. Efitre, D. Nakimbugwe
All Peer-Reviewed Publications
The increasing demand for animal protein in sub-Saharan Africa has led to insects being considered an alternative protein source for food and feed. In Uganda, chicken mash, containing fish meal as the protein source is commonly used to rear crickets. However, fishmeal is an expensive protein source that is also human food. This study therefore aimed at establishing an alternative preferred (consumed in the highest quantity) plant leaf diet for raising the Modicogryllus conspersus cricket, and the most suitable temperature for hatchability and egg development. The effect of (a) three diets (cassava leaves + cocoyam leaves + milk weed leaves; …
A Comparison Of The Removal Of Estrogen Between Different Wastewater Treatment Processes, Danielle J. Jones
A Comparison Of The Removal Of Estrogen Between Different Wastewater Treatment Processes, Danielle J. Jones
Cal Poly Humboldt theses and projects
Pharmaceuticals are found in water systems and are classified as contaminants due to their adverse effects on numerous types of aquatic organisms. Estradiol, a natural occurring estrogen and ethinylestradiol, a common synthetic estrogen found in birth control, are a class of pharmaceuticals called endocrine-disruptive contaminants (EDC). These contaminants have been shown to cause developmental delays in fish as well as feminizing male fish in concentrations as low as 1 ng/L for both estradiol and ethinylestradiol, and bioaccumulating in mollusks and oysters. There are many natural and human-assisted methods for removing pharmaceuticals in water, and they are dependent on both the …
On The Acceptance Of Urban Beavers In Martinez, California, Zane A. Eddy
On The Acceptance Of Urban Beavers In Martinez, California, Zane A. Eddy
Cal Poly Humboldt theses and projects
As ecosystem engineers, beavers construct complex riparian and wetland habitats that benefit many other species, including endangered salmonids. Through their landscape alterations, beavers also promote increased groundwater recharge and provide refugia during wildfires and high flow events by impounding water and allowing it to spread across the landscape. Prior to the North American colonial fur trapping campaigns, there were between 60 and 400 million beavers in North America. By the beginning of the 20th century, beavers were extirpated from many parts of the continent, however through human efforts, their population has since rebounded to between 10 and 15 million. The …
Getting Lead Off The Landscape: A Theory And Data-Driven Approach To Increase Non-Lead Ammunition Use Among Hunters In The California Condor Range Of Utah (Usa), Jacob C. Richards, Jordan W. Smith
Getting Lead Off The Landscape: A Theory And Data-Driven Approach To Increase Non-Lead Ammunition Use Among Hunters In The California Condor Range Of Utah (Usa), Jacob C. Richards, Jordan W. Smith
Environment and Society Faculty Publications
The leading cause of mortality in California condors (condors) is lead poisoning, which occurs when condors ingest lead-based ammunition left in carcasses. As a critically endangered species with approximately 100 individuals remaining in the American southwest, increasing the adoption of non-lead ammunition is essential to the recovery of the species. In Utah, the Division of Wildlife Resources (DWR) uses communication with hunters as the primary tool for increasing the adoption of non-lead ammunition in southwestern Utah. In this research, we use social science theory and data collected from a survey of hunters throughout the region to develop a strategic communication …
Loon Lake 2021 Water Quality Full Annual Report, Amanda Mcquaid, Robert Craycraft
Loon Lake 2021 Water Quality Full Annual Report, Amanda Mcquaid, Robert Craycraft
UNH Cooperative Extension
A Water Quality Report by UNH CE Lakes Lay Monitoring Program for Loon Lake in Effingham, NH.
Lake Kanasatka 2021 Water Quality Highlight Report, Amanda Mcquaid, Robert Craycraft
Lake Kanasatka 2021 Water Quality Highlight Report, Amanda Mcquaid, Robert Craycraft
UNH Cooperative Extension
A Water Quality Highlight Report by UNH CE Lakes Lay Monitoring Program for Lake Kanasatka in Moultonborough, NH in 2021.
Effects Of Beaver Dam Analogs On Stream Ecosystem Function Of Crab Creek, Washington State, Nicholas D. Broderius
Effects Of Beaver Dam Analogs On Stream Ecosystem Function Of Crab Creek, Washington State, Nicholas D. Broderius
EWU Masters Thesis Collection
This study documents the effects of beaver dam analogs (BDAs) on nutrient transport, fish community composition, macroinvertebrate drift, and benthic macroinvertebrate communities of Crab Creek, WA, USA. In 2019, the U.S. Fish and Wildlife Service (USFWS), and Natural Resource Conservation Service (NRCS) placed 25 BDAs in Crab Creek on a section of private land near Harrington, WA. Beaver dam analogs are structures placed in streams to mimic the ecosystem effects of beaver activity and are increasingly used as a stream restoration technique. The primary goals of placing these BDAs in the stream was to impound sediment and create a new …
Ecology Of Freshwater Turtles And Other Wetland Wildlife In A North-Central West Virginia Watershed, Darien N. Lozon
Ecology Of Freshwater Turtles And Other Wetland Wildlife In A North-Central West Virginia Watershed, Darien N. Lozon
Graduate Theses, Dissertations, and Problem Reports (ETD)
The goal of wetland mitigation in the United States is to achieve a no-net-loss of wetlands; however, mitigated wetlands must be monitored to ensure wetland function is comparable to natural wetlands. In this study, relationships between land use practices and freshwater turtle abundance, wetland connectivity, and heavy metal bioaccumulation were investigated. In Chapter 1, a summary of pre-restoration species abundance and diversity is provided for anurans, birds, benthic macroinvertebrates, fishes, small mammals, plants, and turtles in riparian wetlands along Ruby Run, a tributary of Deckers Creek in north-central West Virginia, USA. These data provide a baseline for comparison after mitigation …
Satellite-Based Phenology Analysis In Evaluating The Response Of Puerto Rico And The United States Virgin Islands' Tropical Forests To The 2017 Hurricanes, Melissa Collin
Cal Poly Humboldt theses and projects
The functionality of tropical forest ecosystems and their productivity is highly related to the timing of phenological events. Understanding forest responses to major climate events is crucial for predicting the potential impacts of climate change. This research utilized Landsat satellite data and ground-based Forest Inventory and Analysis (FIA) plot data to investigate the dynamics of Puerto Rico and the U.S. Virgin Islands’ (PRVI) tropical forests after two major hurricanes in 2017. Analyzing these two datasets allowed for validation of the remote sensing methodology with field data and for the investigation of whether this is an appropriate approach for estimating forest …
Examining West Virginia's Economic Development: Natural Resources, Development Agencies, And Labor Force Development, Gaillynn Marie Bowman
Examining West Virginia's Economic Development: Natural Resources, Development Agencies, And Labor Force Development, Gaillynn Marie Bowman
Graduate Theses, Dissertations, and Problem Reports (ETD)
Examining West Virginia's Economic Development: Natural Resources, Development Agencies, and Labor Force Development Gaillynn Bowman Economic development is well-recognized as being fundamental to facilitating an overall improved quality of life for communities and their residents. Throughout West Virginia’s history, the state has experienced economic hardships caused by boom and bust cycles associated with resource extraction. This dissertation consists of three essays that explore the impacts of economic development activities, including conservation programs, economic development agency initiatives, and workforce development agencies. The first essay explores the relationship nonresident landowners have with the conservation programs within West Virginia, specifically the Natural Resources …
Lack Of Plasticity In Gopher Tortoise (Gopherus Polyphemus) Nesting Behavior And Fecundity In A Translocated Population, Jennifer N. Desha
Lack Of Plasticity In Gopher Tortoise (Gopherus Polyphemus) Nesting Behavior And Fecundity In A Translocated Population, Jennifer N. Desha
College of Graduate Studies: Theses & Dissertations
Lack of Plasticity in Gopher Tortoise (Gopherus polyphemus) Nesting Behavior and Fecundity in a Translocated Population
Predator Scent And Presence Alter Mammal Assemblages In The Missouri Ozarks, Usa, Cara Jean Yocom-Russell
Predator Scent And Presence Alter Mammal Assemblages In The Missouri Ozarks, Usa, Cara Jean Yocom-Russell
Masters Theses
"Species that are vulnerable to predation exhibit a host of behavioral and physiological adaptations toward the avoidance of this outcome: Heightened awareness of surroundings through visual, olfactory, and auditory senses are common ways in which these species avoid detection by predators. While links between direct predator-prey relationships are well established, less is known about how predators can shape overall community structure or the populations of secondary or less frequently consumed prey items. As humans expand into rural areas, the frequency of wildlife conflicts rises. In response, humans look to prevent these events with a variety of methods. One such method …
Using Dialogue To Contextualize Culture, Ecosystem Services, And Cultural Ecosystem Services, Karen Allen, Celia Castellano, Sophia Pessagno
Using Dialogue To Contextualize Culture, Ecosystem Services, And Cultural Ecosystem Services, Karen Allen, Celia Castellano, Sophia Pessagno
Open Access Fund Publications
We propose an alternative methodology for engaging with multifaceted cultural ecosystem services (CES) in the Global South. We explore the use of dialogue as a tool for understanding CES in situ, while developing shared action steps toward CES conservation among stakeholders. We held six dialogue workshops in the rural Central Pacific region of Costa Rica that were designed to foster understanding of shared community values for ecosystem services and associated conservation challenges. In two of the workshops, we employed model-based reasoning through which we used maps as boundary negotiating objects to nurture dialogue on CES values, observations, and concerns. In …
Food Contact Surfaces: Challenges, Legislation And Solutions, Shubham Sharma, Amit Jaiswal, Brendan Duffy, Swarna Jaiswal
Food Contact Surfaces: Challenges, Legislation And Solutions, Shubham Sharma, Amit Jaiswal, Brendan Duffy, Swarna Jaiswal
Articles
Food contact surfaces (FCSs) include all surfaces that may come in contact with the food during production, processing, and packaging. Food processing industries encounter several challenges due to its microbial interaction with the FCSs, such as cross-contamination of pathogenic microorganisms or allergens in food, formation of biofilm, biodeterioration of food contact surface leads to food with reduced shelf-life and quality. A legal EU framework provides the fundamental postulates for the safety and inertness of all Food Contact Materials (FCMs). Legislations have an important role in providing regulatory guidance on the quality assurance systems and verifying their implementation as a means …
Detecting Sex-Related Changes To The Metabolome Of A Critically Endangered Freshwater Crayfish During The Mating Season, Emily Lette, Quinton Burnham, Nathan Lawler, Pierre Horwitz, Mary C. Boyce, David I. Broadhurst, Rodney Duffy, Annette Koenders
Detecting Sex-Related Changes To The Metabolome Of A Critically Endangered Freshwater Crayfish During The Mating Season, Emily Lette, Quinton Burnham, Nathan Lawler, Pierre Horwitz, Mary C. Boyce, David I. Broadhurst, Rodney Duffy, Annette Koenders
Research outputs 2014 to 2021
Captive breeding is a vital tool in the conservation of highly endangered species, as it is for the Margaret River hairy marron, Cherax tenuimanus, from the south west of Australia. A close relative, Cherax cainii, has almost completely displaced C. tenuimanus in the wild and is a successful aquaculture species, whereas C. tenuimanus has performed poorly in captivity. We used untargeted liquid chromatography-mass spectrometry to obtain metabolomic profiles of female and male C. tenuimanus held in controlled aquarium conditions during their reproductive period. Using repeated haemolymph sampling we tracked the metabolomic profiles of animals just prior to and …
Importance Of Low-Relief Nursery Habitat For Reef Fishes, Michael A. Dance, Ray R. Rooker, Richard Kline, Antonietta Quigg, Gregory R. Stunz, R. J. David Wells, Kirsten Lara, Jessica Lee, Bobbie Suarez
Importance Of Low-Relief Nursery Habitat For Reef Fishes, Michael A. Dance, Ray R. Rooker, Richard Kline, Antonietta Quigg, Gregory R. Stunz, R. J. David Wells, Kirsten Lara, Jessica Lee, Bobbie Suarez
School of Earth, Environmental, & Marine Sciences Faculty Publications
Coastal restoration projects to mitigate environmental impacts have increased global demand for sand resources. Unfortunately, these resources are often extracted from sand/shell banks on the inner continental shelf, resulting in significant alteration or loss of low-relief reefs in coastal oceans. Experimental reefs (oyster shell, limestone rubble, composite) were deployed in the western Gulf of Mexico to assess their potential value as nurseries for newly settled reef fishes. Occurrence, abundance, and species richness of juvenile fishes were significantly higher on all three types of low-relief reefs compared with unconsolidated sediment. Moreover, reefs served as nursery habitat for a range of reef …