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Articles 1 - 15 of 15
Full-Text Articles in Marine Biology
Caribbean Reef-Building Coral-Symbiodiniaceae Network: Identifying Symbioses Critical For System Stability In A Changing Climate, Shaman Patel
All HCAS Student Capstones, Theses, and Dissertations
Increasing global ocean temperatures and frequency of marine heatwaves pose dire consequences for coral reefs. High temperatures often lead to disruptions in coral symbiosis resulting in coral bleaching, increasing the mortality of corals. However, corals can potentially avoid bleaching peril by associating with thermally tolerant symbionts. Here we provide a tool for understanding symbiosis network stability of Caribbean reef-building corals. We created a network of Caribbean hermatypic corals and their associated Symbiodiniaceae phylotypes. A bleaching model was applied to this network to test for resilience and robustness (R50) to thermal stress. It was also layered with trait data for coral …
A Colonial-Nesting Seabird Shows No Heart-Rate Response To Drone-Based Population Surveys, Erica A. Geldart, Andrew F. Barnas, Christina A.D. Semeniuk, H. Grant Gilchrist, Christopher M. Harris, Oliver P. Love
A Colonial-Nesting Seabird Shows No Heart-Rate Response To Drone-Based Population Surveys, Erica A. Geldart, Andrew F. Barnas, Christina A.D. Semeniuk, H. Grant Gilchrist, Christopher M. Harris, Oliver P. Love
Great Lakes Institute for Environmental Research Publications
Aerial drones are increasingly being used as tools for ecological research and wildlife monitoring in hard-to-access study systems, such as in studies of colonial-nesting birds. Despite their many advantages over traditional survey methods, there remains concerns about possible disturbance effects that standard drone survey protocols may have on bird colonies. There is a particular gap in the study of their influence on physiological measures of stress. We measured heart rates of incubating female common eider ducks (Somateria mollissima) to determine whether our drone-based population survey affected them. To do so, we used heart-rate recorders placed in nests to quantify their …
Technoscience And The Modernization Of Freshwater Fisheries Assessment And Management, S. J. Cooke, M. F. Docker, N. E. Mandrak, N. Young, D. D. Heath, K. M. Jeffries, A. Howarth, J. W. Brownscombe, J. Livernois, C. A.D. Semeniuk, P. A. Venturelli, A. J. Danylchuk, R. J. Lennox, I. Jarić, A. T. Fisk, C. S. Vandergoot, J. R. Britton, A. M. Muir
Technoscience And The Modernization Of Freshwater Fisheries Assessment And Management, S. J. Cooke, M. F. Docker, N. E. Mandrak, N. Young, D. D. Heath, K. M. Jeffries, A. Howarth, J. W. Brownscombe, J. Livernois, C. A.D. Semeniuk, P. A. Venturelli, A. J. Danylchuk, R. J. Lennox, I. Jarić, A. T. Fisk, C. S. Vandergoot, J. R. Britton, A. M. Muir
Great Lakes Institute for Environmental Research Publications
Inland fisheries assessment and management are challenging given the inherent complexity of working in diverse habitats (e.g., rivers, lakes, wetlands) that are dynamic on organisms that are often cryptic and where fishers are often highly mobile. Yet, technoscience is offering new tools that have the potential to reimagine how inland fisheries are assessed and managed. So-called “technoscience” refers to instances in which science and technology unfurl together, offering novel ways of spurring and achieving meaningful change. This paper considers the role of technoscience and its potential for modernizing the assessment and management of inland fisheries. It first explores technoscience and …
Chemosensory Receptors In Berghia Stephanieae: Bioinformatics And Localization, Kelsi L. Watkins
Chemosensory Receptors In Berghia Stephanieae: Bioinformatics And Localization, Kelsi L. Watkins
Masters Theses
Chemosensation is achieved through the binding of chemical signals to chemoreceptor proteins embedded in the membranes of sensory neurons. The molecular identity of these receptors, as well as the downstream processing of chemosensory signals, has been well studied in arthropods and vertebrates. However, very little is known about molluscan chemosensation. The identity of chemoreceptor proteins in the nudibranch mollusc Berghia stephanieae are unknown. Data from other protostome and molluscan studies suggest Berghia may use ionotropic receptors for some forms of chemoreception. This study used a bioinformatics approach to identify potential chemosensory ionotropic receptors in the transcriptome of Berghia. A …
Innovating Transcriptomics For Practitioners In Freshwater Fish Management And Conservation: Best Practices Across Diverse Resource-Sector Users, C. A.D. Semeniuk, K. M. Jeffries, T. Li, C. M. Bettles, S. J. Cooke, B. A. Dufour, E. A. Halfyard, J. W. Heath, K. Keeshig, N. E. Mandrak, A. J. Muir, L. Postma, D. D. Heath
Innovating Transcriptomics For Practitioners In Freshwater Fish Management And Conservation: Best Practices Across Diverse Resource-Sector Users, C. A.D. Semeniuk, K. M. Jeffries, T. Li, C. M. Bettles, S. J. Cooke, B. A. Dufour, E. A. Halfyard, J. W. Heath, K. Keeshig, N. E. Mandrak, A. J. Muir, L. Postma, D. D. Heath
Great Lakes Institute for Environmental Research Publications
Thriving freshwater fish populations contribute to people’s economic prosperity and wellbeing. Yet, freshwater fish populations are in critical condition around the globe. Most stressors to freshwater fishes, fisheries, and culture stem from habitat impacts, water-quality issues, and aquatic invasive species. Logistical difficulties of monitoring fish health are compounded by the limitations of conventional (capture-based) sampling methods, which provide only a temporal “snapshot” and generate data lacking in sensitivity and prognostic ability. Here, we propose an innovative genomics approach to develop a health toolkit that will allow resource-sector users to determine the health status of freshwater fishes, including their coping capacity, …
Metatranscriptomic Sequencing Of Winter And Spring Planktonic Communities From Lake Erie, A Laurentian Great Lake, Brittany N. Zepernick, Elizabeth R. Denison, Justin D. Chaffin, George S. Bullerjahn, Christa P. Pennacchio, Thijs Frenken, Daniel H. Peck, James T. Anderson, Derek Niles, Arthur Zastepa, R. L.Michael Mckay, Steven W. Wilhelm
Metatranscriptomic Sequencing Of Winter And Spring Planktonic Communities From Lake Erie, A Laurentian Great Lake, Brittany N. Zepernick, Elizabeth R. Denison, Justin D. Chaffin, George S. Bullerjahn, Christa P. Pennacchio, Thijs Frenken, Daniel H. Peck, James T. Anderson, Derek Niles, Arthur Zastepa, R. L.Michael Mckay, Steven W. Wilhelm
Great Lakes Institute for Environmental Research Publications
Previous reports suggest planktonic and under-ice winter microbial communities in Lake Erie are dominated by diatoms. Here, we report the assembled metatranscriptomes of 79 Lake Erie surface water microbial communities spanning both the winter (28 samples) and spring (51 samples) months over spatial, temporal, and climatic gradients in 2019 through 2020.
Metagenomics Of Wastewater Influent From Wastewater Treatment Facilities Across Ontario In The Era Of Emerging Sars-Cov-2 Variants Of Concern, Opeyemi U. Lawal, Linkang Zhang, Valeria R. Parreira, R. Stephen Brown, Charles Chettleburgh, Nora Dannah, Robert Delatolla, Kimberly A. Gilbride, Tyson E. Graber, Golam Islam, James Knockleby, Sean Ma, Hanlan Mcdougall, R. Michael Mckay, Aleksandra Mloszewska, Claire Oswald, Mark Servos, Megan Swinwood-Sky
Metagenomics Of Wastewater Influent From Wastewater Treatment Facilities Across Ontario In The Era Of Emerging Sars-Cov-2 Variants Of Concern, Opeyemi U. Lawal, Linkang Zhang, Valeria R. Parreira, R. Stephen Brown, Charles Chettleburgh, Nora Dannah, Robert Delatolla, Kimberly A. Gilbride, Tyson E. Graber, Golam Islam, James Knockleby, Sean Ma, Hanlan Mcdougall, R. Michael Mckay, Aleksandra Mloszewska, Claire Oswald, Mark Servos, Megan Swinwood-Sky
Great Lakes Institute for Environmental Research Publications
We report metagenomic sequencing analyses of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) RNA in composite wastewater influent from 10 regions in Ontario, Canada, during the transition between Delta and Omicron variants of concern. The Delta and Omicron BA.1/BA.1.1 and BA.2-defining mutations occurring in various frequencies were reported in the consensus and subconsensus sequences of the composite samples.
Validation Of Pilot Protocol: Damage Scoring Of Puget Sound Mollusk Shells, Lauren Doffing
Validation Of Pilot Protocol: Damage Scoring Of Puget Sound Mollusk Shells, Lauren Doffing
Environmental Science Undergraduate Theses
The Marine Sediment Monitoring Team at the Washington State Department of Ecology observed damage to mollusk shells while studying the benthic communities of Puget Sound. A pilot protocol was written to allow researchers to quantify the damage. Two researchers independently followed the protocol, including reference photos, for a set of samples collected in 2019 from an urban bay, East Possession Sound. Two scores were given to each specimen: highest-level damage and extent of highest-level damage. An additional score was given to bivalve species: rust/stain. The sets of scores were compared to determine if the protocol yielded similar values between the …
Niches Of Marine Mammals In The European Arctic, K. M. Mackenzie, C. Lydersen, T. Haug, H. Routti, J. Aars, C. M. Andvik, K. Borgå, A. T. Fisk, S. Meier, M. Biuw, A. D. Lowther, U. Lindstrøm, K. M. Kovacs
Niches Of Marine Mammals In The European Arctic, K. M. Mackenzie, C. Lydersen, T. Haug, H. Routti, J. Aars, C. M. Andvik, K. Borgå, A. T. Fisk, S. Meier, M. Biuw, A. D. Lowther, U. Lindstrøm, K. M. Kovacs
Great Lakes Institute for Environmental Research Publications
The Arctic is warming rapidly, with concomitant sea ice losses and ecosystem changes. The animals most vulnerable to Arctic food web changes are long-lived and slow-growing such as marine mammals, which may not be able to adapt rapidly enough to respond to changes in their resource bases. To determine the current extent and sources of these resource bases, we examined isotopic and trophic niches for marine mammals in the European Arctic using skin carbon (δ13C) and nitrogen (δ 15N) stable isotope (SI) compositions from 10 species: blue, fin, humpback, minke, sperm and white whales, bearded and ringed seals, walruses and …
Bear Presence Attracts Avian Predators But Does Not Impact Lesser Snow Goose Daily Nest Attendance, Andrew F. Barnas, Brian J. Darby, David T. Iles, David N. Koons, Robert F. Rockwell, Christina A.D. Semeniuk, Susan N. Ellis-Felege
Bear Presence Attracts Avian Predators But Does Not Impact Lesser Snow Goose Daily Nest Attendance, Andrew F. Barnas, Brian J. Darby, David T. Iles, David N. Koons, Robert F. Rockwell, Christina A.D. Semeniuk, Susan N. Ellis-Felege
Great Lakes Institute for Environmental Research Publications
The presence of foraging bears in Arctic breeding bird colonies has been increasingly reported in the literature, and these may constitute disturbance events which cause incubating birds to leave their nest. Avian predators may associate with bears during such events, likely to capitalize on unattended nests in the presence of bears. Here, we estimated changes in daily nest attendance of lesser snow geese Anser caerulescens caerulescens in the presence of foraging bears, and estimated the association between foraging bears and avian predators. We predicted decreased nest attendance by geese on days with bears, and close associations between avian predators and …
Corrigendum To “Environmental And Life-History Factors Influence Inter-Colony Multidimensional Niche Metrics Of A Breeding Arctic Marine Bird” [Sci. Total Environ. 796 (2021) 148935] (Science Of The Total Environment (2021) 796, (S0048969721040079), (10.1016/J.Scitotenv.2021.148935)), Reyd A. Smith, David J. Yurkowski, Kyle J.L. Parkinson, Jérôme Fort, Holly L. Hennin, H. Grant Gilchrist, Keith A. Hobson, Mark L. Mallory, Paco Bustamante, Jóhannis Danielsen, Svend E. Garbus, Sveinn A. Hanssen, Jón Einar Jónsson, Christopher J. Latty, Ellen Magnúsdóttir, Børge Moe, Glen J. Parsons, Christian Sonne
Corrigendum To “Environmental And Life-History Factors Influence Inter-Colony Multidimensional Niche Metrics Of A Breeding Arctic Marine Bird” [Sci. Total Environ. 796 (2021) 148935] (Science Of The Total Environment (2021) 796, (S0048969721040079), (10.1016/J.Scitotenv.2021.148935)), Reyd A. Smith, David J. Yurkowski, Kyle J.L. Parkinson, Jérôme Fort, Holly L. Hennin, H. Grant Gilchrist, Keith A. Hobson, Mark L. Mallory, Paco Bustamante, Jóhannis Danielsen, Svend E. Garbus, Sveinn A. Hanssen, Jón Einar Jónsson, Christopher J. Latty, Ellen Magnúsdóttir, Børge Moe, Glen J. Parsons, Christian Sonne
Great Lakes Institute for Environmental Research Publications
The authors regret that the printed version of the above article contained an omission of an individual deserving of co-authorship. The correct and final version follows. The authors would like to apologise for any inconvenience caused. < Reyd A. Smith1⁎, David J. Yurkowski2, Kyle J.L. Parkinson1, Jérôme Fort3, Holly L. Hennin4, H. Grant Gilchrist4, Keith A. Hobson5, Mark L. Mallory6, Paco Bustamante3, Jóhannis Danielsen7, Svend E. Garbus8, Sveinn A. Hanssen9, Jón Einar Jónsson10, Christopher J. Latty11, Ellen Magnúsdóttir10, Børge Moe9, Glen J. Parsons12, Christian Sonne8, Grigori Tertitski13, and Oliver P. Love1> Windsor, Windsor, Ontario, Canada, N9B 3P4 2 Fisheries and Oceans Canada, Winnipeg, Manitoba, Canada, R3T 2N6 3 Littoral, Environnement et Sociétés (LIENSs), UMR 7266 CNRS – La Rochelle University, La Rochelle, France, FR-17000 4 Environment and Climate Change Canada, Ottawa, Ontario, Canada, K0A 1H0. 5 Western University, London, Ontario, Canada, N6A 3K7 6Acadia University, Wolfville, Nova Scotia, Canada, B4P 2R6 7 Faroe Marine Research …
Favorable Spring Conditions Can Buffer The Impact Of Winter Carryover Effects On A Key Breeding Decision In An Arctic-Breeding Seabird, Rolanda J. Steenweg, Glenn T. Crossin, Holly L. Hennin, H. Grant Gilchrist, Oliver P. Love
Favorable Spring Conditions Can Buffer The Impact Of Winter Carryover Effects On A Key Breeding Decision In An Arctic-Breeding Seabird, Rolanda J. Steenweg, Glenn T. Crossin, Holly L. Hennin, H. Grant Gilchrist, Oliver P. Love
Great Lakes Institute for Environmental Research Publications
The availability and investment of energy among successive life-history stages is a key feature of carryover effects. In migratory organisms, examining how both winter and spring experiences carryover to affect breeding activity is difficult due to the challenges in tracking individuals through these periods without impacting their behavior, thereby biasing results. Using common eiders Somateria mollissima, we examined whether spring conditions at an Arctic breeding colony (East Bay Island, Nunavut, Canada) can buffer the impacts of winter temperatures on body mass and breeding decisions in birds that winter at different locations (Nuuk and Disko Bay, Greenland, and Newfoundland, Canada; assessed …
A Systematic Review Of The Global Freshwater Mussel Restoration Toolbox, Roland E. Eveleens, Catherine Febria Dr
A Systematic Review Of The Global Freshwater Mussel Restoration Toolbox, Roland E. Eveleens, Catherine Febria Dr
Great Lakes Institute for Environmental Research Publications
1. Halting the global decline of freshwater mussels requires an improved understanding of the restoration approaches currently in use and the identification of shortcomings to inform the development of new ones. This article reviews published evaluations of restoration efforts on the ground and those identified or proposed in the literature. 2. This review found few reports of the effectiveness of restoration measures, and of those reported there was strong temporal and geographical bias. Reports were mostly recent and took place within mussel-diverse regions of the Global North (i.e. North America, Europe). 3. Efforts focused on population support encompassed relocation, translocation …
Investing In Monarch Conservation: Understanding Private Funding Dynamics, Rodrigo Solis-Sosa, Christina A.D. Semeniuk, Maxim Larrivée, Sean Cox
Investing In Monarch Conservation: Understanding Private Funding Dynamics, Rodrigo Solis-Sosa, Christina A.D. Semeniuk, Maxim Larrivée, Sean Cox
Great Lakes Institute for Environmental Research Publications
Non-profit environmental organizations (NGOs) rely heavily on external donors to fulfill their mandates. However, forecasting donations for long-term planning is an elusive task at best. The non-compulsory nature of donation requires NGOs to understand how donors’ attention and funding allocations change over time as conservation scenarios change and incorporate these insights into their budgeting plans. We hypothesize that an NGO can hinder its capacity to reach its conservation goals by neglecting its donor-NGO-natural system (DNNS), which is reactive to the socio-ecological context. To test our hypothesis, we compared the ecological outcomes derived from a budgeting strategy assuming donors have a …
Histological Comparison Of Shark Dermis Across Various Ecomorphologies, Olivia Schuitema
Histological Comparison Of Shark Dermis Across Various Ecomorphologies, Olivia Schuitema
UNF Graduate Theses and Dissertations
The integument plays essential roles in the structural support, protection, and hydrodynamic capability among fishes. Most shark skin research has been done on the external epidermal layer containing the dermal denticles, while the larger dermis layer has been mostly ignored. The dermis layer in sharks is composed of two layers, the upper stratum laxum and the lower stratum compactum, holding supportive collagen and elastin fibers. There may be morphological and compositional differences in the dermis layers across various species of sharks, although the extent of such is unknown. These potential differences may be represented by various dermal thicknesses and different …