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Assessing changing baleen whale distributions and reported incidents relative to vessel activity in the Northwest Atlantic.
PLoS One
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Department of Biology, Dalhousie University, Halifax, NS, Canada.
Baleen whales are among the largest marine megafauna, and while mostly well-protected from direct exploitation, they are increasingly affected by vessel traffic, interactions with fisheries, and climate change. Adverse interactions, notably vessel strikes and fishing gear entanglement, often result in distress, injury, or death for these animals. In Atlantic Canadian waters, such negative interactions or 'incidents' are consistently reported to marine animal response organizations but have not yet been analyzed relative to the spatial distribution of whales and vessels.
View Article and Find Full Text PDFFreeze-dried plasma: Hemostasis and biophysical analyses for damage control resuscitation.
Transfusion
January 2025
Department of Surgery, Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada.
Background: Effective hemorrhage protocols prioritize immediate hemostatic resuscitation to manage hemorrhagic shock. Prehospital resuscitation using blood products, such as whole blood or alternatively dried plasma in its absence, has the potential to improve outcomes in hemorrhagic shock patients. However, integrating blood products into prehospital care poses substantial logistical challenges due to issues with storage, transport, and administration in field environments.
View Article and Find Full Text PDFHydrology and water quality evaluation for potential HABs under future climate scenarios.
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Department of Agricultural and Biological Engineering, Mississippi State University, Mississippi State, MS, 39762, United States. Electronic address:
Harmful algal blooms (HABs) are increasingly a global concern and the issue of all fifty states in the U.S as it poses a threat to human health and aquatic ecosystem. This study aimed to investigate the relationship of HABs with streamflow and water quality parameters and assess the hydrology-based potential future HABs in the Ohio River Basin at Ironton (ORBI) using the Soil and Water Assessment Tool (SWAT).
View Article and Find Full Text PDFOn the occurrence, behaviour, and fate of naphthenic acid fraction compounds in aquatic environments.
Sci Total Environ
January 2025
Department of Civil, Geological and Environmental Engineering, University of Saskatchewan, 57 Campus Dr, Saskatoon, Saskatchewan S7N 5A9, Canada; University of Lethbridge, Office of the Vice President (Research), Lethbridge, Alberta, Canada. Electronic address:
Naphthenic acids and naphthenic acid fraction compounds (NAFCs) are associated with production of unconventional petroleum resources, especially the Athabasca Oil Sands of Alberta, Canada. This complex mixture of acidic organic compounds is toxic to a variety of taxa, and so represents an important environmental management challenge. Thus, there is clear motivation to better understand the occurrence and characteristics of NAFCs in aquatic environments, their chemical behaviour, and environmental fate.
View Article and Find Full Text PDFSpatial unfolding of an extended La-140 source within a 0.5 km-wide exclusion zone using Compton gamma imaging measurements.
J Environ Radioact
January 2025
Canadian Hazards Information Service, Natural Resources Canada, Ottawa, Ontario, Canada.
Results from applying an advanced spatial-unfolding technique to outdoor-trial data acquired with a Silicon photomultiplier-based Compton Telescope for Safety and Security (SCoTSS) gamma imager during perimeter survey of a distributed La-140 source lying within a 500 m x 500 m exclusion zone are presented. A synthetic-data version of the experiment was also modelled using Monte Carlo simulations and reconstructed. For both experimental and synthetic data the method faithfully reproduces the shape of the activity distribution, and for synthetic data the total activity is reproduced as well.
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