Register for our FREE zoom presentation with Ari Friedlaender at acsorangecounty.org/events
Hosted by the American Cetacean Society of Orange County When: 8/22 @7pm Topic: Antarctic minke whales are not necessarily rare, but they are rarely seen and remain poorly studied because of their cryptic nature and preferred habitat deep in the Antarctic sea ice. Recently, our research group completed a comprehensive study on the foraging behavior, habitat use, and social structure of these endemic Antarctic whales in an effort to better understand not just their habits but how they are likely to be affected by rapid climate-driven changes in sea ice cover around the Antarctic Peninsula. Sent from my iPhone > On Aug 14, 2024, at 9:08 AM, [email protected] wrote: > > Send MARMAM mailing list submissions to > [email protected] > > To subscribe or unsubscribe via the World Wide Web, visit > https://lists.uvic.ca/mailman/listinfo/marmam > or, via email, send a message with subject or body 'help' to > [email protected] > > You can reach the person managing the list at > [email protected] > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of MARMAM digest..." > > > Today's Topics: > > 1. New publication: Assessment of PFAS and physiological > biomarkers in bottlenose dolphins and killer whales > (Leila Soledade Lemos) > 2. Clearwater Marine Aquarium Research Institute North Atlantic > Right Whale Aerial Observer Job Announcement (Melanie White) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Tue, 13 Aug 2024 14:49:34 +0000 > From: Leila Soledade Lemos <[email protected]> > To: MARMAM grupo <[email protected]> > Subject: [MARMAM] New publication: Assessment of PFAS and > physiological biomarkers in bottlenose dolphins and killer whales > Message-ID: > > <bn8pr02mb5764fb041cf0207ea800f10fcd...@bn8pr02mb5764.namprd02.prod.outlook.com> > > Content-Type: text/plain; charset="utf-8" > > Hello MARMAMers, > > My co-authors and I are excited to share our new publication at Chemosphere: > > Lemos LS, Silva EM, Steinman KJ, Robeck TR, Quinete NS. 2024. Assessment of > per- and poly-fluoroalkyl substances and physiological biomarkers in > aquarium-based bottlenose dolphins and killer whales. Chemosphere 364: > 143038. DOI: doi.org/10.1016/j.chemosphere.2024.143038. > https://www.sciencedirect.com/science/article/pii/S0045653524019337 > > Abstract: Environmental concerns about per- and polyfluoroalkyl substances > (PFAS) are considerably increasing due to their extensive use in commercial > and consumer products. PFAS bioaccumulate and biomagnify throughout the food > chain, and their toxicity and potential adverse health effects can > potentially represent a threat to living organisms. In this study, we > described PFAS profiles in the serum of two species of zoo-based bottlenose > dolphins (Tursiops truncatus, n = 14 individuals) and killer whales (Orcinus > orca, n = 14 individuals) from three locations (California, Florida, and > Texas, USA), from 1994 to 2020. Potential physiological effects of PFAS were > also explored by measuring different biomarkers (cortisol, corticosterone, > aldosterone, TBARS, and hydrogen peroxide) while accounting for individual > age, sex, and reproductive stage. All PFAS were detected in at least one of > the individuals, considering both species. ?PFAS reached 496 ng mL?1 in > bottlenose dolphins and! > 230 ng mL?1 in killer whales. In both species, the PFAS with higher mean > concentrations were PFOS (108.0?183.0 ng ml?1) and PFNA (14.40?85.50 ng > ml?1), which are long-chain compounds. Newborn individuals of both species > were also exposed to PFAS, indicating transference via placenta and > lactation. Linear mixed model analyses indicated significant correlations > between aldosterone, month, year, location, and status; and between hydrogen > peroxide, month, year, age, status, ?PFAS, and ? short-chain PFAS in killer > whales suggesting seasonal variations related to the animal's physiological > state (e.g., reproductive cycles, stress responses, weaning events) and > increased reactive oxygen species formation due to PFAS exposure. Given our > results, other contaminant classes should be investigated in cetaceans as > they might have additive and synergistic detrimental effects on these > individuals. This study lays the foundation to guide future researchers and > highlights the importance of! > such assessments for animal welfare, and species conservation. Our results > may inform management decisions regarding regulations of contaminant > thresholds in delphinids. > > Cheers, > > > [cid:03225ce8-3101-4ee5-8a7f-bc13c9d2310a] > Leila S. Lemos, Ph.D. > Institute of Environment > Florida International University | MMC > 11200 SW 8th St, VH 310 & 321 > Miami, FL 33199 > (971) 3409610? > > https://www.researchgate.net/profile/Leila_Lemos > https://www.linkedin.com/in/leila-soledade-lemos-94972415/ > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <http://lists.uvic.ca/pipermail/marmam/attachments/20240813/b3945ea8/attachment-0001.html> > -------------- next part -------------- > A non-text attachment was scrubbed... > Name: Outlook-berycm3d.jpg > Type: image/jpeg > Size: 56780 bytes > Desc: Outlook-berycm3d.jpg > URL: > <http://lists.uvic.ca/pipermail/marmam/attachments/20240813/b3945ea8/attachment-0001.jpg> > > ------------------------------ > > Message: 2 > Date: Wed, 14 Aug 2024 14:53:25 +0000 > From: Melanie White <[email protected]> > To: "[email protected]" <[email protected]> > Subject: [MARMAM] Clearwater Marine Aquarium Research Institute North > Atlantic Right Whale Aerial Observer Job Announcement > Message-ID: > > <bl1pr03mb6069347970f46114d846ba25ad...@bl1pr03mb6069.namprd03.prod.outlook.com> > > Content-Type: text/plain; charset="us-ascii" > > Clearwater Marine Aquarium Research Institute North Atlantic Right Whale > Aerial Observer Job Announcement > > Clearwater Marine Aquarium Research Institute (CMARI), a non-profit research > and conservation organization, is seeking temporary seasonal right whale > aerial observers ranging from November 2024 through April 2025. These > positions are in anticipation of research activities to be conducted in the > southeastern United States, contingent upon funding. Applicants must be able > to work for the entirety of the project. Aerial survey flights will occur up > to five days per week. These positions will be required to complete an > aviation and marine safety/survival training course. Proof of COVID-19 > vaccination is required. Group housing is provided. > > For more information and to apply: > https://www.paycomonline.net/v4/ats/web.php/jobs/ViewJobDetails?job=151474&clientkey=ACEBE78A76290C9FE9C1DC934A5E82A6 > > Please upload your cover letter, resume/CV, and contact information of three > professional references during your application submission by August 30, 2024. > > Thank you, > Melanie White > > Melanie White > North Atlantic Right Whale Conservation Project Manager > Research Biologist > (she/her) > Mobile 518.339.1202 > [email protected] > www.CMAResearchInstitue.org > 249 Windward Passage | Clearwater, Florida 33767 > > > > ------------------------------ > > Subject: Digest Footer > > _______________________________________________ > MARMAM mailing list > [email protected] > https://lists.uvic.ca/mailman/listinfo/marmam > > > ------------------------------ > > End of MARMAM Digest, Vol 229, Issue 11 > ***************************************
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