Bibliography and Index of the Sirenia and Desmostylia  

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"Owen, Helen"

 
 
 Gillespie, Alison; Nurgess, E.; Lanyon, Janet M.; Owen, Helen (detail)
   
2011
Small intestinal volvulus in a free-ranging female dugong (Dugong dugon).
Australian Veter. Jour. 89(7): 276-278. July 2011.
 
 
 Owen, Helen; Gillespie, Alison; Wilkie, Ian (detail)
   
2012
Postmortem findings from dugong (Dugong dugon) submissions to the University of Queensland: 1997–2010.
Journal of Wildlife Diseases 48(4): 962-970. DOI: 10.7589/2011-03-080. October 1, 2012.
–ABSTRACT: To better record and characterize mortality in the declining population of dugong (Dugong dugon) in southeast Queensland, Australia, animals were collected and brought to the University of Queensland for postmortem examination. Fifty-five animals were examined over a 14-yr period. Human activities commonly caused the animal death. Several deaths were attributed to primary or secondary infections and idiopathic and degenerative diseases. A significant proportion of animals were found to have nonspecific signs of chronic debility, but the causes of disease and mortality in these cases remains to be identified.
 
 
 Owen, Helen C.; Flint, Mark; Limpus, Colin J.; Palmieri, Chiara; Mills, Paul C. (detail)
   
2013
Evidence of sirenian cold stress syndrome in dugongs Dugong dugon from southeast Queensland, Australia.
Diseases of Aquatic Organisms 103: 1-7. 1 tab. 4 figs. DOI:10.3354/dao02568. Mar. 2013.
–ABSTRACT: Cold stress syndrome (CSS) is the term used to describe the range of clinical signs and chronic disease processes that can occur in Florida, USA, manatees Trichechus manatus latirostris exposed to water temperatures below 20°C for extended periods. Although no cold-related adverse events have been described in the closely related dugong Dugong dugon thus far, it has been established that they make movements in response to water temperatures lower than about 17 to 18°C. In this study, archive reports for dugong carcasses submitted to The University of Queensland School of Veterinary Science for post mortem examination during 2010 to 2012 were examined. These animals had been recovered from Moreton Bay, southeast Queensland, Australia, and 10 out of 14 fulfilled the criteria for 'potential cold stress cases.' Epidermal hyperplasia and secondary bacterial infection, serous atrophy of pericardial adipose tissue, and multisystem abscessation were features commonly noted in these cases. Water temperature data were correlated with the time of year that carcasses were submitted for examination. Higher numbers of carcasses diagnosed with potential CSS were noted during sustained periods in which water temperature was below 20°C. Given the pattern of increased submission of non-specifically, chronically unwell animals in the colder months and evidence that environmental conditions known to precipitate CSS occur in southeast Queensland, it is probable that, like manatees, dugongs in this area are affected by CSS. Further investigation to confirm and to better characterize the syndrome is recommended to refine management practices and improve treatment of affected animals.
 
 
 Owen, Helen; Flint, Mark; Limpus, Col; Palmieri, Chlara; Mills, Paul C. (detail)
   
2015
Comment on "Insulative capacity of the integument of the dugong (Dugong dugon): thermal conductivity, conductance and resistance measured by in vitro heat flux" by Horgan, Booth, Nichols and Lanyon (2014).
Marine Biology DOI: 10.1007/s00227-015-2640-x. Mar. 15, 2015.
 
 
 Owen, Helen; Flint, Jaylene; Flint, Mark (detail)
   
2017
Impacts of marine debris and fisheries on sirenians. Chap. 18 in: Andy Butterworth (ed.), Marine mammal welfare: human induced change in the marine environment and its impacts on marine mammal welfare.
Springer International Publishing: Animal Welfare Series, Vol. 17: 315-331. doi:10.1007/978-3-319-46994-2. June 20, 2017.
–ABSTRACT: Harmful marine debris includes land and ship-sourced waste and abandoned fishing gear from recreational and commercial fisheries; these forms of debris are making their way into waterways and oceans with increasing frequency. For sirenians, marine debris and fisheries pose a significant risk to their well-being through entanglement, ingestion and hunting, both legal and illegal, as well as through more indirect ways, such as changing social structures and creating orphans through loss of cohorts. This chapter addresses the welfare impacts of marine debris and fisheries on sirenians. It also explores the changes in attitude that are occurring in many of the stakeholders involved and how these are translating into positive outcomes.
Daryl P. Domning, Research Associate, Department of Paleobiology, National Museum of Natural History, Smithsonian Institution, Washington, D.C. 20560, and Laboratory of Evolutionary Biology, Department of Anatomy, College of Medicine, Howard University, Washington, D.C. 20059.
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