Dr Janet Lanyon
Senior Lecturer
School of Biological Sciences
+61 7 336 54416
Primary research interest
- Biology, ecology and conservation of large marine vertebrates
Researcher biography
Conservation, biology and ecology of large marine vertebrates
Current research interests:
- Population ecology of dugongs and coastal dolphins
- Population genetics of dugongs
- Physiology, functional morphology and ecology of dugongs
- Health assessment of inshore marine mammals, particularly dugongs
Publications
Book
Lanyon, Janet M. (1986). A guide to the identification of seagrasses in the Great Barrier Reef. Townsville, Australia: Great Barrier Reef Marine Park Authority.
Book Chapters
Lanyon, Janet M., Kirkwood, Roger J. and Bell, Ian P. (2022). Research methods for marine mammals and reptiles. Wildlife research in Australia. (pp. 233-256) edited by Bradley P. Smith, Helen P. Waudby, Corinne Alberthsen and Jordan O. Hampton. Clayton South, VIC, Australia: CSIRO.
Lanyon, Janet M., Noad, Michael and Meager, Justin (2019). Ecology of the marine mammals of Moreton Bay. Moreton Bay Quandamooka and catchment: past present and future. (pp. 415-430) edited by Ian R. Tibbetts, Peter C. Rothlisberg, David T. Neil, Tamara A. Homburg, David T. Brewer and Angela H. Arthington. Brisbane, QLD Australia: The Moreton Bay Foundation.
Lanyon, Janet M. (2019). Management of megafauna in estuaries and coastal waters: Moreton Bay as a case study. Coasts and estuaries: the future. (pp. 87-101) edited by Eric Wolanski, John W. Day, Michael Elliott and Ramesh Ramachandran. Amsterdam, Netherlands: Elsevier. doi: 10.1016/B978-0-12-814003-1.00006-X
Lanyon, Janet M. and Burgess, Elizabeth A. (2019). Reproductive science methods for wild, fully-marine mammals: Current approaches and future applications. Reproductive Sciences in Animal Conservation. (pp. 363-411) edited by Pierre Comizzoli, Janine L. Brown and William V. Holt. Cham, Switzerland: Springer. doi: 10.1007/978-3-030-23633-5_13
Walsh, M., Lanyon, J.M. and Blyde, D. (2018). Sirenian health assessment. CRC Handbook of Marine Mammal Medicine. (pp. 857-870) edited by L.A. Dierauf and F.M.D. Gulland. Boca Raton, FL, United States: CRC Press.
Lanyon, J.M. (2017). Dugong. A nature guide to North Stradbroke Island Minjerribah. (pp. 121-122) edited by M. Barram and S.E. Carew. Brisbane, QLD, Australia: Friends of North Stradbroke Island.
Lanyon, Janet M. and Burgess, Elizabeth A. (2014). Methods to examine reproductive biology in free-ranging, fully-marine mammals. Reproductive sciences in animal conservation: Progress and prospects. (pp. 241-274) edited by William V. Holt, Janine L. Brown and Pierre Comizzoli. New York, NY, United States: Springer New York. doi: 10.1007/978-1-4939-0820-2_11
Lanyon, Janet M. (2011). The dugong. Wild guide to Moreton Bay and adjacent coasts. (pp. 154-155) edited by P. Davie. Brisbane, QLD Australia: Queensland Museum Press.
Lanyon, Janet M., Limpus, Colin J. and Marsh, Helene (1989). Dugongs and turtles: grazers in the seagrass system. Biology of seagrasses: a treatise on the biology of seagrasses with special reference to the Australian region. (pp. 610-634) edited by A. W. D. Larkum, A. J. McComb and S. A. Shephard. Amsterdam, Netherlands: Elsevier.
Journal Articles
Lanyon, Janet M., Athousis, Chrissa, Sneath, Helen L. and Burgess, Elizabeth A. (2021). Body scarring as an indicator of social function of dugong (Dugong dugon) tusks. Marine Mammal Science, 37 (3), 962-981. doi: 10.1111/mms.12788
Wong, Arthur, Lanyon, Janet M., O'Handley, Ryan, Linedale, Richard, Woolford, Lucy, Long, Trevor and Leggatt, Graham R. (2020). Serum antibodies against Toxoplasma gondii and Neospora caninum in southeast Queensland dugongs. Marine Mammal Science, 36 (1) mms.12629, 180-194. doi: 10.1111/mms.12629
Smoll, Laetitia I., Beard, Lyn A. and Lanyon, Janet M. (2020). Osmoregulation and electrolyte balance in a fully marine mammal, the dugong (Dugong dugon). Journal of Comparative Physiology B: Biochemical, Systemic, and Environmental Physiology, 190 (1), 139-148. doi: 10.1007/s00360-019-01250-8
Meyer, Wynn K., Jamison, Jerrica, Richter, Rebecca, Woods, Stacy E., Partha, Raghavendran, Kowalczyk, Amanda, Kronk, Charles, Chikina, Maria, Bonde, Robert K., Crocker, Daniel E., Gaspard, Joseph, Lanyon, Janet M., Marsillach, Judit, Furlong, Clement E. and Clark, Nathan L. (2018). Ancient convergent losses of Paraoxonase 1 yield potential risks for modern marine mammals. Science, 361 (6402), 591-594. doi: 10.1126/science.aap7714
Wong, Arthur, Lanyon, Janet M., McKee, Sara J., Linedale, Richard, Woolford, Lucy, Long, Trevor and Leggatt, Graham R. (2018). Development of a polyclonal anti-dugong immunoglobulin G (IgG) antibody with evaluation of total plasma IgG in a living dugong (Dugong dugon) population. Veterinary Immunology and Immunopathology, 200, 16-25. doi: 10.1016/j.vetimm.2018.04.003
Wong, Arthur W., Lanyon, Janet M., Sneath, Helen L., Leggatt, Graham R. and Woolford, Lucy (2018). Comparison of i-STAT® with traditional laboratory analysers in the measurement of blood analytes from field captured dugongs (Dugong dugon). Aquatic Mammals, 44 (1), 19-31. doi: 10.1578/AM.44.1.2018.19
Hunter, Margaret E., Meigs-Friend, Gaia, Ferrante, Jason A., Kamla, Aristide Takoukam, Dorazio, Robert M., Diagne, Lucy Keith, Luna, Fabia, Lanyon, Janet M. and Reid, James P. (2018). Surveys of environmental DNA (eDNA): a new approach to estimate occurrence in Vulnerable manatee populations. Endangered Species Research, 35, 101-111. doi: 10.3354/esr00880
Lanyon, Janet M. and Janetzki, Heather (2016). Mortalities of southern right whales (Eubalaena australis) in a subtropical wintering ground, Southeast Queensland. Aquatic Mammals, 42 (4), 470-475. doi: 10.1578/AM.42.4.2016.470
Woolford, Lucy, Wong, Arthur, Sneath, Helen L., Long, Trevor, Boyd, Susan P. and Lanyon, Janet M. (2015). Hematology of dugongs (Dugong dugon) in southern Queensland. Veterinary Clinical Pathology, 44 (4), 530-541. doi: 10.1111/vcp.12305
Lanyon, Janet M, Wong, Arthur, Long, Trevor and Woolford, Lucy (2015). Serum biochemistry reference intervals of live wild dugongs (Dugong dugon) from urban coastal Australia. Veterinary Clinical Pathology, 44 (2), 234-242. doi: 10.1111/vcp.12249
Lanyon, Janet M., Horgan, Patrick, Booth, David and Nichols, Cassandra (2015). Reply to the Comment of Owen et al. 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, 162 (5), 1147-1149. doi: 10.1007/s00227-015-2641-9
Woolford, L., Franklin, C., Whap, T., Loban, F. and Lanyon, J. M. (2015). Pathological findings in wild harvested dugongs Dugong dugon of central Torres Strait, Australia. Diseases of Aquatic Organisms, 113 (2), 89-102. doi: 10.3354/dao02825
Cope R. C., Pollett, P. K., Lanyon, J. M. and Seddon, J. M. (2015). Indirect detection of genetic dispersal (movement and breeding events) through pedigree analysis of dugong populations in southern Queensland, Australia. Biological Conservation, 181, 91-101. doi: 10.1016/j.biocon.2014.11.011
Ansmann, Ina C., Lanyon, Janet M., Seddon, Jennifer M. and Parra, Guido J. (2015). Habitat and resource partitioning among Indo-Pacific bottlenose dolphins in Moreton Bay, Australia. Marine Mammal Science, 31 (1), 211-230. doi: 10.1111/mms.12153
Seddon, Jennifer M., Ovenden, Jennifer R., Sneath, Helen L., Broderick, Damien, Dudgeon, Christine L. and Lanyon, Janet M. (2014). Fine scale population structure of dugongs (Dugong dugon) implies low gene flow along the southern Queensland coastline. Conservation Genetics, 15 (6), 1381-1392. doi: 10.1007/s10592-014-0624-x
Cope, Robert C., Lanyon, Janet M., Seddon, Jennifer M. and Pollett, Philip K. (2014). Development and testing of a genetic marker-based pedigree reconstruction system 'PR-genie' incorporating size-class data. Molecular Ecology Resources, 14 (4), 857-870. doi: 10.1111/1755-0998.12219
Merson, Samuel D., Ouwerkerk, Diane, Gulino, Lisa-Maree, Klieve, Athol, Bonde, Robert K., Burgess, Elizabeth A. and Lanyon, Janet M. (2014). Variation in the hindgut microbial communities of the Florida manatee, Trichechus manatus latirostris over winter in Crystal River, Florida. FEMS Microbiology Ecology, 87 (3), 601-615. doi: 10.1111/1574-6941.12248
Hagihara, Rie, Jones, Rhondda E., Grech, Alana, Lanyon, Janet M., Sheppard, James K. and Marsh, Helene (2014). Improving population estimates by quantifying diving and surfacing patterns: a dugong example. Marine Mammal Science, 30 (1), 348-366. doi: 10.1111/mms.12041
Horgan, Patrick, Booth, David, Nichols, Cassandra and Lanyon, Janet M. (2014). Insulative capacity of the integument of the dugong (Dugong dugon): Thermal conductivity, conductance and resistance measured by in vitro heat flux. Marine Biology, 161 (6), 1395-1407. doi: 10.1007/s00227-014-2428-4
Burgess, Elizabeth A., Blanshard, Wendy H., Barnes, Andrew A., Gilchrist, Sam, Keeley, Tamara, Chua, Jayce and Lanyon, Janet M. (2013). Reproductive hormone monitoring of dugongs in captivity: detecting the onset of sexual maturity in a cryptic marine mammal. Animal Reproduction Science, 140 (3-4), 255-267. doi: 10.1016/j.anireprosci.2013.06.005
Ansmann, Ina C., Lanyon, Janet M., Seddon, Jennifer M. and Parra, Guido J. (2013). Monitoring dolphins in an urban marine system: total and effective population size estimates of Indo-Pacific bottlenose dolphins in Moreton Bay, Australia. PLoS One, 8 (6) e65239, e65239.1-e65239.12. doi: 10.1371/journal.pone.0065239
Burgess, Elizabeth A,, Brown, Janine L. and Lanyon, Jane M. (2013). Sex, scarring and stress: understanding seasonal costs in a cryptic marine mammal. Conservation Physiology, 1 (1) cot014, cot014. doi: 10.1093/conphys/cot014
Dudgeon, Christine L., Lanyon, Janet M. and Semmens, Jayson M. (2013). Seasonality and site fidelity of the zebra shark, Stegostoma fasciatum, in southeast Queensland, Australia. Animal Behaviour, 85 (2), 471-481. doi: 10.1016/j.anbehav.2012.12.013
Eigeland, Karen A., Lanyon, Janet M., Trott, Darren J., Ouwerkerk, Diane, Blanshard, Wendy, Milinovich, Gabriel J., Gulino, Lisa-Maree, Martinez, Emilio, Merson, Samuel and Klieve, Athol V. (2012). Bacterial community structure in the hindgut of wild and captive dugongs (Dugong dugon). Aquatic Mammals, 38 (4), 402-411. doi: 10.1578/AM.38.4.2012.402
Ansmann, Ina C., Parra, Guido J., Lanyon, Janet M. and Seddon, Jennifer M. (2012). Fine-scale genetic population structure in a mobile marine mammal: inshore bottlenose dolphins in Moreton Bay, Australia. Molecular Ecology, 21 (18), 4472-4485. doi: 10.1111/j.1365-294X.2012.05722.x
Ansmann, Ina C., Parra, Guido J., Chilvers, B. Louise and Lanyon, Janet M. (2012). Dolphins restructure social system after reduction of commercial fisheries. Animal Behaviour, 84 (3), 575-581. doi: 10.1016/j.anbehav.2012.06.009
Burgess, Elizabeth A., Lanyon, Janet M., Brown, Janine L., Blyde, David and Keeley, Tamara (2012). Diagnosing pregnancy in free-ranging dugongs using fecal progesterone metabolite concentrations and body morphometrics: A population application. General and Comparative Endocrinology, 177 (1), 82-92. doi: 10.1016/j.ygcen.2012.02.008
Burgess, Elizabeth A., Lanyon, Janet M. and Keeley, Tamara (2012). Testosterone and tusks: Maturation and seasonal reproductive patterns of live, free-ranging male dugongs (Dugong dugon) in a subtropical population. Reproduction, 143 (5), 683-697. doi: 10.1530/REP-11-0434
Ichikawa, Kotaro, Akamatsu, Tomonari, Adulyanukosol, Kanjani, Damiani, Giovanni, Lanyon, Janet and Nawata, Hiroshi (2012). Intraspecific variation in vocal repertoire among dugong populations. Journal of Acoustical Society of America, 131 (4), 3456-3456. doi: 10.1121/1.4709024
Lanyon, Janet M., Sneath, Helen L. and Long, Trevor (2012). Evaluation of exertion and capture stress in serum of wild dugongs (Dugong dugon). Journal of Zoo and Wildlife Medicine, 43 (1), 20-32. doi: 10.1638/2010-0178.1
Gillespie, A., Burgess, E., Lanyon, J. and Owen, H. (2011). Small intestinal volvulus in a free-ranging female dugong (Dugong dugon). Australian Veterinary Journal, 89 (7), 276-278. doi: 10.1111/j.1751-0813.2011.00791.x
Lanyon, Janet M., Sneath, Helen L. and Long, Trevor (2010). Three skin sampling methods for molecular characterisation of free-ranging dugong (Dugong dugon) populations. Aquatic Mammals, 36 (3), 298-306. doi: 10.1578/AM.36.3.2010.298
Hunter, Margaret Kellogg, Broderick, Damien, Ovenden, Jennifer, Tucker, Kimberly Pause, Bonde, Robert McGuire, McGuire, Peter M. and Lanyon, Janet M. Lanyons (2010). Characterization of highly informative cross-species microsatellite panels for the Australian dugong (Dugong dugon) and Florida manatee (Trichechus manatus latirostris) including five novel primers. Molecular Ecology Resources, 10 (2), 368-377. doi: 10.1111/j.1755-0998.2009.02761.x
Lanyon, Janet M., Sneath, Helen L., Long, Trevor and Bonde, Robert K. (2010). Physiological response of wild dugongs (Dugong dugon) to out-of-water sampling for health assessment. Aquatic Mammals, 36 (1), 46-58. doi: 10.1578/AM.36.1.2010.46
Lanyon, J.M., Sneath, H.L., Ovenden, J.R., Broderick, D. and Bonde, R.K. (2009). Sexing Sirenians: Validation of Visual and Molecular Sex Determination in both Wild Dugongs (Dugong dugon) and Florida Manatees (Trichechus manatus latirostris).. Aquatic Mammals, 35 (2), 187-192. doi: 10.1578/AM.35.2.2009.187
Dudgeon, C. L., Noad, M. J. and Lanyon, J. M. (2008). Abundance and demography of a seasonal aggregation of zebra sharks Stegostoma fasciatum. Marine Ecology - Progress Series, 368, 269-281. doi: 10.3354/meps07581
McHale, M., Broderick, D., Ovenden, J. R. and Lanyon, J. M. (2008). A PCR assay for gender assignment in dugong (Dugong dugon) and West Indian manatee (Trichechus manatus). Molecular Ecology Resources, 8 (3), 669-670. doi: 10.1111/j.1471-8286.2007.02041.x
Broderick, D., Ovenden, J., Slade, R. and Lanyon, J. M. (2007). Characterization of 26 new microsatellite loci in the dugong (Dugong dugon). Molecular Ecology Notes, 7 (6), 1275-1277. doi: 10.1111/j.1471-8286.2007.01853.x
Kuiper-Linley, Marianne, Johnson, Craig R. and Lanyon, Janet M. (2007). Effects of simulated green turtle regrazing on seagrass abundance, growth and nutritional status in Moreton Bay, south-east Queensland, Australia. Marine and Freshwater Research, 58 (5), 492-503. doi: 10.1071/MF06241
Skilleter, Greg A., Wegscheidl, Carla and Lanyon, Janet M. (2007). Effects of grazing by a marine mega-herbivore on benthic assemblages in a subtropical seagrass bed. Marine Ecology-Progress Series, 351, 287-300. doi: 10.3354/meps07174
Shantala McMaster and Lanyon, Janet M. (2006). Interactions between Lyngyba majuscula and green turtles (Chelonia mydas) in Moreton Bay, Australia.. NOAA Technical Memorandum NMFS-SEFSC-536, 536, 131-133.
Lanyon, J. M. and Sanson, G. D. (2006). Degenerate dentition of the dugong (Dugong dugon), or why a grazer does not need teeth: morphology, occlusion and wear of mouthparts. Journal of Zoology, 268 (2), 133-152. doi: 10.1111/j.1469-7998.2005.00004.x
Lanyon, J. M. and Sanson, G. D. (2006). Mechanical disruption of seagrass in the digestive tract of the dugong. Journal of Zoology, 270 (2), 277-289. doi: 10.1111/j.1469-7998.2006.00135.x
Lanyon, J. M., Newgrain, K. and Sayah Alli, T. S. (2006). Estimation of water turnover rate in captive dugongs (Dugong dugon). Aquatic Mammals, 32 (1), 103-108.
Lanyon, Janet M., Slade, Rob W., Sneath, Helen L., Broderick, Damien P., Kirkwood, John M., Limpus, Duncan, Limpus, Colin J. and Jessop, Tim (2006). A Method for Capturing Dugongs (Dugong dugon) in Open Water. Aquatic Mammals, 32 (2), 196-201. doi: 10.1578/AM.32.2.2006.196
Burgess, Elizabeth A., Booth, David T. and Lanyon, Janet M. (2006). Swimming performance of hatchling green turtles is affected by incubation temperature. Coral Reefs, 25 (3), 341-349. doi: 10.1007/s00338-006-0116-7
Lanyon, J. M., Johns, T. and Sneath, H. L. (2005). Year-round presence of dugongs in Pumicestone Passage, south-east Queensland, examined in relation to water temperature and seagrass distribution. Wildlife Research, 32 (4), 361-368. doi: 10.1071/WR04063
Lanyon, J. M., Smith, K. and Carrick, F. N. (2005). Reproductive steroids are detectable in the faeces of dugongs. Australian Zoologist, 33 (3), 247-250. doi: 10.7882/AZ.2005.021
Booth, D. T., Burgess, E., McCosker, J. R. and Lanyon, J. M. (2004). The influence of incubation temperature on post-hatching fitness characteristics of turtles. International Congress Series, 1275, 226-233. doi: 10.1016/j.ics.2004.08.057
Marcos, Lisa A. and Lanyon, Janet M. (2004). Dietary and morphometric analysis of three sea snake species caught as a single trawl by-catch assemblage around the swain’s reefs, southern great barrier reef, Queensland. Proceedings of the Royal Society of Queensland, 111, 63-73.
Gales, Nick, McCauley, Robert D., Lanyon, Janet and Holley, Dave (2004). Change in abundance of dugongs in Shark Bay, Ningaloo and Exmouth Gulf, Western Australia: evidence for large-scale migration. Wildlife Research, 31 (3), 283-290. doi: 10.1071/WR02073
Naesigg, Patricia J. and Lanyon, Janet M. (2004). Levels and probable origin of predatory scarring on humpback whales (Megaptera novaeangliae) in east Australian waters. Wildlife Research, 31 (2), 163-170. doi: 10.1071/WR03086
Lanyon, J. M. (2003). Distribution and abundance of dugongs in Moreton Bay, Queensland, Australia. Wildlife Research, 30 (4), 397-409. doi: 10.1071/WR98082
Lanyon, J. M., Sneath, H. L., Kirkwood, J. M. and Slade, R. (2002). Establishing a mark-recapture program for dugongs in Moreton Bay, South-East Queensland. Australian Mammalogy, 24 (1), 51-56. doi: 10.1071/AM02051
Brand-Gardner, S. J., Lanyon, J. M. and Limpus, C. J. (1999). Diet selection by immature green turtles, Chelonia mydas, in subtropical Moreton Bay, south-east Queensland. Australian Journal of Zoology, 47 (2), 181-191. doi: 10.1071/ZO98065
Brand, S. J., Lanyon, J. M. and Limpus, C. J. (1999). Digesta composition and retention times in wild immature green turtles, Chelonia mydas: a preliminary investigation. Marine and Freshwater Research, 50 (2), 145-147. doi: 10.1071/MF98033
Lanyon, J. M. and Marsh, H. (1995). Digesta passage times in the dugong. Australian Journal of Zoology, 43 (2), 119-127. doi: 10.1071/ZO9950119
Lanyon, Janet M. and Marsh, Helene (1995). Temporal changes in the abundance of some tropical intertidal seagrasses in North Queensland. Aquatic Botany, 49 (4), 217-237. doi: 10.1016/0304-3770(94)00435-O
Lanyon, Janet M. and Sanson, G. D. (1986). Koala (Phascolarctos cinereus) dentition and nutrition. II. Implications of tooth wear in nutrition. Journal of Zoology, 209 (2), 169-181. doi: 10.1111/j.1469-7998.1986.tb03573.x
Lanyon, Janet M. and Sanson, G. D. (1986). Koala (Phascolarctos cinereus) dentition and nutrition. I. Morphology and occlusion of cheekteeth. Journal of Zoology, 209 (2), 155-168. doi: 10.1111/j.1469-7998.1986.tb03572.x
Conference Papers
Burgess, Elizabeth Ann, Blanshard, Wendy H., Keeley, Tamara and Lanyon, Janet M. (2009). Reproductive hormone monitoring of captive dugongs. Australasian Regional Association of Zoological Parks and Aquaria (ARAZPA) Conference, Gold Coast, Australia, 22-26 March 2009. Sydney, Australia: ARAZPA Qld Division.
Lanyon, Janet M., Sneath, Helen L., Blyde, David, Long, Trevor and Bonde, Robert (2009). Physiological response of wild dugongs (Dugong dugon) to sampling for health assessment. Australasian Regional Association of Zoological Parks and Aquaria Conference (ARAZPA, 2009), Gold Coast, QLD, Australia, 22- 26 March 2009. Sydney, Australia: Australasian Regional Association of Zoological Parks and Aquaria.
McMaster, S., Lanyon, J. M., O'Neil, J. M. and Limpus, C. (2003). Interactions between Lyngbya majuscula and green turtles (Chelonia mydas) in Moreton Bay, Australia. Marine Biocomplexity: The 2003 Annual Conference of the Australian Marine Sciences Association, University of Queensland, Brisbane, Queensland, 9 - 11 July 2003. Brisbane, Australia: Australian Marine Sciences Association.
Burgess, E., Booth, D. T. and Lanyon, J. M. (2003). The effect of incubation temperature on morphology and swimming performance of the green sea turtle hatchling. 22nd Annual Symposium on Sea Turtle Biology and Conservation, Miami, Florida, USA, 4 - 7 April 2002. Miami, Florida, USA: NOAA Technical Memorandum.
Data Collection
McGowan, Alexandra, Seddon, Jenny, McMichael, Lee, Lanyon, Janet, McCarthy, Morgan Lee and Ooi, Vicky (2023). Dugong Microsatellite and SNP Genotypes. The University of Queensland. (Dataset) doi: 10.48610/6735890
Department Technical Report
Marsh, Helene , Corkeron, Peter , Lawler, Ivan R., Lanyon, Janet M. and Preen, Anthony R. (1996). The status of the dugong in the northern Great Barrier Reef Marine Park. . Research publication , 41. Great Barrier Reef Marine Park Authority.