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Dr Steven Delean

Telephone +61 8 8313 8243
Position Lecturer
Email steven.delean@adelaide.edu.au
Fax +61 8 8313 6222
Building Benham Laboratories
Floor/Room 1 03
Campus North Terrace
Org Unit Ecology and Environmental Science

To link to this page, please use the following URL:
http://www.adelaide.edu.au/directory/steven.delean

Biography/ Background

Dr Steven Delean is an ARC Research Associate jointly affiliated with The Environment Institute and the Australian Centre for Evolutionary Biology and Biodiversity in the School of Earth & Environmental Sciences working with Professor Corey Bradshaw on population dynamics models of density regulation for predictions of extinction risk. Dr Delean is an ecological statistician, with interests in hierarchical/mixed-effects models for longitudinal ecological data, generalised linear and generalised additive models, capture-recapture models and survival analysis models, multivariate models, particularly ordination methods, and the philosophy of statistical inference in ecology.

Steve completed his Ph.D. in Ecological Statistics in the School of Earth and Environmental Sciences at James Cook University in 2007. Steve's thesis was entitled "Longitudinal population demography of the allied rock-wallaby, Petrogale assimilis".

Steve has also completed the coursework for a Masters in Applied Statistics in the School of Mathematics and Statistics at James Cook University, including: Advanced Biometry, Time Series and Spatial Analysis, Environmetrics (Maximum Likelihood and Generalised Linear Models), Statistical Computing, Multivariate Statistical Methods, and Quantitative Marine Ecology. Steve also completed a Graduate Diploma in Science (Environmental Science) from School of Earth and Environmental Sciences at James Cook University in 1993. Steve's undergraduate Biology degree was undertaken at Flinders University (1985-1988).

Steve was employed as a Biostatistician at the Australian Institute of Marine Science (AIMS) between 2000 and 2006. Between 1995 and 1999, he was the (part-time) Consulting Statistician in the School of Earth and Environmental Sciences at James Cook University, consulting with postgraduate students and staff in sampling and experimental design, and statistical analysis. Disciplines within the School included Biological Science, Environmental Science, Social Science (Human Geography), Physical Geography, and Spatial Analysis (GIS). Steve also lectured and demonstrated statistics in courses including: Biometrics, Managing Marine Wildlife, and Postgraduate Environmental Science, and conducted workshops in statistical methods and software (SPSS) for Honours students. In 1994, Steve was a Research Officer in the School of Earth and Environmental Sciences at James Cook University, supervised by Professor Helene Marsh. In this role he coordinated a small mammal capture-recapture research programme, and carried out data analysis for dugong population dynamics research. Also in 1994, Steve tutored in Biometrics in the School of Tropical Biology at James Cook University.

Steve has a strong interest in community-oriented open source computing environments, particularly the R statistical programming language, Python, GNU Emacs and Ubuntu Linux.

Publications

Refereed publications

  • Mellin C, Delean S, Caley J, Edgar G, Meekan M, Pitcher R, Przeslawski R, Williams A, & Bradshaw, C.J.A. (2011) Effectiveness of Biological Surrogates for Predicting Patterns of Marine Biodiversity: A Global Meta-Analysis PLoS ONE, 6 (6) DOI: 10.1371/journal.pone.0020141
  • Clark F, Brook BW, Delean S, Akçakaya HR and Bradshaw CJA (2010) The theta-logistic is unreliable for modelling most census data. Methods in Ecology and Evolution doi: 10.1111/j.2041-210X.2010.00029.x
  • Traill LW, Bradshaw CJA, Delean S, Brook BW (2010) Wetland conservation and sustainable use under global change: a tropical Australian case study using magpie geese. Ecography doi:10.1111/j.1600-0587.2009.06205.x
  • Delean S, De'ath G, and Marsh H (2009) Climate and maternal effects modify sex ratios in a weakly dimorphic marsupial. Behavioral Ecology and Sociobiology 64, 265-277 doi: 10.1007/s00265-009-0844-0.
  • Emslie MJ, Cheal AJ, Sweatman H, and Delean S (2008) Recovery from disturbance of coral and reef fish communities on the Great Barrier Reef, Australia. Marine Ecology Progress Series 371, 177-190.
  • Cheal AJ, Delean S, Sweatman H, and Thompson AA (2007) Spatial synchrony in coral reef fish populations and the influence of climate. Ecology 88, 158-169.
  • Hodgson AJ, Marsh H, Delean S, Marcus L (2007) Is attempting to change marine mammal behaviour a generic solution to the bycatch problem? A dugong case study. Animal Conservation 10, 263-273.
  • Poulsen A, Burns K, Lough J, Brinkman D, Delean S (2006) Trace analysis of hydrocarbons in coral cores from Saudi Arabia. Organic Geochemistry 37, 1913-1930.
  • Kwan D, Marsh H and Delean S (2006) Factors influencing the sustainability of customary dugong hunting by a remote indigenous community. Environmental Conservation 33, 164-171.
  • Codi-King S, Humphrey C, Klumpp DW and Delean S (2004) Barramundi as an indicator species for environmental monitoring in North Queensland, Australia: laboratory vs field studies. Environmental Toxicology and Chemistry 23, 2737-2744.
  • Marsh HD, Lawler IR, Kwan DM, Delean S, Pollock KH and Alldredge MR (2004) Dugong distribution and abundance in Torres Strait. Animal Conservation 7, 2-46.
  • Marsh HD, Lawler IR, Kwan DM, Delean S, Pollock KH and Alldredge MR (2004) Aerial surveys and the potential biological removal technique indicate that the Torres Strait dugong fishery is unsustainable. Animal Conservation 7, 435-443.
  • Chilvers BL, Delean S, Gales NJ, Holley DK, Lawler IR, Marsh H and Preen AR (2004) Diving Behaviour of dugongs, Dugong dugon. Journal of Experimental Marine Biology and Ecology 304, 203-224.
  • Ninio R, Delean S, Osborne K and Sweatman H (2003) Estimating cover of benthic organisms from underwater video images: variability associated with multiple observers. Marine Ecology Progress Series 265, 107-116.
  • Johnson PM and Delean S (2003) Reproduction of Lumhotltz’s tree kangaroo Dendrolagus lumholtzi Collett (Marsupialia: Macropodidae) in captivity, with age estimation and development of the pouch young. Wildlife Research 30, 505-512.
  • Cheal AJ, Coleman G, Delean S, Miller IR, Osborne K and Sweatman H (2002) Responses of coral and fish assemblages to a severe but short-lived tropical cyclone on the Great Barrier Reef, Australia. Coral Reefs 21, 131-142.
  • Johnson CN, Delean S and Balmford A (2002) Phylogeny and the selectivity of extinction in Australian marsupials. Animal Conservation 5, 135-142.
  • Johnson PM and Delean S (2002) Reproduction of the purple-necked rock-wallaby, Petrogale purpureicollis Le Souef 1924 (Marsupialia: Macropodidae), in captivity, with age estimation and development of the pouch young. Wildlife Research 29, 463-468.
  • Johnson PM and Delean S (2002) Development and age estimation of the pouch young of the black‑striped wallaby, Macropus dorsalis, with notes on reproduction. Australian Mammalogy 24, 193-198.
  • Johnson PM and Delean S (2001) Reproduction in the northern bettong, Bettongia tropica, Wakefield (Marsupialia: Potoroidae), in captivity, with age estimation and development of pouch young. Wildlife Research 28, 79-85.
  • Johnson PM and Delean S (1999) Reproduction in the Proserpine rock-wallaby, Petrogale persephone, Maynes (Marsupialia: Macropodidae), in captivity, with age estimation and development of pouch young. Wildlife Research 26, 631-639.
  • Johnson PM and Delean S (1997) Sex determination of the whiptail wallaby, Macropus parryi, using adult skulls. Australian Mammalogy 20, 425-426.

 

Technical reports

  • Delean S and De'ath G (2008) Spatial and temporal patterns of indicators of reef health on the Great Barrier Reef. Marine and Tropical Sciences Research Facility Research Report Series. Reef and Rainforest Research Centre Limited, Cairns (100 pp.).
  • Grayson J, Marsh H, Delean S, and Hagihara R (2008) Improving Knowledge of Dugong Life History Using Surrogate Data. Marine and Tropical Sciences Research Facility Research Report Series. Reef and Rainforest Research Centre Limited, Cairns (71 pp.).
  • Marsh H, Grech A, Hodgson A, and Delean S (2008) Distribution and abundance of the dugong in Gulf of Carpentaria waters: a basis for cross-jurisdictional conservation planning and management. Australian Centre for Applied Marine Mammal Science Final Report. Department of the Environment, Water, Heritage and the Arts (53 pp.).
  • Sweatman H, Thompson A, Delean S, Davidson J and Neale S (2007) Status of Near-Shore Reefs of the Great Barrier Reef 2004. Marine and Tropical Sciences Research Facility Research Report Series. Reef and Rainforest Research Centre Limited, Cairns (169 pp.).
  • Sweatman H, Burgess S, Cheal AJ, Coleman G, Delean S, Emslie MJ, Miller IR, Osborne K, McDonald A and Thompson AA (2005) Long-Term Monitoring of the Great Barrier Reef. Status Report Number 7. Australian Institute of Marine Science. CD-ROM.
  • Burns KA, Brinkman D, Poulsen A and Delean S (2004) Trace analysis of hydrocarbons in coral cores from Saudi Arabia [electronic resource]. CEW/AIMS 2003. Australian Institute of Marine Science. 324 p.
  • Miller IR, Coleman G, Delean S and Sweatman H (2004) Broadscale surveys of crown-of-thorns starfish along the Great Barrier Reef 1993-2003 Long-term Monitoring of the Great Barrier Reef 36. Australian Institute of Marine Science. 31 p.
  • Sweatman H, Abdo D, Burgess S, Cheal AJ, Coleman G, Delean S, Emslie MJ, Miller IR, Osborne K, Oxley WG, Page CM and Thompson AA (2004) Long-Term Monitoring of the Great Barrier Reef. Status Report Number 6. Australian Institute of Marine Science. CD-ROM.
  • Marsh H, Lawler IR, Kwan D, Delean S, Pollock K and Alldredge M (2004) Dugong distribution and abundance  in Torres Strait. Australian Fisheries Management Authority Torres Strait Research Program Final Report, Canberra, Australia.
  • Cheal AJ, Coleman G, Delean S, Fitzpatrick B, Miller IR, Osborne K, Page CM and Sweatman H (2002) Status of fringing reefs and options for long-term reef monitoring in the Northumberland Islands, southern Great Barrier Reef, Australia. AIMS Report No 33. Australian Institute of Marine Science. 49 p.
  • Sweatman H, Cheal A, Coleman G, Delean S, Fitzpatrick B, Miller I, Ninio R, Osborne K, Page C, Thompson A (2001) Long‑term monitoring of the Great Barrier Reef Status Report Number 5. Australian Institute of Marine Science. 106 p.
  • Marsh H, Delean S, Corkeron P, and De'ath G. (1996) Spatial and temporal variation in the distribution of dugongs in the Orman Reef Area of Torres Strait. Report to the Australian Fisheries Management Association.

 

Theses

  • Delean S (2007) Longitudinal population demography of the allied rock‑wallaby, Petrogale assimilis. PhD Thesis. James Cook University.

Entry last updated: Friday, 3 Jul 2015

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