Dr Ryan Witt

Dr Ryan Witt

Conjoint Lecturer

School of Environmental and Life Sciences (Environmental Science and Management)

Career Summary

Biography

Ryan Witt is a wildlife conservation scientist specialising in marsupial reproduction, reproductive technologies and marsupial ecology. As a Novocastrian, Ryan has a passion and interest in developing local and regional conservation projects for at-risk marsupial populations in the Hunter Region. He aims to deliver grassroots conservation research of national and international benefit. 

            Ryan completed a Bachelor of Social Science (Recreation and Tourism) in 2008, a Bachelor of Environmental Science and Management (1stClass Honours, Faculty Medal and University Medal) in 2013 and a PhD (Advances in oestrous synchronisation technology for assisted breeding in marsupials) in 2018 at the University of Newcastle. 

            Currently a Conjoint Lecturer and supervisor for a PhD student in the Conservation Biology Research Group at the University of Newcastle, Ryan is an early career FAUNA Research Alliance leader/member and also holds a University Colour for his longstanding contribution to University of Newcastle Tennis.

Research Interests and Expertise

Ryan is passionate about koala and marsupial rehabilitation and conservation (assisted reproduction/captive breeding and population monitoring and management). Throughout his doctorate Ryan trained and developed expertise in applied conservation research. His main focus was on marsupial reproduction, developing new techniques to improve breed and release programs for the genetic management of threatened populations. His experience in the field as a research ecologist includes conducting surveys on eastern grey kangaroo (observation, immobilization, capture and veterinary procedures), as well as quantifying habitat and monitoring green and golden bell frogs on Ash Island. Ryan has also surveyed possum, glider and koala populations on the Central Coast, Newcastle and Port Stephens.

Ryan’s PhD focus was central to a key problem in marsupial breeding programs – the inability to reliably and accurately time ovulation. This problem occurs in marsupials due to two factors (1) most marsupials ovulate spontaneously, and (2) the marsupial corpus luteum – the organ responsible supporting pregnancy – becomes independent of hypothalamic-pituitary support after formation, and thus eutherian based technologies of oestrous synchronisation designed to disrupt the life of the corpus-luteum have failed in marsupials. Ryan’s research progressed oestrous synchronisation technology in marsupials by using a GnRH agonist and exogenous FSH and LH hormones to regulate the oestrous cycle with the aim of predicting ovulation. By advancing this technology, Ryan’s research has paved the way for non-invasive trials to be conducted. His work is an essential component of assisted reproduction required to establish marsupial artificial insemination programs for conservation management.

            In January 2018, Ryan delivered a status update on marsupial assisted reproduction at the 2018 Companion Animals Non-Domestic and Endangered Species (CANDES) symposium, the annual premiere meeting in the area of assisted breeding for non-domestic animals held at the International Embryo Technology Society (IETS) Conference. This paper and conference presentation (Witt& Rodger 2018) addressed the international audience with up-to-date tools and technologies used to monitor and manipulate marsupial oestrous for conservation breeding (Witt and Rodger 2018).

            Ryan is dedicated to developing a conservation research project to ensure the regions key koala population remains functional. This will ensure future generations of people, both local and tourists, will have the opportunity to experience what it’s like to see a koala in the wild throughout the Hunter region.

Teaching Expertise

Ryan is a connections and workshop expert and since 2013 has delivered workshops specialising in connecting leading environmental industry practitioners, and professional organisations positioned within the Hunter Region, with final semester Environmental Science and Management students. This is done through his developing and teaching, the capstone course ENVS3002 – Environmental Management perspectives [formerly Applied Environmental Science]. He is now developing the new blended learning modules – a flipped class room model – for ENVS3002. This course seeks to prepare the students for the all-important next step post-graduation– becoming an effective environmental professional. 

Ryan’s teaching duties have included the preparation and delivery of lectures, tutorials, running practical classes such as laboratories, field trips and workshops, and course coordination roles. Ryan excels in teaching workshops and flipped format courses and engaging external practitioners with student learning outcomes. Ryan has also assisted in teaching a range of courses across all year levels in the Bachelor of Environmental Science and Management and the Bachelor of Science Program. These include: BIOL1003 – Professional Skills for the Biological Sciences; ENVS1000 – Environmental Sustainability Explained; SCIE1001 – Professional Scientific Thinking; ENVS2005 –Management of Australian Flora; SRMT3060 – Restoration Ecology; ENVS3001 – Integrated Impact Assessment; and, ENVS3002 – Environmental Management Perspectives (Formerly Applied Environmental Science). 

Contribution to University of Newcastle Sport

Ryan was awarded a University Colour in the Sport of Tennis for his administrative contribution to the development and maintenance of the University of Newcastle Tennis Club (http://uontennisclub.org.au) between 2011 and 2018. 

Colours are awarded to those that have made an outstanding contribution to the organisation and administration of University sport over a period of not less than three full years. This is a highly prized award which recognises protracted contribution to University sport above and beyond the diligent completion of administrative responsibilities of elected or appointed office.


Qualifications

  • Doctor of Philosophy, University of Newcastle
  • Bachelor of Social Science (Recreation & Tourism), University of Newcastle
  • Bachelor of Environmental Science and Management, University of Newcastle

Keywords

  • Applied Conservation
  • Koala
  • Marsupials
  • Reproduction
  • Wildlife Ecology
  • Wildlife Management
  • Wildlife Monitoring

Languages

  • English (Mother)

Fields of Research

Code Description Percentage
050202 Conservation and Biodiversity 40
050211 Wildlife and Habitat Management 30
070206 Animal Reproduction 30

Professional Experience

UON Appointment

Title Organisation / Department
Casual Academic University of Newcastle
School of Environmental and Life Sciences
Australia
Casual Academic University of Newcastle
Centre for English Language and Foundation Studies
Australia

Academic appointment

Dates Title Organisation / Department
29/01/2019 -  Conjoint Lecturer School of Environmental and Life Sciences, University of Newcastle
Australia

Awards

Award

Year Award
2017 University Colour (Tennis)
NUSport Board
2014 Faculty Medal 2013
Faculty of Science and IT, University of Newcastle
2014 University Medal in Environmental Science & Management 2013
Faculty of Science and IT, University of Newcastle

Teaching

Code Course Role Duration
ENVS2005 Management of Australian Flora
School of Environmental and Life Sciences, Faculty of Science, The university of Newcastle, Australia
Laboratory Demonstrator 24/07/2017 - 1/11/2019
SCIE1001 Professional Scientific Thinking
School of Environmental and Life Sciences, University of Newcastle
Workshop Demonstrator (Flipped Classroom) 25/02/2019 - 7/06/2019
BIOL1003 Professional Skills for the Biological Sciences
Faculty of Science | University of Newcastle
Laboratory Demonstrator 30/07/2018 - 9/11/2018
ENVS3001 Integrated Impact Assessment
School of Environmental and Life Sciences, Faculty of Science, The university of Newcastle, Australia
Tutor 27/02/2017 - 2/06/2017
ENVS1000 Environmental Sustainability Explained
School of Environmental and Life Sciences, Faculty of Science, The university of Newcastle, Australia
Online Tutor 25/02/2019 - 7/06/2019
SRMT3060 Restoration Ecology
School of Environmental and Life Sciences, Faculty of Science, The university of Newcastle, Australia
Laboratory and Field Demonstrator 25/02/2019 - 7/06/2019
ENVS3002 Environmental Management Perspectives
School of Environmental and Life Sciences, Faculty of Science, The university of Newcastle, Australia

Formerly known as ENVS3002 - Applied Environmental Science

Various Duties: Blended Learning Developer; Flipped Workshop Developer/Facilitator; Co-ordinator (Shared); Industry Engagement and Field Trip Organiser; Tutor 29/07/2013 - 8/11/2019
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Publications

For publications that are currently unpublished or in-press, details are shown in italics.


Journal article (5 outputs)

Year Citation Altmetrics Link
2019 Hayward MW, Callen A, Allen BL, Ballard G, Broekhuis F, Bugir C, et al., 'Deconstructing compassionate conservation.', Conserv Biol, 33 760-768 (2019) [C1]
DOI 10.1111/cobi.13366
Co-authors Rose Upton Uon, John Clulow, Alex Callen, Matthew Hayward, Andrea Griffin, Simon Clulow
2018 Witt RR, Hinds LA, Rodger JC, 'Delayed return to estrus following treatment with the gonadotrophin-releasing hormone agonist, Lucrin® Depot, in the tammar wallaby.', Theriogenology, 115 108-116 (2018) [C1]
DOI 10.1016/j.theriogenology.2018.04.029
Co-authors John Rodger
2018 Witt RR, Rodger JJ, Rodger JC, 'Breeding in the fat-tailed dunnart following ovarian suppression with the gonadotrophin-releasing hormone agonist Lucrin® Depot', Reproduction, Fertility and Development, 30 507-518 (2018) [C1]
DOI 10.1071/RD16518
Citations Scopus - 2Web of Science - 2
Co-authors John Rodger
2018 Witt RR, Rodger JC, 'Recent advances in tools and technologies for monitoring and controlling ovarian activity in marsupials', Theriogenology, 109 58-69 (2018) [C1]
DOI 10.1016/j.theriogenology.2017.12.006
Citations Scopus - 1Web of Science - 1
Co-authors John Rodger
2016 Witt RR, Forbes IR, Mcbain J, Rodger JC, 'Ovarian suppression in a marsupial following single treatment with a gonadotrophin-releasing hormone agonist in microspheres', Reproduction, Fertility and Development, 28 1964-1973 (2016) [C1]

© The Authors 2016. The effect of treatment with Lucrin Depot (1 month), a microsphere gonadotrophin-releasing hormone agonist preparation, was investigated in the fat-tailed dunn... [more]

© The Authors 2016. The effect of treatment with Lucrin Depot (1 month), a microsphere gonadotrophin-releasing hormone agonist preparation, was investigated in the fat-tailed dunnart (Sminthopsis crassicaudata) as a potential strategy to synchronise cycling. The status of the ovaries (ovarian size, number and size of Graafian follicles and corpora lutea) and reproductive tract (weight, vascularity and muscularity) in twelve untreated females were assessed to establish the activity parameters for randomly selected cycling animals. Thirty-six females were treated with 1mgkg-1 (n=12), 10mgkg-1 (n=12) or 20mgkg-1 (n=12) Lucrin Depot. At 4, 6 and 8 weeks the reproductive tracts were assessed using the criteria developed in the untreated females. All of the females treated with 10mgkg-1 showed suppression at 4 weeks and 25% showed return of reproductive activity at 8 weeks. A dose of 1mgkg-1 did not appear to suppress reproductive activity and 20mgkg-1 gave equivocal results, with evidence of both suppression and activity. The results indicate that Lucrin Depot appears to be a promising agent to regulate and potentially synchronise breeding activity in the fat-tailed dunnart.

DOI 10.1071/RD14423
Citations Scopus - 3Web of Science - 3
Co-authors John Rodger
Show 2 more journal articles
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Grants and Funding

Summary

Number of grants 3
Total funding $18,300

Click on a grant title below to expand the full details for that specific grant.


20171 grants / $4,800

Development of an oestrous synchronisation method for assisted breeding and recovery of threatened rock-wallabies$4,800

Funding body: Equity Trustees Limited

Funding body Equity Trustees Limited
Project Team

John Rodger; Ryan Witt

Scheme Holsworth Wildlife Research Endowment grant
Role Investigator
Funding Start 2017
Funding Finish 2017
GNo
Type Of Funding C3120 - Aust Philanthropy
Category 3120
UON N

20161 grants / $7,500

Developing artificial insemination technology for the recovery and genetic management of threatened and endangered rock wallabies$7,500

Funding body: Equity Trustees Limited

Funding body Equity Trustees Limited
Project Team

John Rodger; Ryan Witt

Scheme Holsworth Wildlife Research Endowment grant
Role Investigator
Funding Start 2016
Funding Finish 2016
GNo
Type Of Funding C3120 - Aust Philanthropy
Category 3120
UON N

20151 grants / $6,000

Developing artificial insemination technology for the recovery and genetic management of threatened and endangered rock wallabies$6,000

Funding body: Equity Trustees Limited

Funding body Equity Trustees Limited
Project Team

John Rodger; Ryan Witt

Scheme Holsworth Wildlife Research Endowment grant
Role Investigator
Funding Start 2015
Funding Finish 2015
GNo
Type Of Funding C3120 - Aust Philanthropy
Category 3120
UON N
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Research Supervision

Number of supervisions

Completed0
Current1

Current Supervision

Commenced Level of Study Research Title Program Supervisor Type
2017 PhD Conservation Biology and Public Policy PhD (Environmental Sc), Faculty of Science, The University of Newcastle Co-Supervisor
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Research Opportunities

Securing koalas in Port Stephens

The Port Stephens koala population is one of the most significant southerly koala populations remaining in peri-urban coastal habitat in New South Wales. Current predictions by the WWF estimate that koalas in NSW may go extinct by 2050. The Conservation Biology Research Group, Dr. Ryan Witt, Chad Beranek and Assoc. Prof. John Clulow are looking for a team of three honours students to deliver critical baseline koala research projects for the Port Stephens Koala Population in 2020. You will have the opportunity to be a part of an experienced field and research team and develop key skills in koala and arboreal mammal ecology. You will also gain experience in using a variety of techniques to quantify arboreal mammal populations, some of these techniques being newly implemented, such as drones with infrared cameras. 1. Spotlight counts for estimating koala presence/density on the Tilligerry Peninsula – a historical comparison. 2. Identification and assessment of potential breeding habitat and population size at four sites in Port Stephens. 3. Ground truthing a method simulation to determine which field technique (drone, SAT, spot-lighting) accurately determines koala density. We are seeking students that demonstrate a good work ethic and are willing to conduct many hours of field work. These projects will require liaising with multiple stake holders, including the general community, local council, state government and koala caring organisations, and therefore strong communication skills and demonstration of community engagement experience are sought after. If you are interested and thinking about honours, we’d love to hear from you!

Honours

School of Environmental and Life Sciences

22/08/2019 - 31/12/2021

Contact

Doctor Ryan Witt
University of Newcastle
School of Environmental and Life Sciences
ryan.witt@newcastle.edu.au

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Research Collaborations

The map is a representation of a researchers co-authorship with collaborators across the globe. The map displays the number of publications against a country, where there is at least one co-author based in that country. Data is sourced from the University of Newcastle research publication management system (NURO) and may not fully represent the authors complete body of work.

Country Count of Publications
Australia 5
United Kingdom 1
Mexico 1
Namibia 1
Panama 1
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Dr Ryan Witt

Positions

Conjoint Lecturer
Conservation Biology Research Group
School of Environmental and Life Sciences
Faculty of Science

Casual Academic
Conservation Biology Research Group
School of Environmental and Life Sciences
Faculty of Science

Casual Academic
Conservation Biology Research Group
School of Environmental and Life Sciences
Faculty of Science

Casual Academic
Conservation Biology Research Group
School of Environmental and Life Sciences
Faculty of Science

Casual Academic
Conservation Biology Research Group
School of Environmental and Life Sciences
Faculty of Science

Casual Academic
Conservation Biology Research Group
Centre for English Language and Foundation Studies
Academic Division

Focus area

Environmental Science and Management

Contact Details

Email ryan.witt@newcastle.edu.au
Mobile +61421606222
Links Research Networks
Personal webpage

Office

Room BLG10
Building Biology Building
Location Callaghan
University Drive
Callaghan, NSW 2308
Australia
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