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Discovering Tasmania’s Eucalypts – March 4 2014 at 8.00pm


DISCOVERING TASMANIA’S EUCALYPTS  presented by

Professor Brad Potts
School of Biological Sciences,
University of Tasmania

March 4 2014 in The Royal Society Room at 8.00 pm following the AGM at 7.30 pm

While representing only 30 of the more than 700 eucalypt species, the Tasmanian eucalypts have a unique place in the history and science of this iconic Australian genus. They include species of global significance such as the tallest flowering plant and the widely grown Tasmanian blue gum. The University of Tasmania has a long history of internationally recognized research in eucalypt genetics. The first major study of eucalypt chromosomes was undertaken in the 1930s, the first DNA study in the early 1990s and scientists are now exploiting whole genome sequences. This talk overviews the scientific discovery of the Tasmanian eucalypts from the early explorers to the unprecedented insights now being provided by modern genetics.

Brad Potts is the Professor of Forest Genetics in the School of Biological Sciences (Plant Science) at the University of Tasmania. He specializes in eucalypt genetics, with his research spanning diverse fields from tree breeding, evolutionary biology to community genetics. The Tasmanian eucalypts have been a focus of his research and with students and colleagues he has published over 200 scientific papers, exploring the genetics and the evolutionary processes that have shaped the island’s eucalypt flora.

 

 

Potts and Reid Proc Roy Soc Tas 2003

The Politics of Insanity – Dr Eric Ratcliff – 23 February 2014


Dr Eric Ratcliff will present The Politics of Insanity.

in the Meeting Room, QVMAG at Inveresk
2.00 pm Sunday 23rd February 2014
Admission: $5 General Public, $3 Friends of the Museum, $2 Students
Free for members of the Royal Society of Tasmania

To assist us with the organization of this event
RSVP by Thursday 20th February 2014:
Email bookings@qvmag.tas.gov.au or telephone 6323 3798

Controversies within the profession of psychiatry have re-entered the public domain, locally with the impending proclamation of a new Mental Health Act in Tasmania, and globally with the publication last year of DSM-5, the fifth edition of the Diagnostic and Statistical Manual of Mental Disorders of the American Psychiatric Association. When mankind gives a name to anything, it tends to fix and change perceptions of it, and these may have unintended consequences. The address will consider issues surrounding diagnosis in psychiatry, including the effects of developing an influential document. It will also consider the place of medications in the treatment of mental disorders, and public and professional concerns surrounding the marketing of these by powerful pharmaceutical companies increasingly driven by commercial rather than ethical motivations.

Dr Ratcliff was born in Launceston and educated at Launceston High School, the University of Tasmania and the University of Queensland, where he graduated in medicine in 1964.
He has been engaged in the practice of psychiatry since 1967, and became a Member of the ANZ College of Psychiatrists in 1976 and a Fellow of the Royal Australian and New Zealand College of Psychiatrists in 1981. He worked in public practice in Tasmania and Victoria, becoming clinical director of the mental health service based in Launceston before moving in 1985 to private practice in general adult and forensic psychiatry.
He has served as a member of General Council of the RANZCP for a total of 15 years, and chaired its committees concerned with appropriate practice and professional ethics for eight years. He was awarded the College Medal of Honour in 2006.
He has not been able to find time to retire, but in his spare time he is an architectural historian, and his major work, a history of building and architecture in Tasmania from Aboriginal times to 1914, is to published later this

SPECIAL LECTURE February 4 2014 How warm is the water? or How much warm water?


Dr Jan Zika was the Royal Society Doctoral Award winner in 2011. He will be in Hobart in February and has offered to give a special lecture for members on TUESDAY 4 FEBRUARY 2014 at 8.00 pm in the Royal Society Room, Customs House Building, 17 Davey St. Hobart

How warm is the water? or How much warm water?
Perspective matters when exploring the deep ocean.

 

Dr Jan Zika
The University of Southampton, National Oceanography Centre, UK

Abstract

What physical mechanisms set the deep ocean circulation? How will it respond if the atmosphere becomes warmer and windier? How does water constrain the response of the climate to warming and how can we use the ocean to detect this response?
In any thermodynamic problem the mere choice of coordinate system can be potent and far-reaching. In 1824 Carnot wanted to understand how exchanges of heat and entropy affected a steam engine. So, he distilled the problem into a diagram with temperature as one axis and entropy as the other. This simple step led to what is now known as the Carnot Cycle and from it the general understanding of the bounds on the efficiency of all heat engines. When approaching the problem of the ocean’s thermohaline circulation (thermo meaning heat and haline meaning salt) we did so with a simple quantitative diagram with heat as one axis and salt as the other. This simple change of perspective has led to dramatic insights into the way the ocean works and how we measure it.

In this talk I will introduce the novel framework developed during and beyond my PhD and will show how this approach is helping us to disentangle some of the key questions outlined above.

Biography

In 2005 Jan completed a combined Mathematics/Physics degree at the University of Tasmania with 1st class Honours in Astrophysics. From 2006 till 2009 Jan undertook a PhD through the University of New South Wales, and CSIRO Marine and Atmospheric Laboratories in Hobart, Tasmania. As his Thesis, Jan developed a new inverse technique for estimating rates of vertical and lateral diffusion in the global ocean.

From 2009-2011 Jan undertook a Postdoctoral Research Fellowship in Grenoble, France and in 2011-2012 Jan was a Research Fellow at the Climate Change Research Centre at the University of New South Wales in Sydney Australia. His emphasis there moved towards new and innovative methods for understanding the global climate system and change.

From 2012 Jan has been a NERC Research Fellow at the University of Southampton, National Oceanography Centre. There he works with a range of students, post-doctoral fellows and other collaborators on climate related problems with a focus on the ocean’s water masses, their origins and fate.

The Long Road Back from the Edge of Extinction by Robin Walpole [full text of presentation]


 

Firstly – let me put our current situation into context and say that this isn’t the first time Tasmanian Railways have nearly died – it is the third.

And Secondly – the jury is still out on the Long Term Survival aspect of the current re-capitalisation.

The Tasmanian Railway Dilemma:

Because of the small size of the market – the small population, the small tonnages on offer and the relatively small distances, railways in Tasmania have always struggled.

This is again not helped by the fact that Tasmanian is the most mountainous state of Australia – making construction and on-going infrastructure maintenance expensive.

Tasmanian has a total population of 512,000.

The current Tasrail operational system consists of 642 route km of single track.

The longest container route haul of Hobart to Burnie is 360 km.

We currently carry 2.5 million nett tonnes of freight for 366 m nett tonne km – and no passengers.

By comparison:

  • Kiwi Rail – the system most like us in the region has 4000 route km and 4,000 million nett tonne km.
  • Generally accepted minimum container route haul – 600 km (Auckland to Christchurch, Melbourne to Sydney, Brisbane to Rockhampton).

Where we have come from:

The first railways in Tasmania were built and operated by private companies.

  • The Launceston and Deloraine – a 5 ft 3 in gauge railway of 1871.
  • The Tasmanian Mainline Railway Company – a 3 ft 6 in railway of 1876 from Hobart to Launceston.

Both of these companies encountered financial difficulties with the Tasmanian government taking over the L & D in 1872 and the TMR in 1890.

The second failure is not necessarily popularly seen as such. However when the Whitlam government offered to take over the Tasmanian Government Railway (TGR) system, the system was deeply in debt and extremely run down, both from a rollingstock and a track and bridges infrastructure point of view.

The Commonwealth Government via its Australian National Railways Commission invested in more modern and efficient locomotives and resleepered and rerailed much of the key network. A number of major deviations were constructed and the rail in the key network was welded into continuous lengths.

In the effort to drive value for money, maximum use was made of part/worn materials from other Australian systems. Some of the compromises associated with the second hand rollingstock and material were to come back later to haunt the current management.

With the privatisation of AN in 1998 to the foreign owned consortium of Australian Transport Network (ATN), some recapitilisation continued. This new owner further emphasised the AN preference for North American railroad management and operations, the introduction of second hand EMD locomotives and a move to 18 tal on the core network.

International business far remote from Australia dictated the ultimate destiny of ATN as various companies rationalised, merged, failed or were sold off.

Finally ownership returned to “local” hands with the Toll Group’s Pacific National division acquired operational ownership in 2004.

Notable events in the PN years were the purchase of the Emu Bay Railway and the purchase of the refurbished MKA Class locomotives.

The business under PN struggled to generate sufficient funds to pay for its on-going infrastructure maintenance. This generated a downward spiral where differed maintenance impacted on reliability which in turn drove down traffic levels.

A series of derailments – at one point – more than once a week – sucked customer confidence and drove up operational costs.

PN had had enough and wanted out. Even this wasn’t easy as the Tasmanian government took some time to come to a decision.

The Concept of the Owner of Last Resort:

Again the railway was in a state of serious disrepair and another recapitalization would be necessary.

From 1978 until 2005, the Tasmanian government largely ignored the railway and it took some time for them to again relearn the concept of “Owner of Last Resort”.

It doesn’t matter who owns it, if you are the responsible government and you allow the railway to collapse, then there are serious financial and economic dis-benefits to the local economy – especially to the on-going maintenance costs of the parallel highway system.

Unfortunately, Tasmania was – as usual – rather cash strapped.

But there are always consequences. Our highway system is now still struggling to recover from the damage inflicted by the closedown of PN services.

A quick summary of the problems:

In using the phrase “condemned”, “life expired” or “in urgent need of repair”, the term when applied to the Tasmanian railway network generally described a condition that is well beyond normally accepted “condemnation” levels.

Bridges:

One major and several other medium sized timber bridges in urgent need of repair.

Transoms on all bridges seriously life expired.

Four major non-timber bridges in urgent need of replacement.

Rail wear:

Rail wear exceeded the normally accepted understanding of Rail Wear Condemn Limits. Derailments were occurring due to excessive rail wear.

Track:

  • Little ballast – especially on the shoulders – and the track is largely steel sleepers on Continuous Welded Rail that needs shoulder ballast.
  • A remaining high proportion of timber sleepers in the network – nearly all life expired.
  • Many early steel sleepers failing or failed.
  • Interspersed timber and various steel sleeper types causing formation pumping due to uneven track stiffness.
  • Poor formation – largely uncompacted original in-situ material – poorly drained.

Level Crossings:

  • Most level crossings life expired. Both track and road surface.
  • Level crossing protections systems life expired.

Drainage and Vegetation Control:

  • Side drainage blocked or non-existent
  • Vegetation cleared by passing traffic. Trees falling across the track a regular occurrence.

Staff and Contractor skills:

  • No in-house technical expertise – in engineering or railway engineering
  • All corporate engineering knowledge effectively lost
  • Residual staff competent but technically isolated
  • Local Contractors – mainly road based, with little railway understanding
  • Specialist railway contractors – mainland imports working on a fly in fly out basis – often with very little understanding of the special needs of a lightly built marginal narrow gauge railway.

Maintenance Access:

  • No road or vehicle track access. All access  for track maintenance by hi-rail vehicle

Past Compromises: The good intentions of the AN years now complicate matters:

AN acquired and transferred to Tasrail a vast quantity of rail and steel sleepers off the North Australia railway with its closure in 1976. The 80 CR rail was originally off the Trans Australia Railway and was rolled by varying manufacturers in 1913 – 1915.

Rail:

The 80 CR rail is generally a poorer quality steel. It doesn’t perform nearly as well as the lighter 1940/50s 63 lb TGR rail. Wearability, rail breaks and web collapse.

Sleepers:

  • Interspersed sleepers – a random interspersed pattern of timber and 3 different types of steel sleeper – resulted in variable track stiffness and inevitably to a pumping track/formation.
  • The NA sleepers are 6 mm tight for gauge in 1067 mm gauge track. Many were placed in tight radius curves with heavily side worn rail. (Nominal gauge 1067 mm + 12 mm). When the rail in the curves is replaced without resleepering – the curve is nominally 18 mm tight.  This results in higher levels of both wheel and rail wear.

 And Tasrail is Re-born – in December 2009:

The Tasmanian government resumed responsibility for the network in 2009 and together with extensive Commonwealth funding, set about rebuilding the network.

A new wholly Tasmanian government owned private company has been set up to manage the railway network.

So far the task list is as follows:

  •  Bridges replaced or upgraded – 38
  • Bridge transoms replaced – 5,000
  • Replaced sleepers – 300,000
  • New rail – 52 km
  • Welds – 5000
  • Ballast – 62,000 tonnes
  • Level crossings equipment upgrades – 124
  • Replaced and/or repaired 4 major culverts.
  • 3 major slips

2013

This year Tasrail will replace 4 major bridges and install 60 km of concrete sleepers in the critical sections of the Brighton to Burnie corridor.

We have been fortunate in being able to access concrete sleepers and part/worn 47 kg rail at a reasonable price.

Drainage and vegetation is under control. The track is stabilising and the Track Condition is improving and the Temporary Speed Restrictions are reducing.

The first of our new locomotives and wagons will arrive. A momentous occasion for Rollingstock – the first new locomotives in Tasmania since the last of the ZA Class in 1976.

We are back to a normally functioning railway – but it is still a Work in Progress.

New Rollingstock:

Our current locomotive and wagon fleet is 40 years old and made up of historic TGR stock and second-hand stock from other Australian railways, including Standard Gauge railways.

While the infrastructure work was primarily funded by Commonwealth monies, the Tasmanian Government has been largely responsible for funding the “above” rail portion.

  • Hi-rail maintenance trucks – 15
  • Tamping machine and Regulator – 1 +1
  • Wagons
  • Locomotives – 17

Remaining Challenges:

  • The extensive system of 100 m reverse curves.
  • The 1 in 40 grades – mainly associated with 100 m radius curves.
  • 200 track km of life expired 80 CR rail

The Future:

The present doesn’t ensure the future. And without sufficient investment funding – there will be no future. Our current tonnage – and the current prospects for tonnage, makes financial re-investment in infrastructure problematical. The par dyne has not changed. We can cover our short-term maintenance costs and with traffic growth – probably our full maintenance cycle costs.

We cannot rely on container traffic alone.  We have two important small bulk traffics – cement from Railton to Devonport and mineral concentrates from the West Coast mines. The prospect for growth in the West Coast mines is good – but unlikely to exceed 2 m Nt.

Coal – the original railway commodity – there are good prospects of modest export tonnages.

This leaves investment by Infrastructure Australia. We are quietly confident of funding under NB2 to complete the concrete resleepering and rerailing from Brighton to Burnie.

While we are fighting – and fighting with a substantial chance – the jury is still out on the long term survival of Tasmanian Railways.

From spiny ant-eater to promiscuous spiky baby killer: an incomplete natural history of echidnas – December 3 2013


Christmas Lecture and Dinner

Associate Professor Stewart Nicol will present “From spiny ant-eater to promiscuous spiky baby killer: an incomplete natural history of echidnas.”

Biography

Associate Professor Stewart Nicol is an Honorary Research Associate with the School of Zoology at the University of Tasmania. After many years in the School of the Medicine, which included a period as Deputy Head of School and Associate Head of Medical Sciences, he transferred to the School of Zoology at the beginning of 2007. Although he formally retired at the end of 2012, he continues with an active research program: Stewart is a world-renowned expert on the biology of the monotremes (the platypus and echidnas).

Tuesday December 3, CSIRO Theatrette, Castray Esplanade, Hobart at 6.00pm

The lecture starts at 6.00 pm followed by a buffet dinner in the CSIRO canteen at 7.30pm.  Guests may attend the lecture only at no charge, however for security reasons registration is required.  The cost of the dinner is $35.00 payable by Monday 18th November.  Please contact the office for further details

 

 

 

Delving into the Soil Carbon Black Box – November 24th 2013


Dr Leigh Sparrow, Senior Research Fellow in Soil Science, Tasmanian Institute of Agriculture, UTAS

will present  Delving into the Soil Carbon Black Box in the Meeting Room, QVMAG at Inveresk, 2.00 pm Sunday November 24th 2013

Abstract

By virtue of its cool temperate climate, Tasmania’s soils generally have high concentrations of carbon. Intensive farming, especially frequent cropping, causes carbon concentrations to decrease. Dr Sparrow will outline the principles which govern the amount of carbon expected for any particular combination of soil, climate and farming system, and show how these apply to current Tasmanian situations. The data provide cause for concern about sustainable farming and carbon sequestration in soil, but there is also some good news.

Biography

Dr Sparrow is a Senior Research Fellow in Soil Science with the Tasmanian Institute of Agriculture, University of Tasmania. With a background in soil fertility, Dr Sparrow’s early career focused on soil testing and fertiliser management, but he has also studied heavy metal contamination, irrigation management and soil-borne diseases. His recent research includes modelling and measuring changes in soil carbon in different farming systems, with the aim of assessing the capacity of the soil to sustain agriculture. Implications for carbon storage in soil have also been evaluated.

Admission: $5 General Public, $3 Friends of the Museum, $2 Students
Free for members of the Royal Society of Tasmania

To assist us with the organization of this event
RSVP by Thursday 21st November 2013:
Email bookings@qvmag.tas.gov.au or telephone 6323 3798

 

The Long Road Back from the Edge of Extinction – the Tasmanian Railway dilemma.


Robin Walpole
Chief Engineer,
Tasrail, Launceston, Tasmania

will present

The Long Road Back from the Edge of Extinction – the Tasmanian Railway dilemma.

in the Meeting Room, QVMAG at Inveresk
2.00 pm Sunday October 27th 2013
Admission: $5 General Public, $3 Friends of the Museum, $2 Students
Free for members of the Royal Society of Tasmania

To assist us with the organization of this event
RSVP by Thursday 24th October 2013:
Email bookings@qvmag.tas.gov.au or telephone 6323 3798

Tasmanian Railways have had a chequered history. This illustrated talk will shed some light on the historical context of the third failure of Tasmanian railways and the challenges of its survival in today’s context. It will discuss the conditions that led to the railway’s failure, the concept of The Owner of Last Resort, the gradual reconstruction process, and some of the challenges in overcoming past compromises. Many interesting photographs will accompany this enlightening journey into Tasrail’s history.

Robin Walpole is currently the Chief Engineer of Tasrail and brings to the position extensive experience in railway infrastructure throughout Australia, SE Asia and Africa. Prior to coming to Tasrail he was working on the rehabilitation of Third World narrow gauge railways in Africa.

Science Education in Tasmania – a teacher’s perspective – 22 September, 2013


Science Education in Tasmania – a teacher’s perspective.

Presentation by Jane Hall-Dadson
QVMAG – Inveresk
Sunday 22 September at 2.00 pm

 

Jane Hall-Dadson  Advanced Skills Teacher, Mathematics Learning Area,  Launceston College, Tasmania  will present 

Science Education in Tasmania – a teacher’s perspective.

in the Meeting Room, QVMAG at Inveresk at 2.00 pm Sunday September 22nd 2013  

Admission: $5 General Public, $3 Friends of the Museum, $2 Students

Free for members of the Royal Society of Tasmania 

To assist us with the organization of this event

RSVP by Thursday 19th September 2013:

Email  bookings@qvmag.tas.gov.au  or  telephone  6323 3798

Good teaching requires a solid curriculum, engaging activities with relevance to real life and passionate, well- trained teachers, Jane Hall-Dadson says.

Ms Hall-Dadson will outline the recent history of changes in Tasmania’s Science curriculum, showing how students learn scientific concepts, develop scientific skills and understand applications of science in the real world citing innovative programs and inspiring student work.

She will also discuss strategies to enhance uptake of Science subjects beyond grade 10 . 

Jane Hall-Dadson began her career as a Medical Laboratory Scientist, working in private pathology, mainly in Medical Microbiology and Haematology/Serology. She completed teacher training  and became a Secondary Science & Mathematics teacher in 1997.

Her work has been recognised in numerous awards including a series of TSTS ANZAAS Science Teacher Awards, the Australian Academy of Science Teacher Award  and  the 2010 Australian Museum Eureka Prize for Science Teaching. Ms Hall- Dadson is Vice-president of the Science Teachers Association of Tasmania and represents Tasmania on the Council of the Australian Science Teachers Association.

Winter Lecture Series-Future proofing the food supply: food security and food innovation in Tasmania


Presentation by Chair: The Hon. Michael Field AC,

Sir Stanley Burbury Theatre, University of Tasmania, Sandy Bay

Tuesday, 16th July 2013 Commencing 7.30 pm until 9.00pm

Session Two: Food from the sea: the changing marine environment.

 

About the Speaker

1. Professor Colin Buxton, Director – Fisheries, Aquaculture and Coasts Centre, Institute for Marine and Antarctic Studies, University of Tasmania. 2. Professor Chris Carter, Aquaculture Program Leader, Fisheries, Aquaculture and Coasts Centre, Institute for Marine and Antarctic Studies, University of Tasmania. Chris Carter has worked in aquaculture research since his PhD on grass carp at London University and a Research Fellowship on salmon nutrition at Aberdeen University. His research ranges from understanding the nutritional physiology of aquatic animals to improving aquafeeds through ingredient development and better understanding nutrient requirements. He is currently Professor of Aquaculture Nutrition at IMAS having previously been Professor of Aquaculture and Head, School of Aquaculture, and the Aquaculture Program Leader for TAFI. 3. Dr Gretta Peclis a Fulbright Fellow and a Senior Research Fellow leading several projects within the Estuaries and Coasts Program at the Institute for Marine and Antarctic Studies. Her current research activity spans a range of topics including assessing population and fishery responses to climate change, developing and evaluating management adaptation options for fisheries, and on using citizen science approaches for ecological monitoring and engagement (e.g. www.REDMAP.org.au). She is one of several researchers building a virtual network connecting researchers from rapidly warming regions (Global Marine Hotspots Network) and the lead convenor of an international conference Species on the move: detection, impacts, prediction and adaptation planned for Hobart in February 2016.

 

Brief Abstract of the Talk

1. Sustainable marine fisheries. 2. Sustainable marine aquaculture. In the last 50 years marine aquaculture has evolved from small scale commercial experiments to be a mature industry supplying millions of people with seafood. Global aquaculture production comes from fresh and marine waters, it encompasses over 200 species, and production continues to increase at an incredible rate of around 10% per annum. This presentation aims to examine aspects of Tasmanian aquaculture and relate these to the future of national and global aquaculture. Emphasis will be on developing feeds and ingredients for sustainable aquaculture. 3. Our changing marine environment: Redmap and the contributions of citizen science. Over the next century, marine ecosystems off the coast of south-eastern Australia are expected to exhibit some of the largest climate-driven changes in the Southern Hemisphere, impacting both fisheries and conservation management. Major distributional shifts in marine species have already been recorded for several dozen taxa. Even though shifts in species distributions are one of the major responses to climate change recorded here (and globally), monitoring for species range-shifts at the necessary temporal and spatial scales is very challenging. However, observations made by the countless men and women spending time in their environment are rarely recorded, though the potential coverage is vast. As a function of the digital age, advances in our technological capacity have also radically improved the precision and accuracy with which many types of community reported information can now be recorded. REDMAP (Range Extension Database and Mapping project) is an online database and mapping resource allowing members of the public to submit and access observational data (including photographs) of marine species occurring outside their known distribution (i.e. species that may be undergoing range shifts).

BUXTON_Roy Soc Tas July 2013

Redmap Royal Society July 2013

Carter 2013 RST Sustainable Marine Aquaculture Public

Delving into the soil carbon black box – 24th November, 2013


Delving into the soil carbon black box

Presentation by Dr Leigh Sparrow
QVMAG
Sunday, 24th November 2013    Commencing 2.00 pm until

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