Modelling: a glamorous new prospect? Don’t get excited yet.

Participants at the July 15 Bendigo information session on the Fire Operations Plan were briefed on the ‘Risk Landscapes’ project. This consists of running models of different fire scenarios and fuel reduction exercises through a computer to see how they would affect the two aims of human safety and ecological resilience.

The project uses a program called ‘Phoenix rapidfire’, and was proclaimed as the next big thing in 2011–though specific details of what it has achieved were markedly absent from Monday’s presentation.

It’s theoretically possible that if researchers put every available bit of relevant information about a particular piece of land into a computer, and ran various scenarios [about weather conditions, etc] through the program, they could simulate how damaging a bushfire would be. If they varied the information to make assumptions about how much fuel reduction had taken place in those parcels of land, they could see what effect this fuel reduction would have on a possible fire. They could use the same research approach to simulate how ecologically damaging a bushfire would be, and similarly, how much damage a fuel reduction exercise would be.

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FOBIF AGM

The Annual General Meeting of the Friends of the Box Ironbark Forests will be held at the Castlemaine Continuing Education Centre, Templeton St Castlemaine, at 7.30 pm on Monday August 12. Guest speaker Ian O’Halloran will speak on the land restoration project under way at Post Office Hill Chewton. This fascinating 22 hectare site between the Post Office and the railway line is full of surprises, and the work of the Post Office Hill Action Group is a model for groups anywhere wanting to give a little corner of the planet a better chance.

Ian O'Halloran talks to the POHAG troops at Post Office Hill: the area is of interest geologically, and for its signs of Aboriginal and gold era history, as well as for a surprising wealth of plant species.

Members wishing to stand for positions on the FOBIF committee should forward nominations signed by two members of the Friends to Box 322 Castlemaine before that date.

A section of PO Hill after the gorse groomer has been through, with new plantings in the background.

 


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Fire: how much information does the public need?

 As previewed in our July 2 Post, FOBIF members went to Bendigo on Monday night for an information session on the upcoming Fire Operations Plan. The draft plan will be made public on August 1.

Experience has taught us to expect this kind of session to be both informative and frustrating, and Monday was a good example.

Mount Alexander: habitat trees destroyed in a 'reduction burn' which was allowed to spread beyond its supposed boundaries in 2009. DEPI information on what exactly was achieved in this operation is not publicly available. Nor are DEPI assessments of other burns.

On the informative side, we were given a preview of planned burns for the next three years. We will review these in more detail when updated maps become available in August. New burns include a number of small [usually less than 15 ha] plots close to settlements. On the whole we do not oppose these operations: their safety function is usually clear, and the brutal fact is that ecological values are sacrificed to that end. We were also informed that the ‘Environment and Water’ team had reviewed 65 burns and recommended ‘mitigation measures’ [this seems to mean mainly putting in exclusion areas] in 54 of them. This last information is encouraging…but frustratingly vague, as illustrated by answers to the following questions:

Question: Is the information given to burn managers about ecological values publicly available?

Answer: No.

Question: The Code of Practice says that the Department ‘will make publicly accessible information about…how well bushfire management actions and strategies are achieving the two primary objectives for bushfire management on public land.’ [These objectives are human safety and ecological resilience.] Can we have this information about specific burns which we are concerned about?

Answer: No.

These answers are refreshingly frank. What they mean, however, is

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Fire Operations: how much information?

FOBIF and other groups have been invited to an information session in Bendigo on July 15 on the upcoming Fire Operations Plan.

We have accepted the invitation, but have asked that the meeting specifically address how past monitoring and research have influenced fire managers’ practice in management burns. This would be consistent with the Department’s Code of Practice, which stipulates that

‘The Department will aim to continually learn from and improve its practices and

acknowledges that a range of parties are interested in this…

‘The Department will make publicly accessible information about:

— the performance of its bushfire management actions, and the status of achievements of strategies and objectives

–information gained from monitoring and evaluation activities

— how well bushfire management actions and strategies are achieving the two primary objectives for bushfire management on public land.

‘Information from monitoring and evaluation will be made available in ways that

increases the capacity to interpret the information and apply it to their local

situation.’ [page 31]

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How wide should a bush track be?

FOBIF has once again questioned Parks Victoria about its track maintenance policy, after complaints from members about track works in the Fryers Flora Reserve and the Diggings Park. Complaints centred around the tonnes of blue metal put on some of the tracks, and the relentless widening of some roads.

Parks has advised us that recent works are mainly part of flood recovery works. The blue metal on the roads will be gradually packed into the surface. It’s visually not great, but may perform some useful function. More important is the fact that tracks seem to get wider every time work is done on them. This time, the work was done by contractors from Melbourne, who appear to have been given no briefing about how to handle road verges.

Near Tk: the apparently unanswerable question seems to be, how wide does a track need to be?

FOBIF has no problem with roads and tracks being maintained for important purposes, like fire management. Our problem is that over the years we have tried without success to get an answer to a very  simple question: what is the maximum width of a bush track? Given that we’ve measured some of them as wider than the Pyrenees Highway, it seems to be, Pretty Wide.

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Rubbish plague continues

It’s hard to put figures on the problem, but it seems that rubbish dumping on public land is increasing. The latest outrage is on the Doveton St extension in Kalimna Park, where a collection of mouldy armchairs has been deposited, in an exercise which can only be seen as thumbing the nose at Park managers. It’s clear that those who think of the bush as their private tip believe that there are so few rangers that the chances of their being caught are minimal.

Yeah, very funny: mouldy furniture dumped a hundred metres from houses in Kalimna Park--clear evidence that dumpers have no fear of being caught. Victoria's parks make millions for the state, but ranger numbers are being cut.

 

Parks Victoria is in the process of cutting ten percent of its workforce. This measure is surrounded by the usual double speak that accompanies service cut backs: we are told that ‘any staff with roles in critical service delivery functions’ will be ineligible for a redundancy package. This kind of comical jargon seems to suggest that before this year, ten per cent of Parks staff were sitting around doing nothing. In fact, it tells the public that staffing in research or education will continue to be savaged, because these functions are not ‘front line’: but it’s clear that with these cuts, even ‘front line’ rangers will go.

Here are some facts about Parks:

–A Senate enquiry in 2007 found that our reserves are drastically understaffed by world standards: ‘staffing numbers for protected area management in Australia are much lower than in other countries. The global mean staffing levels for protected areas is 27 people per 100,000 hectares, with an average of 26.9 people per 100,000 hectares in developed countries. At the time the IUCN report was released, only 6 people per 100,000 hectares were employed to manage the protected areas in Australia.

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Orchids, moths and gold

Striped Greenhood (Pterostylus striata). Photo by Noel Young

Twenty walkers led by Barbara Guerin and Lionel Jenkins took on a ten kilometre circuit around Crocodile Reservoir and Heron’s Reef for FOBIF’s June walk last Sunday.

Highlights included a couple of early orchid sightings—the area is a superb wildflower site in Spring — and exploration of a fascinating cultural landscape centred around water and gold.

Less gratifying was the sight of the bush clearly suffering from a new outbreak of cup moth damage, before it has had a chance to properly recover from the last bout of munching from this creature [see our Post].

Part of the FOBIF group looks down on the Crocodile Reservoir channel. The sparseness of the tree canopy is a symptom of cup moth damage.

This area is the source of many tales from gold rush days, including a classic about Golden Gully [part of the Heron’s Reef area], from the Mount Alexander Mail, 6 April 1855:

‘The finest and most complete nugget of solid gold ever found, has been taken out of an old hole in Golden Gully, Fryer’s Creek.  …it weighs 1022 ounces, and is worth about £4000, completely eclipsing all former nuggets.  It was found in an old pillar in 20 ft sinking, by two young men named Davis and Harris, who have only been out about eight months…  they had offered the hole in the morning for two ounces of gold, but could not sell it…  The owners of the nugget, out of courtesy to our worthy Commissioner, Mr Heron, named it the ‘Heron nugget’…  The place where it was found was turned over very hastily two or three years since, and…there are several pick-marks observable on the nugget…’

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Prospecting extension

The Victorian Environment Assessment Council has named areas in six National and State Parks where prospecting could be permitted. This is in addition to areas where this activity is already allowed—like State Forests and other tracts of public land (including Castlemaine Diggings NHP).

VEAC had no option but to recommend some extension of the areas available to prospectors [see our Post], but the impression you get from its very interesting Report is that the Council was extremely reluctant to oblige. It’s clear from the

Doug Ralph surveys prospector gouging in Dirty Dick's Gully. It's clear from the VEAC report that supervision and monitoring of prospecting is inadequate or non existent.

Report that prospecting does damage the environment, and that it’s incompatible with the primary purpose of National Parks, which is nature conservation. VEAC was obviously convinced that a significant number of prospectors do not observe their code of practice, and the report contains testimony  from water and heritage bodies that the activity is a threat in both those areas. Even when it is properly done, prospecting is not exactly benign:

‘While the Council considers that prospecting can be carried out in ways that minimise impacts on the natural environment, it is aware that there are also instances of inadvertent disturbance to flora and fauna. Even when holes are immediately and carefully filled in after prospecting, the soil structure and the biota are disturbed in the immediate area.’

Our photos below are an illustration of this fact.  Continue reading

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Fungi guide

Wombat Forestcare has produced a handy guide to the Fungi of the Wombat Forest and Macedon Ranges. The guide comes in the form of a hardy folder, and has over a hundred large postage sized photos with succinct information on the species illustrated.  Although some of these species are more prominent in the wetter forests than they are in Mount Alexander region, the guide references many which can be found in the woodlands of the box ironbark country.

The folder has been produced for the Forestcare group by Alison Pouliot, and contains much useful info in addition to the species photos. Among other things, it warns that ‘knowledge about the edibility of  Australian fungi is scant and deadly poisonous species exist in Australia.’ Uninformed sampling of fungi is definitely not a good idea. It’s worth noting that even in Europe, where community familiarity with fungi is better developed than here in Australia, it’s been estimated that 50-100 people die from fungal poisoning each year. This is known, rather macabrely, as the ‘try and die’ method of getting to know fungi.

A much better idea is to get to know them for their beauty and ecological importance. The folder is available from Wombat Forestcare for a reasonable $6.00.  FOBIF has a limited number of folders, which we can sell to members on monthly walks at the recommended retail price.

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Moss matters

The photo below shows ecologist Paul Foreman doing a briefing on Mount Alexander on plans to boost the population of Southern Shepherd’s Purse with a special seeding program.

The plant [Ballantinia antipoda] is found only on the Mount, and its population has been under pressure in recent decades for various reasons. It thrives on moss mats covering granite sheets on the upper slopes.

Briefing on Mount Alexander: the Ballantinia is dependent on the moss mats over granite sheets on the Mount, which is the only place on earth the plant still lives.

 

 

 

 

 

 

 

 

 

 

FOBIF’s moss propaganda campaign resumed last weekend with a tour of Clinker’s Hill run by Cassia Read for beginners interested in getting a hook on this plant domain. Participants were introduced to a few general ideas on the nature and importance of moss, and given a look at ten species growing in the area’s gullies and tracksides.

Several photos were taken during this workshop, but we decided to protect the innocent by not publishing them here. Instead, to give an idea of what a true moss expert should look like, we produce the photo below, from the British Bryological Society.

Disturbing behaviour of moss enthusiast. Readers are assured, however, that gumboots are rarely required in our climate. Photo: British Bryological Society 2004

 

 

 

 

 

 

 

 

 

 

The gumboots are a giveaway that the picture wasn’t taken in our region recently: but the necessity to peer in to dark damp holes may be something we’ll have to face if the present dry conditions continue.

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