Mist, Whisky Gully and lots of fungi

A good sized group tackled FOBIF’s June walk yesterday on the east side of Mount Alexander. A dense mist shrouded the Mount early, but it soon cleared, and a pleasant cool day was just what was required for the occasionally strenuous climbs. Highlights included the ruins of the silk project,  a great rock shelter, plenty of grand old (and occasionally mysterious) trees, and one of the Mount’s most attractive features, Whisky Gully. Lots of fungi along the way meant that a few participants were looking mainly at the ground.

Walkers underneath the ‘Impossible’ Manna Gum. Photo by Liz Martin

Our thanks to Jeremy  Holland for a typically stimulating off track experience.

Next month’s walk will be in the Chewton Bushlands. Check the program for details.

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A creepy bride

It has a pretty name, and a pretty flower—after all, it was introduced into this country as a garden plant. Now it’s one of the worst invasive weeds in the country, a menace to the environment and agriculture. You guessed it: it’s Bridal Creeper.

This invasive climbing herb with a very extensive tuberous root system can cause huge problems as it climbs on and chokes understorey species: it’s capable of completely blanketing out all other plants.

Harmless looking plant, which can be a suffocating nuisance: dig it up! And make sure you get it all…Photo: John Ellis

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

And it’s starting to emerge in the bush now.  If you come across a small isolated plant the best method of removal is to dig it up – though you have to make sure you dig deep enough to get all the tubers: if you don’t, the plant is tenacious at coming back.  Hang the offending weed in another bush or branch so that the tuber dries out and so that other people walking in the area know that it is an unwanted plant. They might be encouraged to use the same method of removal if they come across one.

We owe a thanks to all those generous people who have been digging this pest plant up over the years through our local bushland (especially Kalimna). What would the bush look like if it had been allowed to run rampant?

For more information on this weed and its control check here

And if you want to see what Bridal Creeper can do when it gets out of control, grit your teeth and have a look here.

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Wouldn’t it be wonderful if fairy stories were true?

How long should we plan for? An interesting hint can be found in the May issue of the newsletter of the Australian Forest History Society, in a story by Roger Underwood, about New College Oxford, founded in 1379:

‘The chapel is about 600 years old, and until this story unfolded, was famous for its massive oak beams. (In the late 1970s)… an inspection  of the New College chapel roof had disclosed the alarming fact that the old oak beams holding up the roof and spire were infested with wood boring beetles, and were on the point of collapse. The situation was dire, and the college authorities were at a loss. Where on earth would they find replacement oak beams for the urgent restoration work?

‘However, the college historian came up with the answer. It turned out that at the time of the building of the college in the 14th century, the builders anticipated that one day the oak beams in the chapel would need to be replaced. So the college purchased land and arranged for a plantation of oak trees to be planted. A forester was appointed to look after the resulting forest. Over succeeding centuries, the word was passed along from one generation of college foresters to the next: ‘You don’t touch them oaks, they’s for the college chapel.’

‘And they were. Cometh the hour, cometh the trees. The oaks were felled, the new beams cut and installed, and the chapel roof was again secure and a thing of wonder. And another grove of oaks was planted, anticipating the need for the next refurbishment of the chapel 600 years hence.’

Unfortunately this story, which has circulated in a variety of forms, is a bit of a myth, although it is true that the college has forest reserves used for repairs of its old structures… but wouldn’t it be great if it were not only true, but unremarkable: that it was completely normal to look that far ahead in the management of our resources? Maybe the gold rushes would have panned out a little differently if that had been the case…

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Celebrating gold…and other things?

Parks Victoria has flagged the possibility of ambitious celebrations to mark the 170th anniversary of the discovery of gold in this region. They would take place in spring 2021. Another celebration possibility could be the 20th anniversary of the opening of the diggings park in 2022. The celebrations could take the form of conference discussions, re-enactments, musical events, art shows and other activities. Social, technical, environmental and indigenous perspectives would be included. There is a definite purpose in the proposal to promote the Castlemaine Diggings National Heritage Park as a tourist destination, and the proposal so far has the support of Mount Alexander tourism officers.

As readers of this site will know, FOBIF is sceptical of the tendency of heritage events to glorify gold and everything to do with it, and to sideline or pay polite lip service to the collateral damage of the gold era: the outright trashing of the environment, and with it the completion of the dispossession of the Indigenous Australians.

So far, however, we are cautiously supportive of the idea. We’ll see what happens in the detail.

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Tackling the intractable

Users of Expedition Pass reservoir over the last year or so have noticed signs of serious stress in the Red Gums at the south western end of the dam wall, near the Golden Point Road.

Reasons for the stress are speculative, but drought and soil compaction from the parking of cars must have something to do with the problem.

Soil platform under one of the corner Red Gums at Expedition Pass. Will it solve the problems faced by trees at the popular beach? We don’t know…

Parks Victoria have had a small go at one side of the problem by building a soil platform in front of two of the trees. We’re not sure how this will work, given that it’s likely to be used as a platform for resting by swimmers in summer. We’ll see. An intriguing side of the problem is that Red Gums are notorious for dropping dangerous limbs without warning, a fact seemingly disregarded by the many who rest under these trees every summer. Fencing the trees off might be a good idea, but it would probably get a hostile reception by users, given the popularity of that ‘beach’ area.

A trickier problem is the cars. Parks have placed rocks to prevent these from parking too close to the trees, and compacting the soil further: but there’s a further problem: illegal and possibly dangerous parking along the road. This is more or less universal in summer. Parks seems to have made a start on this one by improving the walking track up to the Reservoir from Llewellyn Road. It’s a pleasant track, though definitely uphill. Will it tempt people to leave their cars below the Res and walk? One problem with that is that parking along Llewellyn Road is presently limited. We believe Parks has plans to deal with this…we’ll see about that one too.

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The promotion of lunacy 2: what are ‘prevailing community standards’?

A few weeks ago FOBIF wrote to several responsible persons/agencies complaining about car advertising which promoted unsafe and environmentally irresponsible driving. Recipients included the state Minister for road safety, the Federal Council for Automotive Industries, local MPs and the Ad Standards Bureau. We’ve had answers from Maree Edwards (a politely sympathetic letter) and the Ad Standards bureau, the federal body supervising the voluntary code of the industry.

The bureau’s letter notifies us that our complaint ‘is scheduled for submission to the Ad Standards Community Panel. A copy of it will be provided to all members of the Panel in order to help them in their determination of your complaint. We will also send a copy of your correspondence to the advertiser in question for comment. Any comments we receive from the advertiser will be submitted to the Panel for consideration together with your complaint…details of your complaint may be made available to researchers from time to time to enable Ad Standards to remain up to date on community attitudes and concerns about advertising.’

The Ad Standards community panel is the ‘centre piece of the self regulation system.’ It consists of 18 people from around the country not directly connected to the advertising industry. They’re from an interesting range of backgrounds, though none of them list ‘conservation’ as a major interest. We are assured that ‘The Community Panel discharges its responsibilities with fairness, impartiality and with a keen sense of prevailing community values in its broadest sense. Its task is often a difficult one and the outcomes of its determinations will not and cannot please everyone.’

We wait with interest to see what ‘prevailing community values in its broadest sense’ means. A cynical glance over a range of current television commercials might lead us to conclude that the community puts great value on being yelled at by trashed up celebrities urging us to buy unnecessary stuff. But we’ll avoid cynicism for the time being.

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In a different light … an exhibition by David Oldfield

David next of one of his photo exhibits showing Acacia melanoxylon in visible light and the same image in UV light.

David points out in an introductory pamphlet that camera manufacturers go to great lengths to make sure that digital sensors in their cameras will never see Ultraviolet (UV) light as it messes with the colours. However images taken under UV light can reveal how insects see flowers:

It has been known for many years, since the days of black and white film in fact, that many flowers have dark patterns visible under UV light but not visible to the naked eye. On the basis of much scientific work on honey bee vision, the eyes of pollinating insects are known to be sensitive to UV, blue and green light, and it is widely believed that such UV patterns, known as ‘nectar guides’, assist pollinating insects to find the nectar or pollen on the flower.

With a history of photography going back to childhood, David started to take UV flower photographs in 2013. He soon realised that nobody was taking such photos of Australian native flowers and thus began his groundbreaking work in this area. 

You can see David’s beautifully presented photos at the Newstead Arts Hub until 23rd June, open every Saturday and Sunday 10 am to 4 pm. The Hub will also be open on Queens Birthday Monday 11th June.

If you would like to find out how to take UV flower photographs and see more of David’s work, have a look at www.ultravioletphotography.com 

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Life and death in the fire zone

The brilliant green in the photo below is Funaria hygrometrica, a moss which flourishes in fire ash. If you look closely you can see it’s growing in the ashes of a fallen tree. Harder to see, but still there, are dozens of small mushrooms, as well as a patch of fire fungus, Pyronema omphalodes ,also confined only to this ash rich line. That brilliant green patch is an intriguing sign of nature’s complex response to fire, still not properly understood.

Funaria hygrometrica on the ash of a tree trunk, Fryers Ridge May 25: the moss flourishes in post fire situations.

The rest of the scene is pretty desolate: it’s the margins of the Fryers Ridge Road, scene of a DELWP management burn last year [Cypress Drive, fire number CAS 066]. The severity of the burn on the steep slope below the ridge has scorched almost all trees to the crown, and most now look in crisis, with epicormic growth on nearly all of them. The slope is practically bare of ground cover.

Not all of the burn area is as bad as this: but enough of it is so severely burned that we have to ask the question, again: if it’s not the Department’s intention to destroy big trees, why does it inevitably do so?

The steep slope below Fryers Ridge road, near Timmins Track: fire managers aim to burn the bark off the Stringybarks. When the fire gets too high up the trunk, the tree is at risk.

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Killing weeds, spreading weeds

Mount Alexander Shire decided last week to continue using Glyphosate as part of its weed killing programs. The chemical is a constituent of the widely used weedkiller Roundup. There is evidence that, at least in some usages, it may cause serious health problems, including cancer: courts in the US have recently awarded huge damages against producer Bayer Montsanto because of the health impacts on workers heavily involved in using the chemical; and legal and political wrangles in Europe have increased pressure on agricultural producers to come up with an alternative.

Stinkwort on a Castlemaine roadside: it’s a pity Council is controlling weeds and apparently spreading them at the same time.

 

Glyphosate is, however, still authorised for use in Australia, and research is not conclusive about the level at which it becomes harmful not only to people, but to soil fertility.

In the mean time, here’s a simpler weed control challenge for the shire: how about we stop spreading weeds around on our machines?

A very large proportion of local roads which have undergone works of some kind in recent years have been infested with Stinkwort. It’s very clear that the weed has been spread on council machinery.

According to the late Ern Perkins’s Castlemaine Plant List, Stinkwort ‘ is a noxious weed and listed Restricted in central Victoria.  It grows strongly during the dry late summer months when most other vegetation is dormant. The plant taints dairy products and meat, can cause stock death by poisoning and bowel damage by the fluffy seed heads, and can cause dermatitis in humans.’

FOBIF has been hammering this drum for nearly ten years now. Protocols for cleaning machinery are pretty accessible. We’ve written to Council to suggest they be acted on.

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FOBIF tilts at a very large windmill

Readers will remember our irritation at the plethora of Television commercials for recreational vehicles, encouraging irresponsible and environmentally damaging driving practices. We’ve decided to see if we can get an opinion on this matter from responsible authorities, and have written the  enquiry below to the Minister Road Safety, the Federal Chamber of Automotive Industries and others. We’re not optimistic about a response. The gist of the letter follows [we’ll print responses if any as they come]:

We draw your attention to the current Television advertising campaign for Suzuki with the slogan ‘for fun’s sake’. The video can be found at https://www.bestadsontv.com/ad/102250/Suzuki-For-Funs-Sake . It has run frequently on broadcasts of AFL football. The film features a car careering through water and mud, and mindlessly circling a suburban roundabout.

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