Pop-up kids walk this Sunday 18th September at the Castlemaine Botanical Gardens

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Kid paced walking, and nature based conversation on a FOBIF family walk.

Join us on Sunday 18th September as we take a look at the lesser known but most beautiful bush section of the Castlemaine Botanical Gardens.

WHEN: 10am – 12pm
WHERE:  Tea rooms in the gardens (near the carpark closest to the Lake)
WHAT TO BRING: Thermos of favorite warm drinks, snack, sturdy foot wear your friends and family, big and small.

Head gardener, Gill Miller will give a short history of the park and local nature enthusiast, Naomi Raftery will lead a walk and talk for families around her favorite part of the gardens. There will plenty of opportunity to take a closer look and learn about the special colony of Eltham Copper Butterflies who call this patch home.

 

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Water

Forty five millimetres of rain fell at the Castlemaine Prison over the two days September 9 and 10. After good winter rains [63 mls in June, 73 mls in July and 63 in August] the streams were ready to run, and they did.

Forest Creek, September 10

Forest Creek, September 10: not a lake, but modestly impressive

 

Fryers Ranges, September 10

Fryers Creek tributary, September 10: ephemeral streams started running throughout the district after good rains last week.

 

 

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Fire

DELWP seems to be expanding and varying its community consultation processes on fire. A ‘listening post’ was conducted by fire officers in Castlemaine on Saturday; and last Wednesday representatives of the Castlemaine Field Naturalists toured the district with the Department’s Paul Bates and Alison Jeavons to look at issues to do with fire and biodiversity .

Wednesday’s tour took in Wattle Flat, recently mulched areas in Chewton, and the Fryers Ridge.

Common Heath [Epacris impressa], Fryers Ridge Road, September 11: the Ridge is currently spectacular, with wattle, beard heath, grevillea and many other species in flower.

Common Heath [Epacris impressa], Fryers Ridge Road, September 11: the Ridge is currently spectacular, with Wattle, Beard Heath, Grevillea, Bendigo Wax, and many other species in flower.

The Ridge is set for a brilliant wildflower season, with displays already quite spectacular along the Ridge Road. The Fryers Ridge is a special part of this region, and it’s encouraging that the DELWP managers expressed an interest in incorporating Field Naturalist quadrat surveys into their planning processes. FOBIF was stunned last year to be told by local managers that they didn’t attach any particular importance to the ridge, because there aren’t rare or endangered species there. We have hopes now that this attitude may change.

The results of management fire are often unpredictable. Sometimes they provoke profuse regeneration, sometimes they are depressingly destructive, causing erosion, spreading weeds, and knocking out vulnerable species. These outcomes should be more predictable: if fire operations were conducted with more detailed knowledge of the special requirements of each area, they could be much less damaging. For this reason, excursions like that held on Wednesday are to be welcomed.

 

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An eloquent silence

Last Friday [September 9], the Victorian Environmental Assessment Council held a briefing session in Chewton on its Historic Places Investigation report.

At the end of the briefing, this question came from an audience member:

‘If the Government accepts and implements every recommendation in your report, what difference will it make to the running of the Castlemaine Diggings National Heritage Park?’

There was a silence, after which the VEAC presenter said: ‘While I think about that, I’ll tell you what difference it would make to the Mildura Hospital.’

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This non answer was quite eloquent: it made clear that VEAC had failed to face the challenge of how to deal with heritage landscapes, as opposed to particular buildings, ruins or monuments.

A follow up question,  ‘Has VEAC squibbed the problem of dealing with landscapes, which contain both natural and cultural features?’ was answered as follows: ‘No: the Council has just decided to deal as a priority with the more manageable problems, which are already hard enough.’

The investigation Report, which can be found here, contains many interesting proposals on how to deal with historic places under threat from many sources. It’s a great pity the Report failed to confront the landscape question. Historic landscapes face the same problems as historic buildings: neglect, inappropriate use leading to damage, development threats. In addition, these landscapes have peculiar challenges, in which heritage and natural values can be seen to be in conflict. The problem of horses and cattle in the Alps is one example; and irresponsible prospecting in the Diggings Park is another.

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Wetland Plant ID

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There are still some places available in the October 2016 Wetland Identification Course run by wetland expert, Damien Cook, and facilitator, Elaine Bayes. You can find out all about it by clicking on the image above.

Damien and Elaine are also leading our next FOBIF walk on September 18. The walk will take in Chewton’s highest mountain, ‘The Monk’, and Doug Ralph’s favourite long term unburnt bush near Eureka Mine.

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Yes! It’s spring!

…And there are plenty of reasons to get out into the bush. Here are a couple:

Parrot pea, Goldfields Track, Irishtown, September 4:

Small Leaf Parrot Pea [Dyllwinia philicoides], Goldfields Track, Irishtown, September 4 2016

Boronia, Goldfields Track, Irishtown, September 4:

Sticky Boronia [Boronia anemonifolia], Goldfields Track, Irishtown, September 4 2016

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Oh no! It’s spring!

Is this the best [that is, worst] year ever for the Oxalis weed? Since autumn we’ve seen the dense mats seem to get denser, to spread more widely, and to cover areas the weed’s never been strong in before. And now that it’s spring, those pretty yellow flowers seem to be everywhere.

Oxalis: among other things, it is, or should be, a challenge to fire managers

Oxalis: among other things, it is, or should be, a challenge to fire managers

There are 800 species of Oxalis world wide, including six that are native to Australia: we have two in our region—O. exilis [Shady Wood Sorrel] and O. perrenans [Grasslands wood sorrel: it’s the host plant for the Grasslands Copper butterfly]. The commonest local species is the introduced—and very feral—Soursob [Pes caprae]. It was introduced into this country in 1839 as a garden ornamental, a fact which adds a bit more weight to Tim Lowe’s claim [in Feral Future] that gardeners have done more harm to our environment than miners…

Any gardener will tell you Oxalis is hard to control. According to a 2012 DSE report, it’s also likely to increase in threat after fire, its bulbs allowing it to spread into bare ground. This, we hope, will be in fire managers’ minds when they’re conducting reduction burns in areas where Oxalis is already rampant [the proposed burn on Mount Tarrengower, for example].

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Yes we do, no we don’t

Do we know enough about fire behaviour to justify present fuel management practices?

‘Of course we do! Our practice is informed by generations of research and experience!’ is one view.

‘No: our practices are blunt and often blind to local conditions.’ Is another.

If you want to see the two views in conflict, have a look at ‘New modelling on bushfires shows how they really burn through an area’ by fire scientist Phillip Zylstra, on the admirable Conversation website. The responses at the end of the article are almost as interesting as the article itself. They amount to a rerun of an old debate: the one between anecdotal and folk [‘local’] knowledge on the one hand, and disciplined scientific research on the other. We recommend that readers have a look at both the article and the responses. Although contributors are generally polite, the discussion still has that ‘dialogue of the deaf’ feel which characterises many such debates.

Zylstra cites a case study which looked at 38,000 fires, and found that in 26 out of 30 bioregions reducing fuel loads didn’t reduce the area burnt in wild fires: more often than not more burning increased the area of wildfire.

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Historic places report on the way

The Victorian Environmental Assessment Council (VEAC) will submit the Final Report on its Historic Places Investigation to the Minister for Energy, Environment and Climate Change on Wednesday 31 August 2016, rather later than originally planned.  The report will be publicly released on Wednesday 7 September and will be made available on that day at www.veac.vic.gov.au.

Readers will recall FOBIF made a critical submission to the draft report in December last year. We’ll be curious to see if any of our criticisms have resulted in changes to the document.

Two information sessions on the report will be held not long after its release. One is in Melbourne. The other is in Chewton on Friday 9 September from 10:30 am to 11:30 am at the Chewton Senior Citizens Centre, 201 Main Road/Pyrenees Highway, Chewton (Car park access off Mount Street).

If you want to attend, you need to register with VEAC by phone [1800 134 803 (Free call outside Melbourne)] or email:  veac@delwp.vic.gov.au

The State Government will give its response to the report within six months.

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Undeterred by a bit of mist

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Some of the Sunday’s walkers

A small group braved low temperatures, threatening cloud and persistent drizzle on Sunday for FOBIF’s August walk in Walmer. The weather looked worse than it really was, however, and the walk proved a pleasant stroll through mist barely strong enough to dampen the face. What’s more, leader Paul Hampton organised things superbly so that the last half hour was in brilliant sunshine: and only as walkers got into their cars at the very end did the skies open for a bit of a downpour.

The thick mist did obscure some of the brilliant views to be had from the hills in this part of Muckleford, but there was plenty to see close to hand:  Leopard Orchids, Caladenias, fields of Early Nancy, Hovea in flower, and carpets of moss and coral lichen. Paul also provided some fascinating insights into the social and ecological history of the area.

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White Marianth and Blue Caladenia. Photos by Geraldine Harris

September’s walk will be a ramble on The Monk, led by Elaine Bayes and  Damien Cook. Check the walks program for details.

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