Pure gold - Bendigo and Creswick

Creswick C cropped

On the next day of our grand tour of Victoria’s new pollen traps we had a double whammy and visited Bendigo and Creswick, both former gold towns.

Appropriately enough our traps are located in places with a strong botanical connection. In Bendigo our pollen trap is on the Flora Hill campus of La Trobe University and in Creswick the trap is on the University of Melbourne campus, which has been an important location for forest science education since 1910.

We visited Bendigo first and noted a great many flowering gums and parrots in our survey of possible local pollen sources.

In Creswick we had a stroll through part of the 610 hectare demonstration forest that was planted when the campus was established over a hundred years ago. The Creswick air is full of casuarina and cypress pollen and has the most native pollen of any of the sites we have seen so far.

I have even spotted some Dodonaea or hop bush pollen, which for a pollen counter is very exciting.

Today’s photo shows our Creswick pollen counters, Helen, Yasika, Yogendra and Nadeeshani. After a quick catch up and a visit to yet another fabulous country bakery, we were on our way to the final destination of our tour - Hamilton here we come!

Dookie

Dookie QC

With Churchill now behind us we begin day 2 of our great Victorian pollen road trip and head to our next destination – Dookie in the Goulburn Valley.

Established more than 130 years ago, Dookie is Victoria's oldest agricultural college; its association with the University of Melbourne began as long ago as 1910. Located in the fertile farmlands of the Goulburn Valley, the Dookie campus is about 50 km east of Shepparton.

Today’s photo shows the Dookie pollen counters, Jamal, Hari and Kabir, who are not only studying agriculture at Dookie but live on campus as well.

Around the beautiful Dookie campus we can see that the canola has stopped flowering although the stands of wheat and pasture grasses are still looking quite green. Dotting the landscape are mature sheoaks (casuarina) and cypress, and eucalypts too of course!

This regional variation in vegetation has a marked effect on the level and types of pollen as well, with Dookie's slides being very different to Churchill’s. We’ll discuss these differences in detail in a later blog.

After catching up with the pollen counters and avoiding a possible crisis by topping up at the Dookie pump, we hit the road again with eyes peeled for the next wonderful country bakery.

Next stop: Bendigo!

Churchill

As you know, Melbourne Pollen now has 5 new Victorian sites. This week we will be visiting all our new pollen sites to check on equipment and see how our most valuable resource, our pollen counters, are getting on.

Our first stop was the Federation University campus at Churchill in Gippsland. It’s a beautiful spot nestled in the foothills of the Strzelecki Ranges east of Melbourne. 

Churchill Pollen Counters

Today’s photo shows the Churchill pollen counter team, Hannah, Jacqui and Taylin, who are local students studying in the School of Applied and Biomedical Sciences at Federation University.  On the right is Penny from the University of Tasmania, who is here helping us with training the counters at all the sites.  

After looking at some of this season’s slides we noticed that the main pollen types in Churchill’s air come from the trees cypress and birch, and pellitory, a weed. We’ll tell you more about this later. 

Afterwards, we even managed a little botanical expedition to check out the local pollen sources before heading off to our next site, Dookie.

But that’s a story for another day.

Spirit of Halloween

Prankster pollen, ghastly guys

They’ll make you sneeze, they’ll itch your eyes

So small you can’t even see that they’re there.

These tiny tormentors will frighten and scare.

Take cover, take care, take your antihistamines

'Cos the pollen are lurking this Halloween.

What’s been in Melbourne’s air lately?

In our last post we described some of the changes to our service this season, such as the expanded pollen monitoring network.  We’ve lost count of the number of times over the years we’ve been asked if it was possible for pollen counting to be done outside of Melbourne.

And now it’s happening at our sites at Hamilton, Creswick (near Ballarat), Dookie (near Shepparton), Bendigo and Churchill (near Morwell).

That’s such a big change for us and one I hope those of you in regional Victoria will find useful.

But that’s not the end of the changes.

Another thing we regularly get asked about is ‘other pollen’.

The main activity of the Melbourne Pollen Count has been counting how much grass pollen is in the air and forecasting grass pollen levels for the week ahead.

But we also count ‘other pollen’ and many of you have rightly asked, what’s in it?  Could some types of ‘other pollen’ be triggering your allergies?

Quite possibly.

So another of the changes here is that we are counting some types of other pollen and one type of fungal spore.

And not just here in Melbourne, but at all six of our sites.

It’s a lot of information and we’re still trying to figure out how best to display it.

Today’s picture is our first attempt.  It shows what was in Melbourne’s air from October 1 to October 9.  Dates are across the top and the numbers show the percentage of the daily total represented by each pollen type.

Melbourne pollen heat map

Each square is coloured to indicate the level: the more of that pollen type, the greener the square.

So you can see that cypress and Oleaceae were the dominant pollen types during early October. Cypresses are conifers and Oleaceae is a family of trees and shrubs of which olive and ash (Fraxinus) are familiar examples.  Levels of birch pollen also started picking up towards the end of the week.

At the bottom of the list is the fungal spore type we counted, Alternaria.

Cypress pollen, Oleaceae pollen and Alternaria spores are associated with allergies.

You can tell us what you think of the figure via FaceBook or Twitter.

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