Friends of Caulfield Park -

TREE HEALTH CALCULATOR - 1.0

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Matthew Daniel

May 2017

Hi All,

As a group you have all expressed interest in the tree health project that Matthew Daniel presented at our AGM.

Well, the machines have arrived and Matthew is keen to get started.

The first thing is to get signed up to the project web site and I will forward Matthew's email as to how to do this. There is some very technical information there but ignore this. The main thing is to register so we can commit ourselves to this project. As an institution we can call ourselves Friends of Caulfield Park.

If you have any questions you can ring either Matthew or myself.

Cheers

David Wilde

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Pascale Miller

Sep 2017

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We took our first measurements from a Lophostemon conferta near the bandstand, and it was great to be able to take two simultaneous measurements on each side of the tree (first time that has historically occurred in this research?). This tree whilst showing little disease was clearly showing chlorotic (yellowing leaves) new growth which is a sure sign of some kind of stress.

Then we took measurements of the heritage tree Cussonia spicata at the junction of Hawthorn road and Inkerman Road (it may not actually be a tree but a succulent which is interesting as these are C4 plants which function very differently to trees and grasses). Interesting to see the results of this.

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Pascale Miller

Sep 2017

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well done to all who came today and learnt how to measure tree health using the state of the art multispectrometers and learnt a bit more about the fascinating process of photosynthesis. Soon we will all be much more in tune with tree health wiht a bit more practices will be able to identify signs of stress or vigour for different tree species in our park. The next stage will be another group effort measuring the health of 20 specific trees from our tree brochure with council approval and will involve a few more instruments (soil moisture levels etc.) for more data. Stay posted!

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Matthew Daniel

Sep 2017

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Well done everyone! You should be excited and proud, this is a world first!

Exciting!!

The First # 1 (in the world) - PhotosynQ Citizen Science - Urban Forest - Community data collection, of its kind.

Someone contact Guinness world records.

Today, on maybe the first spring morning of 2017 - the Friends of Caulfield Park group in the City of Glen Eira – Melbourne conducted a first of its kind Tree Health data collection.

We will be conducting annual surveys of Tree/Soil Health in Caulfield Park with Support from the City of Glen Eira. This is Exciting stuff it demonstrates that engaged, committed and enthusiastic community mebers can contribute to a greater understanding of our urban environment. The data is incredibly valuable, mainly at this time because they are baseline measuring plant and soil health and function to be used in future analysis be collecting a reference baseline.

Pascale and Lisa did a wonderful job with the multispeQ so did the kids, learning how a penetrometer works in measuring soil compaction.

40 measurements were taken between two trees by two users to practice using the equipment. Amazingly an outlier in the data identifies the first two canopy function measures we look to, and discussed today.

  1. Relative Chlorophyll
  2. Leaf Temperature Differential

A sick tree, identified initially by chlorotic or yellow leaves is not functioning photosynthesis effectively and thus has a low spad (green leaves) and often a high leaf temperature. This means sick trees don’t cool our environment because they are not drawing up water and transpiring (evaporative cooling) or reducing the Urban Heat Island Effect (UHIE)

Class Test # 1

Pascale, a bit of a test for you in particular. I am sure you will get it. I am impressed with your learning.

Question: Which individual measurement identifies the highest reduction in canopy function, and why?

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Pascale Miller

Sep 2017

I'm just wondering with the graph showing Ph/NO by Unique Tree Identification Number, why does Lisa's data show significantly higher LEF compared to my first one which is taken on the same tree? Is this evidence of difference in the multispeQ device?

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Pascale Miller

Sep 2017

If I'm looking at the measurements taken by me/or with my phone then it's the one taken after 11:50 with the Cussonia spicata and we were measuring the juvenile leaves so they can't photosynthesise properly yet or function properly because they are still growing?

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Matthew Daniel

Sep 2017

Hi Pascale, Yes that's the Cussonia, I think that is the measure I helped with..right?

That was the first of the new growth coming through. Juvenile leaves developing.

I thought at first it might have been one of the older leafs going through senescence.

Did you measure any yellow leaves, in this reference tree? Do you remember the leaf numbers?

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Pascale Miller

Sep 2017

We measured one leaf which was becoming yellow at the tip but where we took the measurement it was still green, that was probably leaf number 6 or so... would it be worth taking photos of each leaf if each leaf is significant?

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Matthew Daniel

Sep 2017

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Individual Trace measure, which number?

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Matthew Daniel

Sep 2017

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Pascales Trace

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Matthew Daniel

Sep 2017

Sorry, the above trace is entered backward. It takes 6 screenshots to represent 1 individual measurement trace.

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Pascale Miller

Sep 2017

Hello friends a reminder this Sunday 17th September is the Caulfield Park tree health survey. We will start at 10am at the bandstand/rotunda near Hawthorn road and Inkerman Road end of the park. There are 6 confirmed people plus a handful of interested people. I have spread the word out on Facebook and to other interested people. I have flagged 1pm as end time/BBQ or picnic lunch opportunity...weather permitting. Shall we spend the first minutes ensuring people are registered to use PhotosynQ and Matthews Tree Health project as this is the main issue? Any other questions? Phone me 0417148764 Cheers Pascale

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Matthew Daniel

May 2017

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Dear Friends of Caulfield Park.

Please use this topic thread if you have any questions or input to your particular Community Engagement project.

You have shown a great deal of interest in the TREE HEALTH CALCULATOR 1.0 and I thank you, This will be a world first in this type of environmental survey. I am sure your lead will be followed by other interested community groups.

Community Engagement is essential for successful Urban Forest development around the globe.

Look forward to our collaborative work.

Matthew R Daniel

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Barbara Gibson

Jul 2017

Hi all I hope I am signing up for the right group. I really think this is an extremely important project

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Pascale Miller

Jul 2017

Yes Barb you have! Thank you for joining! Are you in contact with Maggie Reynolds as she is having difficulty signing into this group maybe we can meet up and walk her through it. I'm so glad you worked it out Barb! Pascale

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Pascale Miller

Jun 2017

I can't wait to get this project up and running. We have earmarked Sunday 17th in September to do this. Please sign up before then to work out any technical issues. Happy to help out with computer difficulties over the phone. Pascale

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Sean

Jun 2017

If you guys have any questions I am here to help! Very cool how passionate you all are! -Sean at PhotosynQ

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Sean

Sep 2017

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