Kia Ora,

 

Thank you for your email.

 

We are handling your request under the Local Government Official
Information and Meetings Act 1987 (LGOIMA). We have forwarded it to the
appropriate Christchurch City Council staff, and we will provide a
response or update within 20 working days of the date we received your
request. If we are unable to respond to your request by then, we will
notify you of an extension of that timeframe.

 

If you have any queries, please feel free to contact me. If any additional
factors come to light which are relevant to your request, please do not
hesitate to contact me so that these can be taken into account.

 

Kind regards,

 

Gypsy Stevenson

Information Advisor

Office of the Mayor and Chief Executive

 

From: Finn Jackson <[FOI #19892 email]>
Sent: Tuesday, 12 July 2022 7:20 pm
To: Official Information <[email address]>
Subject: Official Information request - How many trees planted over the
last three years?

 

Kia Ora Christchurch City Council,

1. How much does it cost for the Christchurch City Council to plant one
native tree?
2. If you have data on this, how many trees were planted across each
community board area or council ward by council staff and volunteers over
the last three years?
3. Again if the data is available, how much total carbon dioxide was
sequestered by these plantings?

Thanks very much for your time

Finn Jackson

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[1]Christchurch City Council logo

 
 

Dear Finn,

 

Thank you for your email, received on 12 July 2022. You requested the
following information, under the Local Government Official Information and
Meetings Act 1987 (LGOIMA):

 

“ 1. How much does it cost for the Christchurch City Council to plant one
native tree?
2. If you have data on this, how many trees were planted across each
community board area or council ward by council staff and volunteers over
the last three years?
3. Again if the data is available, how much total carbon dioxide was
sequestered by these plantings?”.

 

In regards to your second question, Regional Parks recorded 6873 trees
planted in the last financial year.

Unfortunately due to key staff being unavailable at this time we are
unable to provide further information on this point, and your other two
questions. However we will aim to respond in full by the 26th August
2022. 

 

Please get in touch if you have any concerns. 

 

You have the right to ask the Ombudsman to investigate and review our
decision. Complaints can be sent by email to
[2][email address].

 

Publication of responses to LGOIMA requests

Please note: our LGOIMA responses may be published on the Christchurch
City Council website a month after they have been responded to, with
requesters’ personal details withheld. If you have any concerns about this
please contact the Official Information team on
[3][Christchurch City Council request email].

 

Yours sincerely,

 

Ella Sullivan
Graduate Official Information Advisor
Office of the Mayor and Chief Executive

 
 
 
Contact us
[4]Phone icon 03 941 8999

[5]Map marker icon [6]Visit a Service Centre

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[1]Christchurch City Council logo

 
Kia Ora Finn, 

 

Thank you for your patience while we answer your Local Government Official
Information and Meetings Act 1987 (LGOIMA) request dated 12 July 2022. We
now have a full answer for you. 

Please see the answer below:

 

1.      How much does it cost for the Christchurch City Council to plant
one native tree?

The cost to plant an individual tree varies considerably based on the type
of planting and/or the location.  Below is an example of some tree
planting costs (these would be the same regardless of whether they are
native or exotic trees):

 

Specimen tree (a tree planted as an individual tree located within the
street or a park environment)

* $235-$380 (planting cost based on no engineering requirements such as
tree pits and does not include establishment costs such as watering

Restoration/forest planting (a tree planted as part of a large scale
forest establishment or riparian planting)

* Approximately $165K per ha, $16.50 per tree (generally native planting
and inclusive of 12months establishment maintenance)

 

2. If you have data on this, how many trees were planted across each
community board area or council ward by council staff and volunteers over
the last three years?

 

This information is not currently recorded however, we are working on
getting a system in place to record this going forward.

 

Parks Department

Within our specimen trees (these are trees planted in the streets and
individually planted within our parks) we have the following numbers:

Tree Planting
Year total Native Exotic
2022* 221 53 168
2021 1264 350 914
2020 3490 852 2638
2019 3674 840 2834

 

As we are still in our 2022 planting season, not all the trees from this
year have been included in our tree database.

 

Within Regional parks we have planted 6873 trees over the last financial
year July to June.   We have not recorded this data in the past but are
looking at ways to collect it going forward.

 

Within the Red Zone we have recorded the following:

Planting season 2021- 60,000 of which approximately 30,000 was planted by
volunteer groups

Planting season 2022 (to date) - 43,000 of which 38,000 have been planted
by volunteers

 

We also have planting undertaken by community groups within some of our
community parks however this tends to be more grasses and shrubs and
numbers are not recorded.

 

3 Waters Department

We have been planting around 10,000 trees/plants around the Oxidation
Ponds and Christchurch wastewater treatment plants every year for the past
5 years (i.e. from 2017/18), so now up to 50,000 in total.

 

And for stormwater and waterways work (includes exotic and native trees
and smaller native plants):

+------------------------------------------------------------------------+
| 2019 | 32129 |
|------+-----------------------------------------------------------------|
| 2020 | 44670 |
|------+-----------------------------------------------------------------|
| 2021 | 53703 |
|------+-----------------------------------------------------------------|
| 2022 | 46233 (includes planned plantings to be completed this calendar |
| | year) |
+------------------------------------------------------------------------+

 

These numbers include both individually planted trees and direct seeding
for some of the waterways work.

 

We don’t have the definitive inventory of species/number planted, as we
just go with what is available from the nurseries at the time.

 

The species we plant are from a pre-approved list from Parks;

Coprosma acerosa

Coprosma propinqua

Coprosma robusta

Corokia cotonester

Cordyline australia

Dodonea viscosa

Hebe salicifolia

Kunzea ericoides/robusta

Myrsine australis

Pittosporum tenuifolium

Pittosporum eugenioidies

Muehlenbeckia axillaris

Olearis paniculata

Sophora microphyla

Poa cita

 

3. Again if the data is available, how much total carbon dioxide was
sequestered by these plantings?

This information is not currently collected, however the Council is
looking into tools to allow us to accurately record this information.

 

 

You have the right to ask the Ombudsman to investigate and review our
decision. Complaints can be sent by email to
[2][email address].

 

Publication of responses to LGOIMA requests

Please note: our LGOIMA responses may be published on the Christchurch
City Council website a month after they have been responded to, with
requesters’ personal details withheld. If you have any concerns about this
please contact the Official Information team on
[3][Christchurch City Council request email].

 

Yours sincerely,

 

Ella Sullivan
Graduate Official Information Advisor
Office of the Mayor and Chief Executive

 
 
 
Contact us
[4]Phone icon 03 941 8999

[5]Map marker icon [6]Visit a Service Centre

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