Carbon sequestration project



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CARBON SEQUESTRATION PROJECT 

Lake Warden and Lake Bryde Natural Diversity Recovery Catchments 

 

In 2006, the then Department of Conservation and Land Management 



(CALM), Department of Environment and the State Supply Commission (State 

Fleet) signed an interagency agreement to implement a carbon sequestration 

project on CALM managed lands. The project is in accordance with the 

directive of the Western Australian Government to sequester carbon dioxide 

to offset the emissions of the Government light vehicle fleet. Revegetation 

plantings have been undertaken within the Lake Warden and Lake Bryde 

Natural Diversity Recovery Catchments. 

 

This report details the Department of Environment and Conservation’s (DEC) 



activities in meeting the requirements listed under Appendix A of the 

agreement.    

 

Table 1: Summary of the revegetation undertaken for the Carbon 



Sequestration Project. 

Site Plots 

Area 

(ha) 

Planted 

Stand-type 

Lake Bryde 

Block G 

20 


2006 

Eucalyptus/Melaleuca 

Lake Bryde 

Block D 


21 

2007 


Eucalyptus/Melaleuca 

Lake Bryde 

Block S2 

11 


2007 

Eucalyptus/Melaleuca 

Lake Warden 

LWCSP_1 


3.28 

2006 


Salt Tolerant 

Lake Warden 

LWCSP_2 

3.14 


2006 

Mixed Heath 

Lake Warden 

LWCSP_3 


10.38 

2006 


Salt Tolerant 

Lake Warden 

LWCSP_4 

0.70 


2006 

Sandplain 

Lake Warden 

LWCSP_5 


4.80 

2006 


Mixed Heath 

Lake Warden 

LWCSP_6 

3.30 


2006 

Salt Tolerant 

Lake Warden 

LWCSP_7 


2.77 

2006 


Mixed Heath 

Lake Warden 

LWCSP_8 

2.66 


2006 

Mixed Heath 

Lake Warden 

LWCSP_9 


5.33 

2006 


Salt Tolerant 

Lake Warden 

LWCSP_10 

7.70 


2006 

Sandplain 

Lake Warden 

LWCSP_11 

1.43 

2006 


Salt Tolerant 

Lake Warden 

LWCSP_12 

2.40 


2006 

Sandplain 

Lake Warden 

LWCSP_13 

0.32 

2006 


Sandplain 

Lake Warden 

LWCSP_14 

3.29 


2006 

Salt Tolerant 

Lake Warden 

LWCSP_15 

1.37 

2006 


Mixed Heath 

Lake Warden 

LWCSP_16 

12.27 


2006 

Salt Tolerant 

Lake Warden 

LWCSP_17 

3.40 

2006 


Mixed Heath 

Lake Warden 

LWCSP_18 

0.91 


2006 

Sandplain 

Lake Warden 

LWCSP_19 

4.65 

2006 


Sandplain 

Lake Warden 

LWCSP_20 

6.54 


2006 

Sandplain 

 

Maps showing the plot locations are provided in Appendix 1 and a list of the 



species within each stand type is included in Appendix 2. 

 

 



1

Site Descriptions 

 

Lake Bryde 



The project site comprises three separate plots adding up to approximately 52 

ha, with similar soil and landscape positions. Three stand-types have been 

planted to reflect minor differences in elevation between plots, however, 

approximately 80% of the species are the same across all three plots. 

 

Planting was undertaken in 2006 and 2007 with some in-filling undertaken in 



2008. Survival of all stand-types is between 80% - 85%. 

 

Schematic Side Elevation Profile: Cross-section of Block D, between lakes  



 

 

 

 

 

 

   Lake         Eucalyptus/Melaleuca 

Lake          Eucalyptus/Melaleuca       



 

 

 



Lake Warden 

The project site comprises numerous plots within a mosaic of lakes, totaling 

just over 80ha. There are a mix of soil types across the site, which are planted 

with three stand-types; Salt Tolerant in the low areas, Mixed Heath for the 

sandy loam areas, and Sandplain on the white sandy soils on dunes. 

 

Plantings were undertaken in 2006 with in-filling occurring in 2007 and 2008. 



Survival of all stand-types is between 40% - 95%. A revegetation plan to 

further in-fill Lake Warden plantings is currently being developed by DEC’s 

Esperance District. 

 

Schematic Side Elevation Profile: Cross-section along western boundary of 



site, between plots 1 and 17.

 

 



 

 

 



 

 

 



    Salt  

 

    Salt  



Mixed   Sandplain   

    


 

 Tolerant 

Lake   Tolerant 

Heath     

 

    


      

 

 



      

 

   



          

      


 

 

 



 

 

 



 

 

2



Outcomes 

 

The interagency agreement stated that DEC was required to revegetate 



approximately 100 ha in the Lake Warden and Lake Bryde Natural Diversity 

Recovery Catchments. As at January 2010, DEC has revegetated and 

undertaken follow up in-fill plantings of approximately 132 ha. All planting 

areas across both Lake Bryde and Lake Warden were undertaken on 

previously agricultural lands that had been cleared prior to 1990.    

 

Documentation in accordance with Part Two, Section 1.3 of the Australian 



Greenhouse Office’s material on Field Measurement Procedures for Carbon 

Accounting has been completed. Each plot has had between 2-4 take-off-

points installed and planting boundaries mapped with GPS (max error +/- 7m). 

The digital shape files of the plots at both sites have been forwarded to the 

cartographic officer at DEC’s Information Management Branch in preparation 

for the production of Deposited Plans. DEC has a process in place to develop 

Deposited Plans for Conservation Covenants and this process can be initiated 

for the Carbon Right and Carbon Covenant, if required by the Department of 

Treasury and Finance.   

 

 



 

 

 



 

 

 



 

 

 



 

 

 



 

 

 



 

 

 



 

 

 



 

 

 



 

 

 



 

 

 



3

APPENDIX 1: Location of the plots at Lake Warden and Lake Bryde. 

 

 

 



 

 

 



 

 

4



 

 

 



 

 

 



 

 

 



5

APPENDIX 2: Species lists 

 

Lake Bryde plantings 

 

Block G 


Eucalyptus calcigona   

 

Eucalyptus dissimulata 

 

 

Eucalyptus kondininensis 

 

 

Eucalyptus perangusta 

 

 

Eucalyptus phenax 

 

 

Eucalyptus sporadica  

 

Eucalyptus subgrandis 

 

 

Eucalyptus tenera 

 

 

Melaleuca acuminata  

 

Melaleuca adnata 

 

 

Melaleuca atroviridis   

 

Melaleuca depauperata 

 

 

Melaleuca laterflora   

 

Melaleuca scalena 

 

 

Melaleuca thyoides 

 

 

Block D 


Eucalyptus dissimulata 

 

 

Eucalyptus kondininensis 

 

 

Eucalyptus perangusta 

 

 

Eucalyptus phenax 

 

 

Eucalyptus sporadica  

 

Eucalyptus subgrandis 

 

 

Eucalyptus tenera 

 

 

Melaleuca adnata 

 

 

Melaleuca atroviridis   

 

Melaleuca brophyi 

 

 

Melaleuca carrii 

 

 

Melaleuca depauperata 

 

 

Melaleuca hamulosa   

 

Melaleuca laterflora   

 

Melaleuca scalena 

 

 

Melaleuca thyoides

   

 

 

Block S2 



Eucalyptus calcigona   

 

Eucalyptus perangusta 

 

 

Eucalyptus phenax 

 

 

Eucalyptus sporadica  

 

Eucalyptus subgrandis 

 

 

Melaleuca acuminata  

 

Melaleuca atroviridis   

 

Melaleuca brophyi 

 

 

Melaleuca carrii 

 

 

Melaleuca laterflora   

 

Melaleuca scalena 

 

 

Melaleuca thyoides

   

 

 



 

 

 

6



 

7

Lake Warden plantings  

 

Salt tolerant  



Acacia cyclops 

Acacia saligna 

Atriplex paladosa/versicaria 

Eucalyptus angustissima 

Eucalyptus densa subsp. densa 

Eucalyptus halophila 

Eucalyptus occidentalis 

Eucalyptus rigens 

Ghania trifida 

Hakea adnata 

Halosarcia halocnedmoides spp caudate 

Halosarcia indica ssp bidens 

Isolepis nodosa 

Melaleuca brevifolia 

Melaleuca cuticularis 

Melaleuca lanceolata 

Melaleuca thyoides 

 

Sandplain 



Acacia cochlearis 

Banksia speciosa 

Eucalyptus angulosa 

Eucalyptus platypus var heterophylla 

Eucalyptus incrassata 

Eucalyptus uncinata 

Hakea corymbosa 

Hakea nitida 

Lambertia inermis 

Melaleuca striata 

Melaleuca thymoides 

Phymatocarpus maxwellii 

Calothamnus quadrifidus

 

 

Mixed Heath 



Combination of Salt Tolerant and Sandplain 



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