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Attached to the e-mail MCU22/0203 and OPW22/0304 - SRA application correspondence - SARA referral agency response.
Dog Beach Sand Nourishment Project: Marine Plant Monitoring Plan Reference: R.A10342.002.00.Marine Plant MP.docx Date: June 2021 Confidential G:\admin-share\Admin\A10342.g.mpb.NoosaSpitSEMPdesign\R.A10342.002.00.Marine Plant MP.docx
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Document Control Sheet
Document: R.A10342.002.00.Marine Plant MP.docx
BMT Commercial Australia Pty Ltd
Level 5, 348 Edward Street Title: Dog Beach Sand Nourishment Project:
Brisbane Qld 4000 Marine Plant Monitoring Plan
Australia
PO Box 203, Spring Hill 4004 Project Manager: Lisa McKinnon
Tel: +61 7 3831 6744 Author: Suanne Richards
Fax: + 61 7 3832 3627
Client: Noosa Shire Council
ABN 54 010 830 421
Client Contact:
www.bmt.org
Client Reference:
Synopsis: This Monitoring Plan details procedures to assess long term impacts on marine
plants and fisheries resources following installation of the proposed sand plugs
and sand nourishment works at Dog Beach.
REVISION/CHECKING HISTORY
Revision Number Date Checked by Issued by
th
00 29 June 2021 LCM LCM
DISTRIBUTION
Destination Revision
0 1 2 3 4 5 6 7 8 9 10
NSC PDF
BMT File PDF
BMT Library PDF
Copyright and non-disclosure notice
The contents and layout of this report are subject to copyright owned by BMT Commercial Australia Pty Ltd (BMT CA) save to the extent
that copyright has been legally assigned by us to another party or is used by BMT CA under licence. To the extent that we own the
copyright in this report, it may not be copied or used without our prior written agreement for any purpose other than the purpose
indicated in this report.
The methodology (if any) contained in this report is provided to you in confidence and must not be disclosed or copied to third parties
without the prior written agreement of BMT CA. Disclosure of that information may constitute an actionable breach of confidence or may
otherwise prejudice our commercial interests. Any third party who obtains access to this report by any means will, in any event, be
subject to the Third Party Disclaimer set out below.
Third Party Disclaimer
Any disclosure of this report to a third party is subject to this disclaimer. The report was prepared by BMT CA at the instruction of, and
for use by, our client named on this Document Control Sheet. It does not in any way constitute advice to any third party who is able to
access it by any means. BMT CA excludes to the fullest extent lawfully permitted all liability whatsoever for any loss or damage
howsoever arising from reliance on the contents of this report.
Commercial terms
BMT requests the ability to discuss and negotiate in good faith the terms and conditions of the proposed terms of engagement, to
facilitate successful project outcomes, to adequately protect both parties and to accord with normal contracting practice for
engagements of this type.
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Dog Beach Sand Nourishment Project: Marine Plant Monitoring Plan i
Contents
Contents
1 Introduction 1
2 Monitoring Plan 2
2.1 Scope 2
2.2 Objectives 5
2.3 Responsibilities and Obligations 5
2.4 Qualifications 5
2.5 Timing 5
2.6 Monitoring 5
2.7 Evaluation and Adaptive Management 6
2.8 Corrective Actions 6
2.9 Reporting 7
2.10 Finalisation 7
List of Figures
Figure 2-1 Location of Marine Plant Disturbance 4
List of Tables
Table 2-1 Monitoring Report Requirements 7
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Dog Beach Sand Nourishment Project: Marine Plant Monitoring Plan 1
Introduction
1 Introduction
Noosa Shire Council submitted a Development Application for Operational Works to remove, destroy
or damage Marine Plants associated with the proposed Beach Nourishment Project at Dog Beach,
Noosa Spit Recreation Reserve. This Technical Memorandum addresses the following items of the
information request for the application (State Assessment and Referral Agency - SARA reference
2103-21744 SRA: Council reference: OPW21/0049):
• Item 1: provide plans showing the location and area (in m2) of all marine plants to be impacted by
the proposal, including dead wood and wrack. Plans should include areas to be both directly and
indirectly impacted and clearly delineate areas of permanent and temporary disturbance
• Item 2: provide a monitoring plan detailing how marine plant restoration will be monitored,
including an alert action plan to address any issues that may arise.
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Dog Beach Sand Nourishment Project: Marine Plant Monitoring Plan 2
Monitoring Plan
2 Monitoring Plan
This Monitoring Plan (the plan) details procedures to assess long term impacts on marine plants and
fisheries resources associated with the construction and operation of sand nourishment works at
Dog Beach.
The plan will be maintained for a period of 3 years after completion of the works unless corrective
actions are implemented.
The plan provides the following elements:
• Scope: activities and locations the plan applies to
• Objectives: purpose of the monitoring plan
• Responsibilities and obligations for monitoring and evaluation
• Qualifications: mandatory qualifications for persons undertaking monitoring and evaluation
• Timing: sets the frequency and intervals for monitoring events
• Monitoring: monitoring procedures to be implemented post-construction including measures of
vegetation cover and composition; ground/substrate/tidal conditions
• Evaluation and Adaptive Management: procedures to evaluate monitoring results and implement
adaptive measures
• Corrective actions: procedures to implement restoration and/or offsets
• Reporting: requirements for monitoring and evaluation reporting.
2.1 Scope
Figure 2-1 shows the concept design for the proposed works in relation to marine plant communities.
The dune woodland adjacent to the proposed sand nourishment area comprises terrestrial
vegetation, sits above Highest Astronomical Tide and is not considered to support direct fisheries
values. However, the foredune supports sparse Cynodon dactylon and Melaleuca quinquenervia,
which can be considered marine plants under the Fish Habitat Management Operational Policy. The
proposed sand nourishment fronting the dune will be placed to avoid vegetation and will not directly
impact on living marine plants within the foreshore.
The sand plug and sand nourishment at the eastern end of Dog Beach will occur directly adjacent to
Avicennia marina, Excoecaria agallocha, Sporobolus virginicus and Sesuvium portulacastrum
marine plants. Based on the concept design for the proposed works it is anticipated there will be no
direct impacts to marine plants within this area.
Fallen, dead trees on Dog Beach occur on tidal land and are considered marine plants for the
purposes of the Fisheries Act 1994. The fallen trunks will be smothered during sand nourishment
resulting in the permanent removal of approximately 244.2m2 of marine plants.
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Dog Beach Sand Nourishment Project: Marine Plant Monitoring Plan 3
Monitoring Plan
The western sand plug may impact on 45.9m2 of subtidal detritus which is considered a marine plant
for the purposes of the Fisheries Act 1994. It is anticipated detritus will re-establish following works
and the impacts are likely to be temporary.
In summary, the proposed works as illustrated in Figure 2-1 may impact on the following marine
plants:
• permanent removal of 244.2m2 of fallen dead trees on tidal lands
• temporary disturbance to 45.9m2 of subtidal detritus.
It is not anticipated marine plants associated with the dune woodland or in intertidal zones at the
eastern end of Dog Beach will be directly impacted by the works.
This plan will be implemented to monitor impacts associated with the sand nourishment works on
land-based, live marine plants and to alert an action plan to address any issues that may have long
term impacts on fisheries resources.
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Dog Beach Sand Nourishment Project: Marine Plant Monitoring Plan 4
Monitoring Plan
Figure 2-1 Location of Marine Plant Disturbance
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Dog Beach Sand Nourishment Project: Marine Plant Monitoring Plan 5
Monitoring Plan
2.2 Objectives
The objective of this plan is to measure and evaluate the extent, condition and composition of live
marine plants following construction of the beach nourishment works and to implement adaptive
measures and/or corrective actions, as required, to ensure living marine plants in the disturbance
area are consistent with pre-construction conditions or better.
Refer to Noosa Spit Coastal Protection Environmental Assessment for pre-construction marine plant
conditions within the study site (BMT 6th January 2021: R.A1032.002.00_Environmental
Assessment.docx).
2.3 Responsibilities and Obligations
Noosa Shire Council is responsible for implementing and reporting on this plan.
2.4 Qualifications
Monitoring and associated reporting shall be performed by a qualified ecologist with experience in
marine plant and fisheries habitat site assessments in south-east Queensland.
2.5 Timing
The monitoring schedule will consist of the following site surveys:
• A post construction monitoring survey within two months of construction completion
• Survey conducted six months after the post-construction survey
• Yearly for a period of three years after completion of the works.
Program timing may be adjusted in the event adaptive management measures and/ or corrective
actions are required.
The monitoring programme can conclude after a period of three years following completion of the
works and once it is demonstrated there is no, to very low, potential for long-term impacts on living
marine plants associated with sand nourishment. Conclusion of the program shall be approved by
the Queensland Department of Agriculture and Fisheries (DAF).
2.6 Monitoring
Monitoring assessments of the study site will be undertaken by a suitably qualified ecologist to
measure and evaluate live marine plants and fisheries resources following construction and to
identify any potential management issues.
Site record sheets and permanently established photo monitoring points will be used for recording
and monitoring marine plant condition. The assessment will involve traverses of the entire study site
to describe and map the presence of land-based marine plant communities and evidence of
associated fisheries habitat values. Site data will be recorded at representative locations and will
include:
• Photographs at established monitoring points
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Dog Beach Sand Nourishment Project: Marine Plant Monitoring Plan 6
Monitoring Plan
• identification of dominant plant species, including native and exotic taxa
• estimates of vegetation and species cover
• description of habitat features, including fisheries resources and tidal influence
• georeferencing of significant features.
2.7 Evaluation and Adaptive Management
Adaptive management measures will be developed if the monitoring identifies:
• direct disturbance to living marine plant communities associated with sand nourishment works
• a reduction in living marine plant condition and/or extent compared with pre-construction
vegetation communities (refer Section 2.2) within a year of completion of the works; and/or
• modified site conditions associated with sand nourishment works which may reduce the long-term
values or extent of marine plants, such as weeds and habitat modifications rendering conditions
no longer suitable for marine plant growth.
Adaptive management measures may include pest control and/or ground works to promote
conditions suitable for local marine plants. This plan will be updated as required to reflect adaptive
management measures implemented.
Any changes to the monitoring plan shall be made in consultation with and approved by DAF.
2.8 Corrective Actions
Corrective actions may be required if the monitoring results indicate works associated with the beach
nourishment project could have a long-term impact or significant residual impact on living marine
plants.
Significant residual impacts on marine plants include:
• Private works impacting on more than 17sqm of fish habitat; and
○ there is a reduction in the extent of marine plants through removal, destruction or damage of
marine plants; or
○ fragmentation or increased fragmentation of a marine ecological community; or
○ adverse changes affecting survival of marine plants through modifying or destroying abiotic
(non-living) factors (such as water, nutrients, or soil) necessary for a marine plant’s survival;
or
○ alteration in the species composition of marine plants in an ecological community, that causes
a decline or loss of functionally important species; or
○ interference with the natural recovery of marine plant communities.
Site-specific corrective actions will be determined in consultation with, and to be approved by, DAF.
This monitoring plan will be updated to address remediation measures which may include:
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Dog Beach Sand Nourishment Project: Marine Plant Monitoring Plan 7
Monitoring Plan
• Site restoration (ground works to reinstate conditions suitable for marine plants; revegetation;
pest control);
• Direct offsets (onsite/offsite fish habitat enhancement/ restoration/ rehabilitation/ connectivity/
creation); and/ or
• Indirect financial offsets.
Any changes to this monitoring plan shall be made in consultation with and approved by DAF.
2.9 Reporting
Table 2-1 outlines reporting requirements under this plan. All reports are to be submitted to and
signed off by DAF.
Table 2-1 Monitoring Report Requirements
Report Details Timing Prepared By
Marine plant and fisheries • Within two months of Qualified ecologist
resource assessment in construction being
accordance with this plan. completed;
• Six months following the first
post construction monitoring
survey;
• Yearly for a period of three
years after completion of the
works unless adaptive
measures and corrective
actions are implemented.
Update of this plan to reflect As required Qualified ecologist
adaptive management measures
taken, if required.
Update of this plan to reflect As required Qualified ecologist
corrective actions taken, if
required, such as:
• Site Restoration Plan, and/or
• Offset Delivery Plan.
Final Report: summary and Once it is demonstrated after a Qualified ecologist
conclusion of the monitoring minimum of three years there is
plan. no to very low potential for long-
term impacts on living marine
plants
2.10 Finalisation
The monitoring plan can conclude after a period of three years following completion of the works and
once it is demonstrated there is no, to very low, potential for long-term impacts on live marine plants.
Conclusion of the program shall be approved by DAF.
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enhances our ability to meet our client’s most challenging needs.
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