Territory Stories

Development of an integrated long-term mangrove monitoring program for Darwin Harbour. Sub-project A: Mangrove community mapping: Charles Point to Gunn Point 2016

Details:

Title

Development of an integrated long-term mangrove monitoring program for Darwin Harbour. Sub-project A: Mangrove community mapping: Charles Point to Gunn Point 2016

Other title

Sub-project A: Mangrove community mapping: Charles Point to Gunn Point 2016

Creator

Brocklehurst, P; Edmeades, B; Northern Territory. Department of Environment and Natural Resources. Rangelands Division

Editor

Hill, J.V.

Collection

E-Publications; E-Books; PublicationNT; DENR Technical Report 19/2018

Date

2019-08-01

Location

Darwin Harbour; Shoal Bay

Description

This report describes the updated mangrove communities for the approximately 32,000 ha of mangroves and salt flats that line the foreshores of Darwin Harbour, Shoal Bay and areas south of Charles Point and Gunn Point. Results indicate that there has not been any significant, discernible or substantive changes in mangrove forest composition in Darwin Harbour between 1996 and 2016.

Map scale

1:8,000

Notes

Made available via the Publications (Legal Deposit) Act 2004 (NT)

Table of contents

1. Introduction; 2. Objectives; 3. Methods; 4. Results and discussion; 5. Conclusion; 6. Recommendations; 7. Bibliography; 8. Appendix.

Language

English

Subject

Mangroves; Mangrove community mapping; Map unit; Vegetation mapping

Publisher name

Northern Territory Government

Place of publication

Palmerston

Series

DENR Technical Report 19/2018

Format

x 77 pages; colour illustrations and maps; x 30 cm

File type

application/pdf

ISBN

9781743501764

Use

Attribution International 4.0 (CC BY 4.0)

Copyright owner

Northern Territory Government

License

https://creativecommons.org/licenses/by/4.0/

Related links

http://www.ntlis.nt.gov.au/metadata/export_data?type=html&metadata_id=87F656131848A609E050CD9B214417E1

Parent handle

https://hdl.handle.net/10070/754065

Citation address

https://hdl.handle.net/10070/780401

Page content

Mangrove Monitoring Project: Sub-project A v Table of Contents Executive Summary ............................................................................................................... 3 Acknowledgements ............................................................................................................... 4 1. Introduction ................................................................................................................... 1 1.1 The Integrated Marine Monitoring and Research Program ....................................... 1 1.2 Remote sensing for mangrove monitoring pilot project: Rationale and objectives .... 2 2. Objectives ...................................................................................................................... 4 3. Methods ......................................................................................................................... 5 3.1 IMMRP study site ...................................................................................................... 5 3.2 High resolution digital aerial photography: 2015, 2016 ............................................. 5 3.3 Darwin Harbour mangrove mapping 1996 ................................................................. 5 3.4 Mangroves of the Darwin Region mapping ............................................................... 6 3.5 IMMRP mangrove mapping ....................................................................................... 6 3.6 Analysis: Change Detection 1996-2016 .................................................................... 8 4. Results & Discussion ................................................................................................... 9 4.1 Community Summary Tables .................................................................................... 9 4.1.1 Darwin Harbour .................................................................................................. 9 4.1.2 IMMRP monitoring area ................................................................................... 10 4.2 Mangrove Extent and Change ................................................................................. 11 4.2.1 Mangrove Extent Change: Clearing in Darwin Harbour (1996-2016) ............... 13 4.2.2 Mangrove Extent Change: Recovery from Cyclone Tracy ............................... 15 4.2.3 Mangrove Extent Change: Darwin Harbour Communities ............................... 17 4.2.4 Community boundary change over time: visual interpretation.......................... 22 4.2.5 Limitations of Current Approach to quantify change ........................................ 25 4.2.6 Foliage cover change ....................................................................................... 26 5. Conclusion .................................................................................................................. 29 6. Recommendations ...................................................................................................... 30 7. Bibliography ................................................................................................................ 31 8. Appendix ..................................................................................................................... 34 8.1 Community Descriptions .......................................................................................... 34 8.1.1 Map Unit Variables ........................................................................................... 34 8.1.2 Map Unit Descriptions ...................................................................................... 35