Development of an integrated long-term mangrove monitoring program for Darwin Harbour. Sub-project A: Mangrove community mapping: Charles Point to Gunn Point 2016
Sub-project A: Mangrove community mapping: Charles Point to Gunn Point 2016
Brocklehurst, P; Edmeades, B; Northern Territory. Department of Environment and Natural Resources. Rangelands Division
Hill, J.V.
E-Publications; E-Books; PublicationNT; DENR Technical Report 19/2018
2019-08-01
Darwin Harbour; Shoal Bay
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.
1:8,000
Made available via the Publications (Legal Deposit) Act 2004 (NT)
1. Introduction; 2. Objectives; 3. Methods; 4. Results and discussion; 5. Conclusion; 6. Recommendations; 7. Bibliography; 8. Appendix.
English
Mangroves; Mangrove community mapping; Map unit; Vegetation mapping
Northern Territory Government
Palmerston
DENR Technical Report 19/2018
x 77 pages; colour illustrations and maps; x 30 cm
application/pdf
9781743501764
Attribution International 4.0 (CC BY 4.0)
Northern Territory Government
https://creativecommons.org/licenses/by/4.0/
http://www.ntlis.nt.gov.au/metadata/export_data?type=html&metadata_id=87F656131848A609E050CD9B214417E1
https://hdl.handle.net/10070/754065
https://hdl.handle.net/10070/780401
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