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 ix List of Figures Figure 1. Darwin Harbour Integrated Marine Monitoring and Research Program subprograms and development. ................................................................................ 2 Figure 2. Extent of the 2015 digital high resolution aerial photography with 2016 photography inserted ........................................................................................... 5 Figure 3. The 1996 mapping scale of 1:25,000 (1 to 1) ...................................................... 6 Figure 4. Extent of the Mangroves of the Darwin Region, IMMRP monitoring area and Darwin Harbour 1996 mapping ............................................................................ 7 Figure 5. 1:8,000 scale aerial photo 2016 (1 to 1) .............................................................. 8 Figure 6. Rainfall trend (BOM) .......................................................................................... 12 Figure 7. Mangrove clearing map of Darwin Harbour. Cleared areas are shown in red. .. 14 Figure 8. Pre-Cyclone Tracy (1974) with 1996 line work in red ........................................ 15 Figure 9. Post-Cyclone Tracy (1975) with 1996 line work in red ...................................... 15 Figure 10. Charles Darwin National Park-seaward edge. Red line work pertains to the 1996 mapping and the yellow line work to the 2016 mapping .................................... 16 Figure 11. Increased spatial delineation of vegetation communities in 2016 (yellow) compared to the 1996 mapping (red). ............................................................... 18 Figure 12. Increased spatial scale and refinement of community boundaries. Original 1996 line work black. .................................................................................................. 19 Figure 13. Sonneratia boundary 2004 showing the 1996 map linework ............................. 21 Figure 14. Sonneratia boundary 2016 showing the 1996 map linework. Note the increase on seaward edge .................................................................................................... 21 Figure 15. 1996 mapping overlayed on a 1945 aerial photograph with reasonable boundary correlation .......................................................................................................... 22 Figure 16. 1996 mapping overlayed on a 1974 pre-cyclone aerial photograph with reasonable boundary correlation ....................................................................... 23 Figure 17. 1996 mapping overlayed on a 1975 post-cyclone aerial photograph showing cyclone damage ................................................................................................ 24 Figure 18. 2016 imagery with 1996 mangrove map boundaries and 2016 boundaries (yellow) ........................................................................................................................... 25 Figure 19. Charles Darwin National Park (Site locations in black and foliage cover yellow to green) ................................................................................................................ 27 Figure 20. Time series data ................................................................................................... 28