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titleDrones

Recent advances in drone technologies have provided significant opportunities for providing detailed information on mangroves including:

  • Extent of mangroves and proximal land covers as well as proportional information

  • Plant species composition (primarily overstored)

  • Canopy cover (overstorey)

  • Canopy height (using stereo imagery; Otero et al., 2018))

  • Change categories (e.g., disturbance, regeneration, dieback).

A number of drone datasets have been made available through the portal including:

Drone data and derived products relevant to mangroves can be uploaded to the TERN Mangrove Portal. A major future benefit of providing these data is that the community has access to a historical and permanent record of mangrove states and dynamics, which can provide invaluable information on the impacts of human-induced and natural environmental change.

References =

Otero, V., Van De Kerchove, R., Satyanarayana, B., Martinez-Espinoas, C., Fisol, M.A.B., Ibrahim, M.R.B., Sulong, I., Mohd-Lokman, H, Lucas, R.M. and Dahdouh-Guebas, F. (2018). Managing mangrove forests from the sky: forest inventory using field data and Unmanned Aerial Vehicle (UAV) imagery in the Matang Mangrove Forest Reserve, peninsular Malaysia. Forest Ecology and Management, 411, 35–45, https://doi.org/10.1016/j.foreco.2017.12.049

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titlePhotographs

Photographs taken from aircraft that are or have the capacity to be georeferenced provide a valuable source of information that can inform the past states of mangroves and provide a record against which to assess future change. Hence, this section of the TERN Mangrove Portal provides the opportunity to view and download photographs of mangroves throughout Australia.