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Mapping submerged vegetation and water quality using multi- and hyperspectral imagery of Oristano Gulf (Italy)

  • Monica Pinardi
  • Salvatore Mangano
  • Andrea Pellegrino
  • Alice Fabbretto
  • Claudia Giardino
  • Andrea Taramelli
  • Andrea Satta
  • Mariano Bresciani

Shallow water habitats are among the most important and productive ecosystems on the planet. These ecosystems, which include seagrass meadows, are important biodiversity hotspots. The spread of seagrass can be managed by looking at the seabed cover and how it changes over the year. To this end, satellite-derived products of substrate and vegetation cover at different spatio-temporal resolutions can help water managers and users to better understand and manage seagrass beds in shallow waters (Kutser et al., 2022). The main objective of this study is to test and apply algorithms to obtain bottom substrate, canopy cover together with water quality maps (e.g. SPM, Chl-a) from hyperspectral (e.g. PRISMA) and multispectral (e.g. Sentinel-2) satellite data. The study is developed in the framework of the PRISMA SCIENZA OVERSEE project and focuses on the coastal areas of the Gulf of Oristano (Sardinia, Italy). Changes in substrate cover have been tracked for the period May-October 2022. Spatio-temporal variability of Posidonia oceanica has been studied and discussed in relation to environmental features and human activities.

  • Keywords:
  • Seagrass,
  • Remote Sensing,
  • PRISMA,
  • Water Quality,
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Monica Pinardi

CNR-IREA, Institute of Electromagnetic Sensing of the Environment, Italy - ORCID: 0000-0001-5289-8842

Salvatore Mangano

CNR-IREA, Institute of Electromagnetic Sensing of the Environment, Italy

Andrea Pellegrino

CNR-IREA, Institute of Electromagnetic Sensing of the Environment, Italy - ORCID: 0009-0002-4152-3409

Alice Fabbretto

CNR-IREA, Institute of Electromagnetic Sensing of the Environment, Italy - ORCID: 0009-0006-8025-9179

Claudia Giardino

CNR-IREA, Institute for Electromagnetic Sensing of the Environment, Italy - ORCID: 0000-0002-3937-4988

Andrea Taramelli

Institute for Advanced Study of Pavia, Italy - ORCID: 0000-0003-0865-4124

Andrea Satta

CNR – IAS Institute for the study of Anthropic impact and Sustainability in marine environment, Italy - ORCID: 0000-0001-8411-1872

Mariano Bresciani

CNR-IREA, Institute for Electromagnetic Sensing of the Environment, Italy - ORCID: 0000-0002-7185-8464

  1. Boudouresque C.F., Pergent G., Pergent-Martini C., Ruitton S., Thibaut T., Verlaque M. (2016) - The necromass of the Posidonia oceanica seagrass meadow: fate, role, ecosystem services and vulnerability. Hydrobiologia, 781, 25-42. DOI: 10.1007/s10750-015-2333-y
  2. Reynolds, P.L., Duffy, E., Knowlton, N. (2018). Seagrass and seagrass beds. Ocean Portal 16, no. 3 (2018): 10. http://ocean.si.edu/seagrass-and-seagrass-beds
  3. Appolloni L., Sandulli R., Vetrano G., Russo G.F. (2018) - Assessing the effects of habitat patches ensuring propagule supply and different costs inclusion in marine spatial planning through multivariate analyses. J. Environ. Manage. 214: 45-55. DOI: 10.1016/j.jenvman.2018.02.091
  4. Appolloni L., Sandulli R., Bianchi C.N., Russo, G.F. (2018) - Spatial analyses of an integrated landscape-seascape territorial system: The case of the overcrowded Gulf of Naples, Southern Italy. Journal of Environmental Accounting and Management, 6(4), 365-380. DOI: 10.5890/JEAM.2018.12.009
  5. Borfecchia F., Consalvi N., Micheli C., Carli F.M., Cognetti De Martiis, S., Gnisci, V., ... & Marcelli, M. (2019) - Landsat 8 OLI satellite data for mapping of the Posidonia oceanica and benthic habitats of coastal ecosystems. Int. J. Remote Sens. 40: 1548-1575 DOI: 10.20944/preprints202110.0248.v1
  6. Kutser T., Hedley J., Giardino C., Roelfsema C., Brando V.E. (2020) - Remote sensing of shallow waters –A 50 year retrospective and future directions. Remote Sensing of Environment, 240, 111619. DOI: 10.1016/j.rse.2019.111619
  7. Dekker A.G., Phinn S.R., Anstee J., Bissett P., Brando V.E., Casey B., Fearns P., Hedley J., Klonowski W., Lee Z.P., Lynch M., Lyons M., Mobley C., Roelfsema C. (2011) - Intercomparison of shallow water bathymetry, hydro-optics, and benthos mapping techniques in Australian and Caribbean coastal environments. Limnol. Oceanogr-Meth. 9, 396-42. DOI: 10.4319/lom.2011.9.396
  8. Appolloni L., Buonocore E., Russo G.F., Franzese P.P. (2020) - The use of remote sensing for monitoring Posidonia oceanica and Marine Protected Areas: A systemic review. Ecological Questions, 31(2), 7-17. DOI: 10.12775/EQ.2020.009
  9. Giardino C., Candiani G., Bresciani M., Lee Z., Gagliano S., Pepe M. (2012) -BOMBER: A tool for estimating water quality and bottom properties from remote sensing images. Computers & Geosciences 45, 313-318. DOI: 10.1016/j.cageo.2011.11.022
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  • Anno di pubblicazione: 2024
  • Pagine: 274-281

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  • Anno di pubblicazione: 2024

Informazioni sul capitolo

Titolo del capitolo

Mapping submerged vegetation and water quality using multi- and hyperspectral imagery of Oristano Gulf (Italy)

Autori

Monica Pinardi, Salvatore Mangano, Andrea Pellegrino, Alice Fabbretto, Claudia Giardino, Andrea Taramelli, Andrea Satta, Mariano Bresciani

Lingua

English

DOI

10.36253/979-12-215-0556-6.24

Opera sottoposta a peer review

Anno di pubblicazione

2024

Copyright

© 2024 Author(s)

Licenza d'uso

CC BY-NC-SA 4.0

Licenza dei metadati

CC0 1.0

Informazioni bibliografiche

Titolo del libro

Tenth International Symposium "Monitoring of Mediterranean Coastal Areas: Problems and Measurement Techniques"

Sottotitolo del libro

Livorno (Italy) 11th-13th June 2024

Curatori

Laura Bonora, Marcantonio Catelani, Matteo De Vincenzi, Giorgio Matteucci

Opera sottoposta a peer review

Anno di pubblicazione

2024

Copyright

© 2024 Author(s)

Licenza d'uso

CC BY-NC-SA 4.0

Licenza dei metadati

CC0 1.0

Editore

Firenze University Press

DOI

10.36253/979-12-215-0556-6

eISBN (pdf)

979-12-215-0556-6

eISBN (xml)

979-12-215-0557-3

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Monitoring of Mediterranean Coastal Areas: Problems and Measurement Techniques

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2975-0288

59

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