ENSO feedback drives variations in dieback at a marginal mangrove site

Abstract Ocean–atmosphere climatic interactions, such as those resulting from El Niño Southern Oscillation (ENSO) are known to influence sea level, sea surface temperature, air temperature, and rainfall in the western Pacific region, through to the north-west Australian Ningaloo coast. Mangroves are...

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Autores principales:	S. M. Hickey, B. Radford, J. N. Callow, S. R. Phinn, C. M. Duarte, C. E. Lovelock
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/f7691b7ca5b44ca8bb1fcd505c8d447c
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spelling	oai:doaj.org-article:f7691b7ca5b44ca8bb1fcd505c8d447c2021-12-02T14:26:12ZENSO feedback drives variations in dieback at a marginal mangrove site10.1038/s41598-021-87341-52045-2322https://doaj.org/article/f7691b7ca5b44ca8bb1fcd505c8d447c2021-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-87341-5https://doaj.org/toc/2045-2322Abstract Ocean–atmosphere climatic interactions, such as those resulting from El Niño Southern Oscillation (ENSO) are known to influence sea level, sea surface temperature, air temperature, and rainfall in the western Pacific region, through to the north-west Australian Ningaloo coast. Mangroves are ecologically important refuges for biodiversity and a rich store of blue carbon. Locations such as the study site (Mangrove Bay, a World Heritage Site within Ningaloo Marine Park and Cape Range National Park) are at the aridity range-limit which means trees are small in stature, forests small in area, and are potentially susceptible to climate variability such as ENSO that brings lower sea level and higher temperature. Here we explore the relationship between mangrove dieback, and canopy condition with climatic variables and the Southern Oscillation Index (SOI)—a measure of ENSO intensity, through remote sensing classification of Landsat satellite missions across a 29 year period at a north-west Australian site. We find that the SOI, and seasonal mean minimum temperature are strongly correlated to mangrove green canopy (as indicator of live canopy) area. This understanding of climate variations and mangrove temporal heterogeneity (patterns of abundance and condition) highlights the sensitivity and dynamics of this mangrove forest and recommends further research in other arid and semi-arid tropical regions at mangrove range-limits to ascertain the extent of this relationship.S. M. HickeyB. RadfordJ. N. CallowS. R. PhinnC. M. DuarteC. E. LovelockNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q S. M. Hickey B. Radford J. N. Callow S. R. Phinn C. M. Duarte C. E. Lovelock ENSO feedback drives variations in dieback at a marginal mangrove site
description	Abstract Ocean–atmosphere climatic interactions, such as those resulting from El Niño Southern Oscillation (ENSO) are known to influence sea level, sea surface temperature, air temperature, and rainfall in the western Pacific region, through to the north-west Australian Ningaloo coast. Mangroves are ecologically important refuges for biodiversity and a rich store of blue carbon. Locations such as the study site (Mangrove Bay, a World Heritage Site within Ningaloo Marine Park and Cape Range National Park) are at the aridity range-limit which means trees are small in stature, forests small in area, and are potentially susceptible to climate variability such as ENSO that brings lower sea level and higher temperature. Here we explore the relationship between mangrove dieback, and canopy condition with climatic variables and the Southern Oscillation Index (SOI)—a measure of ENSO intensity, through remote sensing classification of Landsat satellite missions across a 29 year period at a north-west Australian site. We find that the SOI, and seasonal mean minimum temperature are strongly correlated to mangrove green canopy (as indicator of live canopy) area. This understanding of climate variations and mangrove temporal heterogeneity (patterns of abundance and condition) highlights the sensitivity and dynamics of this mangrove forest and recommends further research in other arid and semi-arid tropical regions at mangrove range-limits to ascertain the extent of this relationship.
format	article
author	S. M. Hickey B. Radford J. N. Callow S. R. Phinn C. M. Duarte C. E. Lovelock
author_facet	S. M. Hickey B. Radford J. N. Callow S. R. Phinn C. M. Duarte C. E. Lovelock
author_sort	S. M. Hickey
title	ENSO feedback drives variations in dieback at a marginal mangrove site
title_short	ENSO feedback drives variations in dieback at a marginal mangrove site
title_full	ENSO feedback drives variations in dieback at a marginal mangrove site
title_fullStr	ENSO feedback drives variations in dieback at a marginal mangrove site
title_full_unstemmed	ENSO feedback drives variations in dieback at a marginal mangrove site
title_sort	enso feedback drives variations in dieback at a marginal mangrove site
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/f7691b7ca5b44ca8bb1fcd505c8d447c
work_keys_str_mv	AT smhickey ensofeedbackdrivesvariationsindiebackatamarginalmangrovesite AT bradford ensofeedbackdrivesvariationsindiebackatamarginalmangrovesite AT jncallow ensofeedbackdrivesvariationsindiebackatamarginalmangrovesite AT srphinn ensofeedbackdrivesvariationsindiebackatamarginalmangrovesite AT cmduarte ensofeedbackdrivesvariationsindiebackatamarginalmangrovesite AT celovelock ensofeedbackdrivesvariationsindiebackatamarginalmangrovesite
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ENSO feedback drives variations in dieback at a marginal mangrove site

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