Abstract：
:Mangroves are highly susceptible to oil exposure. Depending on the severity, oil exposure can result in initial defoliation and eventual recovery through to mass mortality and complete loss of habitat. Some aspects of the impact of oil on mangroves and their recovery are well studied, but the focus has been on short-term responses, and the understanding of the longer-term trajectory of mangrove recovery from oiling is very limited. Here, we combine field results from sampling in the two years following a significant oiling event, with analysis of canopy cover in aerial images from before the event to 26 years afterwards. Approximately 100 ha of a monospecific stand of Avicenna marina mangroves were oiled as a result of a spill from the Era tanker in Spencer Gulf in southern Australia in September 1992. While lightly oiled trees made a full recovery, trees in heavily oiled areas experienced mass defoliation and ultimately mortality within several months of the oiling event. An analysis of aerial images indicated that there was no recovery in heavily oiled areas for 10 years following the oiling event. Between 10 and 25 years, seedling establishment and growth saw canopy cover increase to 35% of pre-oiling cover within heavily oiled areas. Predictive modelling estimates that complete recovery of mangroves to pre-oiling cover will take 55 years (median prediction in 2047). Our findings indicate that although mangroves can recover following a heavy oiling event, the rate of recovery can be slow, with full recovery in the order of half a century, much longer than has previously been anticipated.
journal_name
Mar Pollut Bulljournal_title
Marine pollution bulletinauthors
Connolly RM,Connolly FN,Hayes MAdoi
10.1016/j.marpolbul.2020.110965subject
Has Abstractpub_date
2020-04-01 00:00:00pages
110965eissn
0025-326Xissn
1879-3363pii
S0025-326X(20)30083-7journal_volume
153pub_type
杂志文章abstract：:This study reports the mass fractions of Al, Cr, Mn, Fe, Co, Zn, As, Ni, Cu, Cd, Hg, and Pb in water and sediments of the Halda river, Bangladesh, and studies the distribution, contamination, and potential ecological risks of the metals and metalloid. The average mass fractions of As, Cd, and Pb are relatively higher ...
journal_title：Marine pollution bulletin
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journal_title：Marine pollution bulletin
pub_type： 杂志文章
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journal_title：Marine pollution bulletin
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journal_title：Marine pollution bulletin
pub_type： 杂志文章
doi：10.1016/j.marpolbul.2018.10.032
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journal_title：Marine pollution bulletin
pub_type： 杂志文章
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journal_title：Marine pollution bulletin
pub_type： 杂志文章
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journal_title：Marine pollution bulletin
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journal_title：Marine pollution bulletin
pub_type： 杂志文章
doi：10.1016/j.marpolbul.2005.09.015
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journal_title：Marine pollution bulletin
pub_type： 杂志文章
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pub_type： 杂志文章
doi：10.1016/j.marpolbul.2011.06.002
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journal_title：Marine pollution bulletin
pub_type： 杂志文章
doi：10.1016/j.marpolbul.2011.10.027
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journal_title：Marine pollution bulletin
pub_type： 杂志文章
doi：10.1016/j.marpolbul.2016.06.039
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journal_title：Marine pollution bulletin
pub_type： 杂志文章
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journal_title：Marine pollution bulletin
pub_type： 杂志文章
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journal_title：Marine pollution bulletin
pub_type： 杂志文章
doi：10.1016/j.marpolbul.2014.07.017
更新日期：2014-09-15 00:00:00
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journal_title：Marine pollution bulletin
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journal_title：Marine pollution bulletin
pub_type： 杂志文章
doi：10.1016/s0025-326x(02)00087-5
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journal_title：Marine pollution bulletin
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journal_title：Marine pollution bulletin
pub_type： 杂志文章
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journal_title：Marine pollution bulletin
pub_type： 杂志文章
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journal_title：Marine pollution bulletin
pub_type： 杂志文章
doi：10.1016/j.marpolbul.2011.04.001
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journal_title：Marine pollution bulletin
pub_type： 杂志文章
doi：10.1016/j.marpolbul.2014.01.036
更新日期：2014-03-15 00:00:00
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journal_title：Marine pollution bulletin
pub_type： 杂志文章
doi：10.1016/j.marpolbul.2012.01.005
更新日期：2012-03-01 00:00:00
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journal_title：Marine pollution bulletin
pub_type： 杂志文章
doi：10.1016/j.marpolbul.2020.110956
更新日期：2020-04-01 00:00:00
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journal_title：Marine pollution bulletin
pub_type： 杂志文章
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更新日期：2019-03-01 00:00:00
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journal_title：Marine pollution bulletin
pub_type： 杂志文章
doi：10.1016/j.marpolbul.2008.07.014
更新日期：2008-12-01 00:00:00
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journal_title：Marine pollution bulletin
pub_type： 杂志文章
doi：10.1016/j.marpolbul.2010.08.016
更新日期：2010-12-01 00:00:00
