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Sustainability 2018, 10(3), 635; https://doi.org/10.3390/su10030635

Changes in the Ecological Environment of the Marginal Seas along the Eurasian Continent from 2003 to 2014

1
State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China
2
Ocean College, Zhejiang University, Zhoushan 316021, China
3
Department of Oceanography, National Sun Yat-sen University, Kaohsiung 80424, Taiwan
*
Author to whom correspondence should be addressed.
Received: 17 December 2017 / Revised: 6 February 2018 / Accepted: 22 February 2018 / Published: 28 February 2018
(This article belongs to the Special Issue Marine Carbon Cycles)
Full-Text   |   PDF [9309 KB, uploaded 28 February 2018]   |  

Abstract

Based on time-series satellite-retrieved records of the marine ecological environment from Aqua/MODIS, we investigated changes in the sea surface temperature (SST), photosynthetically active radiation (PAR), Secchi Disc depth (SDD), and chlorophyll-a concentration (Chla) in 12 Eurasian marginal seas from 2003 to 2014. Results showed that the SST increased in all 12 marginal seas, with the enclosed marginal seas (i.e., Black Sea, Baltic Sea, Japan Sea, Mediterranean Sea, and Persian Gulf) exhibiting relatively higher rates of increase. The PAR generally decreased, except in the European marginal seas, though not significantly. Similar to the changes in the SST, the SDD increased in all 12 marginal seas, with a maximum rate of 3.02%/year (or 0.25 m/year, p = 0.0003) found in the Persian Gulf. As expected, Chla generally decreased in the tropical marginal seas, but increased in the high-latitude marginal seas. The different relationships between SST and Chla changes indicate the complexity of global warming effects on marine phytoplankton in different marginal seas. View Full-Text
Keywords: marine ecological environment; marginal seas; Eurasian continent; satellite observations marine ecological environment; marginal seas; Eurasian continent; satellite observations
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Bai, Y.; He, X.; Yu, S.; Chen, C.-T.A. Changes in the Ecological Environment of the Marginal Seas along the Eurasian Continent from 2003 to 2014. Sustainability 2018, 10, 635.

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