Yangtze River floods enhance coastal ocean phytoplankton biomass and potential fish production

Gwo Ching Gong, Kon Kee Liu, Kuo Ping Chiang, Tung Ming Hsiung, Jeng Chang, Chung Chi Chen, Chin Chang Hung, Wen Chen Chou, Chih Ching Chung, Hung Yu Chen, Fuh Kwo Shiah, An Yi Tsai, Chih Hao Hsieh, Jen Chieh Shiao, Chun Mao Tseng, Shih Chieh Hsu, Hung Jen Lee, Ming An Lee, I. I. Lin, Fujung Tsai

Research output: Contribution to journalArticle

53 Citations (Scopus)

Abstract

The occurrence of extreme weather conditions appears on the rise under current climate change conditions, resulting in more frequent and severe floods. The devastating floods in southern China in 2010 and eastern Australia 2010-2011, serve as a solemn testimony to that notion. Accompanying the excess runoffs, elevated amount of terrigenous materials, including nutrients for microalgae, are discharged to the coastal ocean. However, how these floods and the materials they carry affect the coastal ocean ecosystem is still poorly understood. Yangtze River (aka Changjiang), which is the largest river in the Eurasian continent, flows eastward and empties into the East China Sea. Since the early twentieth century, serious overflows of the Changjiang have occurred four times. During the two most recent ones in July 1998 and 2010, we found total primary production in the East China Sea reaching 147 × 10 3 tons carbon per day, which may support fisheries catch as high as 410 × 103 tons per month, about triple the amount during non-flooding periods based on direct field oceanographic observations. As the frequencies of floods increase world wide as a result of climate change, the flood-induced biological production could be a silver lining to the hydrological hazards and human and property losses inflicted by excessive precipitations.

Original languageEnglish
Article numberL13603
JournalGeophysical Research Letters
Volume38
Issue number13
DOIs
Publication statusPublished - 2011 Jul 1

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phytoplankton
fishes
biomass
rivers
oceans
ocean
fish
China
river
climate change
hydrological hazard
fisheries
biological production
nutrients
ecosystems
continents
drainage
weather
twentieth century
hazards

ASJC Scopus subject areas

  • Geophysics
  • Earth and Planetary Sciences(all)

Cite this

Yangtze River floods enhance coastal ocean phytoplankton biomass and potential fish production. / Gong, Gwo Ching; Liu, Kon Kee; Chiang, Kuo Ping; Hsiung, Tung Ming; Chang, Jeng; Chen, Chung Chi; Hung, Chin Chang; Chou, Wen Chen; Chung, Chih Ching; Chen, Hung Yu; Shiah, Fuh Kwo; Tsai, An Yi; Hsieh, Chih Hao; Shiao, Jen Chieh; Tseng, Chun Mao; Hsu, Shih Chieh; Lee, Hung Jen; Lee, Ming An; Lin, I. I.; Tsai, Fujung.

In: Geophysical Research Letters, Vol. 38, No. 13, L13603, 01.07.2011.

Research output: Contribution to journalArticle

Gong, GC, Liu, KK, Chiang, KP, Hsiung, TM, Chang, J, Chen, CC, Hung, CC, Chou, WC, Chung, CC, Chen, HY, Shiah, FK, Tsai, AY, Hsieh, CH, Shiao, JC, Tseng, CM, Hsu, SC, Lee, HJ, Lee, MA, Lin, II & Tsai, F 2011, 'Yangtze River floods enhance coastal ocean phytoplankton biomass and potential fish production', Geophysical Research Letters, vol. 38, no. 13, L13603. https://doi.org/10.1029/2011GL047519
Gong, Gwo Ching ; Liu, Kon Kee ; Chiang, Kuo Ping ; Hsiung, Tung Ming ; Chang, Jeng ; Chen, Chung Chi ; Hung, Chin Chang ; Chou, Wen Chen ; Chung, Chih Ching ; Chen, Hung Yu ; Shiah, Fuh Kwo ; Tsai, An Yi ; Hsieh, Chih Hao ; Shiao, Jen Chieh ; Tseng, Chun Mao ; Hsu, Shih Chieh ; Lee, Hung Jen ; Lee, Ming An ; Lin, I. I. ; Tsai, Fujung. / Yangtze River floods enhance coastal ocean phytoplankton biomass and potential fish production. In: Geophysical Research Letters. 2011 ; Vol. 38, No. 13.
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