“When (volcanic) ash falls into the ocean, it brings with it nutrients. For example, It can bring iron, which is usually quite low in the ocean. It can suddenly create a bloom of plankton, which then go through the food chain, creating a population boom later on the fish and other lives too.”
Source: Shane J. Cronin (2022) cited in: " Interview: Tonga volcanic eruption not likely to cause global climate change, says New Zealand volcanologist http://www.xinhuanet.com/english/asiapacific/20220118/dc046e9e38e343a381668086f1b71d0e/c.html" in Xinhua Net, 18 January 2022.
Help us to complete the source, original and additional information
Shane J. Cronin 1
researcher, ORCID id # 0000-0001-7499-603XRelated quotes

“For the same reason that no one can help the fish to find the ocean.”
Discovery
One Minute Wisdom (1989)
Context: "Help us to find God."
"No one can help you there."
"Why not?"
"For the same reason that no one can help the fish to find the ocean."

Announcing his candidature for the Chief Minister of Tamil Nadu, as quoted in " Anbumani projects himself as CM candidates, seeks vote for change http://timesofindia.indiatimes.com/city/coimbatore/Anbumani-projects-himself-as-CM-candidates-seeks-vote-for-change/articleshow/48047305.cms", The Times of India (13 July 2015)
Kim, W. Chan, and Renée Mauborgne. "Blue ocean strategy: from theory to practice." California Management Review 47.3 (2005). p. 105
Finding Our Way: Leadership For an Uncertain Time (2005)

“And thou, vast ocean! on whose awful face
Time’s iron feet can print no ruin-trace.”
The Omnipresence of the Deity, Part i, reported in Bartlett's Familiar Quotations, 10th ed. (1919). Compare: "Man marks the earth with ruin,—his control / Stops with the shore", Lord Byron, Childe Harold's Pilgrimage, Canto iv, stanza 179.

Source: [A sea ethic: floating the Ark, Blue Ocean Institute, 2005, http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.495.177&rep=rep1&type=pdf]