Remembering the Gulf: Changes to the marine communities of the Sea of Cortez since the Steinbeck and Ricketts expedition of 1940

Raphael D Sagarin, William F. Gilly, Charles H. Baxter, Nancy Burnett, Jon Christensen

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

One of the most storied biological expeditions is the 1940 trip to the Sea of Cortez (Gulf of California) by author John Steinbeck and his close friend Edward F Ricketts, a professional biologist. Steinbeck and Ricketts visited intertidal sites around the Gulf and made extensive collections, taking notes on fauna and natural history. In 2004, we retraced the Steinbeck and Ricketts voyage, visiting the same intertidal sites during the same season and using the authors' extensive natural history notes as a baseline for comparison. Although we found many of the same species as they did, populations were, in many cases, not as geographically widespread, and individuals were fewer in number and smaller in size. In particular, echinoderms and large gastropods showed declines, as did most large pelagic vertebrate species. One of the most remarkable changes in the pelagic community is the present abundance of jumbo squid, Dosidicus gigas, a species not reported in 1940. Although Steinbeck and Ricketts, by their own admission, "could not yet relate the microcosm of the Gulf with the macrocosm of the sea", the changes we observed with historical perspective are in agreement with documented changes in ocean and coastal ecosystems around the world.

Original languageEnglish (US)
Pages (from-to)372-379
Number of pages8
JournalFrontiers in Ecology and the Environment
Volume6
Issue number7
DOIs
StatePublished - Sep 2008
Externally publishedYes

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Dosidicus gigas
Gulf of California
natural history
Echinodermata
biologists
Gastropoda
oceans
echinoderm
historical perspective
vertebrates
fauna
history
microcosm
gastropod
ecosystems
vertebrate
ocean
sea
gulf

ASJC Scopus subject areas

  • Ecology
  • Environmental Science(all)

Cite this

Remembering the Gulf : Changes to the marine communities of the Sea of Cortez since the Steinbeck and Ricketts expedition of 1940. / Sagarin, Raphael D; Gilly, William F.; Baxter, Charles H.; Burnett, Nancy; Christensen, Jon.

In: Frontiers in Ecology and the Environment, Vol. 6, No. 7, 09.2008, p. 372-379.

Research output: Contribution to journalArticle

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