[OANNES Foro] Tsunami-driven rafting: Transoceanic species dispersal and implications for marine biogeography

Mario Cabrejos casal en infotex.com.pe
Sab Sep 30 11:37:59 PDT 2017


Science  29 Sep 2017:
Vol. 357, Issue 6358, pp. 1402-1406
DOI: 10.1126/science.aao1498


 


Tsunami-driven rafting: Transoceanic species dispersal and implications for
marine biogeography


1.    James T. Carlton
<http://science.sciencemag.org/content/357/6358/1402?utm_campaign=toc_sci-ma
g_2017-09-28&et_rid=34815706&et_cid=1570651#aff-1> 1,
<http://science.sciencemag.org/content/357/6358/1402?utm_campaign=toc_sci-ma
g_2017-09-28&et_rid=34815706&et_cid=1570651#aff-2> 2,
<http://science.sciencemag.org/content/357/6358/1402?utm_campaign=toc_sci-ma
g_2017-09-28&et_rid=34815706&et_cid=1570651#corresp-1> *, John W. Chapman
<http://science.sciencemag.org/content/357/6358/1402?utm_campaign=toc_sci-ma
g_2017-09-28&et_rid=34815706&et_cid=1570651#aff-3> 3, Jonathan B. Geller
<http://science.sciencemag.org/content/357/6358/1402?utm_campaign=toc_sci-ma
g_2017-09-28&et_rid=34815706&et_cid=1570651#aff-4> 4, Jessica A. Miller
<http://science.sciencemag.org/content/357/6358/1402?utm_campaign=toc_sci-ma
g_2017-09-28&et_rid=34815706&et_cid=1570651#aff-3> 3, Deborah A. Carlton
<http://science.sciencemag.org/content/357/6358/1402?utm_campaign=toc_sci-ma
g_2017-09-28&et_rid=34815706&et_cid=1570651#aff-1> 1, Megan I. McCuller
<http://science.sciencemag.org/content/357/6358/1402?utm_campaign=toc_sci-ma
g_2017-09-28&et_rid=34815706&et_cid=1570651#aff-1> 1,
<http://science.sciencemag.org/content/357/6358/1402?utm_campaign=toc_sci-ma
g_2017-09-28&et_rid=34815706&et_cid=1570651#fn-1> †, Nancy C. Treneman
<http://science.sciencemag.org/content/357/6358/1402?utm_campaign=toc_sci-ma
g_2017-09-28&et_rid=34815706&et_cid=1570651#aff-5> 5, Brian P. Steves
<http://science.sciencemag.org/content/357/6358/1402?utm_campaign=toc_sci-ma
g_2017-09-28&et_rid=34815706&et_cid=1570651#aff-6> 6, Gregory M. Ruiz
<http://science.sciencemag.org/content/357/6358/1402?utm_campaign=toc_sci-ma
g_2017-09-28&et_rid=34815706&et_cid=1570651#aff-6> 6,
<http://science.sciencemag.org/content/357/6358/1402?utm_campaign=toc_sci-ma
g_2017-09-28&et_rid=34815706&et_cid=1570651#aff-7> 7

ˇ          


Long-distance life rafting


When coastal ecosystems are affected by storms or tsunamis, organisms can be
rafted across oceans on floating debris. However, such events are rarely
observed, still less quantified. Carlton et al. chart the rafting journeys
of coastal marine organisms across the Pacific Ocean after the 2011 East
Japan earthquake and tsunami (see the Perspective by Chown). Of the nearly
300 mainly invertebrate species that reached the shores of the U.S. Pacific
Northwest, most arrived attached to the remains of manmade structures.

Science, this issue p.
<http://science.sciencemag.org/lookup/doi/10.1126/science.aao1498> 1402; see
also p.  <http://science.sciencemag.org/lookup/doi/10.1126/science.aao5677>
1356

 


Abstract


The 2011 East Japan earthquake generated a massive tsunami that launched an
extraordinary transoceanic biological rafting event with no known historical
precedent. We document 289 living Japanese coastal marine species from 16
phyla transported over 6 years on objects that traveled thousands of
kilometers across the Pacific Ocean to the shores of North America and
Hawai‘i. Most of this dispersal occurred on nonbiodegradable objects,
resulting in the longest documented transoceanic survival and dispersal of
coastal species by rafting. Expanding shoreline infrastructure has increased
global sources of plastic materials available for biotic colonization and
also interacts with climate change–induced storms of increasing severity to
eject debris into the oceans. In turn, increased ocean rafting may intensify
species invasions.

 



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