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Coral Reefs Hold Surprising Species Diversity
2013-12-14 04:35:27

redOrbit Staff & Wire Reports - Your Universe Online It is widely known that coral reefs are being put in jeopardy by rising water temperatures caused by climate change. A team of marine biologists, led by Penn State University, has made a surprising discovery that suggests that very similar looking coral species actually differ in how they survive in harsh environments. "We've found that previously unrecognized species diversity was hiding some corals' ability to respond to climate...

Charles Darwin Was Right - Some Species Can't Make The Trip
2012-08-28 11:07:18

April Flowers for redOrbit.com - Your Universe Online In 1880 Charles Darwin hypothesized that most species could not disperse across the Eastern Pacific Barrier (EPB). A new study, led by Iliana Baums, assistant professor of biology at Penn State University, is the first comprehensive test of that hypothesis using coral. The study, to be published in Molecular Ecology, found that a coral species in abundance from Indonesia eastward to Fiji, Samoa and the Line Islands rarely crosses the...

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2009-02-24 13:48:14

The evolutionary tendency of corals to alter their skeletal structure makes it difficult to assign them to different species. Researchers writing in the open access journal BMC Evolutionary Biology have used genetic markers to examine coral groupings and investigate how these markers relate to alterations in shape, in the process discovering that our inaccurate picture of coral species is compromising our ability to conserve coral reefs. Zac Forsman led a team of researchers from University...

2007-07-03 09:17:10

By Lopez-Perez, R A Mora-Perez, M G; Leyte-Morales, G E Abstract: Over the past decades there has been an increasing awareness of community structure and dynamics in eastern Pacific coral reef systems, yet the processes producing these patterns are poorly known. We conducted a quantitative analysis of patterns of sexual and asexual recruitment through fragmentation at six localities in Huatulco, Mexico. Between January 2001 and January 2002, sexual recruitment was evaluated by using...


Word of the Day
cacodemon
  • An evil spirit; a devil.
  • A nightmare.
  • In astrology, the twelfth house of a scheme or figure of the heavens: so called from its signifying dreadful things, such as secret enemies, great losses, imprisonment, etc.
'Cacodemon' comes from a Greek term meaning 'evil genius.'
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