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LSU professor discovers new species

species and several other closely related species in order to help our diagnosis," he said. "Using DNA to help describe new species is becoming one of the most important tools for scientists to use in documenting and describing biodiversity." The global decline of biodiversity has become a major public issue recently, and the use of modern molecular methods is proving to be fundamental in gaining a better understanding of the situation.

The new species is distinguishable from its closest cousin, a type of skink found in the southern Philippines, in several distinct ways:

  • different color patterns;
  • its structure, or morphology;
  • differences in scale count, which is one of the basic ways scientists distinguish between species;
  • and significant genetic variations.

These traits combined to confirm the original hypothesis that the lizard was, in fact, an entirely new species.

Austin spent the entire summer of 2006 in New Guinea, his geographical area of expertise, conducting fieldwork with graduate students. He is currently working on research funded by the National Science Foundation to understand why New Guinea, called a megadiverse region, has such a high level of biodiversity.

"While we were there, we collected what we think is a new species of snake, a new species of lizard and probably two or three new species of frogs," he said. "But the process of certifying a new species takes so long that it will be awhile before we're certain."


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Source:Louisiana State University


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