Sentences with word «paleoecologist»

That's according to research presented by paleoecologists at a recent American Geophysical Union conference.

««The Illinois State Museum is deeply respected in the scientific community for the expertise of its curators and for its irreplaceable collection of archaeological, cultural, and paleontological artifacts,» says paleoecologist Jack Williams of [UW], Madison, who has used the Neotoma database to explore vegetation change over the past 20,000 years on a continental and global scale.

Lisa Graumlich, a University of Washington paleoecologist who served on another British group, led by Lord Ronald Oxburgh, looked into a broader charge: whether there was something «fundamentally broken» about the integrity of the Climate Research Unit.

«The Illinois State Museum is deeply respected in the scientific community for the expertise of its curators and for its irreplaceable collection of archaeological, cultural, and paleontological artifacts,» says paleoecologist Jack Williams of the University of Wisconsin, Madison, who has used the Neotoma database to explore vegetation change over the past 20,000 years on a continental and global scale.

Ten years ago, paleoecologist Karen Chin of the University of Colorado Boulder described finding large pieces of rotted wood in dino dung.

New research by UC quaternary paleoecologist Brooke Crowley, assistant professor of geology and anthropology, shows that although many lemurs typically stay put for most of their lives, their mobility may have decreased in recent years, possibly due to the deforestation of Madagascar by its human inhabitants.

«They have evidence that hominids in Africa had already been impacting the size distribution of mammals on that continent before Homo sapiens evolved,» says paleoecologist Emily Lindsey, assistant curator and excavation site director of the La Brea Tar Pits Museum in Los Angeles, who was not involved in the study.

The notion that the moth mouthparts arose before a big floral takeover sounds plausible to paleoecologist Conrad Labandeira of the Smithsonian Institution in Washington, D.C. Drinking - straw mouthparts had evolved in at least three other big insect groups (dipteran flies, lacewings and scorpionflies) somewhat before the full floral evolutionary extravaganza.

For Arens, a plant paleoecologist who believes that the fossil record should be viewed through a modern biological lens, the findings could be exploited to investigate a long - puzzling question.»

Paleoanthropologist William Kimbel, anthropologist Katie Hinde, and paleoecologist Kaye Reed, all at ASU, began preparing the statement weeks ago, after learning of an impending Science story on alleged sexual misconduct by Brian Richmond, a paleoanthropologist at the American Museum of Natural History in New York City.

To infer past climates, paleoecologist Ken Cole of the U.S. Geological Survey's Colorado Plateau Field Station in Flagstaff, Arizona, and his colleagues have spent 25 years sifting through ancient dung piles, or middens, of packrats.

The discovery of a wetter climate a mere few thousand years ago represents «a classic surprise in paleoecology,» says paleoecologist Sara Hotchkiss of the University of Wisconsin, Madison.

«At least a dozen species in the ocean Columbus sailed were bigger than his biggest ship,» says marine paleoecologist Jeremy Jackson of the Smithsonian Tropical Research Institute in Panama.

Using genetic and paleoecological evidence, University of Utah anthropological geneticist Dennis O'Rourke, University of Colorado archaeologist John Hoffecker and University of London paleoecologist Scott Elias were able to bolster a long - standing theory known as the «Beringian Standstill.»

In recent years, however, several paleoecologists have collected sediment cores from areas in and around Beringia that contain plant, insect and pollen fossils.

In a glass case in his laboratory, paleoecologist Paul S. Martin at the University of Arizona keeps a lump of dried dung he found in a Grand Canyon cave, left by a sloth weighing 200 pounds.

The team also found DNA from a form of marine alga in 9300 - year - old sediments, though the alga doesn't show up in the fossil record until 2500 years ago, says molecular paleoecologist Marco Coolen of the Woods Hole Oceanographic Institution in Massachusetts and an author of the Black Sea paper.

Paleoecologist Eric Grimm couldn't even imagine an electronic database for his field when he joined the Illinois State Museum in 1987 as a postdoc.

Biologists and paleoecologists estimate that humans have driven roughly 1,000 species extinct in our 200,000 years on the planet.

Jacquelyn Gill, a University of Wisconsin at Madison paleoecologist, recently used pollen records from an Indiana lake to prove that the disappearance of mammoths and other large herbivores had a major impact on the types of trees that flourished in the region more than 15,000 years ago.

In one of the few studies to directly address Vera's claims, paleoecologist Fraser Mitchell of Trinity College in Dublin compared Irish pollen records to those from mainland Europe from around the same time.

A research team led by University of Wisconsin - Milwaukee paleoecologist Erik Gulbranson has found the fossil remnants of a Permian - age forest on the frozen...

As a result, the average mammal mass has shrunk more than tenfold over the last 125,000 years, University of New Mexico paleoecologist Felisa Smith told Seeker.

Updated, July 16, 8:37 a.m. What happens when a podcast producer connects a climate - focused paleoecologist, a climate - freaked blogging meteorologist and a longtime climate journalist?

Jacquelyn Gill is a talented young paleoecologist at the University of Maine — achieving lead - author status as a graduate student back in 2009 on a much - cited paper in Science that shed light on what did, and didn't, contribute to the great die - off of mammoths and other «megafauna» in North America as the last ice age ended.

«That's what we call polar amplification,» says Tamara Fletcher, a team member and paleoecologist at the University of Montana in Missoula.

Now, collaborating with Emily Lindsey, a paleoecologist at La Brea, Klapper plans to use more sophisticated radiology techniques to diagnose the deformity and possibly deduce clues about the cat's lifestyle.

Hawaiians have told stories about colossal tsunamis hitting the islands for generations, but possible evidence of these massive waves was only first detected in the late 1990s when David Burney, a paleoecologist at the National Tropical Botanical Garden in Kalaheo, was excavating the Makauwahi sinkhole, a collapsed limestone cave on the south shore of Kauai.

The key question, says Eske Willerslev, a paleoecologist at the University of Copenhagen and a co-author of the study, is when the ice - free corridor really became viable for humans to cross it.

«This is a really neat and pioneering study,» says Stephen Jackson, a paleoecologist with the U.S. Geological Survey's Southwest Climate Science Center in Tucson, Arizona, who was not involved in the work.

Henk Brinkhuis, a paleoecologist at the University of Utrecht in the Netherlands, analyzed marine fossils from a layer of rock in northwest Tunisia that was deposited soon after the impact.

Maarten Blaauw, a paleoecologist at Queen's University Belfast in the United Kingdom, finds the new work convincing.

This finding is the first evidence of a marsupial — living or extinct — making round trip migrations, says study coauthor Gilbert Price, a paleoecologist at the University of Queensland in Brisbane, Australia.

«The idea... that the shift... occurred so recently — 4.5 million years ago — is surprising,» says Felisa Smith, a paleoecologist at the University of New Mexico in Albuquerque, who was not involved in the work but studies body size evolution.

«The use of the wind simulation is clever,» says Suzanne Pilaar Birch, a paleoecologist and archaeologist at the University of Georgia in Athens who wasn't involved with the study.

«At the time that the otter lived, the area where its remains were found included a swamp or a shallow lake surrounded by evergreen forest or dense woodland,» said Su, a paleoecologist at the Cleveland Museum of Natural History and one of the leaders of the Shuitangba Project that discovered the fossil otter.

And in what might prove an enduring lesson in conservation, paleoecologists have shown that 20 out of 21 large mammals in India — from leopards to muntjac deer — have survived there for the past 100,000 years alongside one of the largest human populations on the planet.

Even so, people should take a really hard look at management practices that go after the largest individuals, says Blaire Van Valkenburgh, a paleoecologist at the University of California, Los Angeles, who was not involved with the work.

On a recent Warm Regards climate podcast, I joined co-host Jacquelyn Gill, a paleoecologist at the University of Maine, in a chat with the co-creator and executive producer of the Years series, David Gelber.

Incidentally, the climate and energy factor in the presidential election will be a central focus of this week's installment of «Our Warm Regards,» a new podcast on climate science and communication spearheaded by Slate's blogging meteorologist Eric Holthaus and including the paleoecologist Jacquelyn Gill (focused on past and future climate impacts on ecosystems) and yours truly.

«People are just beginning to try to quantify this in a serious way,» said Dr. David Hopkins, a paleoecologist at the University of Alaska, whose observations have indicated a recent movement of trees in the Seward Peninsula of Alaska into regions that had been too cold for them.

This record of past environments — assembled from an analysis of frozen core samples (defined) of Walden's sediments — was taken by Marjorie Winkler, a paleoecologist at the University of Wisconsin - Madison's Center for Climatic Research.

But there is a Dr. Rolf W. Mathewes, who is a paleoecologist — and I would be surprised to find him supporting the Heartland document.