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25-Apr-2019 22:32

climate change that affects all species individualistically) and observed (e.g., by testing model predictions against actual events in the paleorecord, such as the late Pleistocene megafaunal extinctions).This will give us an idea of how resilient different species were to climate and human impacts and whether properties of the overall interaction networks predict the vulnerability of individual species.A beloved holiday tradition returns.’Twas the night before Kitzmas and all through the land, No creationist was stirring, not even Ken Ham; The briefs had been drafted and filed with great care, In part 1, I observed that there are two obstacles that might seem to face teachers wanting to use recent extreme weather, like Hurricane Harvey, in teaching about climate change: the complexities...This project also involves La Brea curators and staff, and Dr. Stay up-to-date with this project on twitter at #La Brea Webs and on our blog Dr.Emily Lindsey Assistant Curator & Excavation Site Director, La Brea Tar Pits & Museum My research integrates information from past and modern ecosystems to understand how Ice Age animals and environments functioned, how climate conditions and human actions intersect to drive extinctions, and to predict future ecological responses in the face of modern global change.My research focuses mainly on carnivore functional morphology. To date we have focused on using 3D dental microwear to evaluate the degree of hard object feeding in cats and bears. Directly linking radiocarbon ages with isotopic results permits the reconstruction of diet and ecology of the species and will help determine if they were influenced by changing climatic conditions over the past 50,000 years.

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Most of these insect species are still living today though not necessarily in southern California.Today's research ranges from carbon-14 dating projects to asphalt-dwelling microbial ecology to traditional taxonomic and functional studies. The collections are available for any appropriately qualified person interested in doing formal research.All inquiries must be made through the Collections Manager, including requests for loans of specimens. Please review our destructive analysis policy here.Recent studies include insect trace fossils in bone and wood, exquisite preservation of leafcutter bee nests and pupae, identification of previously undescribed plant galls and new methods to extract asphalt from insects for radiocarbon dating. Greg Mc Donald Regional Paleontologist for the Bureau of Land Management, Utah State Office, Salt lake City, UT My research focus at Rancho La Brea is on the giant ground sloths and trying to understand their paleoecology.

I am also interested in the taphonomy of asphalt deposits and how Rancho La Brea compares to other similar deposits which preserve Pleistocene faunas, especially those in South America that also include ground sloths.A recently completed study was a revision and re-description of the extinct California Turkey, Meleagris californica, coauthored with Dr. Other families of birds are also being prepared for detailed revisionary studies.