Model Systems for a No-analog Future

The early view version of Model systems for a no-analog future: species associations and climates during the last deglaciation has just been published online (Williams et al, 2013, in a special issue of the Annals of the New York Academy of Sciences). With global climate change, Earth ecosystems may be moving into novel states that have no modern analogs. Thus, predicting and modeling the behavior of these ecosystems present major challenges. This paper explores model systems from the last deglaciation that also have no modern analogs and how these may help understand future ecosystem response. The paper, which utilizes pollen data from Neotoma, emanates from a workshop "Climate Change and Species Interactions: Ways Forward" held at the Cary Institute of Ecosystem Studies in November, 2012.

Posted by Eric Grimm on 08/28

PAGES News report on the updated Latin American Pollen Database

A report by Suzette Flantua et al. on the status of and updates to the Latin American Pollen Database (LAPD) appears in the August 2013 issue of PAGES News. LAPD is a Neotoma constituent database.

Posted by Eric Grimm on 08/27

Age Models, Chronologies, and Databases Workshop

Date: January 13-16, 2014 in Belfast, Northern Ireland
Contact: Dr. Eric Grimm

This workshop aims to develop strategies for updating chronologies in a semi-automated manner for paleo databases given new criteria, for example a new radiocarbon calibration curve or revised ages for stratigraphic/biostratigraphic markers (e.g. tephras).  Applications for attendance now being accepted.  Click here for more information.

Posted by Blake Ketchum on 06/20

Neotoma R package now available!

Simon Goring has developed an R package to use the new API tools to interface with the Neotoma Paleoecology Database directly from R.  Great job by Simon!  Check the package out here.

Posted by Jessica Blois on 04/11

New Quick-start for TaxaMapper

The TaxaMapper application has been updated with a new quick-start user guide. Go to TaxaMapper and click the "?" button to view illustrated step-by-step instructions for common tasks.

Posted by Brian Bills on 03/13

GDM paper featuring Neotoma data now available online at Ecography

GDM paper featuring Neotoma data now available online at Ecography

A paper by Jessica Blois, Jack Williams, and co-authors is now available online early at Ecography (link).  This paper paired fossil pollen assemblages across eastern North America from the Neotoma database with paleoclimatic simulations to model the climatic drivers of fossil pollen dissimilarity across space over the past 21,000 years.  We found that the set of climate variables associated with dissimilarity between fossil pollen assemblages across eastern North America changed over the past 21,000 years. Higher magnitudes of climate change between time periods meant lower prediction strength when projecting spatial models of community dissimilarity to different time periods.

Posted by Jessica Blois on 10/29

Try the new TaxaMapper tool

TaxaMapper is a web application that enables you to map occurrences of taxa from the Neotoma database at different time periods. Create multiple layers of taxon versus time, combine them into new layers with AND/OR operations, and customize layer symbology to visually analyze spatiotemporal patterns. Additional features coming soon include search wildcards (e.g. Bison*) and minimum pollen abundance thresholds.

Posted by Brian Bills on 09/05

Article on Neotoma submitted to JVP

Hi Everyone,

Several of us (Eric, Jessica, Brian and myself) contributed to a general article on databases in veretbrate paleontology which has been submitted to the Journal of Vertebrate Paleontology for publication. Our contribution featured FAUNMAP and Neotoma.


Posted by Russ Graham on 05/10

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