HOME >> BIOLOGY >> NEWS
Duke Studies Show U.S. Central Plains Vulnerable To Global Warming

BALTIMORE, Md. -- By analyzing how the northern U.S. Central Plains changed between grassland and forest due to past climate changes, Duke University ecologists have offered further evidence that the region will likely undergo drastic ecological changes due to 21st-century global warming.

In a report prepared for a meeting of the Ecological Society of America (ESA), the Duke scientists said the region responded readily to climate changes lasting decades or centuries during the mid-Holocene period -- 8,000 to 4,000 years ago -- by flip-flopping between grassland and forest. During this period, immediately after the last ice age, the region underwent many such short-term cycles of warming and cooling.

"We're finding that this system is really responsive, with the grasslands expanding eastward into forests and an increase in burning of this tallgrass prairie," said lead author James Clark, a professor of botany. Other co-authors of the paper were graduate students Eric Grimm and Jason Lynch.

In a variety of other Duke papers prepared for the meeting, Clark and his colleagues also reported more advances in understanding the ecological impact of global warming, including effects of climate change on carbon release from peatlands and on seed germination. This work was sponsored by the National Science Foundation and the Department of Energy.

Also at the meeting, the Duke ecologists reported other basic ecological studies that included methods to predict tree mortality, the effects of seed-eating predators on the production of seedlings and how seed dispersal affects biodiversity. This work was sponsored by the National Science Foundation.

In their studies of climate changes in the Central Plains, Clark and his colleagues analyzed pollen and fire-produced charcoal laid down in sediments in lakes in western Montana, the Dakotas, Nebraska, Minnesota and Wisconsin. Their analyses revealed the plants that dominated t
'"/>

Contact: Monte Basgall
Monte@dukenews.duke.edu
919-681-8057
Duke University Medical Center
4-Aug-1998


Page: 1 2 3 4

Related biology news :

1. Monkey business: Studies show tiny callimicos have unusual characteristics
2. Studies show success of Mectizan partnerships
3. Studies offer new insight into HIV vaccine development
4. Studies suggest brain injury results from developmental exposure to alcohol, anesthesia, and lead
5. Studies show preventive value of food supplements
6. Studies probe rapid evolution of Chinese tallow trees
7. Studies of rare blood syndrome yield novel route to cancer
8. Studies dispute ultraviolet effect on amphibian population declines
9. Studies of spiders silk reveal unusual strength
10. Studies of genes in mice and common worm may accelerate research on blood diseases, cancers
11. Studies offer data on potential impact of Reminyl on caregiver burden in Alzheimers disease

Post Your Comments:
*Name:
*Comment:
*Email:


(Date:2/8/2017)... About Voice Recognition Biometrics Voice recognition biometrics ... a stored voiceprint template. Acoustic features of an ... are compared to distinguish between individual voices. Voice ... PCs already have a microphone and can authenticate ... are most likely to be deployed in telephone-based ...
(Date:2/7/2017)... 2017   MedNet Solutions , an innovative SaaS-based ... clinical research, is pleased to announce that the latest ... highly flexible and award winning eClinical solution, is now ... is a proven Software-as-a-Service (SaaS) clinical research technology ... but also delivers an entire suite of eClinical tools ...
(Date:2/3/2017)... A new independent identity strategy consultancy firm ... . Designed to fill a critical niche in technical ... partners Mark Crego and Janice Kephart ... identity expertise that span federal governments, the 9/11 Commission, ... combined expertise has a common theme born from a ...
Breaking Biology News(10 mins):
(Date:2/23/2017)... (PRWEB) , ... February 23, 2017 , ... ... studies (such as insulin, cortisol, CRP, adiponectin, uric acid, and/or other biomarkers or ... Salivary Insulin Assay from Salimetrics’ SalivaLab , the relationship between insulin and ...
(Date:2/23/2017)... ... February 22, 2017 , ... Seventy-one members of ... Fellows of the Society this year, the Fellows Committee has announced. The honor ... optics, photonics, and imaging as well as their service to the Society and ...
(Date:2/22/2017)... , Feb. 22, 2017 Scientists propose in ... and organ damage in Gaucher and maybe other lysosomal ... and lower costs than current therapies. An ... Medical Center , which also included investigators from the ... report their data Feb. 22. The study was conducted ...
(Date:2/22/2017)... Dublin - Research and Markets has ... Market-By Type, By Application, By End User, By Region, By Country: ... ... Market is forecasted to grow at a CAGR of 11.33% during ... crop protection market is driven by the surging demand for less ...
Breaking Biology Technology:
Cached News: