NSF Org:	DEB Division Of Environmental Biology
Recipient:	UNIVERSITY OF GEORGIA RESEARCH FOUNDATION, INC.
Initial Amendment Date:	August 23, 1996
Latest Amendment Date:	August 13, 2002
Award Number:	9632854
Award Instrument:	Continuing Grant
Program Manager:	Henry L. Gholz DEB  Division Of Environmental Biology BIO  Directorate for Biological Sciences
Start Date:	October 15, 1996
End Date:	September 30, 2004 (Estimated)
Total Intended Award Amount:	$6,000,086.00
Total Awarded Amount to Date:	$6,714,562.00
Funds Obligated to Date:	FY 1996 = $1,000,000.00 FY 1997 = $15,000.00 FY 1998 = $1,106,562.00 FY 1999 = $1,412,960.00 FY 2000 = $1,055,041.00 FY 2001 = $1,055,029.00 FY 2002 = $1,069,970.00
History of Investigator:	David Coleman (Principal Investigator) davec@uga.edu Theodore Gragson (Co-Principal Investigator) James Vose (Co-Principal Investigator)
Recipient Sponsored Research Office:	University of Georgia Research Foundation Inc 310 E CAMPUS RD RM 409 ATHENS GA  US  30602-1589 (706)542-5939
Sponsor Congressional District:	10
Primary Place of Performance:	University of Georgia 623 BOYD GRADUATE RESEARCH CTR ATHENS GA  US  30602-0001
Primary Place of Performance Congressional District:	10
Unique Entity Identifier (UEI):	NMJHD63STRC5
Parent UEI:
NSF Program(s):	Population & Community Ecology, LONG TERM ECOLOGICAL RESEARCH, BIOLOGICAL RESEARCH COLLECTION, CONNECTIONS, CENTRAL & EASTERN EUROPE PROGR, WESTERN EUROPE PROGRAM
Primary Program Source:	app-0100  01000102DB NSF RESEARCH & RELATED ACTIVIT app-0102  app-0196  app-0197  app-0198  app-0199
Program Reference Code(s):	1306, 1325, 5918, 5953, 9169, 9177, 9178, 9179, 9251, EGCH, SMET
Program Element Code(s):	112800, 119500, 119700, 192200, 597900, 598000
Award Agency Code:	4900
Fund Agency Code:	4900
Assistance Listing Number(s):	47.074

ABSTRACT

9632854 Coleman This research will continue investigations on the extent and complexity of natural and human-caused disturbances, and how they interact with ecological processes along environmental gradients in the landscape. This work builds upon extensive long-term studies of landscape processes in the southern Appalachians and spans four levels of resolution (plot, watershed, landscape and region) in the Little Tennessee and French Broad River basins. Individual and interacting effects of disturbance and environmental heterogeneity on populations, communities, and ecological processes forms the unifying theme of this proposed LTER research. The research team will focus on three areas of inquiry: (1) characterization of disturbance and environmental heterogeneity in the southern Appalachians, (2) effects of disturbance and environmental heterogeneity on populations and communities, and (3) effects of disturbance and environmental heterogeneity on biogeochemical cycling and ecosystem processes. The project builds on extensive understanding of disturbances occurring with the Coweeta basin and continues to characterize environmental heterogeneity, maintaining continuity in the 60+ year record for some variables. As the focus expands to the southern Appalachian region, historical fire regime and socio-economic drivers of land-use change will also be considered. The effects of disturbance and environmental heterogeneity on plant and animal populations will be assessed at a range of scales and key questions will be addressed on the effects of resource variability on terrestrial and aquatic biodiversity. Using a combination of new studies and continued long-term measurements, investigators will examine the role of environmental heterogeneity and disturbance in regulating ecosystem pools and processes in streams, riparian zones, and forests. This research approach utilizes an integrated program of long-term field measurements, experiments and modeling.

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