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Weekly Highlights

MEMORANDUM

To: Pat Schassburger
From: Susan Horton
Subject: Biology Highlights for National Wetlands Research Center, July 9, 2004

I. Department/Bureau News
B. Current

USGS Uses Remote Sensing to Monitor Oak Decline: USGS scientist James Felkerson (Mid-Continent Mapping Center) has partnered with USGS scientists Elijah Ramsey and Gene Nelson and Johnson Controls contractor Amina Rangoonwala from the National Wetlands Research Center to determine if remote sensing can be used to detect and monitor the health of three oak species in Southern Missouri. Working with the USDA Forest Service on the Mark Twain National Forest, the team monitored 33 sites and took optical measurements of leaves from 165 black, scarlet and white oaks for data analysis. Ramsey, Nelson, and Rangoonwala first used this remote sensing method in the coastal wetlands along the Gulf of Mexico to assess the health of marsh plants and to determine how a decline in plant health may progress. USGS scientists hope that this monitoring technique will give resource managers some insight into identifying habitats under stress before the problem has a major damaging impact on the resource. (Amina Rangoonwala, Lafayette, LA, (337) 266-8558)

II. Press Inquires/Media

USGS scientist Jacoby Carter was interviewed by the Daily Advertiser (Lafayette, LA) about his work with nutria.



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