HOME >> BIOLOGY >> NEWS
Outbreak of native oak borers threatens Ozark forests

Preliminary results from biomonitoring studies by USDA Forest Service researchers confirm an unprecedented outbreak of red oak borers in the upland hardwood forests of the Ozark and Ouachita Mountains in Arkansas, Oklahoma, and Missouri.

Jim Guldin, research ecologist with the FS Southern Research Station (SRS) and project leader of the SRS Upland Forest Ecosystems unit in Monticello, AR, recently announced the results of a pilot study started this summer to quantify the extent of the outbreak. Designed to provide more information about the distribution of the insect, the plot-based study is funded by the Forest Service, with the research conducted by scientists from SRS, the University of Arkansas at Fayetteville, and other agencies.

The red oak borer, an inch-long beetle native to forests in the eastern United States, causes most of its damage while in the larval stage of a two-year life cycle. The larva burrows through the bark of the oak, carving out galleries in the cambium and the heartwood of the tree. The adults emerge from the oval holes they chew in the bark in odd-numbered years. The red oak borer is usually an insignificant pest that oaks can easily fend off, but since 1999, when unusual levels of infestation were found by the Forest Service near Clarksville, AR, the density of red oak borer populations has steadily increased.

"What we found in our preliminary results confirms an explosion of oak borer infestations," said Guldin. "Outbreaks once consisted of five to 10 borers a tree: now we are seeing 1500 a tree. At this level of attack, the insects literally girdle the tree: tens of thousands of trees have died so far."

During the summer of 2002, researchers installed a pilot study on 44 plots, primarily on National Forest land in Arkansas and Oklahoma."Traditional plots established by the Forest Service for forest health monitoring cannot capture the extent of the problem because the plots are too dispersed and not visi
'"/>

Contact: Jim Guldin
jguldin@fs.fed.us
870-367-3464 x 13
Southern Research Station - USDA Forest Service
21-Nov-2002


Page: 1 2

Related biology news :

1. Impacts of Pfiesteria: Outbreaks could substantially reduce tourism revenues, UD Sea Grant researcher says
2. Tracking Hepatitis C: Health Project Demos Worldwide Early-Warning System For Disease Outbreaks; Sandia Tests Disease-Tracking Approach
3. Southern Pine Beetle Reaching Outbreak Levels In North Florida
4. K-State researcher working to improve alternatives to equine antibiotics
5. Gene therapy alternative to calcium channel blockers
6. Vacuum assisted deliveries are safe alternative to forceps
7. OUP launch a new Open Access Journal on Complementary and Alternative Medicine
8. Alternative states in the ocean
9. Dramatic decline of California native frog linked to introduced trout in mountain lakes
10. Chronic respiratory symptoms prevalent among Alaska natives
11. Tropical legume could be alternative hay/forage crop for Texas

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


(Date:3/31/2016)...  Genomics firm Nabsys has completed a financial  restructuring ... , M.D., who returned to the company in October ... team, including Chief Technology Officer, John Oliver , ... and Vice President of Software and Informatics, Michael ... Dr. Bready served as CEO of Nabsys from 2005-2014 ...
(Date:3/23/2016)... WAKEFIELD, Massachusetts , March 23, 2016 ... kombiniert im Interesse erhöhter Sicherheit Gesichts- und ... Xura, Inc. (NASDAQ: MESG ... heute bekannt, dass das Unternehmen mit SpeechPro ... insbesondere aus der Finanzdienstleistungsbranche, wird die Möglichkeit ...
(Date:3/22/2016)... PROVO and SANDY, Utah ... (NSO), which operates the highest sample volume laboratory in ... Tute Genomics and UNIConnect, leaders in clinical sequencing informatics ... the launch of a project to establish the informatics ... NSO has been contracted by the ...
Breaking Biology News(10 mins):
(Date:5/19/2016)... ... May 19, 2016 , ... Anton Paar USA, located in Ashland, ... building is complete. The new structure adds a third office building to the current ... purchased 2.4 acres of land, along with office space adjacent to the previous ...
(Date:5/19/2016)... NEW YORK , May 19, 2016 ... Biotech space will fully recover given the relentless pressures ... is for sure in the investors circle though - ... requires due-diligence. Ahead of today,s session, ActiveWallSt.com,s presents four ... PTLA ), Vitae Pharmaceuticals Inc. (NASDAQ: ...
(Date:5/19/2016)... 19, 2016 Regen ... PINK: RGBPP) announced today initiation of a preclinical ... blood based cancer immunotherapeutic product leveraging its NR2F6 ... described a generation of cord blood derived killer ... silencing.  The product in development will be a ...
(Date:5/18/2016)... ... May 18, 2016 , ... Tech Coast Angels ... Award to Cognition Therapeutics at the annual ACA Summit last week in Philadelphia. ... by one of ACA’s member angel groups. It is the highest honor available for ...
Breaking Biology Technology:
Cached News: