Upland hardwood stands on mesic, escarpment-oriented sites on the Cumberland Plateau region of northeastern Alabama provide a myriad management opportunities. Stands are primarily managed for Quercus, but the high species diversity allows for management that targets multiple species. Stand composition is unique in that dominant species include shade tolerant species such as Acer saccharum, inte...

Light Detection and Ranging (LiDAR) has been used to extract surface information as it can acquire highly accurate object shape characteristics using geo-registered 3D-points. Therefore, LiDAR can be used to effectively measure tree parameters in forested areas. In this research, we estimated the LAI (Leaf Area Index) for Pinus koraiensis, Larix leptolepis and Quercus spp. using LiDAR data. For...

INTRODUCTION As the Wisconsin ice sheets retreated to the North toward the end of the Pleistocene Epoch, tundra and boreal vegetation that had dominated the Central Hardwood Region began to be replaced by hardwood species. Spurred on by the warming climate and the widespread use of fire by Native Americans, oaks (Quercus spp.) gradually dominated the region (Abrams 2002, Carroll and others 2002).

The Japanese oak wilt pathogen Raffaelea quercivora and the platypodid beetle, Platypus quercivorus, cause serious mass mortality of Quercus spp. in Japan. Here, we present the first draft genome sequence of R. quercivora JCM 11526 to increase our understanding of the mechanism of pathogenicity and symbiosis with the ambrosia beetle.

We investigated the effects of periodical cicadas (Magicicada spp.) on growth of their hosts using records of radial tree-ring growth on oaks (Quercus spp., a common host genus) and pines (Pinus spp., a common nonhost genus) growing within the ranges of 13and 17-year broods. Growth of oaks was significantly depressed during years of adult emergence by about 4%. Effects in years following emerge...

H emorrhoids are a very common condition. Hospitalbased proctoscopy studies show prevalence rates of hemorrhoids in up to 86 percent of patients studied with many in an asymptomatic state. Botanicals used internally and topically can treat early stages of hemorrhoids effectively and can be used as adjuncts in more advanced stages when surgical treatments may be necessary. The roles of butcher’s...

We n&asured leaf respiration in 18 eastern deciduous forest tree species to determine if there were differences in tempera i m-respiration response functions among species or among c opy positions. Leaf respiration rates were measured in situ an4 on detached branches fordcerpensylvanicum L., A. rubrum i., Betula spp. (B. alleghaniensis Britt. and B. renta L.), Caryq glabra (Mill.) Sweet, Cornus...

Although the loss of Pinus palustris P. Mill. (longleaf pine) dominated communities and the alteration of the presettlement fire regimes have been documented, there is little information on the ecology of the presettlement lower Coastal Plain forests of the southeastern United States. We used 12 637 witness trees, which were recorded by General Land Office surveyors between 1820 and 1846, to id...