ABRAMS, MARC D. AND VANESSA L. W. HAYES (School of Forest Resources, Forest Resources Building, Penn State University, University Park, PA 16802). Impacts of contrasting land-use history on composition, soils, and development of mixed-oak, coastal plain forests on Shelter Island, New York. J. Torrey Bot. Soc. 135: 37–52. 2008.—The Mashomack Preserve on Shelter Island, New York contains one of t...

To stimulate an economically oriented discussion on mixed forest management, this paper considers economic implications of mixed investments of pure stands of the Norway spruce (Picea abies (L.) Karst.) and the European beech (Fagus sylvatica L.) on a methodological basis. It is well known that the classical economic calculus leads to an overwhelming financial superiority of single species coni...

forest road construction is the most costly operation in forestry. road designing and construction in unsuitable areas may increase construction and maintenance costs and also cause many environmental impacts. therefore, it is required to pay more attention to forest road design. in this research, we tried to introduce an appropriate method for locating forest roads using gis and ahp simultaneo...

Now a days the paper factories, which because of environmental issues and lack of forest sources, use waste papers, need to identify fibers in raw materials to improve quality of recycled papers. In order to evaluate feasibility of fibers identification, papers of 9 Iranian important factories (12 different papers) were sampled and the frequency of identified species in papers was recorded in m...

since the change of land use accrued in the iran, especially in northern iran, this research aims tocompare the spatial variability of soil properties in three adjacent land uses including cultivated by wheat lands, grazing lands and forest lands covered by juniperus sp,  fagus orientalis, quercus castanifolia, and acer velotinum species in kiasar region, mazandaran province, northern iran. som...

the aim of this study was to compare rainfall interception (i) in a natural forest of fagus orientalis l. with a neighboring picea abies plantation in kelardasht area, the caspian forests, north of iran. to measure gross rainfall (gr), four manual collectors were installed in an open area adjacent to the forest sites and throughfall (tf) was measured using 20 collectors randomly located underne...

The fossilized birth-death (FBD) model can make use of information contained in multiple fossils representing the same clade, and we here apply this model to infer divergence times in beeches (genus Fagus), using 53 fossils and nuclear sequences for all nine species. We also apply FBD dating to the fern clade Osmundaceae, with about 12 living species and 36 fossils. Fagus nuclear sequences cann...