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Title: Immediate, landscape-scale impacts of even-aged and uneven-aged forest management on herpetofaunal communities of the Missouri Ozark Forest Ecosystem Project
Author: Renken, Rochelle B.; Frantz, Debby K.
Publication: In: Shifley, S. R.; Kabrick, J. M., eds. Proceedings of the Second Missouri Ozark Forest Ecosystem Project Symposium: Post-treatment Results of the Landscape Experiment. Gen. Tech. Rep. NC-227. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station. 171-182.
Abstract: We examined the immediate, landscape-scale impacts of even-aged and uneven-aged forest management on the species composition, species richness, and relative abundance of herpetofaunal communities and selected focal groups of species during the second and third years following initial tree harvest on Missouri Ozark Forest Ecosystem Project (MOFEP) sites in southern Missouri. We compared these measures of the pre-treatment (1992-1995) community to measures of the 1998 and 1999 post-treatment communities. We did not observe changes in species composition, species richness, and overall amphibian and reptile relative abundance in 1998 or 1999 because of the first-entry harvest within sites. Landscape-scale impacts also were not observed in the relative abundances of woodland salamanders (Plethodon spp.) and a group of small snakes (prairie ring-necked snake (Diadophis punctatus arnyi), northern red-bellied snake (Storeria occipitomaculata occipitomaculata), and western smooth earthsnake (Virginia valeriae elegans)). We did observe a landscape-scale effect on pond-breeding salamanders (Ambystoma spp.) and skinks (Eumeces spp.). Even-aged and uneven-aged forest management appeared to dampen a natural oscillation in Ambystoma relative abundance estimates on southwest-facing slopes and resulted in an increase in Eumeces relative abundance on northeast-facing slopes in 1998. Potential mechanisms for these observed impacts and future analysis plans are discussed.
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