betula lenta twig extract

birch twig extract (betula lenta) extract obtained from the twigs of the sweet birch, betula lenta l., betulaceae PubMed: Future species composition will affect forest water use after loss of eastern hemlock from southern Appalachian forests. PubMed: Indirect effects of pandemic deer overabundance inferred from caterpillar-host relations. PubMed: Foliar δ15N is affected by foliar nitrogen uptake, soil nitrogen, and mycorrhizae along a nitrogen deposition gradient. PubMed: Oak loss increases foliar nitrogen, δ(15)N and growth rates of Betula lenta in a northern temperate deciduous forest. PubMed: Hydraulic responses to environmental perturbations in Tsuga canadensis and Betula lenta. PubMed: Deer herbivory alters forest response to canopy decline caused by an exotic insect pest. PubMed: Effects of winter temperatures on two birch (Betula) species. PubMed: Water use and carbon exchange of red oak- and eastern hemlock-dominated forests in the northeastern USA: implications for ecosystem-level effects of hemlock woolly adelgid. PubMed: Forest regeneration composition and development in upland, mixed-oak forests. PubMed: Estimates of net photosynthetic parameters for twelve tree species in mature forests of the southern Appalachians.