Pollen and resource limitations to lifetime seed production in a wild population of Ceratoides arborescens Stomatal or non-stomatal limitation of photosynthesis of spring wheat flag leaf at late growth stages under natural conditions in semiarid rainfed regions Implication and limitation of landscape metrics in delineating relationship between landscape pattern and soil erosion Differential Responses of N:P Stoichiometry of Leymus chinensis and Carex korshinskyi to N Additions in a Steppe Ecosystem in Nei Mongol Responses of terrestrial plant diversity to elevated mineral element inputs Effects of Molybdenum on Photosynthetic Characteristics in Winter Wheat under Low Temperature Stress Potential nutrient limitation of phytoplankton growth in the Western and Central Pacific Ocean Pollen and resource limitations to fruit set of Qingyangshen (Cynanchum otophyllum) The median means of species concepts and species delimitation Breeding System of Protogynous Mandragora caulescens(Solanaceae) Gene Flow Dependent Introgression and Species Delimitation Highly efficient pollination by bumblebees ensures seed production in Pedicularis lachnoglossa (Orobanchaceae), an early-flowering Himalayan plant Global comparisons of beta diversity among mammals, birds, reptiles, and amphibians across spatial scales and taxonomic ranks Stoichiometric Characteristics of Nitrogen and Phosphorous of Dominant Herbaceous Species in a Pine-oak Mixed Forest in the Qinling Mountains Efects of Rootstocks on Photosynthetic Properties of Young ‘Hosui’ PearTrees under Salinity A Preliminary Study on Symplocos of China (Cont.) Floral Syndrome and Breeding System of Iris tectorum Compensatory growth of Phaeodactylum tricornutum in response to the stress of phosphorus limitation Effects of soil moisture on physiological characteristics and the dynamic state of factors causing photosynthesis decline in potted tomato leaves in green house Salt Tolerance and Its Physiology Mechanisms of Zoysia macrostachya Seedlings Effects of Exogenous 24-Epibrassinolide on Growth and Photosynthesis of Tomato Seedlings under Low Light Stress