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RAPD analysis of Anabaena-free Azolla and its application in the study of interspecific relationships within section Azolla Effects of grazing on spatial distribution relationships between constructive and dominant species in Stipa breviflora desert steppe. Phylogenetic relationships of seabuckthorn based on ITS sequences. Effects of age classes on metabolic exponents of Salix psammophila branches. Phylogenetic relationships among Hystrix species and related species based on expressed sequence tag-polymerase chain reaction Studies on Sexual Azolla Hybridizatio and It’s Identification Strategic Conservation of Orchard Germplasm Based on Indigenous Knowledge and Genetic Diversity: a Case Study of Sour Orange Populations in China Elemental Content in Brown Rice by Inductively Coupled Plasma Atomic Emission Spectroscopy Reveals the Evolution of Asian Cultivated Rice AN EMPIRICAL MODEL TO DESCRIBE YIELD-DENSITY RELATIONSHIPS FORAGING BEHAVIOR OF MULTI-PREDATORS FOR CITRUS RED MITE SYSTEM ANALYSIS ON THE DEFINITION OF SUSTAINABLE DEVELOPMENT