Stable isotope science across the atmosphere-hydrosphere-biosphere-lithosphere (soil, sediment, rock) continuum (Earth-Systems Science); Stable isotope and biomarker proxies for paleoclimate reconstruction in continental and lacustrine systems; Stable isotope systematics of Pleistocene and Holocene ecosystems and associated megafauna; Stable isotope systematics of hydrous minerals; Clay mineralogy; Stable isotope systematics of bioapatite, collagen and keratin; Stable isotope ecology; Stable isotope hydrology; Climate change and environmental reconstruction; Triple oxygen-isotope systematics in nitrates, silicates and biogenic phosphates; Rock-water interaction in hydrothermal systems and mineralization; Diagenesis of clastic sedimentary systems; Stable isotopic analysis of anthropological materials and its applications to environment and climate reconstruction.