Oxygen isotope analyses of skeletal remains (18 O/16 O, δ 18 O) are a powerful tool for
exploring major themes in bioarchaeology (the study of biological archaeological remains) …

Stable isotope analysis has emerged as one of the primary means for examining the
structure and dynamics of food webs, and numerous analytical approaches are now …

The extent of aerial flows of insects circulating around the planet and their impact on
ecosystems and biogeography remain enigmatic because of methodological challenges …

Renewable fresh water over continents has input from precipitation and losses to the
atmosphere through evaporation and transpiration. Global-scale estimates of transpiration …

During the “Green Sahara” period (11,000 to 5000 years before the present), the Sahara
desert received high amounts of rainfall, supporting diverse vegetation, permanent lakes …

Continental precipitation not routed to the oceans as runoff returns to the atmosphere as
evapotranspiration. Partitioning this evapotranspiration flux into interception, transpiration …

Hydrogen-isotopic abundances of lipid biomarkers are emerging as important proxies in the
study of ancient environments and ecosystems. A decade ago, pioneering studies made use …

Fifty years ago, GE Hutchinson defined the ecological niche as a hypervolume in n‐
dimensional space with environmental variables as axes. Ecologists have recently …

Groundwater recharged by meteoric water supports human life by providing two billion
people with drinking water and by supplying 40% of cropland irrigation. While annual …

The most important sources of atmospheric moisture at the global scale are herein identified,
both oceanic and terrestrial, and a characterization is made of how continental regions are …