Biological collections are arguably the most important resources for investigations into the
impacts of human activities on biodiversity. However, the apparent opportunities presented …

The development of stable isotope techniques is one of the main methodological advances
in ecology of the last decades of the 20th century. Many biogeochemical processes are …

Within an organism, lipids are depleted in 13 C relative to proteins and carbohydrates (more
negative δ 13 C), and variation in lipid content among organisms or among tissue types has …

Stable isotope analysis (SIA) has emerged as a common tool in ecology and has proven
especially useful in the study of animal diet, habitat use, movement, and physiology. SIA has …

Stable isotopes are a powerful tool for ecologists, often used to assess contributions of
different sources to a mixture (eg prey to a consumer). Mixing models use stable isotope …

Identifying the composition of avian diets is a critical step in characterizing the roles of birds
within ecosystems. However, because birds are a diverse taxonomic group with equally …

Stable isotope analysis has the potential to expand our understanding of elasmobranch
ecology. However, elasmobranchs share unique traits (ie, retention of urea, lack of adipose …

Teeming within pollen provisions are diverse communities of symbiotic microbes, which
provide a variety of benefits to bees. Microbes themselves may represent a major dietary …

Plans for the restoration of aquatic ecosystems are increasingly focusing on the restoration
and rehabilitation of self-sustaining native fish communities. Such efforts have not …

Some methods of tissue preservation have significant effects on values of stable isotopes of
carbon (δ13C) and nitrogen (δ15N), but studies on this topic are scattered in the literature …