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 …

Ecology Letters (2011) 14: 948–958 Abstract Many generalist populations are composed of
specialised individuals, whose niches are small subsets of the population niche. This …

The slope of the simple linear regression between log10 transformed mercury (Hg)
concentration and stable nitrogen isotope values (δ15N), hereafter called trophic …

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 ratios (typically of carbon and nitrogen) provide one representation of an
organism's trophic niche and are widely used to examine aspects of food web structure. Yet …

Much research has focused on identifying species that are susceptible to extinction following
ecosystem fragmentation, yet even those species that persist in fragmented habitats may …

Aim The existence of a body size hierarchy across trophic connections is widely accepted
anecdotally and is a basic assumption of many food‐web models. Despite a strong …

Do large organisms occupy higher trophic levels? Predators are often larger than their prey
in food chains, but empirical evidence for positive body mass–trophic level scaling for entire …

There is an increasing demand for environmental assessments of the marine environment to
include ecosystem function. However, existing schemes are predominantly based on …

A central problem in ecology is determining the processes that shape the complex networks
known as food webs formed by species and their feeding relationships. The topology of …