32.04 – Behind the cover

FE32x04coverIssue 32×04 is out now! Our cover for this issue shows the limpet, Patella vulgata, grazing its habitat on a rocky shore in Northern Ireland. Credit: C.J. Reddin. One of the model species studied by Reddin et al for their paper on The effects of spatial scale and isoscape on consumer isotopic niche width. The mean and variance of ecological variables are dependent on sampling attributes such as the coverage of environmental heterogeneity (sampling extent) and spatial scale. Trophic niche width is often approximated by bulk tissue stable isotopes of C and N, that is, the population isotopic niche. However, recent studies suggest that environmental heterogeneity (experienced by individuals) may be more important in defining the isotopic niche width than trophic variability (see paper by Reddin et al., pp. 904–915).

Continuing the a marine theme, Scott Hamilton’s FE Spotlight From a sea of phenotypic traits, fast reaction and boldness emerge as the most influential to survival in marine fish highlights McCormick et al’s Behavioural measures determine survivorship within the hierarchy of whole‐organism phenotypic traits.

This issue also includes a new review on Nutrient foraging by mycorrhizas: From species functional traits to ecosystem processes. And for a look behind the paper, read this Q&A with Wilco Verberk on his paper, Thermal limits in native and alien freshwater peracarid Crustacea: The role of habitat use and oxygen limitation.

You can also read free plain language summaries for all articles in this issue here.

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