Aim Understanding how diverse communities respond to environmental fluctuations is a central challenge in ecology. Here, we assessed how communities responded to environmental variation over the past 23 years and evaluated the extent to which these responses can be associated with taxonomic relationships, as well as biological and ecological species traits. Location Central portion of the Humboldt Upwelling Ecosystem, with 22...

An exponential model provided the best description of the gastric evacuation of the redspotted catshark Schroederichthys chilensis and predicted that 98% of a single initial meal was evacuated in 73·9 h at 16·3°C, slower than that reported for other elasmobranchs.