ROMANO A.

The Circeo National Park lies in a territory that was deeply shaped by human activity, and represents one of the few remaining patches of plain wetland habitat in Central Italy. In this study distribution and few demographic information of the amphibians in the Park were provided. Seven species and 25 bibliographic and 84 original breeding...

Sex ratio is an essential demographic parameter and distortions from a balanced sex ratio may have contrasting effects on the population dynamics. However, observation of distorted sex ratio using counts or captures may reflect an actual ecological trait of the studied population but may also be an artefact due to different capture...

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Ecological networks, usually depicting interactions among species, have been recently down-scaled to the individual level, permitting description of patterns of inter-individual resource variation that are usually hindered at the species level. Optimal diet theory (ODT) models, applied to prey–predator systems, predict different patterns of...

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