Hill numbers (or the "effective number of species") are increasingly used to characterize species diversity of an assemblage. This work extends Hill numbers to incorporate species pairwise functional distances calculated from species traits. We derive a parametric class of functional Hill numbers, which quantify "the effective number of equally abundant and (functionally) equally distinct speci...

Biodiversity assessment of tropical taxa is hampered by their tremendous richness, which leads to large numbers of singletons and incomplete inventories in survey studies. Species estimators can be used for assessment of alpha diversity, but calculation of beta diversity is hampered by pseudo-turnover of species in undersampled plots. To assess the impact of unseen species, we investigated diff...

The presence and enumeration of halophilic and alkaliphilic bacteria in Spanish-style table-olive fermentations was studied. Twenty 10-tonne fermenters at two large manufacturing companies in Spain, previously studied through both culture dependent and independent (PCR-DGGE) methodologies, were selected. Virtually all this microbiota was isolated during the initial fermentation stage. A total o...

Although there are studies on certain aspects of the feeding ecology several species Neotropical parrots, is scarce ecological information about Pyrrhura molinae – a Psittacidae which widely distributed in South America and abundant Yungas Argentina. For two years (May 2014 to June 2016), composition seasonal variation Green-cheeked Parakeet diet Piedmont forest Jujuy, Argentina were examined. ...

Actividades antrópicas han alterado drásticamente ecosistemas naturales, lo que ha provocado especies como Juglans neotropica Diels (Nogal) se encuentre actualmente en peligro de extinción. El objetivo fue generar información la estructura, productividad y regeneración natural especie estado silvestre. Se estudió un remanente bosque especie, ubicado hacienda La Florencia perteneciente al cantón...

This study aimed to compare the mosquito fauna found in three remnant forest fragments of a semideciduous seasonal by using oviposition traps northwestern region state Rio Grande do Sul, Brazil. Between 2018 and 2019, larvae were collected quarterly fragments, one situated an urban area, another rural area close city third formed extensive native far from environment. Four species caught: Aedes...

BACKGROUND Previous studies have demonstrated the importance of DNA extraction methods for molecular detection of Staphylococcus, an important bacterial group in cystic fibrosis (CF). We sought to evaluate the effect of enzymatic digestion (EnzD) prior to DNA extraction on bacterial communities identified in sputum and oropharyngeal swab (OP) samples from patients with CF. METHODS DNA from 81...

The distribution and abundance of aquatic insects were studied in the longitudinal gradient of the watershed of Macaé River, a coastal Atlantic Forest river in South-eastern Brazil. Sampling stations were selected in the first, second, fourth, fifth, and sixth orders and sampled in April, July, and October 1995. This represented the end of the rainy season, the dry season, and the beginning of ...