Molecular phylogeny of the tribe Philodryadini Cope, 1886 (Dipsadidae: Xenodontinae): Rediscovering the diversity of the South American Racers

Abstract South American racers of the tribe Philodryadini are a widespread and diverse group of Neotropical snakes with a complex taxonomic and systematic history.Recent studies failed to present a robust phylogenetic hypothesis for the tribe, mainly due to incomplete taxon sampling.Here we provide the most extensive molecular phylogenetic analysis

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Challenges of the vegetable and fruit market

The situation of the horticulture sectors have been in the limelight of the professional and economic decision makers all over Europe.This article analyses the situation of the sector from economic point of view and reveals the main reasons of its low income and high risk.It concludes that one of the biggest problems is the trading uncertainty in t

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