High Quality Content by WIKIPEDIA articles! As with other islands globally, the British Isles are particularly vulnerable to invasive species. Usually, an island will have several distinct species, which are not present on the nearest mainland, and vice-versa. Species coming in to the British Isles from elsewhere can have a severe impact on native wildlife, bringing disease, out-competing for resources and introducing new predators in to the food chain. However, it is worth mentioning that the Romans introduced many new plants which we now revere and cultivate such as the sweet chestnut and horseradish. They also may have introduced the edible snail, Helix pomatia, although it has never entered British cuisine. Данное издание представляет собой компиляцию сведений, находящихся в свободном доступе в среде Интернет в целом, и в информационном сетевом ресурсе "Википедия" в частности. Собранная по частотным запросам указанной тематики, данная компиляция построена по принципу подбора...