Search results
Results from the WOW.Com Content Network
The stone moroko (Pseudorasbora parva), also known as the topmouth gudgeon, [1] is a fish belonging to the Cyprinidae family, native to Asia, but introduced and now considered an invasive species in Europe and North America. The fish's size is rarely above 8 cm and usually 2 to 7.5 cm (0.79 to 2.95 in) long.
Sphaerothecum destruens (the rosette agent) is a parasite of fish. [1] [2] It was first discovered in the United States in association with invasive species including topmouth gudgeon, but was found to be the causative agent of a disease in the UK affecting salmonid species such as Atlantic salmon and brown trout.
Invasive species in Ukraine are a significant threat to many native habitats and species and a significant cost to agriculture, forestry, and recreation. The term "invasive species" can refer to introduced/naturalized species, feral species, or introduced diseases. Some introduced species do not cause significant economic or ecologic damage and ...
This is an impartial (not implicitly biased to a single governing body, the BRFC) and comprehensive record list of 310 British record freshwater fish, past and present, involving 60 species/sub-species of fish caught using the traditional angling method of rod and line. Records include the angler, species, weight, date, venue, also referenced ...
The Invasive Alien Species (Enforcement and Permitting) Order 2019 gives effect to EU regulations on the prevention and management of the spread of invasive alien species listing 66 species which are of special concern, of which 14 of these species are found in England and Wales. [1]
Japanese knotweed is seen in flower. Yellowish-white flower spikes appear in August and September, making now the best time of year to identify and report occurrences of this invasive species.
In 2016, following the EU Regulation 1143/2014 [1] on Invasive Alien Species (IAS), the European Commission published a first list of 37 IAS of Union concern. [2] The list was first updated in 2017 [3] and comprised 49 species. Since the second update in 2019, [4] 66 species are listed as IAS of EU concern.
Humans have introduced more different species to new environments than any single document can record. This list is generally for established species with truly wild populations— not kept domestically, that have been seen numerous times, and have breeding populations. While most introduced species can cause a negative impact to new ...