watch One-Minute World News

News Front Page
Africa
Americas
Asia-Pacific
Europe
Middle East
South Asia
UK
Business
Health
Science & Environment
Technology
Entertainment
Also in the news
-----------------
Video and Audio
-----------------
Programmes
Have Your Say
In Pictures
Country Profiles
Special Reports

Related BBC sites

Meet the aliens in UK waters

The seas surrounding the UK - and the rivers that flow into them - are filled with animal and plant species that originate far from our shores.

While some of these non-native invaders will die out over time, others are thriving - and are becoming a huge threat to biodiversity.

Here, two experts - Jack Sewell and Philine zu Ermgassen - explain how these alien invaders are affecting our ecosystems.

Javascript and Flash plug-in required

Either the Flash plugin was not detected on your computer or the JavaScript features of your brower have been disabled.

To enable Javascript on your browser we recommend that you contact your computer support line.

Click here to download the Flash plugin from the Macromedia website

Slideshow production by Paul Kerley.

The BBC is not responsible for the content of external internet sites

Marine Life Information Network - Marlin
Record sightings of alien species through Marlin
Plantlife website
GB Non-Native Species Secretariat
FEATURES, VIEWS, ANALYSIS
Horses sculpture in memory of Genghis Khan, Ordos, Inner Mongolia Ghost town
Has China's housing bubble burst?
Afo - the world's oldest clove tree The guerilla plant
How the world's oldest clove tree defied an empire
Sergei Polunin Walking away
Why Royal Ballet principal Sergei Polunin quit

Skip to top

PRODUCTS & SERVICES

BBC iD

Sign in

BBC navigation

Copyright © 2016 BBC. The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.

Americas Africa Europe Middle East South Asia Asia Pacific