Japanese Knotweed in the UK and London

Japanese Knotweed in the UK and London

Invasive species in London Lyndsey Cox, GiGL Community Manager Japanese Knotweed creeping towards an east London pavement (Gordon Joly CC BY-SA 2.0) A non-native species is classed as any that didn’t naturally occur before people first arrived in the UK. Non-natives...
LISI Update

LISI Update

Valerie Selby, LISI Chair Invasive non-native species (INNS) are one of the largest threats to global biodiversity after habitat loss and destruction. The London Invasive Species Initiative (LISI) was created in response to this issue around 2007/8 and brings together...
Modelling Risk

Modelling Risk

Karen Harper, London Invasive Species Initiative Manager Recently, GiGL and LISI produced a range of predictive risk model layers for London for various invasive non-native species. Risk modelling is only as good as the data behind it, which is what made this project...
The Ludwigia Front Line

The Ludwigia Front Line

Karen Harper, LISI Manager Of course, having avidly read my previous GiGLer articles, you will know all about the invasive non-native species Ludwigia grandiflora. But what you might not know is that there are other types of Ludwigia growing in London as well. Meet...
Species alert: Water Primrose

Species alert: Water Primrose

Karen Harper, LISI Manager With this year’s growing season starting earlier than normal, we all need to be aware of the possible invasive non-native species that might be popping up in our reserves, parks and open spaces. Over the past couple of years, our attention...