Read more about the article Novel and disrupted trophic links following invasion in freshwater ecosystems
Mesocosms at Queen Mary University of London, UK (Photo by J Grey)

Novel and disrupted trophic links following invasion in freshwater ecosystems

Freshwater ecosystems are under threat from many stressors, including climate change, pollution, habitat destruction and the invasion of non-native species. These stressors can have direct impacts on individuals (e.g. survival, reproduction), populations (e.g. range, abundance) and communities (e.g. biodiversity, richness).

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Global insect invasions are difficult to predict from distribution models alone

Non-native invasive insects have major impacts on ecosystem function, agricultural production and human health. To make better predictions of where such species may establish and invade, species distribution models (SDMs) are widely used tools to predict potential distributions and invasion extents across new geographical areas.

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Read more about the article Global monitoring of biological invasions brought to the next level
The participants of the workshop in Leipzig in March 2015, including representatives from around the world and various institutions participating in initiatives related to the monitoring of biological invasion.

Global monitoring of biological invasions brought to the next level

What variables should be monitored to aid the management of invasive species? Applying the concept of essential biodiversity variables, a new study identified three essential variables for invasion monitoring; alien species occurrence, status and impact.

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Read more about the article Lost in translation? The need for standardised marine invasion terminology
The relationship between invasion biology terms (Graphic by Tammy Robinson)

Lost in translation? The need for standardised marine invasion terminology

Invasion biology as a field has been plagued by the use of confusing terms and definitions. South African marine invasion biology has not been untouched by this peculiarity. While this may at first seems like an academic problem with little real-world relevance, the reality could not be further from the truth.

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Alien plant invasions as a threat to native plant species – Moving beyond a focus on EXTINCTIONS

Alien plants are widely recognised as a global threat to biodiversity. Many invasive plant species have transformed the structure and functioning of ecosystems. Although hundreds of alien plant species are widespread invaders, there are no documented examples of native plants that have gone extinct solely as a result of alien plants...

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