Key message The above-and belowground impacts due to Acacia invasions have been
described in detail over the last 25 years. Future research should focus on the early …

Large sums of money are spent globally on invasive alien plant control projects, but their
effectiveness in the medium to long term is seldom reported. Here we review the cost, extent …

With a few exceptions, comprehensive lists of alien plants that invade natural ecosystems
are lacking in sub-Saharan Africa. Some available lists are either preliminary or localised, or …

Alien species are often first introduced to urban areas, so it is unsurprising that towns and
cities are often hotspots for invasions. However, while large cities are usually the first sites of …

A major challenge for the management of biological invasions is to ensure that data and
information from basic inventories and ecological research are used alongside data from the …

Compared to other facets of invasion science, the impacts of biological invasions have been
understudied, but many studies have been published in the last decade. This paper reviews …

Evaluating the effects of ecological projects is important for summarizing past experience
and for exploring more effective ways to implement land use policies in the future. The base …

Abstract Since 1995, the South African government has spent at least ZAR 15 billion
(unadjusted for infiation; approximately USD1 billion) on alien plant control operations …

This paper assesses progress towards the control of biological invasions in 18 protected
areas (PAs) covering 677 584 ha in the Cape Floristic Region (CFR), and whether progress …

Impacts of invasive alien N2‐fixing woody species and how they can persist as soil legacy
effects after invasive species control are well appreciated, but how soil legacy effects can …