Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Te Wahipounamu – South West New Zealand' has mentioned 'Invasive species' in the following places:
Occurrence Sentence Text Source
One of the larger issues the region faces are populations of invasive species.
Invasive species have the biggest impact on the region.
The Department of Conservation has control programs and the National Parks policy is to eradicate new invasions and eradicate or reduce the range of existing invasive species
Invasive species are the biggest impact on the property, despite their impacts being restricted to small areas of the property.
The Department of Conservation has control programmes in place and National Parks general policy seeks to eradicate new incursions and eradicate (where possible) or reduce the range of existing invasive species.