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Invasive Species Rapid Response Crew
Controlling invasive species can be very costly. It requires a large input of labor and
equipment (including herbicide) over several years. BUT, when
populations are caught early and are small, they are much easier to control. Small populations require
less time and money, and because they are not as well established (and
usually do not have extensive seed banks) they have a higher probability of being completely eradicated!
WRISCs Strike Teams have made great strides, over the past couple of years, in their treatments of invasive species. Tackling a five county area controlling targeted populations. WRISC's Strike Team goals are to treat small populations and early detection
species before they become widespread throughout the area.
WRISC's Strike Treating Japanese Knotweed.
Several factors are considered when selecting a population for rapid response treatment.
- Is the species considered early detection, manageable, or widespread in the WRISC area? (Priority Species List) Priority species are not yet widespread throughout the area. WRISC controls them where they are found, helping to keep them from becoming widespread. Vice versa, widespread species are so common that without monitoring and follow up treatment, the area is likely to become infested again.
- Where is the infestation? Is it along a road or river where it will be easily spread? (if so, controlling this population is vital to avoid its spread) Is it easily accessed? (populations that are difficult to access are also harder to treat) Is it near other WRISC treatment sites? (if so, we can treat both at the same time and save on travel costs)
- How big is the infestation? This question looks both at how much area the crew would need to cover and how big the population is. Smaller populations and smaller areas are easier to treat. Infestations are scored on WRISC treatment forms according to the size and density.
- What is the impact? Is the invasive negatively impacting the ecological or recreational value of an area?
View our Rapid Response Nomination Form to see how we award point values to these different factors or to nominate an invasive location you want treated.