Invasive species control and removal is a critical aspect of infrastructure projects in the rail, road, and utilities sectors. These species can cause significant damage to infrastructure and disrupt the operation of transportation systems. In order to effectively manage invasive species on infrastructure projects, it is important to follow best practices for control and removal.
Identification & Assessment
First and foremost, it is important to identify and assess the invasive species present on the project site. This includes determining the extent of the infestation, the potential impacts of the species on the project, and the feasibility of control and removal methods. It may be necessary to engage the services of a specialist in identifying and assessing invasive species.
Implement Management Plan
Once the invasive species have been identified and assessed, a management plan should be developed. This plan should outline the control and removal methods to be used, as well as any monitoring and evaluation activities that will be conducted. It is important to select control and removal methods that are effective, environmentally friendly, and cost-effective.
Control with Physical Barriers
One common method for controlling invasive species is the use of physical barriers. These barriers can prevent species from spreading from one area to another or contain the species within a specific area. Physical barriers can include fences, netting, and other structures.
Use of Herbicides
Chemical control methods like herbicides can also effectively control invasive species. However, it is important to carefully consider the potential impacts of these chemicals on the environment and human health before using them. If chemical control methods are deemed necessary, it is important to use them responsibly and safely, following all relevant regulations and guidelines.
Natural Predators
Biological control methods, such as introducing natural predators or parasites, can also effectively control invasive species. However, it is important to carefully consider the potential impacts of these methods on the local ecosystem before using them.
Taking Preventative Measures
Once the invasive species have been controlled or removed, it is important to continue monitoring the site to ensure that the species do not re-establish themselves. This may involve ongoing chemical or biological control measures and the implementation of preventative measures such as physical barriers.
Educating the Public
In addition to control and removal measures, it is important to consider the role of public outreach and education in invasive species management on infrastructure projects. This can include educating the public about the importance of preventing the spread of invasive species and providing information about how individuals can help to control and remove these species.
Invasive Species in the UK
Many invasive species are present in the UK, and they can significantly impact the environment, economy, and human health. Some of the most common and well-known invasive species in the UK include:
Giant Hogweed: Giant Hogweed is a highly invasive plant introduced to the UK as an ornamental garden plant. It can grow up to 5 meters tall, and its sap can cause severe skin irritation, blistering, and scarring. Giant Hogweed is a problem in areas with moist soils, such as along riverbanks, and it can outcompete and displace native vegetation.
Japanese Knotweed: Japanese Knotweed is a highly invasive plant introduced to the UK as an ornamental garden plant. It can grow up to 3 meters tall, and its roots can penetrate deep into the ground, making it difficult to remove. Japanese Knotweed can cause significant damage to buildings, roads, and other infrastructure and displace native vegetation.
Himalayan Balsam: Himalayan Balsam is an invasive plant introduced to the UK as an ornamental garden plant. It can grow up to 2 meters tall, and its seeds are dispersed by explosive pods that can travel long distances. Himalayan Balsam can outcompete and displace native vegetation, a problem in riverbanks and other areas with moist soils.
These are just a few examples of the many invasive species in the UK. It is important to be aware of these species and take action to control and remove them in order to protect the environment and prevent damage to infrastructure and other assets.
Summary
Overall, the effective management of invasive species on infrastructure projects requires a comprehensive approach that includes identification and assessment, development of a management plan, control and removal measures, and ongoing monitoring and evaluation. Infrastructure managers can ensure their projects are successful and sustainable by following best practices for invasive species control and removal. You can speak to RSSI’s Vegetation Management team to discuss your needs.
