National Parks Service to take away invasive ‘salt cedar’ bushes from Big Bend National Park
Editor-in-chiefFebruary 2, 20263 Mins read39
National Parks Service to Remove Invasive ‘Salt Cedar’ Bushes from Big Bend National Park
Introduction
The National Parks Service has announced a major environmental restoration project at Big Bend National Park, targeting the removal of invasive salt cedar bushes that have threatened the park’s delicate ecosystem for decades. This initiative represents a significant step in preserving the natural habitat and protecting native species along the Rio Grande corridor.
Key Points
- **Timeline**: February 12-28, 2026
- **Location**: Big Bend National Park, specifically along the Rio Grande and hot springs area
- **Method**: Manual cutting followed by herbicide treatment
- **Herbicide**: Triclopyr
- **Primary Target**: Tamarisk bushes (salt cedar)
- **Objective**: Restore native ecosystem and improve water conservation
Background
Salt cedar, scientifically known as *Tamarix ramosissima*, was introduced to the United States in the 1800s as an ornamental plant and for erosion control. However, this non-native species has become one of the most problematic invasive plants in the American Southwest, particularly in riparian areas like Big Bend National Park.
The plant’s aggressive growth patterns and deep root systems have allowed it to outcompete native vegetation, significantly altering the landscape and hydrology of affected areas. In Big Bend, salt cedar has spread extensively along the Rio Grande, threatening the survival of native cottonwood and willow species that provide essential habitat for local wildlife.
Analysis
The National Parks Service’s decision to remove salt cedar from Big Bend National Park addresses several critical environmental concerns:
Water Conservation Impact
Salt cedar is notorious for its high water consumption. A single large salt cedar can transpire up to 200 gallons of water per day, significantly reducing water availability for native plants and wildlife. By removing these invasive bushes, the park aims to restore natural water flow patterns and improve water availability for native species.
Ecosystem Restoration
The removal of salt cedar will allow native plants to reclaim their natural habitat. Cottonwoods and willows, which have been displaced by salt cedar, provide superior habitat for birds, insects, and other wildlife. These native species also contribute to better soil stability and water quality in the riparian zone.
Chemical Treatment Considerations
The use of triclopyr herbicide represents a targeted approach to prevent regrowth of salt cedar. This selective herbicide is effective against broadleaf plants while having minimal impact on grasses and other non-target vegetation. The careful application to cut stumps minimizes the amount of herbicide needed and reduces the risk of environmental contamination.
Practical Advice
For visitors planning trips to Big Bend National Park during the removal period:
– **Safety Precautions**: Stay clear of active work zones where crews are operating
– **Trail Updates**: Some trails may be temporarily closed or have restricted access
– **Alternative Activities**: Consider visiting other areas of the park during the removal period
– **Educational Opportunities**: Take advantage of ranger programs to learn about invasive species management
FAQ
Why is salt cedar considered invasive?
Salt cedar is considered invasive because it:
– Outcompetes native plants for water and nutrients
– Produces large amounts of salt that inhibit other plant growth
– Creates dense monocultures that reduce biodiversity
– Alters soil chemistry and hydrology
– Provides inferior habitat for native wildlife compared to indigenous species
Is the herbicide treatment safe for the environment?
Triclopyr is considered relatively safe when used according to label instructions. The National Parks Service applies it directly to cut stumps, which:
– Minimizes the amount of herbicide needed
– Reduces the risk of drift to non-target plants
– Limits potential exposure to wildlife and water sources
– Follows all EPA and NPS guidelines for herbicide use in protected areas
How long will the removal project take?
The initial cutting and treatment phase is scheduled for February 12-28, 2026. However, complete eradication of salt cedar is an ongoing process that may take several years of follow-up treatments and monitoring to ensure the invasive species doesn’t return.
What happens to the areas after salt cedar removal?
After removal, the National Parks Service will:
– Monitor treated areas for regrowth
– Plant native species to accelerate ecosystem recovery
– Implement long-term management strategies
– Conduct regular assessments of ecosystem health
– Engage in public education about invasive species prevention
Conclusion
The National Parks Service’s initiative to remove invasive salt cedar from Big Bend National Park represents a crucial investment in preserving this unique ecosystem. By addressing the threat of this aggressive invasive species, the park is taking important steps to restore natural water flow, protect native biodiversity, and ensure the long-term health of the Rio Grande corridor. This project serves as a model for invasive species management in protected areas across the country.
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