Context
The Water Resources Department (WRD) has started removing invasive Prosopis juliflora from irrigation tanks along the Palar River in Vellore, Tamil Nadu.
About Prosopis juliflora
- Type: Shrub or small tree belonging to the Fabaceae family; commonly known as mesquite.
- Native Range: Mexico, South America and the Caribbean.
- Invasive Nature: One of the most invasive plant species in arid and semi-arid regions.
- Introduction in India: Introduced in Delhi by the British during the 1920s, when the national capital was being developed.
- Local Names: Bellary jaali, seemai karuvelam, seemai jaali, gando baval and vilayati kikar.
- Key Characteristics
- Wide Adaptability: Grows in diverse soil conditions, ranging from sand dunes to clay soils and from saline to alkaline soils.
- Climatic Tolerance: Can grow at elevations from below 200 m to above 1,500 m, with annual rainfall ranging from 50 to 1,500 mm.
- Rapid Growth: Spreads vigorously and outcompetes native plant species for resources.
- Environmental Impacts
- Water Depletion: Its high water consumption can put pressure on soil moisture and groundwater resources.
- Loss of Biodiversity: Displaces native vegetation and threatens habitats of indigenous plants and animals.
- Grassland Degradation: Invades natural grasslands, reducing their ecological value and contributing to land degradation and erosion.
- Ecosystem Alteration: Dense growth can change the composition and structure of native ecosystems.
Frequently Asked Questions (FAQs)
Q1. What is Prosopis juliflora?
Prosopis juliflora, commonly known as mesquite, is an invasive shrub or small tree belonging to the Fabaceae family, native to Mexico, South America and the Caribbean.
Q2. What are the major characteristics of Prosopis juliflora?
It grows rapidly, tolerates diverse soil conditions and a wide range of rainfall, and spreads aggressively in arid and semi-arid regions.
Q3. What are the major environmental impacts of Prosopis juliflora?
It can deplete soil moisture, put pressure on groundwater resources, displace native vegetation, degrade grasslands and alter natural ecosystems.
Q4. What are the local names of Prosopis juliflora in India?
It is known by names such as seemai karuvelam, seemai jaali, vilayati kikar, gando baval and Bellary jaali.


