Explanation
In Harike wetland, the main problem is (B) Water hyacinth plant.
Water hyacinth (Eichhornia crassipes) is an invasive aquatic plant that can rapidly spread and cover large areas of water bodies, including wetlands. It is known for its ability to reproduce quickly and form dense mats on the water surface, causing several ecological issues. Water hyacinth can block sunlight, deplete oxygen levels, disrupt the natural flow of water, and negatively impact the biodiversity of wetland ecosystems. Efforts are often made to control and manage water hyacinth growth in order to restore the balance and health of the wetland ecosystem.
