Senna spectabilis (DC.) H. S. Irwin & Barneby invasion in India: Impacts, challenges and management - A review
2025
Bargavi, S | Baranidharan, K | Tilak, M | Revathi, R | Ganesan, K N | Ragunath, K P | Vijayabhama, M | Hemalatha, P | Ravi, R | Kabinesh, V | Suwethaasri, D
Invasive species present significant risks to the local ecosystems, disrupting their biodiversity and functioning. Senna spectabilis, initially introduced for decorative purposes, has emerged as a widespread invader, particularly in regions such as India. This review delves into the ecological and biological dimensions of Senna spectabilis invasion, its effects on native plant and animal life, and approaches for managing and eradicating it. Rapid growth, abundant seed production, and allelopathic characteristics enhance its invasiveness, allowing it to outcompete indigenous species and modify ecosystem dynamics. Senna spectabilis invasion results in habitat alteration, displacement of local flora and fauna, and changes in trophic interactions, impacting ecosystem stability. Various methods, including mechanical, chemical, biological, and cultural controls, are utilized to combat Senna spectabilis infestations, albeit with varying degrees of success. Eradication endeavors encompass techniques like complete uprooting, girdling, and debarking, complemented by efforts to restore and rehabilitate affected areas through native vegetation reinstatement, habitat enhancement, and soil restoration. Community involvement and international cooperation are crucial for addressing the cross-border spread of Senna spectabilis and mitigating its adverse effects on biodiversity conservation. This review underscores the necessity for cohesive action, encompassing assessment, surveillance, strategy formulation, and global collaboration, to effectively counter the proliferation of Senna spectabilis and safeguard indigenous ecosystems. Keywords: Distribution; Invasive Alien Species; Senna spectabilis; Restoration and Rehabilitation
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