by Chandra Mohan Patowary
Every year as the monsoon clouds gather over Assam, a familiar drama unfolds in the heart of Kaziranga National Park. The mighty Brahmaputra River, swollen by rains and Himalayan runoff, spills over its banks, inundating vast swathes of the park. For the uninitiated, this might sound like a disaster—indeed, images of stranded rhinos and fleeing deer often make headlines. But for Kaziranga, floods are both a curse and a blessing, shaping its landscape, ecology, and the very survival of its famed inhabitants.
Kaziranga is a jewel in India’s conservation crown. Spread over 1,300 square kilometers, it is home to the world’s largest population of the endangered greater one-horned rhinoceros with significant populations of Bengal tigers, wild buffalo, elephants, swamp deer and over 550 species of birds. Recognized as a UNESCO World Heritage Site, Kaziranga’s unique biodiversity owes much to the annual rhythm of flood and renewal.
Floods in Kaziranga are not just a natural occurrence—they are an ecological necessity. The Brahmaputra’s floodwaters deposit nutrient-rich silt, rejuvenating the grasslands that sustain the park’s herbivores. Swampy areas are formed where water lingers, supporting unique plant communities. The annual inundation also washes away invasive water hyacinth, clears out dry beels (oxbow lakes), and replenishes fish stocks by connecting water bodies and allowing fish to breed and disperse.
Without these floods, Kaziranga’s grasslands would gradually turn into woodland, threatening the open habitats preferred by rhinos and other grazers. In this way, the floods act as nature’s reset button, maintaining the delicate balance that makes Kaziranga so special.
Yet, the floods also bring undeniable hardships. When waters rise rapidly or remain high for too long, animals are forced to migrate to higher ground—sometimes into the neighbouring Karbi Anglong hills, across highways, and even through villages. This journey is fraught with dangers: young or weak animals can drown, and many fall victim to speeding vehicles on National Highway 715 or to poachers taking advantage of the chaos. Food shortages are another challenge. While browsers like sambar deer can survive on leaves, grazers such as rhinos and swamp deer struggle when their favourite grasses are submerged. Prolonged floods can lead to malnutrition and, in some cases, starvation.
Recognizing the dual nature of floods, Kaziranga’s management has developed a sophisticated multi-pronged flood preparedness strategy and has been effectively implemented in the past few years. This involves coordination between forest officials, local police, veterinary teams, and community volunteers.
Some of the key measures include:
• Multi-departmental meeting and coordination- to regulate traffic on NH 715, ensuring safe passage for migrating animals and preventing roadkill. Last year on 15th June 2024, under the able chairmanship of Chief Minister Dr. Himanta Biswa Sarma, a flood preparedness review meeting was held that set the tone of the inter-departmental action. Departments such as Home, Health, Veterinary and Forest and district administration came together for a common cause of ensuring safe passage to wildlife.
• Forest frontline as first responders – During the annual floods in Kaziranga National Park, the forest frontline staff play a heroic role as first responders. Braving treacherous waters and unpredictable weather, these dedicated individuals work tirelessly to rescue stranded wildlife, provide medical aid, and ensure the safety of both animals and visitors. Their swift action and unwavering commitment are crucial in minimizing the impact of floods, making them true guardians of Kaziranga’s unique ecosystem.
• Awareness campaigns with local communities and safari operators, educating them on how to help during floods and taking NSS student volunteers to help clean animal corridors of plastic waste and for creating awareness against over speeding along NH 715.
• Veterinary care and rescue operations for injured or stranded animals, with a dedicated team of vets and animal keepers, equipment and hospital facility at CWRC for safe rescue and rehabilitation of wild animals.
• Construction of highlands—artificial mounds and elevated roads—where animals can take refuge when the plains are underwater. Over 30 new highlands have been built recently, adding to the existing network of over 150 highlands at present.
• Installation of animal sensors and speed-monitoring technology along highways to alert drivers when animals are crossing and to enforce speed limits. Modern technology is playing an increasing role in flood management. Animal sensors and automatic number plate recognition (ANPR) cameras help monitor wildlife movement and regulate traffic. WhatsApp groups and flood monitoring cells allow for real-time updates and rapid response.
At the same time, traditional knowledge and community involvement remain crucial. Local villagers, many of whom have lived alongside Kaziranga’s wildlife for generations, are often the first to spot animals in distress or report poaching activity.
Kaziranga’s story is a powerful reminder that conservation is not just about protecting animals from nature—it’s about understanding and working with nature’s rhythms. Floods, though sometimes deadly, are also life-giving, sustaining the park’s unique ecosystem. As climate change brings more unpredictable weather, the challenges will only grow. But with careful planning, community support, and a deep respect for the natural cycles that define Kaziranga, this remarkable sanctuary can continue to thrive—floods and all.
(The writer is Minister, Forest and Environment, others, Government of Assam)
