• Keystone Species: Elephants are considered keystone species because their activities have a disproportionately large impact on maintaining ecosystem structure and biodiversity.
• Ecosystem Engineers: By uprooting trees, breaking branches, and clearing vegetation, elephants create grasslands, open forest patches, and diverse habitats for many other species.
• Seed Dispersal: They consume fruits and disperse seeds over long distances through dung, aiding forest regeneration and maintaining plant diversity.
• Nutrient Cycling: Elephant dung enriches soil with nutrients, supports insects, fungi, and microorganisms, and improves soil fertility.
• Water Resource Creation: During dry seasons, elephants dig for underground water, creating waterholes that become vital sources for many animals.
• Habitat Connectivity: Their regular movement creates trails through dense forests, facilitating the movement of smaller mammals and enhancing ecological connectivity.
• Maintaining Forest Structure: By feeding selectively on woody vegetation, elephants regulate tree density, prevent excessive forest thickening, and maintain a balance between forests and grasslands.
• Support for Biodiversity: The habitats modified by elephants provide food, shelter, and breeding grounds for birds, reptiles, amphibians, insects, and mammals.
• Carbon Sequestration: By promoting the growth and regeneration of large, carbon-rich tree species through seed dispersal, elephants contribute indirectly to carbon storage and climate regulation.
• Indicator of Ecosystem Health: Healthy elephant populations indicate well-connected forests with sufficient food, water, and habitat, reflecting the overall health of the ecosystem.

Source: The Hindu