How do buttress roots help giant trees in the Ituri Forest?

In the Ituri Forest, giant trees utilize buttress roots as a vital adaptation to survive in the environment's shallow, often saturated soils. These roots function in the following ways:12

• Anchorage and Stability: Buttress roots act like the pillars of a cathedral, extending great distances across the forest floor to anchor the massive trees and provide essential support, which helps the trees resist toppling.12
• Nutrient Acquisition: By spreading across the forest floor, these roots allow the trees to effectively grab scarce nutrients from the shallow soil.2
• Tension Resistance: Because buttresses are often more prevalent on the windward side of a tree, they provide necessary tension resistance against environmental forces.1
• Nutrient Retention: A secondary benefit of these roots is the potential retardation of water flow around the base of the tree, which helps prevent nutrient-rich litter and soil nutrients from washing away.1