phylogenetic diversity

Phylogenetic diversity refers to the variety of evolutionary lineages, or "branches" of a phylogenetic tree, present in a particular group of organisms. It takes into account both the number of lineages and their evolutionary relationships to one another. Phylogenetic diversity is important for understanding the evolutionary history and relationships between different species, as well as for conservation efforts aimed at preserving the diversity of life on Earth. It can be measured using various methods, including phylogenetic trees and indices such as Faith's Phylogenetic Diversity.