What is savannah

savannah An extensive tropical vegeta¬tion dominated by grasses with varying admixtures of tall bushes and/or trees in open formation. Savannah occurs in di¬verse tropical environments, although most experience a dry season. Much savan¬nah is no doubt *climatic climax, although extensive tracts are anthro¬pogenic *fire climaxes and others are *edaphically controlled; it is generally difficult to distinguish one type from the other.