Comparison of forest conditions in the North American Mediterranean climate zone’s yellow pine mixed conifer forest under continued frequent fire and absence of logging (left) versus >100 years of fire suppression and logging of firetolerant
species (right). Left: Mixed conifer forest, Sierra de San Pedro Mrtir, Baja California, Mexico. The area was not logged and fire exclusion has been practised only since the 1980s. Right: Typical stand of mixed conifers following nineteenth- and twentieth-century logging and a century of fire exclusion, Sierra Nevada, California.
From collection: Spreading Like Wildfire: The Rising Threat of Extraordinary Landscape Fires