Research and Conservation in Southern Sonora, Mexico

Pine-Oak Forest Gallery

Pine-oak forest on Mesa del Campanero near Yécora, Sonora. Photo: Mark Dimmitt	Pine-oak forest at El Aguajito on Mex 16 west of Yécora, Sonora. Photo: T.R. Van Devender
Pine-oak forest at El Aguajito on Mex 16 west of Yécora, Sonora. The white-flowered shrubs in the understory are Montanoa leucantha; the yellow ones are Xanthocephalum eradiatum. Photo: Mark Dimmitt	Pine-oak forest near Maycoba, Sonora. Photo: T.R. Van Devender

In the above two images taken in March the oaks are readily discerned by their colorful foliage. Madrean "evergreen" oaks shed their leaves in spring; they usually releaf a couple of weeks later, or in dry seasons wait until the summer rains. Left: east of Yécora, Sonora; photo T.R. Van Devender. Right: east of Hermosillo, Sonora; photo Mark Dimmitt
Mexico Hwy 16 runs from desert in Hermosillo, Sonora to pine forest in Chihuahua. This is pine-oak forest near Yécora. Photo: T.R. Van Devender	Forest with Pinus durangensis and Quercus albocincta (shedding their leaves) at Agua Amarilla, Sonora. Photo: T.R. Van Devender
View from edge of Mesa del Campanero near Yécora, Sonora. Photo: T.R. Van Devender	Meadows within pine-oak forest support colorful wildflowers in summer. Mesa del Campanero near Yécora, Sonora. Photo: T.R. Van Devender
Mesa del Campanero near Yécora, Sonora. Photo: Mark Dimmitt	Rancho Santa Bárbara northeast of Alamos, Sonora. Pinus oocarpa in foreground. Photo: George M. Ferguson