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Images taken in Mexico

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Image Subject Name Scientific Name Description
1428002 sacred fir Abies religiosa Dense forest of Abies religiousa, near Mexico City. Photo was taken in 1972. Note relatively flat tops of tree crowns. This may be an early symptom of photoxidant injury.
1428006 sacred fir Abies religiosa Sacred fir forest in fog, near Mexico City.
1428007 sacred fir Abies religiosa Sacred fir forest, near Mexico City. Thin crowns are indicative of decline due to photo oxidant injury
1428009 sacred fir Abies religiosa Aerial view of tree mortality caused by a combination of bark beetles and photo oxidant injury, near Mexico City.
1428010 sacred fir Abies religiosa Aerial view of tree mortality caused by a combination of bark beetles and photo oxidant pollution, near Mexico City.
1428014 Hartweg pine Pinus hartwegii Open forest of Pinus hartwegeii, near Mexico City. This pine occurs at the highest elevations of any pine species in the world, up to 14,000 feet.
1428015 Hartweg pine Pinus hartwegii Smog cloud from Mexico City as seen from a Pinus hartwegeii forest.

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