Photos: Vegetation Succession

Pictures Comments

HJA Watershed 1 before logging
Watershed 1 before logging, looking up south tributary above the forks.
Photographed by Dick Fredriksen ..... Date: 7/62 ..... Photo: AAB-020

HJA Watershed 1 logging nearly completed
Watershed 1 logging nearly completed July 1966.
Photographed by Dick Fredriksen ..... Date: 7/66 ..... Photo: AAB-022

HJA Watersehd 1
Watershed 1, 20 years following slash burning.
Photographed by Al Levno ..... Date: 4/86 ..... Photo: AAB-032

Aerial oblique of HJA Watershed 1
Aerial oblique of Watershed 1, 33 years after photo 19 and 24 years following slash burning.
Photographed by Al Levno ..... Date: 7/16/90 ..... Photo: AAB-033

HJA Watershed 1 Vegetation Plot 6-7
Watershed 1 vegetation plot 6-7, first summer following slash burning.
Photographed by Ted Dyrness ..... Date: 8/3/67 ..... Photo: AAB-028

HJA Watershed 1 Vegetation Plot 6-7
Watershed 1 vegetation plot 6-7, third summer following slash burning.
Photographed by Ted Dyrness ..... Date: 8/11/69 ..... Photo: AAB-029

HJA Watershed 1 Vegetation Plot 6-7
Watershed 1 vegetation plot 6-7, six summers following slash burning.
Photographed by Al Levno ..... Date: 8/8/72 ..... Photo: AAB-030

HJA Watershed 3 lower logged unit
Watershed 3 lower logged unit 13 summers following logging.
Photographed by Al Levno ..... Date: 9/77 ..... Photo: AAB-061

HJA Watershed 3 lower logged unit
Watershed 3 lower logged unit 16 summers following logging.
Photographed by Al Levno ..... Date: 8/80 ..... Photo: AAB-062

HJA Reference Stand 15
Watershed 2 forest stand, Reference Stand 15. This watershed is paired with two similar watersheds (Watersheds 1 and 3) and serves as a control in studies analyzing the effects of timber-harvest methods on soils, stream chemistry, streamflow patterns, revegetation, etc.
Photographed by Al Levno ..... Date: 5/94 ..... Photo: AAB-039

Pictures	Comments
	HJA Watershed 1 before logging Watershed 1 before logging, looking up south tributary above the forks. Photographed by Dick Fredriksen ..... Date: 7/62 ..... Photo: AAB-020
	HJA Watershed 1 logging nearly completed Watershed 1 logging nearly completed July 1966. Photographed by Dick Fredriksen ..... Date: 7/66 ..... Photo: AAB-022
	HJA Watersehd 1 Watershed 1, 20 years following slash burning. Photographed by Al Levno ..... Date: 4/86 ..... Photo: AAB-032
	Aerial oblique of HJA Watershed 1 Aerial oblique of Watershed 1, 33 years after photo 19 and 24 years following slash burning. Photographed by Al Levno ..... Date: 7/16/90 ..... Photo: AAB-033
	HJA Watershed 1 Vegetation Plot 6-7 Watershed 1 vegetation plot 6-7, first summer following slash burning. Photographed by Ted Dyrness ..... Date: 8/3/67 ..... Photo: AAB-028
	HJA Watershed 1 Vegetation Plot 6-7 Watershed 1 vegetation plot 6-7, third summer following slash burning. Photographed by Ted Dyrness ..... Date: 8/11/69 ..... Photo: AAB-029
	HJA Watershed 1 Vegetation Plot 6-7 Watershed 1 vegetation plot 6-7, six summers following slash burning. Photographed by Al Levno ..... Date: 8/8/72 ..... Photo: AAB-030
	HJA Watershed 3 lower logged unit Watershed 3 lower logged unit 13 summers following logging. Photographed by Al Levno ..... Date: 9/77 ..... Photo: AAB-061
	HJA Watershed 3 lower logged unit Watershed 3 lower logged unit 16 summers following logging. Photographed by Al Levno ..... Date: 8/80 ..... Photo: AAB-062
	HJA Reference Stand 15 Watershed 2 forest stand, Reference Stand 15. This watershed is paired with two similar watersheds (Watersheds 1 and 3) and serves as a control in studies analyzing the effects of timber-harvest methods on soils, stream chemistry, streamflow patterns, revegetation, etc. Photographed by Al Levno ..... Date: 5/94 ..... Photo: AAB-039

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Andrews HOMEPAGE	Maintained by Webmaster	Last Modified: 10/19/99