Focus on forests activity 2 sp 1 mount st helens PDF

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Summary

An assignment about forest activity. Marine Biology...

Description

NAME:

Dylan Bulkan

PERIOD: 6

DATE: 9/21/20

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Mount St. Helens– A Story of Succession

Mount St. Helens, May 17, 1980, one day before the devastating eruption. The view is from Johnston’s Ridge, six miles (10 kilometers) northwest of the volcano. Photo taken May 17, 1980, by Harry Glicken, USGS.

Mount St. Helens, soon after the May 18, 1980 eruption, as viewed from Johnston’s Ridge. Photo taken September 10, 1980, by Harry Glicken, USGS.

Redback salamander. Photo by David Cappaert, Michigan State University.

Vine maple. Photo by Chris Evans, River to River CWMA.

Mountain hemlock. Photo by Donald Owen, California Department of Forestry and Fire Protection.

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Mount St. Helens– A Story of Succession (cont.)

Perennial lupine. Photo by Catherine Herms, The Ohio State University.

Roosevelt elk. Photo by Terry L Spivey, Terry Spivey Photography.

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Mount St. Helens– A Story of Succession (cont.)

Red alder. Brian Lockhart, USDA Forest Service.

Pearly everlasting. Photo by Mary Ellen (Mel) Harte.

Fireweed. Photo by Dave Powell, USDA Forest Service.

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Mount St. Helens– A Story of Succession Questions

Yes, they survived because they were able to resprout from roots protected in moist soil.

Survivors, and their fragments come downstream and turn into whole plants. Replenishing the barren area.

They created a microhabitat for other plant species, put nitrogen into the soil, and attracted insects.

Wind transported seeds and insects. The plants and landscape were able to capture the seeds to let new plants grow.

They attracted birds, deer, and elk. The lupine helped with plant growth and attracted other animals.

A colonizer is a plant that comes to a new environment and becomes established.

The red alder was able to enrich the soil, letting more plants grow. Also it provides shade, so animals that like shade will come

The blast zone will continue to be a functioning ecosystem with flourishing plants and animals.

Another volcanic blast hits the area, devatating the landscape....