Examples for Discussion. Example 1 Problem with forest regeneration in one fire-affected location in California.

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Presentation transcript:

Examples for Discussion

Example 1 Problem with forest regeneration in one fire-affected location in California

Example 2 Problem with agricultural productivity and effects on neighboring forests related to their solution response.

Mexico Soils are very alkaline Crops have low productivity Total analysis of soils do not show deficiency but leaf analysis show P deficiency – why??? Available P shows deficiency Farmers are very poor in this Oaxaca region of Mexico How can they increase crop productivity?

Example 3 Problem with erosion in Iceland due to over-harvesting of birch and also grazing by sheep and one of their solutions.

Before Viking Settlement  75% vegetated, 25% mountain birch Today  less than 25% vegetated, 1% mountain birch

Erosion fronts  125,000 km

Lupine Siberian Larch

 Protected for 100 years  Eastern Iceland SITE 1