examples for discussion
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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 - PowerPoint PPT PresentationTRANSCRIPT
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Examples for Discussion
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Example 1
• Problem with forest regeneration in one fire-affected location in California
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Example 2
• Problem with agricultural productivity and effects on neighboring forests related to their solution response.
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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?
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Example 3
• Problem with erosion in Iceland due to over-harvesting of birch and also grazing by sheep and one of their solutions.
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Before Viking Settlement 75% vegetated, 25% mountain birchToday less than 25% vegetated, 1% mountain birch
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Erosion fronts 125,000 km
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LupineSiberian Larch
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Protected for 100 yearsEastern Iceland
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