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Lesson 3:

Step 1

Biosphere Gaseous Carbon

To Year

Net Def. Rate

Soil

Terrestrial Plants

2010

2070

2090

2110

By 2090, how has the terrestrial flora population changed? What is the carbon level in the soil and how does the carbon level affect the flora populations and species variety?

Lesson 3:

Step 1

Biosphere Gaseous Carbon

To Year

Net Def. Rate

Soil

Terrestrial Plants

2010

2070

2090

2110

Explanation / Answer

BY 2090, the terrestrial flora population is decreasing.

Carbon level in soil in 2090 is 2089GT. These results are when net deforestation rate is 1 GT. If we change the deforestation rate, corresponding carbon levels will also change.

Carbon level increase leads to global warming. It also effects other biogeochemical cycles like, hydrogen cycle, oxygen cycle etc. Rate of photosynthesis is greatly affected by this. This will lead to overall change in flora of any area. Plant species may either become extinct due to increase in the temperature, or they wil develop certain resistance in their bodies to combat this overall climate change. This resistance effect may be phenotypic and genotypic.

Lesson 3:

Step 1

Biosphere Gaseous Carbon

To Year

Net Def. Rate

Soil

Terrestrial Plants

2010

1GT

2000GT

700GT

2070

1GT

2051GT

776GT

2090

1GT

2089GT

830GT

2110

1GT

2141GT

899GT

Lesson 3:

Step 1

Biosphere Gaseous Carbon

To Year

Net Def. Rate

Soil

Terrestrial Plants

2010

1GT

2000GT

700GT

2070

1GT

2051GT

776GT

2090

1GT

2089GT

830GT

2110

1GT

2141GT

899GT