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Global biodiversity and the ancient carbon cycle
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| Zeitschriftentitel: | Proceedings of the National Academy of Sciences |
|---|---|
| Personen und Körperschaften: | |
| In: | Proceedings of the National Academy of Sciences, 98, 2001, 8, S. 4305-4310 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Proceedings of the National Academy of Sciences
|
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Rothman, Daniel H. Rothman, Daniel H. |
|---|---|
| author |
Rothman, Daniel H. |
| spellingShingle |
Rothman, Daniel H. Proceedings of the National Academy of Sciences Global biodiversity and the ancient carbon cycle Multidisciplinary |
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rothman, daniel h. |
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Rothman, Daniel H. 0027-8424 1091-6490 Proceedings of the National Academy of Sciences Multidisciplinary http://dx.doi.org/10.1073/pnas.071047798 <jats:p> Paleontological data for the diversity of marine animals and land plants are shown to correlate significantly with a concurrent measure of stable carbon isotope fractionation for approximately the last 400 million years. The correlations can be deduced from the assumption that increasing plant diversity led to increasing chemical weathering of rocks and therefore an increasing flux of carbon from the atmosphere to rocks, and nutrients from the continents to the oceans. The CO <jats:sub>2</jats:sub> concentration dependence of photosynthetic carbon isotope fractionation then indicates that the diversification of land plants led to decreasing CO <jats:sub>2</jats:sub> levels, while the diversification of marine animals derived from increasing nutrient availability. Under the explicit assumption that global biodiversity grows with global biomass, the conservation of carbon shows that the long-term fluctuations of CO <jats:sub>2</jats:sub> levels were dominated by complementary changes in the biological and fluid reservoirs of carbon, while the much larger geological reservoir remained relatively constant in size. As a consequence, the paleontological record of biodiversity provides an indirect estimate of the fluctuations of ancient CO <jats:sub>2</jats:sub> levels. </jats:p> Global biodiversity and the ancient carbon cycle Proceedings of the National Academy of Sciences |
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| title |
Global biodiversity and the ancient carbon cycle |
| title_unstemmed |
Global biodiversity and the ancient carbon cycle |
| title_full |
Global biodiversity and the ancient carbon cycle |
| title_fullStr |
Global biodiversity and the ancient carbon cycle |
| title_full_unstemmed |
Global biodiversity and the ancient carbon cycle |
| title_short |
Global biodiversity and the ancient carbon cycle |
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global biodiversity and the ancient carbon cycle |
| topic |
Multidisciplinary |
| url |
http://dx.doi.org/10.1073/pnas.071047798 |
| publishDate |
2001 |
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4305-4310 |
| description |
<jats:p>
Paleontological data for the diversity of marine animals and
land plants are shown to correlate significantly with a concurrent
measure of stable carbon isotope fractionation for approximately the
last 400 million years. The correlations can be deduced from the
assumption that increasing plant diversity led to increasing chemical
weathering of rocks and therefore an increasing flux of carbon from the
atmosphere to rocks, and nutrients from the continents to the oceans.
The CO
<jats:sub>2</jats:sub>
concentration dependence of photosynthetic carbon
isotope fractionation then indicates that the diversification of land
plants led to decreasing CO
<jats:sub>2</jats:sub>
levels, while the
diversification of marine animals derived from increasing nutrient
availability. Under the explicit assumption that global biodiversity
grows with global biomass, the conservation of carbon shows that the
long-term fluctuations of CO
<jats:sub>2</jats:sub>
levels were dominated by
complementary changes in the biological and fluid reservoirs of carbon,
while the much larger geological reservoir remained relatively constant
in size. As a consequence, the paleontological record of biodiversity
provides an indirect estimate of the fluctuations of ancient
CO
<jats:sub>2</jats:sub>
levels.
</jats:p> |
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| description | <jats:p> Paleontological data for the diversity of marine animals and land plants are shown to correlate significantly with a concurrent measure of stable carbon isotope fractionation for approximately the last 400 million years. The correlations can be deduced from the assumption that increasing plant diversity led to increasing chemical weathering of rocks and therefore an increasing flux of carbon from the atmosphere to rocks, and nutrients from the continents to the oceans. The CO <jats:sub>2</jats:sub> concentration dependence of photosynthetic carbon isotope fractionation then indicates that the diversification of land plants led to decreasing CO <jats:sub>2</jats:sub> levels, while the diversification of marine animals derived from increasing nutrient availability. Under the explicit assumption that global biodiversity grows with global biomass, the conservation of carbon shows that the long-term fluctuations of CO <jats:sub>2</jats:sub> levels were dominated by complementary changes in the biological and fluid reservoirs of carbon, while the much larger geological reservoir remained relatively constant in size. As a consequence, the paleontological record of biodiversity provides an indirect estimate of the fluctuations of ancient CO <jats:sub>2</jats:sub> levels. </jats:p> |
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| spelling | Rothman, Daniel H. 0027-8424 1091-6490 Proceedings of the National Academy of Sciences Multidisciplinary http://dx.doi.org/10.1073/pnas.071047798 <jats:p> Paleontological data for the diversity of marine animals and land plants are shown to correlate significantly with a concurrent measure of stable carbon isotope fractionation for approximately the last 400 million years. The correlations can be deduced from the assumption that increasing plant diversity led to increasing chemical weathering of rocks and therefore an increasing flux of carbon from the atmosphere to rocks, and nutrients from the continents to the oceans. The CO <jats:sub>2</jats:sub> concentration dependence of photosynthetic carbon isotope fractionation then indicates that the diversification of land plants led to decreasing CO <jats:sub>2</jats:sub> levels, while the diversification of marine animals derived from increasing nutrient availability. Under the explicit assumption that global biodiversity grows with global biomass, the conservation of carbon shows that the long-term fluctuations of CO <jats:sub>2</jats:sub> levels were dominated by complementary changes in the biological and fluid reservoirs of carbon, while the much larger geological reservoir remained relatively constant in size. As a consequence, the paleontological record of biodiversity provides an indirect estimate of the fluctuations of ancient CO <jats:sub>2</jats:sub> levels. </jats:p> Global biodiversity and the ancient carbon cycle Proceedings of the National Academy of Sciences |
| spellingShingle | Rothman, Daniel H., Proceedings of the National Academy of Sciences, Global biodiversity and the ancient carbon cycle, Multidisciplinary |
| title | Global biodiversity and the ancient carbon cycle |
| title_full | Global biodiversity and the ancient carbon cycle |
| title_fullStr | Global biodiversity and the ancient carbon cycle |
| title_full_unstemmed | Global biodiversity and the ancient carbon cycle |
| title_short | Global biodiversity and the ancient carbon cycle |
| title_sort | global biodiversity and the ancient carbon cycle |
| title_unstemmed | Global biodiversity and the ancient carbon cycle |
| topic | Multidisciplinary |
| url | http://dx.doi.org/10.1073/pnas.071047798 |