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book Ecology 5th Edition by Manuel Molles cover

Ecology 5th Edition by Manuel Molles

النسخة 5الرقم المعياري الدولي: 978-0070171688
book Ecology 5th Edition by Manuel Molles cover

Ecology 5th Edition by Manuel Molles

النسخة 5الرقم المعياري الدولي: 978-0070171688
تمرين 19
Do the oceans act as a source or a sink for phosphorus (refer to fig. 19.2)?
Figure 19.2 The phosphorus cycle. Numbers are 10 12 g P or fluxes as 10 12 g P per year (data from Schlesinger 1991, after Richey 1983, Meybeck 1982, Graham and Duce 1979). Do the oceans act as a source or a sink for phosphorus (refer to fig. 19.2)? Figure 19.2 The phosphorus cycle. Numbers are 10 12 g P or fluxes as 10 12 g P per year (data from Schlesinger 1991, after Richey 1983, Meybeck 1982, Graham and Duce 1979).
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While looking at the phosphorous cycle, ...

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Ecology 5th Edition by Manuel Molles
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