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24. Ekosistem in pretok energije

24. Ekosistem in pretok energije

24. Ekosistem in pretok energije

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Razpoložljivih hranil<br />

Neto primarna produkcija odvisna od:<br />

b) Neto primarne produkcije različnih<br />

ekosistemov<br />

Razlike med ekosistemi so velike (slika <strong>24.</strong>8, tabela):<br />

- tropski deževni gozdovi: 1000-3500 g/m 2 /leto<br />

- gozdovi zmernega pasi: 600-2500 g/m 2 /leto<br />

- savana 200-300 g/m 2 /leto<br />

- tajga, puščava: 100-250 g/m 2 /leto<br />

22<br />

23<br />

24<br />

8

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