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Koraļļu rifi

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KoraĜĜu rifu produktivitāte<br />

• SlāpekĜa un fosfora<br />

avoti:<br />

- aktīva planktona<br />

filtrācija<br />

- atmosfēras slāpekĜa<br />

fiksācija bentiskajās<br />

zilaĜăēs (piem., Calothrix<br />

crustacea)<br />

- izšėīdušo organisko<br />

vielu uzĦemšana<br />

1.8kg N ha -1 dienā

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