ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] SIR-In response to R.A. Lewin (Nature 316, 582; 1985), who proposes a new unit to measure photosynthetically active radiation, certain misconceptions should be dispelled. The photosynthetically ac-tive photon flux density (PPFD) is the quantity of photons incident on a unit area per unit time. It ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/318514b0
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