Table 5.

Zostera marina photosynthetic parameters summarized and converted to “normalized units” using empirically derived conversion factors

Original units	Converted Pmax	Converted Rd	Original
	μmol C gdw-1 h-1	μmol C gdw-1 h-1	Reference*
μmol O2 gfw-1 min-1	200 -680	nd	[45]
μmol O2 dm-2 min-1	174	nd	[53]
μmol O2 gdw-1 min-1	72 - 90	51 - 82	[54]
μmol O2 dm-2 min-1	528	nd	[55]
mg O2 gdw-1 h-1	313 - 388	nd	[56]
μmol O2 mg chl-1 min-1	253	3.7 - 19	[47]
μmol O2 mg chl-1 min-1	317	51	[57]
μmol O2 gdw-1 h-1	nd	27-51	[58]
Range	174 - 528	3.7 - 82

*As cited in [12].

Abbreviations: gfw gram fresh weight, gdw gram dry weight, mg chl milligram chlorophyll, dm decimeter, min minute, h hour.