Table 1.

Range of the main environmental gradients on Korapuki Island

Environmental parameters	Range	Mean	(±SD)
Light availability (% canopy openness)	1.4−11.2	6	(±2.8)
Soil NO3-N and NH4-N (mg/kg)	6.5−173.6	52	(±51)
Soil Olsen-P (mg/kg)	10.0−994.0	273	(±254)
Soil moisture content (% dry weight)	127−267	177	(±43)
Seabird burrow density (m−2)	0−0.94	0.25	(±0.26)