. 2013 Aug 13;8(8):e71406. doi: 10.1371/journal.pone.0071406

Table 3. Species model results showing the best transformation (L = linear; Q = quadratic) and the sign of the coefficient for significant habitat variables, bolded oceanographic variables included interactions with year (n = 2336).

Variable	western gull	common murre	Cassin’s auklet	Rhinoceros auklet	Brandt’s cormorant
*Model Fitting*
SST		Q (−) ^**			Q(−) ^*
SSS			L (+) ^***	L (+)^*
SSF		Q (+)^**	Q (+)^*	L (−)^**
Dist_land		Q (−)^***
Dist_200m	Q(−)^***	L (+)^***	Q (−)^***	L (−)^***	L (+)^***
Dist_SEFI	L (−)^**	Q (+)^***	Q(+)^***	L (+)^*	L (−)^***
NPGO		Q (+)^***		L (−)^***
PDO		Q (+)^***
SOI			Q (+)^***	L (+)^***
UI_value	L (−)^*
Cloud			L (−)^*	L (−)^**
Sea state	L (+)^**			L (+)^**
Time of day			L (+)^*		L (−)^**
Model X² (df)	70.7 (13)	1017.4(29)	397.8 (25)	311.5 (15)	336.9(20)
Model P	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001
Vuong test for zero inflation	0.02		0.06	0.00	0.04
*Model Validation*
Model F (1, 2334)	5.52	20.18	35.37	107.22	4.52
Model P	0.0189	<0.0001	<0.0001	<0.0001	<0.0336

= p-value <0.05

^**

= p-value <0.01

^***

= p-value <0.0001.