TABLE 1.

Locations and dominant vegetation types of sampling sites^a

Climate	Soil type	Region	Site			Dominant vegetation
			Name	Location	Abbreviation
Mediterranean	Chromic luvisols	Southwestern Australia	Bridgetown	34°0′S, 116°15′E	BN	Eucalyptus forest
			Geraldton	28°24′S, 114°51′E	GE	Acacia, meadow
			Jarrahdale	32°23′S, 116°07′E	JD	Dense eucalyptus forest
			Kelleberrin	31°24′S, 117°46′E	KE	Acacia, shrubs
			Merredin	31°23′S, 118°41′E	ME	Eucalyptus, acacia woodland
		South Africa	Helshoogte	33°56′S, 18°54′E	HH	Eucalyptus over renosterveld
			Mooreesburg	33°4′S, 18°40′E	MB	Renosterveld
			Mamreweg	33°38′S, 18°28′E	MR	Renosterveld
			Welgevallen	33°57′S, 18°52′E	WG	Fynbos
			Paarl Mountain	33°44′S, 18°56′E	PM	Fynbos
		California	Chabot	37°45′N, 122°10′W	CH	Eucalyptus
			Cloverdale	40°29′N, 122°29′W	CL	Oak, pine meadow
			Hillgate	40°10′N, 122°30′W	HG	Oak, pine meadow
			Murrieta	33°25′N, 119°41′W	MU	Oak meadow, chapparal
			Venice Hills	36°20′N, 119°41′W	VH	Meadow
		Central Chile	Rio Clarillo	33°51′S, 70°29′W	RC	Acacia, cryptocaria, lithraea
			La Campana	32°57′S, 71°05′W	LC	Cryptocaria, acacia, lithraea, chusquea
			Lago Penuelas	33°20′S, 70°30′W	LP	Acacia, pine
			Fray Jorge	30°38′S, 71°35′W	FJ	Kageneckia, myrceugenia
Boreal forest	Albic luvisols	Saskatchewan, Canada	Bittern	53°55′N, 105°27′W	BT	White spruce, poplar, birch
			Napatak	54°52′N, 105°24′W	NP	Jack pine, white spruce
			Porcupine	52°39′N, 102°23′W	PC	Poplar
			Waitville	53°41′N, 105°22′W	WV	White spruce, poplar, jack pine, birch
			Waskesieu	54°0′N, 106°35′W	WK	Jack pine, birch, white spruce
		Russia	RI	38°0′E, 60°0′N		Spruce, birch
			RII	38°30′E, 60°30′N		Spruce, birch
			RIII	39°0′E, 60°30′N		Pine, spruce, birch
			RIV	39°0′E, 61°0′N		Pine, spruce, birch

^aData is reproduced with the permission of the publisher from reference 11.