Table 2.

Summary of annual carbon (C) increment in woody biomass of winegrape vines by site, management type, varietal and vine age as measured in the years 2017 and 2018

Mgmt-Site	Varietal	Vine Age (2017)	2018 KgC/vine	Percent C Increment	Std Dev
O-1	CS	17	4.26	2.4%	3.0%
O-1	PS	17	3.22	− 3.4%	NA
O-1	Sy	17	2.78	10.1%	11.2%
O-1	Zi	17	3.22	4.3%	NA
O-2	Ch	25	5.65	11.7%	NA
O-2	Ch	26	5.95	25.4%	NA
O-2	Ch	27	6.50	24.3%	NA
O-3	CS	18	3.71	11.5%	NA
O-3	CS	20	2.47	15.7%	NA
O-3	CS	21	3.35	− 2.8%	NA
O-4	Ch	22	5.98	20.7%	NA
O-4	Ch	30	6.22	30.9%	NA
O-4	SB	13	3.54	23.0%	NA
O-4	Vi	30	4.39	29.5%	NA
O-5	Ch	16	3.54	17.2%	11.7%
O-6	CS	5	0.91	74.6%	19.3%
O-6	Me	23	3.12	− 1.8%	14.3%
O-6	PS	3	0.28	149.0%	NA
O-7	CS	19	2.93	6.8%	21.6%
O-8	Ch	10	1.62	50.7%	NA
O-8	Ch	29	5.42	26.1%	NA
O-9	CS	5	1.12	50.0%	22.8%
O-9	Ch	5	0.48	55.4%	NA
O-9	PS	14	1.75	25.3%	NA
O-9	Sa	14	4.70	17.0%	NA
O-9	Vi	22	6.21	81.4%	13.4%
O-9	Zi	14	2.60	26.7%	0.3%
B-1	CS	8	2.13	63.0%	NA
B-1	Ch	16	2.02	43.7%	0.6%
B-1	Mu	8	1.38	55.9%	NA
B-1	Ro	16	3.01	17.5%	NA
B-1	SB	13	2.67	51.0%	5.6%
B-2	CS	16	2.14	12.8%	NA
B-2	Gr	16	3.39	18.7%	NA
B-2	PS	5	1.53	44.3%	NA
B-2	PS	15	2.67	16.2%	5.7%
B-2	PV	15	1.91	17.7%	10.8%
B-2	PN	2	0.10	156.2%	28.5%
B-2	PN	6	0.66	69.0%	NA
B-2	Sy	15	2.05	31.0%	4.9%
B-2	Sy	16	0.75	58.0%	NA
B-2	Zi	15	1.92	27.6%	22.7%
B-3	CS	5	0.77	90.1%	4.2%
B-3	CS	14	2.38	21.6%	NA
B-3	CS	19	3.07	7.3%	12.7%
B-3	Ch	22	2.81	8.1%	15.7%
B-3	Me	2	0.10	362.1%	NA
B-3	Me	21	2.34	5.1%	NA
B-3	Me	23	2.23	24.6%	NA
B-3	PS	4	1.23	120.9%	NA
B-3	PN	5	1.10	88.5%	NA

Standard deviations are given where there were multiple blocks on a site planted with the same aged varietal. O, organic; B, biodynamic; CS, Cabernet Sauvignon; Ch, Chardonnay; Gr, Grenache; Me, Merlot; Mu, Muscat; PS, Petite Sirah; PV, Petit Verdot; PN, Pinot Noir; Ro, Rousanne; Sa, Sangiovese; SB, Sauvignon Blanc; Sy, Syrah; Vi, Viognier; Zi, Zinfandel