Accumulation of Aluminium and Physiological Status of Tree Foliage in the Vicinity of a Large Aluminium Smelter

Table 1

Mean, standard deviation, minimum, and maximum values of aluminium, sulphur, chlorophyll a+b concentration, Chl-b/Chl-a, Ph-a/Chl-a, HPCD, and MDA measured in foliage of different tree species in Puerto Madryn, Argentina.

Species	Descriptive statistics	Aluminium (μg g^−1 DW)	Sulphur (mg g^−1 DW)	Chl-a+b (mg g^−1 DW)	Chl-b/Chl-a	Phe-a/Chl-a	HPCD (μmol g^−1 DW)	MDA (nmol g^−1 DW)
P. hybridus; 𝑁=13	Mean	220.2	3.706	2.19	0.33	1.44	51.8	290
	SD	84.48	2.717	0.88	0.09	0.17	28.4	95.2
	Min	89.49	1.290	0.89	0.13	1.04	20.5	141
	Max	467.0	9.343	4.65	0.48	1.76	124	468
E. rostrata; 𝑁=17	Mean	772.6	1.508	2.07	0.42	1.35	109	224
	SD	239.6	0.380	0.76	0.27	0.21	33.2	89.1
	Min	181.3	1.153	0.73	0.04	1.05	55.9	120
	Max	1354.3	2.788	4.34	1.52	1.95	186	446
Pinus spec. (2008/2009); 𝑁=13	Mean	1025	1.887	1.43	0.46	2.09	147	256
	SD	208.1	0.514	0.50	0.13	0.59	52.3	97.7
	Min	704.4	1.241	0.76	0.31	1.41	57.9	163
	Max	1378	3.046	2.88	0.75	3.29	244	547
Pinus spec. (2009/2010); 𝑁=19	Mean	638.3	1.555	1.31	0.44	1.47	141	279
	SD	271.9	0.356	0.65	0.13	0.24	52.1	60.8
	Min	284.2	0.985	0.53	0.23	0.82	27.6	174
	Max	1442	2.450	2.90	0.70	2.03	285	449