Archaeol: An Indicator of Methanogenesis in Water-Saturated Soils

Table 1

Soil properties at Caeau Bronydd Mawr, Cefn Cribwr Meadows, and Caeau Ton-y-Fildre [31].

Site	Site coordinates	Texture	Dominant soil type	pH water		Exchange acidity	Cation exchange capacity	Base saturation
			(Avery 1980)	0–15 cm	15–30 cm	(meq/100 g 105° dry soil)	(meq/100 g 105° dry soil)	%
Cefn Cribwr; Meadows	51 55.40′N; 3 40.12′W	Loamy over clay with sandy patches	Stagnogley	5.37	5.62	1.66	9.031	81.6
Caeau Bronydd; Mawr	46.57′N; 3 38.46′W	Loamy over clay with sandy patches	Stagnogley	4.92	4.89	1.638	5.541	70.4
Caeau Ton-y-Fildre	51 31.28′N; 3 40.5′W	Humose over sandy clay	Stagnohumic gley	5.19	5.27	1.195	8.031	85.1