1. Allen SE, Grimshaw HM, Parkinson JA, Quarmby C (1974) Chemical analysis of ecological materials. Wiley, New York
2. Bauhus J, Pare D (1998) Effects of tree species, stand age and soil type on soil microbial biomass and its activity in a southern boreal forest. Soil Biol Biochem 30:1077–1089
3. Berg B, McClaugherty C (2003) Decomposition as a process. In: Berg B, McClaugherty C (eds) Plant litter–decomposition, humus formation, carbon sequestration. Springer, Berlin, pp 11–30
4. Bragazza L, Buttler A, Siegenthaler A, Mitchell EA (2009) Plant litter decomposition and nutrient release in peatlands. Geoph Monog Ser 184:99–110
5. Brookes PC, Landman A, Pruden G, Jenkinson DS (1985) Chloroform fumigation and the release of soil nitrogen: a rapid direct extraction method to measure microbial biomass nitrogen in soil. Soil Biol Biochem 17:837–842