Decomposition dynamics of native and standard substrates in forests and peatlands: Mukhrino field station, Western Siberia (2016-2023)

To estimate the values and parameters of decomposition in major ecosystem types in Mukhrino field station, a series of experiments had been initiated since 2016. Occasional studies on decomposition of peat and Sphagnum spp. were performed earlier by the Institute of Soil Science and Agrochemistry (Novosibirsk) (Kosykh et al., 2017a; 2017b). The classical approach of litter bags was used to estimate weight lost, including standard litter type (tea) and native litters in natural as well as in experimental warming conditions (temperature raise by Open Top Chambers). The standard tea substrate was used to compare habitat effect and as part of the global projects on decomposition dynamics, where two different tea types are used to estimate decomposition constant from only one extraction point (Keuskamp et al., 2013; Djukic et al., 2018; MacDonald et al., 2018). To estimate the natural values of decomposition, eleven types of native substrates were chosen. The measurements were filled in the table formatted by Darwin Core standard for biological diversity data and available openly in GBIF (the dataset is updated after each new year of measurements).