Soil Microbial Functional Diversity Responses to Different Revegetation Types in Baishilazi Nature Reserve

Abstract

Soil microorganisms play important roles in the dynamic regulation of organic matter in the forest ecosystem and are affected by different revegetation types. To reveal the influence of different revegetation types on soil microorganisms, we examined soil properties, soil microbial activity and diversity in Baishilazi Nature Reserve, including two planted coniferous forests (LG: Larix gmelinii, PK: Pinus koraiensis), two natural secondary broadleaf forests (JM: Juglans mandshurica, QM: Quercus mongolica), and one conifer-broadleaf forest (CB). Biolog-Eco plates were used to study soil microbial functional diversity. We found that the content of soil total C and total N existed higher under the broadleaf forests (JM, QM) than conifer-broadleaf forest (CB) and coniferous forests (LG, PK). Carbon source utilization capacity and soil microbial activity showed significant variations among different revegetation types. Soil microbial activity of natural secondary forests was significantly higher than planted coniferous forests, and JM created the highest soil microbial activity. Heatmap and PCA plot clearly differentiated among the different samples. The broadleaf forests, conifer-broadleaf forest and coniferous forests were well separated from each other, especially along the PC1, and the position of conifer-broadleaf forest was intermediate. The findings of canonical correspondence analysis (CCA) suggested that soil total C and total N were the main factors affecting soil microbial functional diversity. This study investigated how shifts in soil microbial functional diversity affected by different revegetation types were operational indicators of soil quality

Soil microbial functional diversity responses to different vegetation types in the Heilongjiang Zhongyangzhan Black-billed Capercaillie Nature Reserve

“…The organic carbon and total nitrogen contents were positively correlated with the Shannon index in our data, and soil C/N was negatively correlated with the same index. These results are inconsistent with what was reported by Deng et al (2019). Different vegetation types produce different amounts and qualities of plant litter input (Ushio et al 2010a(Ushio et al , 2010bZhang et al 2006), promoting different types of microorganisms in the soil (Sariyildiz and Anderson 2003;Tripathi et al 2013).…”

Characterization of ectomycorrhizal fungal communities associated with tree species on an iron tailings deposit undergoing restoration

“…Also, significant differences in the concentrations of soil TC, TN, C/N, AN, TP, AP, and AK differed significantly among PKSZ, RPL, and PSC (Table 1 ), which were highly similar to those reported by Xu et al ( 2014 ). What’s more, compared to PKSZ and PSC, RPL could better improve soil TC, TN, TP, and AP (Table 1 ), which was consistent with previous studies demonstrated that broadleaf forest could improve soil nutrients than coniferous forest (Deng et al 2019a , b ). As we all know, the turnover of litter and fine roots is the main way of soil organic matter input, and the content of organic matter can affect the process of nitrogen transformation and accumulation.…”

Characterization of ECM fungal community under three different vegetation restorations in iron tailing

“…Also, signi cant differences in the concentrations of soil TC, TN, C/N, AN, TP, AP, and AK differed signi cantly among PKSZ, RPL, and PSC (Table 1), which were highly similar to those reported by (hang et al ( 2014). What's more, compared to PKSZ and PSC, RPL could better improve soil TC, TN, TP, and AP (Table 1), which was consistent with previous studies demonstrated that broadleaf forest could improve soil nutrients than coniferous forest (Deng et al, 2019a;Deng et al, 2019b). As we all know, the turnover of litter and ne roots is the main way of soil organic matter input, and the content of organic matter can affect the process of nitrogen transformation and accumulation.…”