Effects of natural forest conversion and plantation tree species composition on soil macrofauna communities in Northeast China mountains

doi:10.1007/s11676-022-01581-3

Abstract

Abstract:

As primary and secondary forests are being replaced by plantations across the globe, the soil macrofauna community structure is also affected, but little is known about the impact of mixed culture plantations compared with monocultures on the soil macrofauna. To determine the impact of forest conversion on soil macrofauna, we surveyed the soil macrofauna in two broad-leaved and three coniferous monoculture stands and four coniferous–broadleaved mixed stands, and in adjacent reserved secondary stands as a reference. Soil macrofauna community composition was significant affected by forest type, season and their interaction (P < 0.05). The abundance, taxa richness and diversity of soil macrofauna changed to different degrees depending on the plantation type. Broadleaved monoculture stands and secondary stands had similar macrofauna abundance and taxa richness, but values were lower in coniferous stands than in secondary stands. The Shannon index for macrofauna in coniferous stands was also the lowest, but the Pielou index did not differ between forest types. The negative effects of the conifer monoculture on soil macrofauna were not present in the mixed stands with broad-leaved trees. Forest conversion impacted soil properties; soil moisture, NO₃ ⁻, and pH were significant drivers of soil macrofauna community structure. The impact of forest conversion on soil macrofauna was closely dependent on tree species composition and diversity. The macrofauna community structure in the broadleaved and the mixed stands were relatively similar to that in the natural forest, and thus recommended for forest conversion in the study area.

Key words: Forest conversion, Plantation forest, Tree species composition, Soil macrofauna, Diversity, Functional group

Shuangjiao Ma, Qingcheng Wang, Yong Zhang, Limei Yan, Donghai Cui, Liqing Xu. Effects of natural forest conversion and plantation tree species composition on soil macrofauna communities in Northeast China mountains[J]. JOURNAL OF FORESTRY RESEARCH, 2023, 34(5): 1475-1489.

Shuangjiao Ma, Qingcheng Wang, Yong Zhang, Limei Yan, Donghai Cui, Liqing Xu. [J]. 林业研究(英文版), 2023, 34(5): 1475-1489.

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