Changes in Soil Arthropod Abundance and Community Structure across a Poplar Plantation Chronosequence in Reclaimed Coastal Saline Soil

Abstract

Poplar plantations have the capacity to improve the properties of soils in muddy coastal areas; however, our understanding of the impacts of plantation development on soil arthropods remains limited. For this study, we determined the community dynamics of soil dwelling arthropods across poplar plantations of different ages (5-, 10-, and 21-years) over the course of one year in Eastern Coastal China. The total abundance of soil arthropods differed with stand development. Further, there were some interactions that involved the sampling date. On average, total abundance was highest in the 10-year-old stands and lowest in the 5-year-old stands. Total abundance exhibited strong age-dependent trends in June and September, but not in March or December. The abundance of Prostigmata and Oribatida increased in the 5- to 21-year-old stands, with the highest levels being in the 10-year-old stands. The abundance of Collembola increased with stand development; however, the stand age had no significant impact on the abundance of epedapic, hemiedaphic, and euedaphic Collembola. Order richness (Hill number q = 0) curve confidence intervals overlapped among three stand ages. Shannon and Simpson diversity (Hill numbers q = 1 and q = 2) differed between 10- and 21-year-old stand age. They showed almost similar trends, and the highest and lowest values were recorded in the 21- and 10-year-old stand ages, respectively. Permutational multivariate analysis of variance demonstrated that composition also varied significantly with the sampling date and stand age, and the 10-year-old stands that were sampled in June stood well-separated from the others. Indicator analysis revealed that Scolopendromorpha and Prostigmata were indicators in June for the 10-year-old stands, while Collembola were indicators for the 21-year-old stands sampled in September. Our results highlight that both stand development and climate seasonality can significantly impact soil arthropod community dynamics in the reclaimed coastal saline soils of managed poplar plantations.

Soil organic carbon regulation from chemistry in top- but microbial community in subsoil in eastern coastal China poplar plantations

“…Poplar is one of the most important economic tree species in China (Zhang et al, 2016;Li et al, 2018). There are approximately 8.54 million hectares of poplar plantations in China, accounting for 18.14% of total plantation area (Tun et al, 2018).…”

Influência Da Distância Geográfica Sobre a Diversidade Beta De Plantas Regenerantes Em Florestas Em Diferentes Estágios Sucessionais

“…Isso pode estar associado com a época do ano em que a amostragem foi realizada. De fato, o estudo foi conduzido no período de inverno, que pode favorecer a presença desses organismos Li et al (2018). sugerem que durante a época chuvosa, a diversidade de artrópodes aumenta significativamente em plantações de Alnus sp.…”

Influência Do Uso Do Solo Sobre a Composição De Artrópodes De Serapilheira

“…Isso pode estar associado com a época do ano em que a amostragem foi realizada. De fato, o estudo foi conduzido no período de inverno, que pode favorecer a presença desses organismos Li et al (2018). sugerem que durante a época chuvosa, a diversidade de artrópodes aumenta significativamente em plantações de Alnus sp.…”