On the controls of abundance for soil‐dwelling organisms on the Tibetan Plateau

Zhao, Ke; Jing, Xin; Sanders, Nathan J.; Chen, Litong; Shi, Yu; Flynn, Dan F. B.; Wang, Yonghui; Chu, Haiyan; Liang, Wenju; He, Jin‐Sheng

doi:10.1002/ecs2.1901

Cited by 15 publications

(5 citation statements)

References 64 publications

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“…Although at Blue Rock mining site, a significant moderate positive correlation was recorded between soil pH and species richness, we also observed a non-significant positive correlation between soil pH and arthropod abundance. These results support Zhao et al (2017) who found a weak positive correlation between arthropod abundance and soil pH. Sayer et al (2010) reported that phosphorus, calcium and sodium concentrations are vital in shaping the diversity of arthropods, while the concentrations of sodium and magnesium are vital for arthropod abundance.…”

Section: Surface-active Arthropods and Soil Chemical Propertiessupporting

confidence: 82%

The influence of distance from crushed stone mining on surface-active arthropods and soil properties

Yekwayo,

Mngeni

2023

Bothalia ABC

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Background: Mining of crushed stone for use in construction is among the various anthropogenic activities in the Eastern Cape province in South Africa that alter natural landscapes. However, little is known about the impact of these activities on arthropods and soil chemical properties. Objectives: We investigated the effect of distance (5, 30, 50 and 70 metres) from the mining sites on species richness, abundance and composition of surface-active arthropods, as well as composition and concentration of soil chemical properties (soil pH, calcium, magnesium, phosphorus and zinc). Methods: The study was conducted at two mining sites in Nyandeni Local Municipality within the O.R. Tambo District Municipality that were commissioned in 2014. Arthropods were sampled using pitfall traps and thereafter sorted into morphospecies, while an auger was used to collect soil samples. Permutational multivariate analysis was used to compare the composition of the arthropods and soil chemical properties among distances from the mining activities, while arthropod species richness and abundance, as well as concentrations of soil chemical properties, were analysed using the one-way analysis of variance or Kruskal-Wallis test. Results: Arthropod species richness, abundance and composition were not influenced by distance from mining activities. Although among soil chemical properties, mining activities altered the concentration of zinc only, we found dissimilarities in soil composition between the sampling point at the edge of the mining activities and sampling points that were away from the mining sites. Conclusion: We found no evidence of the impact of crushed stone mining on surface-active arthropods; however, our study revealed a negative impact of crushed stone mining on soil chemical properties.

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Section: Surface-active Arthropods and Soil Chemical Propertiessupporting

confidence: 82%

The influence of distance from crushed stone mining on surface-active arthropods and soil properties

Yekwayo,

Mngeni

2023

Bothalia ABC

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“…Therefore, it is hard to estimate the net effect of soil animal on the decomposition. However, nematode and arthropod abundance in the Tibetan alpine meadow soil is relatively low compared to other ecosystems such as forests 44–46 , and the effect of soil animals may also be low in our study.…”

Section: Discussionmentioning

confidence: 53%

Effects of global change factors and living roots on root litter decomposition in a Qinghai-Tibet alpine meadow

Shu

Zhao

et al. 2019

Sci Rep

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Roots account for a major part of plant biomass in Tibetan alpine meadows. Understanding root decomposition with global change is key to predict carbon (C) and nutrient dynamics on the Qinghai-Tibet Plateau. Yet, few experiments have carefully examined root decomposition as influenced by global change. We conducted a field study to investigate the effects of nitrogen (N) addition, air warming, precipitation change, and the presence/absence of living roots on root decomposition in a Tibetan alpine meadow. Our results showed that N addition increased the mass and C remaining, and induced N accumulation in the litter. Increased precipitation significantly amplified the positive effect of N addition on litter mass remaining. The presence of alive roots in the litterbags decreased root litter C remaining but significantly increased N and phosphorus remaining of the litter. However, we did not find any significant effects of air warming on the litter decomposition. In the Qinghai-Tibet Plateau, N deposition is predicted to increase and precipitation regime is predicted to change. Our results suggest that the interaction between increased N and precipitation may reduce root decomposition in the Qinghai-Tibet Plateau in the future, and that the large stock of living roots exert a dominant impact on nutrient dynamics of root decomposition in the Tibetan alpine systems.

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“…Community ecologists are increasingly recognizing the strong, positive relationship between SOC and plant diversity (Chen et al 2018, Yang et al 2019), and studies of flora and fauna populations also benefit from understanding SOC abundance. For example, the abundance of soil‐dwelling invertebrates is strongly driven by SOC contents across natural and agro‐ecosystems (Wang et al 2016, Zhao et al 2017). Studies of soil microbial populations and communities are also invaluable for understanding the fundamental mechanisms governing how soils can feed back to climate at a large scale.…”

Section: Diverse Scientific Disciplines Benefit From Augmenting Soc Dmentioning

confidence: 99%

Soil organic carbon is not just for soil scientists: measurement recommendations for diverse practitioners

Billings

Lajtha

Malhotra

et al. 2021

Ecological Applications

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Soil organic carbon (SOC) regulates terrestrial ecosystem functioning, provides diverse energy sources for soil microorganisms, governs soil structure, and regulates the availability of organically bound nutrients. Investigators in increasingly diverse disciplines recognize how quantifying SOC attributes can provide insight about ecological states and processes. Today, multiple research networks collect and provide SOC data, and robust, new technologies are available for managing, sharing, and analyzing large data sets. We advocate that the scientific community capitalize on these developments to augment SOC data sets via standardized protocols. We describe why such efforts are important and the breadth of disciplines for which it will be helpful, and outline a tiered approach for standardized sampling of SOC and ancillary variables that ranges from simple to more complex. We target scientists ranging from those with little to no background in soil science to those with more soil-related expertise, and offer examples of the ways in which the resulting data can be organized, shared, and discoverable.

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On the controls of abundance for soil‐dwelling organisms on the Tibetan Plateau

Cited by 15 publications

References 64 publications

The influence of distance from crushed stone mining on surface-active arthropods and soil properties

The influence of distance from crushed stone mining on surface-active arthropods and soil properties

Effects of global change factors and living roots on root litter decomposition in a Qinghai-Tibet alpine meadow

Soil organic carbon is not just for soil scientists: measurement recommendations for diverse practitioners

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