Shengnan Zhou

Shengnan Zhou
University of Illinois Urbana-Champaign | UIUC · Department of Crop Sciences

PhD

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13
Publications
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118
Citations

Publications

Publications (13)
Article
A defining feature of the Anthropocene is the distortion of the biosphere phosphorus (P) cycle. A relatively sudden acceleration of input fluxes without a concomitant increase in output fluxes has led to net accumulation of P in the terrestrial‐aquatic continuum. Over the past century, P has been mined from geological deposits to produce crop ferti...
Article
Phosphorus (P) inputs to the biosphere have quadrupled in less than a century due to intensification of rock phosphate mining and the use of P fertilizers for crop production. Accumulation of P in soils can increase P transfers across the soilwater continuum that impair aquatic ecosystem function and water resource quality for society. However, wha...
Article
Full-text available
To monitor and meet water quality objectives, it is necessary to understand and quantify the contribution of nonpoint sources to total phosphorus (P) loading to surface waters. However, the contribution of streambank erosion to surface water P loads remains unclear and is typically unaccounted for in many nutrient loading assessments and policies....
Article
Phosphorus (P) in streambank soils can directly enter waterbodies via streambank erosion. How much and what form of P is entailed by this terrestrial-aquatic transfer has implications for the degree and timespans of downstream water quality impacts. Quantifying the bioavailability and spatial distribution of soil P species in streambanks is needed...
Article
Characterizing the vertical distribution of total phosphorus (P) and P forms in streambanks can improve estimates of P loads to streams via bank erosion. Using a systematic literature review, this meta-analysis evaluated the vertical distribution of total P (Ptot), Bray-1 test P (PBray1), oxalate-extractable P (Pox), degree of P saturation (DPSox),...
Article
Quantifying spatiotemporal dynamics of soil organic carbon (SOC) stocks is needed to understand the impact of land use change and target carbon sequestration efforts. In the recently and radically transformed landscapes of the state of Illinois, U.S.A., we evaluated surface SOC stocks under land use change using a space-for-time substitution method...
Article
Raindrop impact and wetting-drying cycles of soil strongly influence aggregate breakdown and reformation, but these mechanisms have not been examined simultaneously under field conditions. This study examined soil breakdown and aggregation in situ following rain events and inter-event soil moisture variations (referred herein as wetting-drying cycl...
Article
Full-text available
Core Ideas IML‐CZO is structured to study system responses through event‐based monitoring. Management legacy has shaped critical zone processes. Management and weather affect landscape heterogeneity and surface–subsurface pathways. In intensively managed landscapes, interactions between surface (tillage) and subsurface (tile drainage) management w...
Article
Full-text available
The role of tillage practices on soil aggregate properties has been mainly addressed at the pedon scale (i.e., soilscape scale) by treating landscape elements as disconnected. However, there is observed heterogeneity in aggregate properties along flowpaths, suggesting that landscape scale hydraulic processes are also important. This study examines...
Article
The vegetation succession after volcano eruptions is a dynamic process, which is affected by several factors. It is significant to understand this process and its affecting factors for studying succession rules after volcanic disturbances and predicting the future succession dynamics. In this paper, we reviewed the research advances in this field a...
Article
For the sake of studying the formation mechanism of forest distribution and succession process differences among four terrestrial aspects of Changbai Mountains, the forest succession dynamics after the volcano super eruption occurred 800 years ago was to be reconstructed. Especially, the role of seed dispersal in the forest succession on tephra bar...

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