Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

Karst rocky desertification progress: Soil calcium as a possible driving force

Jing Tang, Xiaoxin Tang, Yangmei Qin, Qiushun He, Yin Yi, Zhi‐Liang Ji

The Science of The Total Environment · 2018

Read source ↗ All evidence

Summary

This 2018 study investigates soil calcium as a potential driving force in karst rocky desertification, a form of severe land degradation characteristic of limestone and dolomite landscapes. The authors examined relationships between calcium depletion and progressive desertification progression, suggesting that calcium loss from soils may be a key biogeochemical factor underlying the transition from vegetated to bare rock-dominated landscapes. The work contributes to understanding soil-driven mechanisms of desertification in vulnerable karst systems.

UK applicability

Direct applicability to UK practice is limited, as extensive karst rocky desertification is not a primary agricultural concern in Britain. However, the mechanistic insights into calcium cycling and soil degradation may inform understanding of soil resilience and nutrient depletion in marginal UK upland soils, particularly in limestone regions.

Key measures

Soil calcium content and concentration; extent and severity of rocky desertification; soil and landscape characterization across degradation gradients

Outcomes reported

The study examined the relationship between soil calcium loss and progressive rocky desertification in karst landscapes. The research appears to identify soil calcium dynamics as a potential mechanism driving land degradation in karst regions.

Theme
Farming systems, soils & land use
Subject
Soil fertility & nutrient management
Study type
Research
Study design
Field trial
Source type
Peer-reviewed study
Status
Published
Geography
China
System type
Other
DOI
10.1016/j.scitotenv.2018.08.242
Catalogue ID
SNmojyxqtx-ykpg6g

Topic tags

Pulse AI · ask about this record

Dig deeper with Pulse AI.

Pulse AI has read the whole catalogue. Ask about this record, its theme, or how the findings apply to UK farming and policy — every answer cites the underlying studies.