WeihrauchWeberSperber2021

Référence

Weihrauch, C., Weber, C.J., von Sperber, C. (2021) A Soilscape Network Approach (SNAp) to investigate subsurface phosphorus translocation along slopes. Science of the Total Environment, 784. (Scopus )

Résumé

Subsurface phosphorus (P) translocation along slopes may contribute to P enrichment in the subsoils of riparian buffer zones. Such “deep P stocks” might contribute to P concentrations and eutrophication of freshwaters. Better understanding of subsurface P translocation through the soilscape is required to understand the build-up of deep P stocks and to develop targeted mitigation strategies against it. However, such soilscape P dynamics are difficult to tackle due to logistical limitations of common field sampling strategies. Here, we introduce the Soilscape Network Approach (SNAp) as a solution to this problem: It enables to study soilscape P dynamics from a new analytical perspective but on the basis of common field sampling strategies. For this purpose, we are using the graph visualization platform Gephi with field data from a study on subsurface P translocation in Germany. The application of SNAp corroborated prior results regarding deep P stocks in riparian buffer zones, and it enabled the identification of major P sink and source sites as well as dominant P translocation pathways. Our SNAp analysis suggests that subsurface P translocation from topslopes and middle slopes is relevant for the build-up of deep P stocks in the studied toeslope subsoils, especially with shallow basalt or agricultural fertilizer inputs on the top- and middle slopes. Besides, the data imply that lateral P translocation along the studied slopes is small on short slopes, increases until a maximum is achieved, then decreases again when slopes are too long. The SNAp analysis offers new findings which gave valuable insights for the mitigation of subsurface P translocation along slopes. © 2021 Elsevier B.V.

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@ARTICLE { WeihrauchWeberSperber2021,
    AUTHOR = { Weihrauch, C. and Weber, C.J. and von Sperber, C. },
    JOURNAL = { Science of the Total Environment },
    TITLE = { A Soilscape Network Approach (SNAp) to investigate subsurface phosphorus translocation along slopes },
    YEAR = { 2021 },
    NOTE = { cited By 1 },
    VOLUME = { 784 },
    ABSTRACT = { Subsurface phosphorus (P) translocation along slopes may contribute to P enrichment in the subsoils of riparian buffer zones. Such “deep P stocks” might contribute to P concentrations and eutrophication of freshwaters. Better understanding of subsurface P translocation through the soilscape is required to understand the build-up of deep P stocks and to develop targeted mitigation strategies against it. However, such soilscape P dynamics are difficult to tackle due to logistical limitations of common field sampling strategies. Here, we introduce the Soilscape Network Approach (SNAp) as a solution to this problem: It enables to study soilscape P dynamics from a new analytical perspective but on the basis of common field sampling strategies. For this purpose, we are using the graph visualization platform Gephi with field data from a study on subsurface P translocation in Germany. The application of SNAp corroborated prior results regarding deep P stocks in riparian buffer zones, and it enabled the identification of major P sink and source sites as well as dominant P translocation pathways. Our SNAp analysis suggests that subsurface P translocation from topslopes and middle slopes is relevant for the build-up of deep P stocks in the studied toeslope subsoils, especially with shallow basalt or agricultural fertilizer inputs on the top- and middle slopes. Besides, the data imply that lateral P translocation along the studied slopes is small on short slopes, increases until a maximum is achieved, then decreases again when slopes are too long. The SNAp analysis offers new findings which gave valuable insights for the mitigation of subsurface P translocation along slopes. © 2021 Elsevier B.V. },
    AFFILIATION = { Department of Geography, Philipps-University of Marburg, Deutschhausstrasse 10, Marburg, 35037, Germany; Department of Geography, McGill University, 805 Sherbrooke Street West, Montréal, Québec, Canada },
    ART_NUMBER = { 147131 },
    AUTHOR_KEYWORDS = { Deep phosphorus stock; Eutrophication; Floodplain; Network analysis; Phosphorus loss; Riparian buffer zone },
    DOCUMENT_TYPE = { Article },
    DOI = { 10.1016/j.scitotenv.2021.147131 },
    SOURCE = { Scopus },
    URL = { https://www.scopus.com/inward/record.uri?eid=2-s2.0-85105268445&doi=10.1016%2fj.scitotenv.2021.147131&partnerID=40&md5=0f7cf8634d9e149070966cafe6fdbfe4 },
}

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