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Land Use, Climate and Transport of Nutrients: Evidence Emerging from the Lake Vicocase Study

Author

Listed:
  • F. Recanatesi

    (Tuscia University, Department Land Management Engineering Group (DAFNE)
    Tuscia University, Department of Agriculture, Forests, Nature and Energy (DAFNE))

  • M. N. Ripa

    (Tuscia University, Department Land Management Engineering Group (DAFNE))

  • A. Leone

    (Tuscia University, Department Land Management Engineering Group (DAFNE))

  • Perini Luigi

    (Italian National Agricultural Research Council, Unit of Climatology and Meteorology applied to Agriculture)

  • Salvati Luca

    (Centre for the Study of Soil–Plant Interactions, Italian National Agricultural Research Council)

Abstract

Soil erosion is a Europe-wide problem, causing both loss of soil fertility and pollution due to nutrient transport into water bodies. This process is particularly important in the Mediterranean area, where the climate, characterised by long periods of drought followed by intense precipitation, favours soil erosion. Research carried out in this field has amply described this process, showing that climate and land use/land cover (LU/LC) are the two main factors regulating this phenomenon. However, the interaction between these factors is complex and experimental research is needed to understand the nutrient loads deriving from different land uses. This paper shows the results of a long-term monitoring project carried out in the Lake Vico basin (central Italy), using high resolution data and runoff samples to determine the phosphorus (P) export from four different LU/LC classes resulting from the same climatic event. The results highlight the fundamental role that LU/LC plays in terms of phosphorus load. Furthermore, the results appear to indicate that the maximum rainfall registered for 30′ (I 30, max), rather than the total quantity of precipitation, has the greatest effect on levels of erosion, and consequently on the migration of nutrients rather than the total quantity of precipitation can affect on erosion and therefore the migration of nutrients. These data could contribute to scientific planning support for land management choices aimed at controlling water pollution from non-point pollution sources.

Suggested Citation

  • F. Recanatesi & M. N. Ripa & A. Leone & Perini Luigi & Salvati Luca, 2013. "Land Use, Climate and Transport of Nutrients: Evidence Emerging from the Lake Vicocase Study," Environmental Management, Springer, vol. 52(2), pages 503-513, August.
    • Handle: RePEc:spr:envman:v:52:y:2013:i:2:d:10.1007_s00267-013-0060-6
    DOI: 10.1007/s00267-013-0060-6
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