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Formation of phytogenic hillocks in Southern Poland
Authors:O Rahmonov  VA Snytko  T Szczypek
Institution:1. University of Silesia, Sosnowiec, Poland;2. Limnological Institute SB RAS, Irkutsk;1. School of Environmental and Forest Sciences, University of Washington, Box 354115, Seattle, WA 98195, USA;2. U. S. Geological Survey, 700 Cajundome Blvd., Lafayette, LA 70506, USA;1. College of Geology & Environment, Xi''an University of Science and Technology, Xi''an, 710054, Shaanxi, China;2. Institute of Soil and Water Conservation, Northwest Agricultural & Forestry University, Yangling, 712100, Shaanxi, China;1. Instituto Potosino de Investigación Científica y Tecnológica, A.C., División de Ciencias Ambientales, Camino a la Presa San José 2055, Col. Lomas 4a. Sección, C.P. 78216 San Luis Potosí, S.L.P., Mexico;2. Universidad Autónoma de Nuevo León, Facultad de Ciencias Forestales. A.P. 41, 67700 Linares, N.L., Mexico;1. State Key Laboratory of Materials-Oriented Chemical Engineering, School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, 210009, China;2. College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, 310014, China;3. Shandong Key Laboratory of Water Pollution Control and Resource Reuse, China
Abstract:We discuss the issues related to the formation of phytogenic hillocks on sand massifs in the eastern part of the Silesian Highlands. These regions formed on originally deflated fossil soils. The formation processes of hillocks are directly associated with the growth of Salix arenaria. The spread of Salix arenaria in deflation regions is not accidental but exhibits a direct linkage with underlying substrate, especially with the emergence of silt material in it. Species that colonize such regions form propagation cores of vegetation through the spread of secondary roots. Adventitious (daughter) branch roots of Salix arenaria that are responsible for the formation of phytogenic hillocks develop along the main mother roots.
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