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Version 3.24
Publication Type J
Authors Yura, H. and A. Ogura
Title Sandblasting as a possible factor controlling the distribution of plants on a coastal dune system
Source Plant Ecology
Author Keywords abrasion beach Carex kobomugi maritime species salt spray wind annuals cakile-maritima salt spray photosynthetic responses windblown sand north-carolina salsola-kali wind survival ecology growth
Abstract Intensity of the abrasive effect of wind-borne sand - sandblasting - in addition to other environmental factors was measured at two vegetation zones on a sandy beach and one site at an inland area. One zone on the beach included foredunes sparsely vegetated by dune species such as Carex kobomugi and Calystegia soldanella. The other zone which was located similar to 50 m inland from the first zone was flat grassland dominated by inland species such as Miscanthus sinensis and Imperata cylindrica var. Koenigii. The inland site consisted of short grassland located 3 km inland from the beach. Intensity of sandblasting was estimated by the whiteness of a transparent plastic sheet exposed to the air for 2 weeks. This sheet turned whitely opaque when it was abraded by wind-borne sand. The other environmental factors measured at the beach were intensity of salt spray, soil water content, soil salinity, and sand accumulation, while intensity of salt spray was the only additional factor measured at the inland site. Intensity of sandblasting was considerably higher at the foredune zone, while that at the grassland zone was as low as that at the inland site. Considerable salt spray was detected at the foredune and grassland zones. Differences in other environmental factors were small between the two zones on the beach. In order to compare the difference in tolerance to sandblasting, a jet of sand was applied to one ordinary species, C. kobomugi, from the foredune and two species, M. sinensis and L cylindrica, from the grassland zone. The difference in tolerance was determined by the decrease in the area of green leaf after applying sandblasting with commercial sandblaster and/or spraying with sea water. M. sinensis and L cylindrica lost much of the leaf area after sandblasting and salt spraying, while C. kobomugi lost little. These results indicated that one of the characteristic environmental factors of a foredune is the high intensity of sandblasting accompanied by salt spray, and that species found in the foredune are more tolerant to sandblasting than species distributing in more inland areas.
Author Address Nat Hist Museum & Inst, Chuo Ku, Chiba 2608682, Japan. Toho Univ, Fac Sci, Dept Biol, Funabashi, Chiba 274, Japan. Yura, H (reprint author), Nat Hist Museum & Inst, Chuo Ku, Aoba Cho 955-2, Chiba 2608682, Japan. h.yr@mc.pref.chiba.jp
ISSN 1385-0237
ISBN 1385-0237
29-Character Source Abbreviation Plant Ecol.
Year Published 2006
Volume 185
Issue 2
Beginning Page 199-208
Digital Object Identifier (DOI) 10.1007/s11258-005-9095-y
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