Biological traits of Salix humboldtiana willd. and flood pulse

Authors
Citation
J. Liotta, Biological traits of Salix humboldtiana willd. and flood pulse, INTERCIENCI, 26(9), 2001, pp. 397-403
Citations number
27
Language
SPAGNOLO
art.tipo
Article
Categorie Soggetti
Multidisciplinary
Journal title
INTERCIENCIA
ISSN journal
0378-1844 → ACNP
Volume
26
Issue
9
Year of publication
2001
Pages
397 - 403
Database
ISI
SICI code
0378-1844(200109)26:9<397:BTOSHW>2.0.ZU;2-X
Abstract
The flood pulse is a key-factor in the eccesis of the Salix humboldtiana Wi lld. (creole willow) forests in the lower Parana River. The control is expr essed mainly by two processes: a) the appearance of banks suitable for the colonization by these trees. These gallery forests also increase the soil l evel through retention of sediments by the woods determining the levee form ation, and b) the erosion, which progressively remove the levees with the m ature trees. Several traits of the biology of the willow, such as productio n of great quantity of small seeds that germinate in very humid substrates, and far from the trees of the previous generation, high speed of growth, a daptations to the flood, have allowed their survival in this highly dynamic environment.