Understanding biological characteristics of Acacia melanoxylon in relation to fire to implement control measurements

Understanding biological characteristics of Acacia melanoxylon in relation to fire to implement... & Key message Acacia melanoxylon produces abundant A. melanoxylon, from seed dissemination—–quantifying seed seeds leading to large seed banks in the soil. These seeds rain over a year, their germination with and without fire—the display a large viability and their germination is stimulat- seedling and sapling banks and the structure of the adult pop- ed by heat. To control the populations, it is necessary to ulation. We analysed the effects of fire, seed maturation and remove adults and young individuals, and to prevent seed- scarification on the viability of seeds and the stimulation of ling establishment after fire occupying the space with rap- seed germination in the aerial seed bank and in the different id growth and high competitive native species. strata of the soil seed bank. & Context Acacia melanoxylon displays a widespread distri- & Results Our results indicate that A. melanoxylon produced bution in South West Europe, and an improved knowledge of millions of seeds per ha and per year, half of which germinated its reproductive characteristics is required in order to control and the other half went to the soil seed bank, maintaining the its expansion. viability many years. The germination was the most critical & http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Annals of Forest Science Springer Journals

Understanding biological characteristics of Acacia melanoxylon in relation to fire to implement control measurements

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Publisher
Springer Paris
Copyright
Copyright © 2017 by INRA and Springer-Verlag France SAS
Subject
Life Sciences; Forestry; Wood Science & Technology; Forestry Management; Tree Biology; Environment, general
ISSN
1286-4560
eISSN
1297-966X
D.O.I.
10.1007/s13595-017-0661-y
Publisher site
See Article on Publisher Site

Abstract

& Key message Acacia melanoxylon produces abundant A. melanoxylon, from seed dissemination—–quantifying seed seeds leading to large seed banks in the soil. These seeds rain over a year, their germination with and without fire—the display a large viability and their germination is stimulat- seedling and sapling banks and the structure of the adult pop- ed by heat. To control the populations, it is necessary to ulation. We analysed the effects of fire, seed maturation and remove adults and young individuals, and to prevent seed- scarification on the viability of seeds and the stimulation of ling establishment after fire occupying the space with rap- seed germination in the aerial seed bank and in the different id growth and high competitive native species. strata of the soil seed bank. & Context Acacia melanoxylon displays a widespread distri- & Results Our results indicate that A. melanoxylon produced bution in South West Europe, and an improved knowledge of millions of seeds per ha and per year, half of which germinated its reproductive characteristics is required in order to control and the other half went to the soil seed bank, maintaining the its expansion. viability many years. The germination was the most critical &

Journal

Annals of Forest ScienceSpringer Journals

Published: Aug 14, 2017

References

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