Arid
DOI10.1016/j.jaridenv.2016.11.011
Return of the lignum dead: Resilience of an arid floodplain shrub to drought
Freestone, F. L.1,2; Brown, P.1,2; Campbell, C. J.1,2; Wood, D. B.1,2; Nielsen, D. L.3,4; Henderson, M. W.1,2
通讯作者Freestone, F. L.
来源期刊JOURNAL OF ARID ENVIRONMENTS
ISSN0140-1963
EISSN1095-922X
出版年2017
卷号138页码:9-17
英文摘要

In semi-arid regions, woody floodplain plants have developed methods of tolerance to both flooding and drought. Understanding the limits of tolerance to drought is critical to the efforts of restoring these communities. In Australia, Tangled Lignum (Duma florulenta (Meisn.) T. M. Schust) is an ecologically significant floodplain shrub that dominates large areas of the Murray-Darling and Lake Eyre Basins. This study investigates the resilience of lignum plants to dry periods by examining the capacity of plants to regenerate from dormancy. In particular, this study sought to test the hypothesis that lignum regeneration is influenced by increasing duration of dormancy. Variability in regeneration response across the study period was also looked at in relation to regional rainfall and flow. Lignum plants were surveyed at 12 sites on the Murray River floodplain in north-western Victoria. Sites were monitored seven times between 2006-07 and 2012-13. This study found that although lignum can regenerate from dormancy, regeneration is not guaranteed and the likelihood of successful regeneration varies among locations and diminishes with increasing length of dormancy. Lignum communities should be managed to maintain condition and resilience to drought in order to give lignum plants the greatest chance of regeneration success. (C) 2016 Elsevier Ltd. All rights reserved.


英文关键词Muehlenbeckia florulenta Duma florulenta Floodplain vegetation Resurrection plant Rivers Stress tolerance
类型Article
语种英语
国家Australia
收录类别SCI-E
WOS记录号WOS:000392896800002
WOS关键词RESURRECTION PLANT ; SEMIARID ENVIRONMENT ; DESERT FLOODPLAIN ; FLORULENTA ; RIVER ; POLYGONACEAE ; VEGETATION ; TOLERANCE ; FREQUENCY
WOS类目Ecology ; Environmental Sciences
WOS研究方向Environmental Sciences & Ecology
来源机构Commonwealth Scientific and Industrial Research Organisation
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/200084
作者单位1.Murray Darling Freshwater Res Ctr, POB 4095, Mildura, Vic 3502, Australia;
2.La Trobe Univ, POB 4095, Mildura, Vic 3502, Australia;
3.CSIRO Land & Water, Murray Darling Freshwater Res Ctr, POB 821, Wodonga, Vic 3689, Australia;
4.La Trobe Univ, POB 821, Wodonga, Vic 3689, Australia
推荐引用方式
GB/T 7714
Freestone, F. L.,Brown, P.,Campbell, C. J.,et al. Return of the lignum dead: Resilience of an arid floodplain shrub to drought[J]. Commonwealth Scientific and Industrial Research Organisation,2017,138:9-17.
APA Freestone, F. L.,Brown, P.,Campbell, C. J.,Wood, D. B.,Nielsen, D. L.,&Henderson, M. W..(2017).Return of the lignum dead: Resilience of an arid floodplain shrub to drought.JOURNAL OF ARID ENVIRONMENTS,138,9-17.
MLA Freestone, F. L.,et al."Return of the lignum dead: Resilience of an arid floodplain shrub to drought".JOURNAL OF ARID ENVIRONMENTS 138(2017):9-17.
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