NDLI: Composition and relative health of remnant vegetation fringing lakes along a salinity and waterlogging gradient

Content Provider	Springer Nature Link
Author	Horsnell, T. K. Smettem, K. R. J. Reylds, D. A. Mattiske, E.
Copyright Year	2008
Abstract	Extensive land clearing for agriculture in south-west Western Australia has led to highly fragmented patches of remnant vegetation. In this landscape, the fringing vegetation of lakes has an important conservation priority in a biologically diverse region but is vulnerable to altered hydrological regimes and easily degraded by waterlogging and salinity. Protection of the fringing vegetation with direct intervention approaches such as drainage or pumping schemes requires knowledge of the tolerance or ‘coping’ range of species targeted for conservation. To obtain this information the health of vegetation in relation to waterlogging and salinity is assessed in two lake systems north of Esperance in south-western Australia. The lower reaches of both systems are dominated by healthy halophytic species. Mesophytes, phreatophytes, xerophytes, and combinations of these classes dominate the upper reaches but are mostly degraded. There are unhealthy and healthy pockets of mesophytic, phreatophytic, xerophytic species, and combinations of these classes occurring at similar elevations above shallow groundwater, indicating that temporal hydroperiod thresholds are important for these species.
Starting Page	489
Ending Page	502
Page Count	14
File Format	PDF
ISSN	09234861
Journal	Wetlands Ecology and Management
Volume Number	17
Issue Number	5
e-ISSN	15729834
Language	English
Publisher	Springer Netherlands
Publisher Date	2008-11-09
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Altered hydrological regimes Hydroperiod Salinity South-west Australia Waterlogging Vegetation Ecology Evolutionary Biology Freshwater & Marine Ecology
Content Type	Text
Resource Type	Article
Subject	Aquatic Science Ecology, Evolution, Behavior and Systematics Management, Monitoring, Policy and Law

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