NDLI: Effective Control of Aquatic Invasive Species in Tropical Australia

Content Provider	Springer Nature Link
Author	Januchowski Hartley, Stephanie VanDerWal, Jeremy Sydes, Damon
Copyright Year	2011
Abstract	Often ecologists and natural resource managers can easily access data on invasive species occurrence across a region. Yet, collecting species abundance data over a large area is arguably more important for decision making, but inherently costly, so methods which can provide robust information at low-cost are particularly valuable. Studies of species distribution often use occurrence data to build models of the environmental niche. Environmental suitability derived from such models may be used to predict the potential distributions of species. The ability of such models to predict spatial patterns in abundance have recently been demonstrated. Here we tested the relationship of environmental suitability with local abundance of an aquatic invasive species, olive hymenachne (Hymenachne amplexicaulis) in the Wet Tropics of Australia. Ordinary least squares and quantile regressions revealed a positive relationship between environmental suitability and local abundance of olive hymenachne. We expand on this and use the relationship between environmental suitability and local abundance to quantify the effectiveness of management (reduction in local abundance) under four different management investments. We show that the upper limit of abundance can be used to evaluate management effectiveness based on varying investments, and that ongoing management is the most effective at reducing local abundance. We discuss implications of this in addressing important problems in invasive species management.
Starting Page	568
Ending Page	576
Page Count	9
File Format	PDF
ISSN	0364152X
Journal	Environmental Management
Volume Number	48
Issue Number	3
e-ISSN	14321009
Language	English
Publisher	Springer-Verlag
Publisher Date	2011-05-10
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Abundance Ecological niche model Environmental suitability Hymenachne amplexicaulis Linear quantile regression Management effectiveness Atmospheric Protection/Air Quality Control/Air Pollution Environmental Management Nature Conservation Ecology Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution Forestry Management
Content Type	Text
Resource Type	Article
Subject	Ecology Pollution Global and Planetary Change

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