Morphological characteristics of on-farm water storages and their similarity to natural water bodies in the Border Rivers Catchment, Australia

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Title Morphological characteristics of on-farm water storages and their similarity to natural water bodies in the Border Rivers Catchment, Australia
Author Lutton, Susan Jane; Sheldon, Fran; Bunn, Stuart
Journal Name Aquatic Conservation: Marine and Freshwater Ecosystems
Year Published 2010
Place of publication United Kingdom
Publisher John Wiley & Sons Ltd.
Abstract 1. Natural wetlands throughout the world are under threat from water resource development required to support an ever increasing population. In the Border Rivers Catchment in Queensland, Australia, a large irrigation industry and highly variable flow regime have necessitated the building of large on-farm water storages. With the decline in number and size of natural wetlands, the presence of these storages on the floodplain has raised the question of their suitability as alternative habitat for aquatic fauna. This paper explores the variety of water storage types in the Border Rivers Catchment and how their morphology compares with that of natural wetlands — in particular, factors likely to influence aquatic biodiversity. 2. Storages and natural wetlands formed two distinct groups based on morphology. Storages tended to be large, deep structures with a more regular shape while natural wetlands were irregular and shallow with large perimeters. Although there was a degree of variability amongst the storage sites, a large proportion fell into one group and were considered 'typical storages'. Typical storages contained tailwater and had the following characteristics: situated 3 km from the source river, 10 years old, embankment height of 5m, area of 400 000m2, perimeter of 2.5km and capacity of 1 700 000m3. 3. Due to their uniform structure we believe that most on-farm storages are unlikely to support as diverse or abundant an aquatic population as natural wetlands. The presence of tailwater and associated chemicals is also likely to reduce the aquatic biodiversity of storages compared with natural wetlands. While they may be unsuitable as replacement wetlands, given their numbers they could provide significant aquatic habitat across the landscape, if managed effectively.
Peer Reviewed Yes
Published Yes
Alternative URI http://dx.doi.org/10.1002/aqc.1072
Copyright Statement Copyright 2010 John Wiley & Sons, Ltd. This is the pre-peer reviewed version of the following article: Morphological characteristics of on-farm water storages and their similarity to natural water bodies in the Border Rivers Catchment, Australia, Aquatic Conservation: Marine and Freshwater Ecosystems Volume 20, Issue 1, 2010, 47-57, which has been published in final form at 10.1002/aqc.1072.
Volume 20
Page from 47
Page to 57
ISSN 1052-7613
Date Accessioned 2010-06-24
Date Available 2010-10-21T05:45:09Z
Language en_AU
Research Centre Australian Rivers Institute
Faculty Faculty of Science, Environment, Engineering and Technology
Subject Ecosystem Function; Environmental Management
URI http://hdl.handle.net/10072/33260
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1

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