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GeoJournal

, Volume 40, Issue 1–2, pp 101–113 | Cite as

Human population growth and over-utilization of the biotic resources of the Murray — Darling River system, Australia

  • Shiel Russell J. 
I. General Impacts of Human Population Growth on Inland Waters (b) Philippines, Malaysia, New Zealand, Australia

Abstract

Imbalances in aquatic ecosystems of the Murray-Darling Basin reflect 180 years of inappropriate land use practices. Regulation of most rivers in the Basin has reduced frequency or duration of inundation of floodplains, with profound effects on a species-rich, highly specialized aquatic biota. Exotic introductions (e.g. trout, carp) have further modified aquatic ecosystems. Floodplain billabongs (= ox-bow lakes) are critical to maintenance of floodplain biodiversity, yet with isolation of floodplains from the parent rivers, billabongs are being lost or severely degraded. Consideration is given to the apparent carrying-capacity of the Basin, the present over-commitment of its most valuable resource, water, and the prospects for amelioration in view of present conflicting land use and water abstraction requirements.

Keywords

Environmental Management Population Growth Human Population Aquatic Ecosystem River System 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Kluwer Academic Publishers 1996

Authors and Affiliations

  • Shiel Russell J. 
    • 1
  1. 1.Murray-Darling Freshwater Research CentreAlburyAustralia

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