Effects of different management regimes on aquatic fauna in Australian rice fields

Andrea Wilson

Research output: ThesisDoctoral Thesis

26 Downloads (Pure)

Abstract

Despite the existence of a large body of agricultural research literature, very few studies have been undertaken which specifically address the effects of agricultural manipulations upon biodiversity. In this study aquatic faunal communities were compared within Australian commercial rice fields cultivated under three different management regimes : conventional-aerial (agrochemicals applied, aerially sown), conventional-sod (agrochemicals applied, directly sown) and organic-sod (agrochemical-free, directly sown). These comparisons were undertaken using a combination of community assessment approaches including morphospecies richness, abundance and diversity, pollution sensitivity scores and community composition. Additionally, food web studies were undertaken using stable isotope analysis to investigate functional differences in trophic structure and food resource utilisation across management regimes.
Original languageEnglish
QualificationDoctor of Philosophy
Awarding Institution
  • Charles Sturt University
Supervisors/Advisors
  • Watts, Robyn, Co-Supervisor
  • Stevens, Mark, Co-Supervisor
Award date11 Mar 2003
Place of PublicationAustralia
Publisher
Publication statusPublished - 2003

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