3D conservation planning: including aquifer protection in freshwater plans refines priorities without much additional effort

Simon Linke, Eren Turak, Maria Gulbrandsen Asmyhr, Grant Hose

Research output: Contribution to journalArticleResearchpeer-review

Abstract

Groundwater has very rarely been included in modern systematic conservation planning methods that identify key areas for protection of aquatic organisms. Three conservation plans were developed for aquatic ecosystems in the Hunter Valley, NSW, Australia using the planning software Marxan: one model for rivers and wetlands and two that consider groundwater ecosystems. The first of these groundwater inclusive models included aquifers in the initial planning process; the second retrofitted groundwater onto an existing conservation plan. The results demonstrate that, if groundwater protection was included at the planning stage, the overall land that was needed only increased marginally. When included, groundwater protection led to an emphasis on groundwater recharge zones. A posteriori inclusion of GW protections, however, yielded a 30% increase in surface area needing protection. We conclude that groundwater can be included in conservation planning but it is much more efficient to do so at the beginning of the planning process. The next step is to refine the planning methods by including data on groundwater-dependent organisms, either by genetic means or novel statistical techniques, and hence using a direct biotic signal instead of environmental surrogates.

LanguageEnglish
Pages1063-1072
Number of pages10
JournalAquatic Conservation: Marine and Freshwater Ecosystems
Volume29
Issue number7
Early online date14 Jun 2019
DOIs
Publication statusPublished - Jul 2019

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conservation planning
aquifers
groundwater
planning
aquifer
planning method
planning process
groundwater recharge
aquatic organisms
aquatic organism
hydrologic models
plan
aquatic ecosystem
recharge
surface area
wetlands
valleys
methodology
wetland
software

Keywords

  • connectivity
  • groundwater
  • Marxan
  • systematic conservation planning
  • wetlands

Cite this

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title = "3D conservation planning: including aquifer protection in freshwater plans refines priorities without much additional effort",
abstract = "Groundwater has very rarely been included in modern systematic conservation planning methods that identify key areas for protection of aquatic organisms. Three conservation plans were developed for aquatic ecosystems in the Hunter Valley, NSW, Australia using the planning software Marxan: one model for rivers and wetlands and two that consider groundwater ecosystems. The first of these groundwater inclusive models included aquifers in the initial planning process; the second retrofitted groundwater onto an existing conservation plan. The results demonstrate that, if groundwater protection was included at the planning stage, the overall land that was needed only increased marginally. When included, groundwater protection led to an emphasis on groundwater recharge zones. A posteriori inclusion of GW protections, however, yielded a 30{\%} increase in surface area needing protection. We conclude that groundwater can be included in conservation planning but it is much more efficient to do so at the beginning of the planning process. The next step is to refine the planning methods by including data on groundwater-dependent organisms, either by genetic means or novel statistical techniques, and hence using a direct biotic signal instead of environmental surrogates.",
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3D conservation planning : including aquifer protection in freshwater plans refines priorities without much additional effort. / Linke, Simon; Turak, Eren; Asmyhr, Maria Gulbrandsen; Hose, Grant.

In: Aquatic Conservation: Marine and Freshwater Ecosystems, Vol. 29, No. 7, 07.2019, p. 1063-1072.

Research output: Contribution to journalArticleResearchpeer-review

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