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Digital Soil Mapping

- Dahlhaus, Peter, MacLeod, Andrew, Robinson, Nathan

  • Authors: Dahlhaus, Peter , MacLeod, Andrew , Robinson, Nathan
  • Type: Text , Dataset
  • Full Text: false
  • Description: DSM is a collaborative workspace for researchers working on digital soil mapping in Australia. This workspace is the initiative of the Advisory Group on Digital Soil Assessment, a working group of the National Committee on Soil & Terrain. The website is part of an interoperable web-GIS maintained by the Centre for eResearch and Digital Innovation (CeRDI) at Federation University Australia (FedUni). The International Union of Soil Sciences Digital Soil Mapping Working Group defines DSM as "creation and the population of a geographically referenced soil database, generated at a given resolution by using field and laboratory observation methods coupled with environmental data through quantitative relationships." Digital Soil Mapping (DSM) utilises numerical methods and information technologies to produce predictive maps of soil types and their properties. DSM relies on traditional field mapping, observations and laboratory analyses for soil data but also utilises spatial models of landscape terrain and remotely-sensed properties. Typically numerical methods such as interpolation algorithms and data mining are used to create the maps. OzDSM in collaboration with CeRDI is developing a digital soil mapping tool, and a demonstrator version is displayed on the site. A range of data is included, such as nutrient budgets and soil pH, and with extra data available for the Corangamite Catchment Management Authority region including landslides, erosion and salinity.

Corangamite Soil Health Knowledge Base

- Thompson, Helen, Dahlhaus, Peter, MacLeod, Andrew, McKenna, Kirsten

  • Authors: Thompson, Helen , Dahlhaus, Peter , MacLeod, Andrew , McKenna, Kirsten
  • Type: Text , Dataset
  • Full Text: false
  • Description: The Corangamite Corangamite soil health knowledge base is part of an interoperable web-GIS maintained by Federation University Australia. The Corangamite soil health knowledge base is a collaborative research project between the Corangamite Catchment Management Authority (CMA) and the Centre for eResearch and Digital Innovation (CeRDI) at Federation University Australia (FedUni). The aim of the research is to develop a comprehensive, informative, intuitive-to-use knowledge base of soil health information that will assist the broader community to respect the values of the soils of the Corangamite region. The project was initiated in June 2013. The research is overseen by the Corangamite CMA Land Health Program Steering Committee. The role of the committee in the project is to advise on the function, use and relevance of the data and information sources in the knowledge base, which is an online repository of soil health information and knowledge: including reports, research papers, maps and descriptions related to current and past soil series mapping, land capability and suitability assessments, agricultural trials, and soil research and investigations. Soil health studies in the Corangamite region date from 1936. The most recent document to revisit soil health issues in the Corangamite region is Soils Vision: A 20-year plan to improve broad-acre agricultural soils in south west Victoria, known as the 'south west agricultural soils plan' (SWASP). This community-led initiative brought together a collaboration of farming groups, agricultural industries, government agencies and research institutions to identify the activities required to improve the condition of soils used for agriculture in South West Victoria. The goal of this project is to provide the essential background knowledge required to implement the appropriate SWASP soil health actions customised for each of the 15 Local Catchment Plans in the Corangamite region. Project aim and research questions The overall aim this project is to develop a comprehensive, informative, intuitive-to-use knowledge base of soil health information that will assist the broader community implement the SWASP within the LCPs of the Corangamite region. To achieve this, the following key questions emerge: What information exists and how relevant is it to the current soil health issues? How reliable is the information and to which landscapes does it apply? How can the relevant soil health information be best maintained and disseminated?
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