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What data do you need?

Author: Mats/Robin,
co-authors Martin G & Göran

A. Data for making your model/modelling macrovegetation abundance

Aa. Biological sampling
for making the model for macrovegetation abundance; the responsevariables

Issues to discuss:
• Sampling methods
• Sampling design, including spatial and temporal sampling
• Sample size
• Grain and extent (resolution)
• Costs

Ab. Sampling environmental variables for making the model (predictors)

Issues to discuss:
• Relevant predictors for modelling macrovegetation abundance?
• Describe relevant predicors
• Describe/discuss efficiency for relevant predictors
• Sampling methods for relevant predictors
• Quality reqquirements for relevant predictors


B. Data for making the map (= predictordata) using the model
We have not been doing so many maps....

Discuss issues, such as:
• Complete cover of predictor layers
• Differences in resolution of predictor data for modelling and for mapping?
• Extrapolation outside the range of modelling data


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