8.1 workflow的基本流程

## 引用自：https://github.com/shandongfx
(A) Obtaining and processing occurrence data    
         (A1) source of occurrence data
        (A2) download date; version of data source
        (A3) basis of records
        (A4) spatial extent
        (A5) temporal range
    processing    
        (A6-1) duplicate coordinates
        (A6-2) spatial/environmental outlier; error
        (A6-3) spatial/coordinate uncertainty
        (A7-1) sampling bias
        (A7-2) spatial autocorrelation
(B) Obtaining and processing environmental data    metadata & processing    
        (B1) source
        (B2) download date; version of data source
        (B3) spatial resolution
        (B4) temporal range
(C) Model calibration    
    data input    
        (C1) modeling domain
        (C2) number of background data
        (C3) sampling method for background data
        (C4) variable selection
    algorithm    
        (C5) name
        (C6) version of algorithm and software
        (C7) parameterization
(D) Model transfer and evaluation    
    evaluation    
        (D1) evaluation index
        (D2) threshold for evaluation index
        (D3) dataset used to evaluate models
    output    
        (D4) format/transformation
        (D5) threshold
    extrapolation    
        (D6) novelty of projected environments compared with training environments
        (D7) collinearity shift between training and projected environments
        (D8) extrapolation strategy
    metadata    
        (D9) source
        (D10) download date; version of data source
        (D11) spatial resolution
        (D12) temporal range