Remotely sensed data controlled forest inventory concept.
作者： Adelheid Wallner , Alata Elatawneh , Thomas Schneider , Mengistie Kindu , Britta Ossig
DOI: 10.1080/22797254.2017.1403295
关键词: Simple random sample 、 Systematic sampling 、 Sampling design 、 Statistics 、 Sampling (statistics) 、 Forest management 、 Environmental science 、 Sample (statistics) 、 Forest inventory 、 Stratified sampling
摘要: Nowadays, the image of forest in Germany is changing from monoculture areas to very mixed forests, where individual stands are no longer clearly visible. The objective this study was examine use remotely sensed data at enterprise level for pre-stratification and sample plot allocation planning stage inventories a heterogeneous forest. On basis RapidEye satellite object-based analysis, stratified segment-based non-permanent sampling design developed evaluated against results permanent systematic design. relative efficiency (RE) calculated based on variance estimators simple random variable timber volume [m3/ha]. By stratification designs, we achieved an RE 1.25 1.34 with Based targeted standard error 4.6%, designs were compared respect th...
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