TY  - JOUR
AU  - Zhang, Difei 
PY  - 2010
TI  - Utilization and Modification of Point Sampling and Line Sampling in the Forestry Survey
JF  - Current Research in Biostatistics
VL  - 1
IS  - 1
DO  - 10.3844/amjbsp.2010.67.74
UR  - https://thescipub.com/abstract/amjbsp.2010.67.74
AB  - Problem statement: In the practice of conventional point sampling and line sampling
methods in the forestry survey, we often encounter problems such as boundary and hole problems.
These problems could introduce bias in the results of forest sampling. Proper modifications are needed.
Approach: This study developed novel probability computation approaches in the utilization and
modification of horizontal point sampling and line sampling in the forestry inventory. It reviewed
conventional point sampling and line sampling methods, identifies specific problems associated with
actual forest sampling and provides modification solutions using probability computations. Results: By
modifying the original point sampling and line sampling procedures, this study proposed novel
solutions to these problems and provides better sampling methods with reduced bias in the forestry
survey. Conclusion: In this study, only horizontal gauging for point sampling and line sampling was
discussed. For the corresponding problems encountered in vertical gauging, the solutions are similar to
the ones for the horizontal gauging sampling. These modifications had been presented with varying
levels of complexity. To maintain a balance between precision and costs, modifications with an
appropriate level of complexity may be selected.