@article {PIE440, title = {Rules to write mathematics to clarify metrics such as the land use dynamic degrees}, journal = {Landscape Ecology}, volume = {32}, number = {12}, year = {2017}, note = {PI}, pages = {2249-2260}, keywords = {annual change percentage, China, CLUDD, disturbance, intensity analysis, land change, LTER-PIE, mathematical notation}, doi = {10.1007/s10980-017-0584-x}, author = {Pontius, R.G., Jr. and Huang, J. and Jiang, W. and Khallaghi, S. and Lin, Y. and Liu, J. and Quan, B. and Ye, S.} }