## 3 Results
### Ecological Function Monitoring Zoning of the GGP
\begin{table}
\begin{tabular}{c c c c} \hline \hline
**Code** & **1. Name** & **Code** & **2. Name** \\ \hline A & Northeast China & F & Southwest alpine canyon area \\ \hline B & East central and south China & G & Forest steppe and grassland area in eastern Inner Mongolia \\ \hline C & South China & H & Semi-desert area in Meng-Xin desert \\ \hline D & Yunnan–Guizhou Plateau area & I & Grassland meadow and cold desert area in Qinghai–Tibet Plateau \\ \hline E & South China area & & \\ \hline I & Cold temperate zone & VI & South subtropical zone \\ \hline II & Middle temperate zone & VII & Marginal tropical zone \\ \hline III & Warm temperate zone & VIII & Middle tropical zone \\ \hline IV & North subtropical zone & IX & Plateau subtropical zone \\ \hline V & Middle subtropical zone & X & Plateau temperate zone \\ \hline a & Humid zone & c & Semi-arid zone \\ \hline b & Semi-humid zone & d & Arid zone \\ \hline \multirow{2}{*}{1} & Forest ecological conservation area of Xing’an & \multirow{2}{*}{20} & Nanjing mountain forest and biodiversity \\  & Mountains in northeast forest belt & & \\ \hline \multirow{2}{*}{2} & Changbai Mountain forest ecological & \multirow{2}{*}{21} & Ecologically fragile area of hilly and \\  & conservation area in northeast forest belt & & mountainous red soil in south China \\ \hline \multirow{2}{*}{3} & Protection and restoration area of important & \multirow{2}{*}{22} & Forest and biodiversity reserve of Wuyi \\  & wetlands in Sanjiang Plain and Songnen Plain of & & Mountain in southern hilly mountain belt \\ \hline \multirow{2}{*}{4} & Agriculture and pasture interlaced eco-fragile & \multirow{2}{*}{23} & Typical coastal wetland ecosystem protection \\  & region in north China & & and restoration area of Beibu gulf in the \\  & & region in north China & coastal zone \\ \hline \multirow{2}{*}{5} & Ecological protection and restoration area of & \multirow{2}{*}{24} & Hainan island tropical ecosystem protection and \\  & Beijing-Tianjin-Hebei coordinated development & & restoration area in the coastal belt \\  & in northern sand-prevention belt & & \\ \hline \multirow{2}{*}{6} & Comprehensive control area of soil and water & \multirow{2}{*}{25} & Ecological protection and restoration area of \\  & loss of Huangtu Plateau in key ecological area of & \multirow{2}{*}{25} & Southeast Tibetan Plateau in Qinghai–Tibet \\  & Yellow River & & Plateau ecological barrier area \\ \hline \multirow{2}{*}{7} & Integrated ecological remediation and & \multirow{2}{*}{26} & Water conservation and biodiversity \\  & restoration area of Yellow Sea and Bohai Sea in & & conservation area in Hengduan mountain area of \\  & coastal zone & & a key eco-region of the Yangtze River \\ \hline \multirow{2}{*}{8} & Ecological protection and restoration area of & \multirow{2}{*}{27} & Ruoergai-Gannan grassland wetland ecological \\  & lower Yellow River in key ecological areas of & & protection and restoration area in Qinghai–Tibet \\  & Yellow River & & plateau ecological barrier area \\ \hline \multirow{2}{*}{9} & Ecologically fragile areas in coastal water–land & \multirow{2}{*}{28} & Ecological protection and restoration area of \\  & transition zone & & Inner Mongolia Plateau in northern \\  & & & sand-prevention belt \\ \hline \multirow{2}{*}{10} & Ecological protection and restoration area of & \multirow{2}{*}{29} & Ecological protection and restoration area of \\  & Qinling Mountain in key ecological area of & & Helan Mountain in key ecological area of \\  & Yellow River & & Yellow River \\ \hline \multirow{2}{*}{11\({}^{*}\)} & Ecological restoration area of water source in & \multirow{2}{*}{30} & Forest and grassland reserves of Tianshan and \\  & South-to-North Water Diversion Project & & Altai Mountain in northern sand-prevention belt \\ \hline \multirow{2}{*}{12} & biodiversity conservation and ecological & \multirow{2}{*}{31} & Ecological protection and restoration area of \\  & restoration Area of the Daba Mountains in key & & Hexi Corridor in key ecological area of \\  & eco-region of the Yangtze River & & Yellow River \\ \hline \hline \end{tabular}
\end{table}