The need for more quantitative analyses was noted, taking into account possible limiting factors such as water resources and the interaction with agriculture for food cultivation in terms of arable land availability.
55. 会议指出了做更多定量分析的必要，同时须考虑到各种可能的限制性因素，例如水源和就可支配的可耕地而言与粮食种植的相互关系。