基于改进L-V模型的多货种多港口竞合关系  

Competition and cooperation relationship of multi-category ports based on L-V model

作　　者：陈丽玲 雷智鹢[1] 朱逸凡 马陵 蒋柳鹏[1] CHEN Li-ling;LEI Zhi-yi;ZHU Yi-fan;Ma Ling;JIANG Liu-peng(College of Harbour Coastal and Offshore Engineering,Hohai University,Nanjing 210098,China;Nanjing Hydraulic Research Institute,Nanjing 210098,China)

机构地区：[1]河海大学港口海岸与近海工程学院,江苏南京210098 [2]南京水利科学研究院,江苏南京210098

出　　处：《长沙理工大学学报（自然科学版）》2018年第3期40-47,共8页Journal of Changsha University of Science and Technology:Natural Science

基　　金：国家自然科学基金资助项目(51409088)

摘　　要：针对多港口多货种竞争的情形,借鉴自然界生态种群竞争合作关系,对Lotka-Volterra模型进行了改进,提出了适合分析多港口多货种的Lotka-Volterra模型。该模型基于多港口多货种的吞吐量、年平均增长率、潜在吞吐量增长空间以及其他港口同货类吞吐量影响,通过构建竞争系数矩阵来判断不同港口之间的竞争合作模式。用该模型分析了福建4个港口不同货种的竞争合作形式,结果显示,该模型能够反映多个港口多类货种竞争与协作的相互影响机制。The Lotka-Volterra model for the multi-goods of the multi-ports is proposed and improved based on the two species Lotka Volterra model and the competition of kinds of ec ological populations in nature. Based on the analysis of the current throughput, annual aver age growth rate, potential throughput growth space, and the impacts of other port cargo throughput, the model establishes a competition coefficient matrix to determine the compet- itive cooperation model between different ports. The model was used to analyze the competi tion and cooperation relationship of different cargo types in four ports of Fujian. The results show that the model can reflect the mutual influence mechanism of competition and collabo- ration of multiple types of cargo in multiple ports.

关 键 词：LotkaVolterra模型 多港口 多货种 吞吐量 竞合 

分 类 号：F55[经济管理—产业经济]