Dynamic Analysis of Ecological Deficit in Minqin Oasis

doi:10.13466/j.cnki.lyzygl.2018.06.011

Abstract

Abstract:

Based on the ecological footprint theory,the ecological footprint,ecological carrying capacity,ecological deficit and the ecological footprint of ten thousand yuan GDP of Minqin county in Gansu Province were calculated from 2007 to 2016,and the dynamic changes during 10 years of various indicators were analyzed.The results showed that:1) from 2007 to 2016,the ecological footprint per capita of Minqin was on an increasing trend,which increased by 0.621hm² in 10 years,while slowing down since 2015;2) there was a tendency of slow increase of ecological carrying capacity per capita;3) there was still a serious ecological deficit in Minqin,which increased by 28.35% over the decade.In view of the ecological situation of Minqin,it is suggested to continue to adjust the industrial structure and promote energy conservation and emission reduction to increase the efficiency of bio-productive land use.

Key words: ecological footprint, ecological carrying capacity, ecological deficit, sustainable development, oasis, Minqin

CLC Number:

LU Zeyang, ZHANG Yueying, ZHAO Yichen. Dynamic Analysis of Ecological Deficit in Minqin Oasis[J]. FOREST RESOURCES WANAGEMENT, 2018, (6): 64-67.

Figures/Tables 5

Tab.1

Fig.1

Tab.2

The ecological footprint per capita of biological resources and energy consumption in Minqin County from 2007 to 2016hm2

项目	生产土地类型	2007	2008	2009	2010	2011	2012	2013	2014	2015	2016
小麦	耕地	0.349	0.222	0.343	0.171	0.223	0.118	0.104	0.139	0.146	0.137
玉米	耕地	0.126	0.173	0.168	0.197	0.221	0.410	0.401	0.414	0.430	0.391
大麦	耕地	0.010	0.010	0.002	0.000	0.000	0.000	0.000	0.000	0.000	0.000
薯类	耕地	0.003	0.002	0.002	0.001	0.002	0.001	0.001	0.001	0.001	0.001
籽棉	耕地	0.223	0.640	0.425	0.153	0.238	0.240	0.189	0.142	0.104	0.015
油料	耕地	0.053	0.092	0.106	0.285	0.258	0.287	0.344	0.399	0.405	0.578
瓜籽	耕地	0.011	0.014	0.028	0.018	0.011	0.011	0.007	0.019	0.034	0.057
茴香	耕地	0.029	0.028	0.033	0.034	0.041	0.026	0.018	0.015	0.026	0.029
瓜类	耕地	0.044	0.063	0.055	0.059	0.078	0.083	0.108	0.098	0.104	0.153
蔬菜	耕地	0.070	0.097	0.146	0.204	0.295	0.231	0.237	0.212	0.243	0.270
猪肉	草地	0.090	0.096	0.098	0.102	0.127	0.133	0.140	0.148	0.140	0.135
牛羊禽肉	草地	0.620	0.436	0.450	0.518	0.672	0.702	0.612	0.677	0.879	0.775
蛋	草地	0.009	0.008	0.010	0.012	0.015	0.015	0.015	0.016	0.016	0.014
奶	草地	0.001	0.001	0.002	0.002	0.003	0.003	0.003	0.003	0.003	0.003
毛	草地	0.000	0.000	0.000	0.145	0.186	0.187	0.195	0.222	0.000	0.000
苹果	林地	0.004	0.001	0.002	0.001	0.001	0.002	0.002	0.002	0.001	0.002
梨	林地	0.003	0.002	0.001	0.001	0.001	0.001	0.001	0.001	0.000	0.001
葡萄	林地	0.015	0.010	0.016	0.018	0.019	0.037	0.043	0.050	0.052	0.067
红枣	林地	0.014	0.002	0.003	0.007	0.010	0.014	0.015	0.017	0.023	0.032
原煤	化石燃料土地	0.436	0.416	0.415	0.523	0.747	0.780	0.869	0.886	0.000	0.000
汽油	化石燃料土地	0.010	0.010	0.012	0.012	0.016	0.016	0.016	0.016	0.029	0.037
柴油	化石燃料土地	0.029	0.027	0.027	0.028	0.040	0.043	0.052	0.058	0.064	0.063
液化石油气	化石燃料土地	0.000	0.000	0.000	0.001	0.002	0.001	0.001	0.001	0.001	0.001
天然气	化石燃料土地	0.000	0.000	0.000	0.000	0.000	0.000	0.002	0.002	0.003	0.003
电力	建设用地	0.006	0.006	0.006	0.005	0.008	0.008	0.009	0.009	0.010	0.011
人均生态足迹		2.155	2.357	2.351	2.498	3.213	3.351	3.386	3.548	2.715	2.776

Tab.2

Fig.2

Fig.3

References 10

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生产土地类型	均衡因子	产量因子	化石能源账户类型	平均发热量/ (GJ/t)
耕地	2.8	1.66	原煤	20.934
林地	0.5	0.19	汽油	43.124
草地	1.1	0.91	柴油	42.075
化石燃料用地	1.1		液化石油气	50.200
建设用地	2.21	1.66	电力	0.0083

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