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贵州省畜禽养殖户养殖污染治理方式的影响因素研究——基于源头—过程—末端视角

Study on influencing factors of pollution control mode of livestock and poultry farmers in Guizhou Province——Based on source—process—end perspective

  • 摘要: 为了明确贵州省畜禽养殖户养殖污染治理方式的影响因素,研究利用贵州省1 028个畜禽养殖户问卷调查数据,分别选择二元Logistic、无序多元Logistic模型,从源头—过程—末端视角对养殖户养殖污染治理方式的影响因素进行实证分析。结果表明:净化处理、丢弃、堆肥与还田分别是养殖户养殖源头、过程、末端环节主要的治理方式,其中源头治理方式不彻底,过程治理方式相对落后,末端资源化利用程度较高。影响各环节采用治理方式的因素存在差异,其中文化程度、身份属性、饲养规模、有无排污规章制度对养殖源头采用的治理方式在1%和5%水平上存在显著的正向影响,养殖种类、养殖污染治理培训分别在5%和1%水平上存在显著的负向影响。身份属性、养殖规模、养殖污染治理培训、有无排污规章制度对养殖过程采用的治理方式在1%和5%水平上存在显著的正向影响,文化程度在5%水平上存在显著的负向影响。在养殖末端环节,性别和文化程度对养殖末端采用堆肥治理方式在10%水平上存在显著的正向影响,养殖污染治理培训和有无排污制度均在1%水平上存在显著的负向影响;性别和有无排污规章制度分别在10%和5%水平上对养殖末端采用直接排放治理方式存在显著的正向影响,身份属性和养殖场距水源距离在10%和5%水平上存在显著的负向影响;养殖污染治理培训对养殖末端采用还田治理方式在1%水平上存在显著的正向影响,饲养规模在10%水平上存在显著的负向影响;身份属性对养殖末端采用制沼气治理方式在5%水平上存在显著的正向影响,有无排污规章制度在5%水平上存在显著的负向影响;养殖收入占比对养殖末端采用丢弃治理方式在10%水平上存在显著的正向影响。在此基础上提出注重提升养殖户的污染认知水平、强化立法与监管、适当增加污染治理补贴等对策建议。

     

    Abstract: In order to clarify the influencing factors of livestock and poultry farmers’ pollution control methods in Guizhou Province, based on the questionnaire data of 1 028 livestock and poultry farmers in Guizhou Province, this study selected binary Logistic model and disordered multivariate Logistic model respectively to conduct an empirical analysis on the influencing factors of farmers’ breeding pollution control methods from the perspective of source—process—end. The results showed that discharge treatment after purification, discarding, composting and returning to the field were the main treatment methods of source, process, end links of farmer breeding. Among them, the source governance method was not complete; the process governance method was relatively backward, and the degree of resource utilization at the end was relatively high. There were differences in the factors of the adoption of treatment methods in each link, among which education level, identity attribute, breeding scale, and existence of pollution discharge regulations had significant positive impact on the adoption of treatment methods of the breeding source at the levels of 1% and 5%. Breeding types and the training of pollution control had significant negative impact at the levels of 5% and 1% respectively. Identity attribute, breeding scale, the training of breeding pollution control, and existence of pollution discharge regulations had significant positive impact on the adoption of treatment methods of the breeding process at the levels of 1% and 5%. Education level had significant negative impact at the level of 5%. At the breeding end link, gender and education level had significant positive impact on the adoption of composting treatment method of the breeding end at the level of 10%. Training of breeding pollution control and existence of pollution discharge regulations had significant negative impact at the level of 1%. Gender and existence of pollution discharge regulations had significant positive impact on the adoption of direct discharge treatment method of the breeding end at the levels of 10% and 5% respectively. Identity attribute and the distance of farms from water sources had significant negative impact at the levels of 10% and 5%. Training of breeding pollution control had significant positive impact on the adoption of land reclamation treatment method of the breeding end at the level of 1%. Breeding scale had significant negative impact at the level of 10%. Identity attribute had significant positive impact on the adoption of biogas treatment method of the breeding end at the level of 5%. Existence of pollution discharge regulations had significant negative impact at the level of 5%. The proportion of farming income had significant positive effect on the adoption of discard treatment method of the breeding end at the level of 10%. On this basis, the countermeasures and suggestions were put forward, such as improving farmers’ awareness of pollution, strengthening legislation and supervision, and appropriately increasing pollution control subsidies.

     

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