农户杉木经营的固碳能力影响因素及碳供给决策措施

doi:10.11707/j.1001-7488.20140918

摘要/Abstract

摘要：

基于完整造林周期,在不考虑碳泄露的裸地造林基础上,运用C-D生产函数对杉木固碳的影响因素进行分析,并讨论农户碳供给决策措施。研究表明: 在造林期增加一定量的化肥投入,在抚育期增加间伐用工,在全过程中增加额外用工投入与杉木固碳能力存在正相关。农户家庭特征对杉木固碳能力影响不显著,地块特征和区域差异对杉木的固碳能力有不同程度的影响。同时,建立农户在碳汇收益下的决策最优化模型,农户杉木经营过程中需要考虑劳动力工资、生产资料价格、砍伐期木材价格以及碳价格,为今后农户碳汇经营提供决策工具支持。

关键词: 杉木, C-D生产函数, 固碳能力, 森林碳汇, 决策方程

Abstract:

An increase in forest carbon sinks is widely accepted as an important measure for reducing climate change. Based on the complete cycle of reforestation, and assuming without afforestation leakage of carbon sinks on bare land, this paper analyzed the factors of Chinese firs’ carbon sequestration by using the C-D production function and discussed households’ decision-making measures of carbon supply. This study shows that the increase in the amount of fertilizer at afforestation period, the increase in intermediate cutting labor at tending period, and the increase in employment of additional labor input in the whole process are positively related with Chinese fir carbon sequestration capacity. The characteristics of household have no significant impact on carbon sequestration capacity, while the characteristics of plots and regional differences have impact on Chinese fir carbon sequestration capacity to different degrees. Meanwhile, a decision-making optimizing model was established in this paper under the circumstance of carbon sink's benefits by households. Households need to consider the wages of labor and price of production materials, and also to take the price of wood and carbon into account in management of Chinese Fir. The model provides a decision-making support tool for households to manage carbon sink in the future.

Key words: Chinese fir, C-D production function, carbon sequestration capacity, decision-making function

中图分类号:

S718.554

宁可, 沈月琴, 朱臻, 黄敏, 王成军. 农户杉木经营的固碳能力影响因素及碳供给决策措施[J]. 林业科学, 2014, 50(9): 129-137.

Ning Ke, Shen Yueqin, Zhu Zhen, Huang Min, Wang Chengjun. Factors of Carbon Sequestration’s Capacity of Chinese Fir by Households and Decision-Making Measures of Carbon Supply[J]. Scientia Silvae Sinicae, 2014, 50(9): 129-137.

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