Development of a national methane emission inventory for domestic livestock in Saudi Arabia
Development of a national methane emission inventory for domestic livestock in Saudi Arabia
复制标题
DOI：
10.1016/j.anifeedsci.2011.04.044
复制
发表时间：
2011-06-23
影响因子：
3.2
通讯作者：
Abdukader, A. M.
中科院分区：
文献类型：
--
作者：
Aljaloud, A. A.;Yan, T.;Abdukader, A. M.
目标是为沙特阿拉伯的家畜制定国家 CH4 排放清单，并确定可能的缓解措施以减少这些排放。该清单的制定使用了 2003 年至 2007 年沙特阿拉伯农场调查和国家统计记录的数据，以及政府间气候变化专门委员会提出的肠道发酵和粪便管理的一级和二级排放因子。采用一级默认因子编制的全国甲烷排放清单从2003年的87,069吨增加到2007年的100,971吨，二氧化碳当量分别为2,176,735吨和2,524,287吨。各省对库存的贡献差异很大，2007 年不包括马匹数据时，从 0.1%（北部）到 40.6%（利雅得）不等。在动物种类中，奶牛和绵羊是最大的 CH4 生产者（分别为 37.7% 和 35.5%），其次是骆驼（13.4%）、山羊（11.4%）、鸡（1.6%）和马（0.4%）。全国甲烷排放量中，肠道发酵产生的甲烷排放量为 0.87，粪便储存产生的甲烷排放量为 0.13。针对奶牛和羊制定了方法 2 CH4 排放因子，将每个物种分为两组（即专业高遗传价值和传统低遗传价值），每组牛和羊根据其生理状态进一步分为亚组。这些肠道发酵和粪便管理因子均不同于方法 1 默认因子，使用方法 2 而非方法 1 因子估算时，导致牛羊 CH4 排放清单减少 2088 吨（CO2 当量 52,200 吨）。与其他国家相比，沙特阿拉伯国家家畜CH4排放清单中单位土地面积或人口CH4排放量相对较小。这些结果可与其他农业部门的数据一起用于制定沙特阿拉伯整个农业部门的国家温室气体清单。本文是题为“动物农业中的温室气体寻找食品与排放之间的平衡”特刊的一部分。客座编辑：T.A.麦卡利斯特，部分客座编辑：K.A. Beauchemin、X.hao、S.McGinn 和《动物饲料科学与技术》编辑，P.H.罗宾逊。 (C) 2011 年由 Elsevier B.V. 出版
The objectives were to develop a national CH4 emission inventory for domestic livestock in Saudi Arabia and to identify possible mitigation to reduce these emissions. The inventory was developed using data derived from farm surveys and national statistical records in Saudi Arabia from 2003 to 2007, as well as Tier 1 and 2 emission factors for enteric fermentation and manure management as proposed by the Intergovernmental Panel on Climate Change. The national CH4 emission inventory, developed using Tier 1 default factors, increased from 87,069 t in 2003 to 100,971 t in 2007, with a CO2 equivalent of 2,176,735 and 2,524,287 t, respectively. The contribution to the inventory varied considerably among provinces, ranging from 0.1% (Northern) to 40.6% (Riyadh) in 2007 when horse data were not included. Among animal species, dairy cattle and sheep were the biggest CH4 producers (37.7% and 35.5%, respectively), followed by camels (13.4%), goats (11.4%), chickens (1.6%) and horses (0.4%). National CH4 emissions consisted of 0.87 from enteric fermentation and 0.13 from manure storage. Tier 2 CH4 emission factors were developed for dairy cattle and sheep, with each species divided into two groups (i.e., specialised high genetic merit and traditional low genetic merit), and each group of cattle and sheep were further divided into subgroups according to their physiological states. These factors for enteric fermentation and manure management were all different from Tier 1 default factors, and resulted in a decrease of 2088 t in CH4 emission inventories (CO2 equivalent of 52,200 t) from cattle and sheep when estimated using Tier 2, rather than Tier 1, factors. In comparison with other countries, the national CH4 emission inventory from domestic animals in Saudi Arabia is relatively small in terms of CH4 emissions per unit of land area or human population. These results can be used, with data from other agricultural sectors, to develop a national greenhouse gas inventory for the entire agricultural sector of Saudi Arabia.This paper is part of the special issue entitled: Greenhouse Gases in Animal Agriculture Finding a Balance between Food and Emissions. Guest Edited by T.A. McAllister, Section Guest Editors: K.A. Beauchemin, X. Hao, S. McGinn and Editor for Animal Feed Science and Technology, P.H. Robinson. (C) 2011 Published by Elsevier B.V.