William Ballesteros Possú, J. Brandle, Héctor Ramiro Ordóñez
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引用次数: 0
摘要
在美国,农业是在单一栽培的大型农场上进行的,这影响了生态系统,并对气候变化做出了巨大贡献。利用美国森林清查与分析数据库和异速生长方程,分析了北湖州(NLS)、玉米带(CB)、南部平原(SP)、三角洲州(DS)、阿帕拉契亚(AP)、北落基山脉(RMN)、南落基山脉(RMS)、东北(NE)和北部平原(NP) 9个地区12种1行、2行和3行混合树种的农田防风林和9种3行至10行混合树种的农田防风林的碳储量潜力。不同区域田间防风林设计的碳储量潜力从东北地区单排小针叶林的0.3 Mg C km-1年-1到阿巴拉契亚地区三排高落叶防风林的5.8 Mg C km-1年-1不等。农田防风林的碳储量潜力从落基山脉北部3排混合树种防风林的0.8 Mg C 300 m-1年-1到三角洲地区10排混合树种防风林的12.7 Mg C 300 m-1年-1不等。
Carbon storage potential of windbreaks in the United States
In the United States of America, agriculture is performed on large farms of monocultures, affecting ecosystems and making a great contribution to climate change. The carbon storage potential for twelve field windbreak designs containing one-, two- and three-rows and nine farmstead windbreaks encompassing three- to ten-rows of mixed tree species were analyzed in nine regions: Northern Lake States (NLS), Corn Belt (CB), Southern Plains (SP), Delta States (DS), Appalachia (AP), Rocky Mountains North (RMN), Rocky Mountains South (RMS), North East (NE), y Northern Plains (NP), using the US Forest Inventory and Analysis database and allometric equations. Carbon storage potentials for different field windbreak designs across regions ranged from 0.3 Mg C km-1 yr-1 for a single-row small-conifer windbreak in the Northeast region to 5.8 Mg C km-1 yr-1 for a three-row tall-deciduous windbreak in the Appalachia region. Carbon storage potentials for farmstead windbreaks ranged from 0.8 Mg C 300 m-1 yr-1 for a three-row of mixed tree species windbreak in the Rocky Mountain North to 12.7 Mg C 300-1 yr-1 for a ten-row of mixed tree species windbreak in Delta States region.