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在不同的气候类型下,量化原生和非原生森林的碳储存和封存
Adrián Lázaro-Lobo1,2,3, Paloma Ruiz-Benito1,4, Verónica Cruz-Alonso5
1Departamento de Ciencias de la Vida, Universidad de Alcalá, Alcalá de Henares, Spain.
Global change biology
|June 8, 2023
概括
非原生森林总体上储存更多的碳,但它们比原生森林的碳捕获优势在更干燥的气候下减少. 森林的来源和类型显著影响碳的储存和吸收.
科学领域:
- 森林生态 森林生态
- 气候变化生物学 气候变化生物学
- 生物地质化学生物地质化学
背景情况:
- 非原生树木可以改变森林的碳吸收能力,但大规模的模式尚不清楚.
- 对原生森林与非原生森林碳动态的准确数据对于森林管理决策至关重要.
研究的目的:
- 量化和比较不同气候的原生和非原生森林中的碳储存和封存.
- 确定森林来源,类型和环境因素对森林碳动态的影响.
主要方法:
- 分析了西班牙森林库存中的17,065个地块,长达30年的时间.
- 碳储存和封存的量化,控制森林结构,气候,土壤,地形和管理.
- 在潮湿和干燥的气候条件下比较原生和非原生森林.
主要成果:
- 森林起源对碳储存和封存产生重大影响,其影响因气候而异.
- 非原生森林在潮湿和干燥的气候中都显示出更大的碳储存.
- 非原生森林在潮湿的气候中有较高的封存率,而原生森林在干燥的气候中显示出更大的收益和更低的损失.
- 森林类型和来源 (天然与种植) 是关键决定因素; 树和Quercus spp. 显示高碳储存,而Pinus spp. 显示的储存量很低.
结论:
- 原生森林与非原生森林的相对碳吸收和储存能力取决于气候.
- 非原生森林在碳封存方面的优势随着气候压力的增加而减少 (例如,水的可用性,季节性).
- 森林管理策略应考虑物种起源,森林类型和当地气候条件,以优化碳捕获.
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