摘要翻译:
近几十年来,全球油棕产量呈陡增趋势,仅东南亚地区就生产了近90%的油棕。对油棕的监测主要基于国家调查和盘存或一次性绘图研究。然而,它们没有提供详细的空间范围或及时更新和趋势的油棕扩张或年龄。棕榈油产量随种植年龄而显著变化,这对景观水平规划至关重要。在这里,我们利用遥感显示了2017年东南亚油棕种植园的范围和年龄。卫星显示总共有1166(+/-210)万公顷的种植园,其中45%以上位于苏门答腊岛。人工林年龄从加里曼丹的~7年到马来西亚岛的~13年不等。加里曼丹上一半以上的种植园是年轻的(<7年),尚未完全生产,相比之下,马来西亚岛上45%的种植园年龄超过15年,产量下降。这些结果首次提供了油棕种植范围和年龄结构的一致、独立和透明的记录,与国家统计数据相辅相成。
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英文标题:
《Satellite reveals age and extent of oil palm plantations in Southeast
Asia》
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作者:
Olha Danylo, Johannes Pirker, Guido Lemoine, Guido Ceccherini, Linda
See, Ian McCallum, Hadi, Florian Kraxner, Fr\'ed\'eric Achard, Steffen Fritz
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最新提交年份:
2020
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分类信息:
一级分类:Economics 经济学
二级分类:General Economics 一般经济学
分类描述:General methodological, applied, and empirical contributions to economics.
对经济学的一般方法、应用和经验贡献。
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一级分类:Quantitative Finance 数量金融学
二级分类:Economics 经济学
分类描述:q-fin.EC is an alias for econ.GN. Economics, including micro and macro economics, international economics, theory of the firm, labor economics, and other economic topics outside finance
q-fin.ec是econ.gn的别名。经济学,包括微观和宏观经济学、国际经济学、企业理论、劳动经济学和其他金融以外的经济专题
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英文摘要:
In recent decades, global oil palm production has shown an abrupt increase, with almost 90% produced in Southeast Asia alone. Monitoring oil palm is largely based on national surveys and inventories or one-off mapping studies. However, they do not provide detailed spatial extent or timely updates and trends in oil palm expansion or age. Palm oil yields vary significantly with plantation age, which is critical for landscape-level planning. Here we show the extent and age of oil palm plantations for the year 2017 across Southeast Asia using remote sensing. Satellites reveal a total of 11.66 (+/- 2.10) million hectares (Mha) of plantations with more than 45% located in Sumatra. Plantation age varies from ~7 years in Kalimantan to ~13 in Insular Malaysia. More than half the plantations on Kalimantan are young (<7 years) and not yet in full production compared to Insular Malaysia where 45% of plantations are older than 15 years, with declining yields. For the first time, these results provide a consistent, independent, and transparent record of oil palm plantation extent and age structure, which are complementary to national statistics.
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PDF链接:
https://arxiv.org/pdf/2002.07163


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