巴西橄种植的农业气候测绘:精确确定最佳种植地区
Lucas Eduardo de Oliveira Aparecido1, Guilherme Botega Torsoni2, Rafael Fausto de Lima3
1Federal Institute of Sul de Minas Gerais, Muzambinho, Brazil.
Journal of the science of food and agriculture
|December 13, 2023
概括
巴西的橄种植有限,由于高温和降雨量低,仅有1.92%的土地适合种植. 该国大部分地区不适合橄种植,这给农业多样化带来了挑战.
科学领域:
- 农业科学 农业科学
- 气候学 气候学 气候学
- 农业学是一种农业学.
背景情况:
- 橄 (Olea europaea L.) 的种植需要特殊的农业气候条件,包括温和的冬季和足够的水.
- 巴西具有农业多样化的潜力,但对橄种植的适用性需要详细评估.
研究的目的:
- 为了确定巴西 (不包括里约格兰德杜苏尔州) 适合橄种植的农业气候区域.
- 分析影响橄种植可行性的气候和地形因素.
主要方法:
- 利用NASA-POWER (1989-2023) 的每日气象数据进行空气温度和降雨量分析.
- 应用地理信息系统 (GIS) 软件和Python 3.8用于数据分析和区划.
- 基于平均冬季 (T_w),春季 (T_s),夏季 (T_su) 和秋季 (T_a) 温度,年降水量 (Prec) 和海拔高度的定义适用性标准.
主要成果:
- 只有1.92%的分析面积,主要在米纳斯吉拉斯州,符合橄种植的标准.
- 高温和降雨量低使巴西59.56%的土地不适合橄种植.
- 另外,东北地区的18.58%的人面临极端冬季温度 (T_w) 和水资源短缺的挑战.
结论:
- 橄种植在巴西受到极大的限制,只有有限的适合地区被确定.
- 目前巴西大部分地区,特别是北部和中西部的气候条件不利于橄生产.
- 通过橄种植来实现农业多样化,需要仔细考虑微气候和特定的区域条件.
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