The Impact of the COVID-19 Lockdown on Urban Street Litter in South Africa
The Impact of the COVID-19 Lockdown on Urban Street Litter in South Africa
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DOI：
10.1007/s40710-020-00472-1
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发表时间：
2020-10-06
期刊：
影响因子：
--
通讯作者：
Weideman EA
中科院分区：
文献类型：
--
作者：
Ryan PG;Maclean K;Weideman EA
为减缓新冠肺炎疫情的传播而实施的封锁，为评估对人类活动的限制如何影响街头垃圾提供了一个独特的机会。我们记录了南非两个城市从最严格的封锁时期起，通过连续两次放松监管，在50天内每天的垃圾到达率。严格的限制措施对垃圾构成没有明显影响，主要是方便食品和饮料(数量占29%，质量占34%)和烟草产品(数量占33%，质量占3%)。在封锁期间禁止销售烟草产品并没有大幅减少烟头和相关包装的数量。车辆部件占垃圾物品的1%(按质量计为2%)，而收集前或收集过程中从垃圾箱溢出的家庭垃圾占垃圾物品的3%(按质量计占14%)。在严格的封锁期间，街道垃圾负荷大约减少了三倍。垃圾的增加是渐进的，这表明随着封锁的继续，遵守规定的情况有所减少。我们的研究结果表明，人类活动水平和乱扔垃圾之间存在明显的联系。·随着严寒封锁的放松，两个城市的街道垃圾负荷量增加了三倍。·尽管禁止烟草销售，但按数量计算，烟头占垃圾总数的33%。·人类活动水平和乱扔垃圾之间存在明显的联系。本文的在线版本(10.1007/s40710-02020-1)包含向授权用户提供的补充材料。
The lockdowns instigated to slow the spread of the COVID-19 pandemic offered a unique opportunity to assess how restrictions on human activity affect street litter. We recorded daily litter arrival rates for 50 days in two South African cities from the time of strictest lockdown through two successive easings in regulations. The strict lockdown had no marked impact on litter composition, which was dominated by convenience foods and beverages (29% by number, 34% by mass) and tobacco products (33% by number, 3% by mass). The ban on the sale of tobacco products during the lockdown did not greatly reduce the number of cigarette butts and associated packaging. Vehicle parts accounted for <1% of litter items (2% by mass) whereas household waste spilled from bins prior to or during collection accounted for 3% of litter items (14% by mass). Street litter loads decreased roughly by a factor of three during the strict lockdown. The increase in litter was gradual, suggesting a reduction in compliance with regulations as the lockdown continued. Our results show a clear link between human activity levels and littering. • Street litter loads increased three-fold in two cities as Covid lockdowns eased. • Cigarette butts made up 33% of litter by number despite a ban on tobacco sales. • There is a clear link between human activity levels and littering. The online version of this article (10.1007/s40710-020-00472-1) contains supplementary material, which is available to authorized users.
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