The controlling test was carried out to the annual and perennial broadleaved weed and shrub on forestland with 24% picloram Sc. 选用24%氨氯吡啶酸水剂,对林地一年生及多年生阔叶杂草、灌木进行防除试验。
And only 22 percent of forestland worldwide is protected.
但全球受保护的林地却只占22%。
TED演讲(音频版) 2021年11月合集
Restoring nearly 200 million hectares of degraded forestland, peatland and wetlands could also absorb almost another four billion metric tons.
恢复近 2 亿公顷退化林地、泥炭地和湿地还可以吸收近 40 亿公吨。
NPR音讯 2014年9月合集
In a criminal complaint, prosecutor charged a man with identity of Wayne Allen Huntsman with willfully and mercilessly setting? fires to forestland on September? 13.
检察官在刑事诉状中指控名为韦恩? 艾伦? 亨茨曼的男子在9月13日蓄意、恶意点燃林地大火。
CRI在线 2023年7月合集
Two wildfires are raging through forestland and towns northwest of Athens, forcing residents to flee their homes as authorities fight to stop the flames reaching an area with oil refineries.
According to recent reports, areas at least 19 miles (30 km) away from the accident site, are mostly radiation free, although some lakes and forestland are no-go areas or are at least restricted to the public.
A forest is a large area of land covered with trees or other woody vegetation. Hundreds of more precise definitions of forest are used throughout the world, incorporating factors such as tree density, tree height, land use, legal standing and ecological function. According to the widely used United Nations Food and Agriculture Organization definition, forests covered four billion hectares (15 million square miles) or approximately 30 percent of the world's land area in 2006.