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Xinhua News Agency, London, May 10 (Reporter Zhang Jiawei) A report issued by the Royal Botanic Garden on the 10th said that 21% of the world’s plant species are facing extinction risk.
This report, led by researchers from the Royal Botanic Garden, analyzes the current biodiversity of the earth, the global threats facing plants, and the effects of existing policies, and further sorts out global plant data
Professor Cathy Willis, the scientific director of the Royal Botanic Gardens who participated in the study, said that this is the first global report on the status of the world’s plants.
According to the report, if plants such as algae and mosses are not included, there are approximately 390,000 plant species known globally, and there are 2,000 new plant species discovered every year
The report lists the factor “the destruction of habitats caused by agricultural development” as the biggest threat to the survival of plant species, such as palm oil production and cattle raising; while “logging leads to forest degradation” and “building and infrastructure construction” are separate factors.
The researchers said that the impact of climate change on plant growth is relatively small at present, but it is gradually expanding, and it may take 30 years to truly show up, especially the impact on trees
In addition, the report also pointed out that the number of newly discovered plant species in the world has maintained a high growth rate in recent years, and only the Royal Botanic Garden researchers can discover 200 to 300 new plant species every year
Willis said that this is very exciting, "We can continue to discover new tree species and new edible plant species, for example, we discovered five new onion species last year
According to the report, many important plants have been cultivated into high-yield crops by humans in the past thousands of years, but they have gradually lost their genes to resist diseases, insect pests and climate change, including bananas, sorghum, and eggplants.
