| 论文摘要： |
Non-native aquatic plants are regarded as serious threats to aquatic biodiversity and ecosystem health. Large-flowered, or Brazilian waterweed ( Egeria densa Planchon, 1849) is a submerged aquatic plant native to South America that has been introduced to all continents except Antarctica primarily because of its popularity in the aquarium trade. E. densa was brought into China after 2000, and it has become one of the most popular aquatic plants used in China's burgeoning aquarium trade. It is one of many non-native aquatic species whose plasticity and thermal tolerance have buffered them from global warming impacts. This has allowed the establishment of feral populations that have caused significant negative impacts in China. Information about introduction pathways, distribution, and the ecological impacts of non-native species, such as E. densa has been very limited in China. This knowledge gap has hindered their effective management. Here we provide an updated distribution of E. densa in China from summarized literature data and our comprehensive field study. Furthermore, an overview of ecological impacts, and control or eradication approaches that have been used to manage and curtail the spread of large-flowered waterweed is presented. |
