搜尋結果
23 小時前 · Estella Leopold, paleobotanist and conservation paleontologist passes on February 25, 2024 at 97. Leopold's work as a conservationist included taking legal action to help save the Florissant Fossil Beds in Colorado, and fighting pollution. She was the daughter of Aldo Leopold.
5 天前 · As of September 2016, the International Union for Conservation of Nature (IUCN) lists 5430 Vulnerable (VU) plant species. [1] 25% of all evaluated plant species are listed as Vulnerable. The IUCN also lists 244 subspecies and 235 varieties as Vulnerable. No subpopulations of plants have been evaluated by the IUCN.
1 天前 · Apples, pears, cherries, apricots, plums, peaches. Flowering plants provide a diverse range of materials in the form of wood, paper, fibers such as cotton, flax, and hemp, medicines such as digoxin and opioids, and decorative and landscaping plants. Coffee and hot chocolate are beverages from flowering plants.
5 天前 · As of December 2023, the International Union for Conservation of Nature (IUCN) lists 5702 plant species categorized as Critically Endangered, including 569 which are tagged as possibly extinct and 48 possibly extinct in the wild.
23 小時前 · As of September 2016, the International Union for Conservation of Nature (IUCN) lists 1851 near threatened plant species. [1] 8.5% of all evaluated plant species are listed as near threatened. The IUCN also lists 51 subspecies and 73 varieties as near threatened. No subpopulations of plants have been evaluated by the IUCN.
2 天前 · Plant species (IUCN, 2023-1) 66,406 extant species have been evaluated 61,035 of those are fully assessed [a] 34,588 are not threatened at present [b] 26,276 are threatened [c] 174 are extinct or extinct in the wild: 129 extinct (EX) species [d] 45 extinct in the wild (EW) ...
23 小時前 · As of September 2016, the International Union for Conservation of Nature (IUCN) lists 1674 data deficient plant species.[1] 7.6% of all evaluated plant species are listed as data deficient. The IUCN also lists 18 subspecies and 57 varieties as data deficient. No subpopulations of plants have been evaluated by the IUCN. This is a complete list ...
