Αποτελέσματα Αναζήτησης
It is impossible for cetacean abundance estimates to be completely precise and IWC estimates are presented as a ‘best estimate’ figure, accompanied by a 95% Confidence Interval, showing a range of plausible values for the population's actual abundance.
- Status of whales
Around 200 gray whales regularly feed off Sakhalin Island,...
- Status of whales
Countries with more than 25 species at risk of losing more than 25% of their habitat by 2050. Cumulative first records of alien species. Day of the year with peak cherry tree blossom in Kyoto, Japan. Drivers of recovery in European bird populations. Endemic amphibian species.
Around 200 gray whales regularly feed off Sakhalin Island, Russia; although population numbers have slowly increased by 4% since the 1990s 68, 69, the low numbers of individual whales observed in 2022-2023 raise concern 70. Primary threats are entanglement and activities related to oil and gas.
26 Οκτ 2023 · Currently, an estimated 15,000 are left in the world. About 2,000 blue whales swim near the Pacific coast, spanning from Alaskan to Central American waters. Their populations, however, are threatened by ship strikes. When blue whales come up for oxygen, they collide with massive watercraft carrying shipping containers.
14 Νοε 2022 · There are about 850,000 sperm whales now, down from about two million before the start of whaling in 1712, so a decline of approximately 57% in 310 years caused by substantial open-boat whaling...
At the top of the food chain, whales are vital to the health of the marine environment but 7 out of the 13 great whale species are endangered or vulnerable. Learn how WWF helps whales.
15 Σεπ 2023 · Red List Status and Extinction Risk of the World’s Whales, Dolphins and Porpoises – New Infographic. From 2017 to 2021, the CSG reassessed nearly all currently recognized species of cetaceans (90 of 92 at that time) for the IUCN Red List.
