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A 2021 study which analyzed around 11,500 freshwater fish species concluded that 1-4% of those species would be likely to lose over half of their current geographic range at 1.5 °C (2.7 °F) and 1-9% at 2 °C (3.6 °F). A warming of 3.2 °C (5.8 °F) would threaten 8-36% of freshwater fish species with such range loss and 4.5 °C (8.1 °F ...
Migratory fish populations have declined by 76% since 1970, and large "megafish" populations have fallen by 94% with 16 species declared extinct in 2020. [ 101 ] Marine species
The World Wildlife Fund’s Living Planet Report 2022 found that wildlife populations declined by an average 69% since 1970. [1] [2] [3]The Living Planet Index (LPI) is an indicator of the state of global biological diversity, based on trends in vertebrate populations of species from around the world.
The chambo and kampango have been particularly overfished (the kampango declined by about 90% from 2006 to 2016, [47] O. karongae and O. squamipinnis by about 94%, and O. lidole might already be extinct [48] [49]) and they are now seriously threatened. [50] The IUCN recognises 117 species of Malawi cichlids as threatened; some of these have ...
Although the endangered species is protected, habitat loss from human development is a major reason for the loss of green turtle nesting beaches. Wetlands and marine areas have endured high levels of habitat destruction. More than 50% of wetlands in the U.S. have been destroyed in just the last 200 years. [8]
As of 2015, its primary forest cover was 36.2 million hectares, the 13th largest national area in the world and representing 2.8% of the worldwide total. [142] Bolivia also has the seventh largest amount of tropical rainforest. Overall, forests made up 51.4 million hectares or 46.8% of the country's total area as of 2013. [143]
There are 80 species of grouper in Australian waters, [citation needed] including one of the world's biggest bony fish, the giant grouper, which can grow as large as 2.7 m and weigh up to 400 kg. [150] The trevally, a group of 50 species of silver schooling fish, and the snappers are popular species for commercial fishing. [151]
In Colorado, the species ranges from about 5,410 to 8,860 feet (1,650 to 2,700 m) and is often found in mixed stands with ponderosa pine, blue spruce, or lodgepole pine. Like ponderosa pine, Douglas-fir is tolerant of frequent, low-intensity surface fires. High-intensity fire intervals in Douglas-fir forests in Wyoming average 50–100 years. [1]