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Human activities have a strong and detrimental influence on marine biodiversity. The main drivers of marine species extinction are habitat loss, pollution, invasive species, and overexploitation. [105] [106] Greater pressure is placed on marine ecosystems near coastal areas because of the human settlements in those areas. [107]
When estimating the effect of climate change on species' extinction risk, the report concluded that global warming of 2 °C (3.6 °F) over the preindustrial levels would threaten an estimated 5% of the Earth's species with extinction even in the absence of any other factors like land use change. If the warming reached 4.3 °C (7.7 °F), they ...
The global assessment of freshwater animals on the International Union for Conservation of Nature’s (IUCN) Red List of Threatened Species evaluated the extinction risk of 23,496 freshwater ...
The organisms once living there have either moved elsewhere, or are dead, leading to a decrease in biodiversity and species numbers. [1] [2] Habitat destruction is in fact the leading cause of biodiversity loss and species extinction worldwide. [3]
The causes of these extinctions are varied — land-use change, habitat loss, deforestation, intensive farming and agriculture, invasive species, overhunting and the climate crisis — but all ...
“The Endangered Species Act is our best tool to address biodiversity loss in the United States,” Senate Environment and Public Works chairman Tom Carper said during a May floor debate over ...
Some 250,000 valid fossil species have been described, but this is believed to be a small proportion of all species that have ever lived. [12] Global biodiversity is affected by extinction and speciation. The background extinction rate varies among taxa but it is estimated that there is approximately one extinction per million species years ...
Coextinction refers to the loss of a species due to the extinction of another; for example, the extinction of parasitic insects following the loss of their hosts. Coextinction can also occur when a species loses its pollinator, or to predators in a food chain who lose their prey. "Species coextinction is a manifestation of one of the ...