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Fungal infections will also see an increase due to the warming of certain climates. [25] For example, the fungus Cryptococcus gattii has been found in Canada but is normally found in warmer climates such as in Australia. There are now two strains of this fungus in the northwestern part of North America, affecting many terrestrial animals. The ...
Animals including humans may be poisoned by pesticide residues that remain on food, for example when wild animals enter sprayed fields or nearby areas shortly after spraying. [54] Pesticides can eliminate some animals' essential food sources, causing the animals to relocate, change their diet or starve.
Altered precipitation patterns and warming temperatures have led to economic insecurity in Mexico, particularly for smallholder farmers who grow Mexico's economically and culturally important crops: maize and coffee. Climate change impacts are especially severe in Mexico City, due to increases in air pollution.
Although the existence of pollinator decline can be difficult to determine, a number of possible reasons for the theoretical concept have been proposed, such as exposure to pathogens, parasites, and pesticides; habitat destruction; climate change; market forces; intra- and interspecific competition with native and invasive species; and genetic alterations.
In the 1980s, the terms global warming and climate change became more common, often being used interchangeably. [118] [119] [120] Scientifically, global warming refers only to increased surface warming, while climate change describes both global warming and its effects on Earth's climate system, such as precipitation changes. [117]
This means that the typical growth period has increased due to global warming. [51] Also, with respect to plant distribution, the proportions of northern plants, such as subalpine species, and rare endemic plants have increased along with their altitudes, whereas the diversity of species was shown to decrease. [51]
Although a longer growing season sounds beneficial to food security, in reality, the warmer temperatures and increased precipitation are stressful to crops and animals. Planting and harvesting crops will prove to be much more challenging due to the increase in precipitation. Soil erosion will increase and lead to larger amounts of polluted runoff.
[1] [5] [6] For example, TRAFFIC is the international wildlife trade monitoring network that works to limit trade in wild plants and animals so that it is not a threat to conservationist goals. They promote awareness of the effects of introduced invasive species that may "hybridize with native species, causing genetic pollution". [9]