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The climate of California varies widely from hot desert to alpine tundra, depending on latitude, elevation, and proximity to the Pacific Coast. California 's coastal regions, the Sierra Nevada foothills, and much of the Central Valley have a Mediterranean climate , with warmer, drier weather in summer and cooler, wetter weather in winter.
California is known to be free of Bactrocera tau (Walker). [302] California red scale (Aonidiella aurantii) is an invasive pest here. [303] It competitively displaced a prior invader Yellow scale . [303] Debach et al., 1978 finds that A. citrina is now extinct in this state due to the invasion of A. aurantii. [303]
The California Floristic Province is a world biodiversity hotspot as defined by Conservation International, due to an unusually high concentration of endemic plants: approximately 8,000 plant species in the geographic region, and over 3,400 taxa limited to the CFP proper, as well as having lost over 70% of its primary vegetation. A biodiversity ...
The region's complexity extends to varying topography, sun exposure, and diverse soils, contributing to a wide array of microclimates or terroirs within a relatively small viticulture area. Napa Valley, despite its linear appearance, is a tapestry of climate influences from the adjacent Vaca and Mayacamas mountain ranges, alongside varied ...
The Central Valley is a region known for its agricultural productivity. It provides a large share of the food produced in California, which provides more than half of the fruits, vegetables, and nuts grown in the United States. [3] More than 7,000,000 acres (28,000 km 2) of the valley are irrigated via reservoirs and canals. [4]
California, along with Arizona, Florida and Texas, make up a new list of the top 20 counties projected to see the most days per year with temperatures above 100° F, according to a new study.
August effectively tied 2023 as the planet's hottest August on record. The year is virtually certain to be the hottest on record. As California swelters, climate officials declare Summer 2024 the ...
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