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The Planetary Boundaries framework acknowledges the influence of the 1972 study, The Limits to Growth, that presented a model in which exponential growth in world population, industrialization, pollution, food production, and resources depletion outstrip the ability of technology to increase resources availability. [53]
The San Bernardino meridian, established in 1852, [1] is one of three principal meridians in the state of California. Because of the state's shape, three meridian–baseline sets are required for surveys in all parts of the state. The San Bernardino meridian is used for Southern California, and some townships in Arizona are also referenced to ...
The coast of California north of San Francisco contains the Northern California coastal forests (as defined by the WWF) and the southern section of the Coast Range ecoregion (as defined by the EPA). This ecoregion is dominated by redwood forest , containing the tallest and some of the oldest trees in the world.
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The southern boundary, between California and Mexico, was established by the Treaty of Guadalupe Hidalgo that ended the Mexican–American War in 1848. The line is about 30 miles (48 km) north of the former Alta California southern boundary.
California is in the Nearctic realm. Ecoregions are listed by biome: [1] Temperate coniferous forests. Eastern Cascades forests (Eastern Cascades Slopes and Foothills)
This is a list of regions of California, organized by location. Northern California. Central California. Central California. Central Valley; Central Coast (North) ...
Meridians and baselines of California: Humboldt, Mt. Diablo, and San Bernardino The Humboldt meridian in California, longitude 124° 07' 10" west from Greenwich, intersects the base line on the summit of Mount Pierce at latitude 40° 25' 02" north (co-ordinates in NAD27 datum), [1] and governs the surveys in the northwestern corner of California, lying west of the Coast Range of mountains, and ...