California is a biodiversity hot spot because of its unique geography, climate, geologic history and size. California’s network of terrestrial protected lands covers 46% of the state. More than 30% of California’s species are threatened with extinction.
Does California have a high diversity of ecosystems?
California is one of the most geographically and ecologically diverse regions in the world, with landscapes ranging from sandy beaches to coastal redwood rainforests to snow-covered alpine mountains to dry desert valleys.
How high is the ecosystem diversity of California?
California has the highest numbers of native and endemic plant species of any state, with approximately 6,500 species, subspecies, and varieties of plants, representing 32 percent of all vascular plants in the United States (CDFG 2003; University of California, Berkeley 2014).
What state has the most diverse ecosystems?
Alaska is the most biodiverse state with 15 ecoregions across 3 biomes in the same realm. California comes in a close second with 13 ecoregions across 4 biomes in the same realm. By contrast, Rhode Island is the least biodiverse with just one ecoregion – the Northeastern coastal forests – encompassing the entire state.
What type of ecosystem is California?
The ecoregions of California can be grouped into four major groups: desert ecoregions (such as the Mojave Desert), Mediterranean ecoregions (such as the Central Valley), forested mountains (such as the Sierra Nevada), and coastal forests.
Why does California have high biodiversity?
California is the most biodiverse state in the U.S. and one of the most biodiverse regions of the world. California is a biodiversity hot spot because of its unique geography, climate, geologic history and size. … Ecosystems with higher biodiversity are more stable and resilient to stressors and climate change.
How many ecosystems are in California?
There are 13 level III ecoregions and 177 level IV ecoregions in California and most continue into ecologically similar parts of adjacent States of the United States or Mexico (Bryce and others, 2003; Thorson and others, 2003; Griffith and others, 2014).
Is California biodiversity?
Biodiversity (or biological diversity) refers to the variety of life from ecosystems to species to genes. California is a global biodiversity hotspot and is home to more species of plants and animals than any other state in the U.S. California’s people and economy depend on the complex ecosystems that make up our …
Why does California have such a diversity of climates?
Glaciation, sedimentary and volcanic deposits, movement along fault zones, the uplift of subterranean rock and sediment layers, and gradual erosion have created unique topographical features and a mosaic of bedrock and soil types. The state’s geography and topography have created distinct local climates.
Why is California so botanically diverse?
Botanists have long recognized California as a biodiversity hotspot. … Instead, features of California’s climate, topography, and latitude have preserved these species, allowing us to see them today, when they may have simply gone extinct if they had arisen elsewhere.”
Which city has the highest biodiversity?
The world’s most biodiverse urban area, in raw numbers and with an understanding for its value, could be Cape Town, according to Thomas Elmqvist, editor of Urbanization, Biodiversity and Ecosystem Services: Challenges and Opportunities and leader of the United Nation’s City and Biodiversity Outlook Project.
Which state has the most species of mammals?
Wyoming has remained wilder than most other U.S. states. Its sagebrush plains, marshy wetlands, rocky foothills and alpine peaks are home to a wide array of bird and animal life, including several large mammal species long since driven out of most of the rest of the United States.