City Nature Challenge: L.A. vs S.F.

March 15, 2016

The Dodgers or the Giants? The Hollywood sign or the Golden Gate Bridge? Palm trees or redwood trees? The City of Angels or the City by the Bay? Where will your allegiance lie on the first ever National Citizen Science Day? Centered around National Citizen Science Day and Earth Day, two of California’s leading natural history museums are asking residents of and visitors to the San Francisco Bay Area and Los Angeles County to explore nature all around them and document the species they find. Friendly Foes with Much in Common Despite–or possibly because of–being in the same state, Los Angeles and San Francisco have a long-standing rivalry. You can find an almost infinite number of debates on which city is better. However, even with all of our differences, these two California cities have a lot in common. We share life next to the Pacific Ocean and the complications of living with the infamous San Andreas Fault. We are the two most-populated urban centers in our state, with 10 million people in Los Angeles County and 7.1 million people in the nine San Francisco Bay Area counties, and on the whole we each have a very environmentally-minded populace. California: Living in a Biodiversity Hotspot Maybe our most important similarity–S.F. and L.A. both sit in a global biodiversity hotspot–the California Floristic Province. On par with places like the island of Madagascar and the Tropical Andes, biodiversity hotspots are, according to the Critical Ecosystem Partnership, the richest and most threatened reservoirs of plant and animal life on Earth.​ Unfortunately, our state’s spectacular biodiversity is threatened: at least 75% of the original habitat has already been lost. But through citizen science–in which members of the general public participate in scientific research–we can help make a difference. Quite often, citizen scientists provide scientists with data by taking measurements or digital photos of plant and animals that people see in their neighborhoods. By having Californians submit pictures, scientists can develop a new baseline of California’s nature and track how change is happening. The collected data can be used to improve our cities, to make them work better for humans and for wildlife. Scientists can not do this alone–California is too big with too much private property. Citizen science is the best way to gain a better understanding of California’s current wildlife community in urban, suburban, and rural areas.

Young citizen scientists help to document wildlife in the heart of Los Angeles Citizen Science and Natural History Museums Luckily one of the other things Los Angeles and San Francisco have in common are our stellar natural history museums! Both the California Academy of Sciences in San Francisco and the Natural History Museum of Los Angeles County have been engaging the public in citizen science for decades. Angelenos and San Franciscans have been documenting and sharing the nature they find everywhere–in backyards, in schoolyards, in parks, even growing in the cracks of the sidewalk–to help build a comprehensive current picture of nature in California. And also luckily, our citizen science teams at the Academy and at NHMLA have been collaborating for years (Lila from NHMLA and Alison from CAS were co-chairs of the inaugural Citizen Science Association conference in 2015). Oh and did we mention we are good friends? So when we heard about National Citizen Science Day, our brains started turning–why not jump on this chance to have a friendly rivalry between our two cities and start a competition to further the study of California biodiversity. This is how the City Nature Challenge was born!

Citizen scientists checking out an insect found during a bioblitz in San Francisco So what is this citizen science throwdown all about? The First Ever LA vs. SF Citizen Science Throwdown Our museums are spearheading the effort to document as many species as possible using the free iNaturalist citizen science tool. It all starts at noon on Thursday, April 14 and runs through noon on Thursday, April 21. Not only will these observations help build up the baseline of California biodiversity, but it also provides data for our local scientists, land managers, and governments about the areas they study and care for. On Earth Day, Friday, April 22, we’ll compare the stats. Who will come out on top? Which city will have the most species found, the most observations, the most citizen scientists involved: Los Angeles or San Francisco? *** If you are going to be in Los Angeles County or the San Francisco Bay Area during this time, we’d love to have you participate in the City Nature Challenge. All you have to do is submit your observations to us. Upload them to iNaturalist, come to one of the local events, or organize your own event. If you are in LA you can also send us your observations via e-mail nature@nhm.org, or tag them on social media with #NatureinLA! In SF, make sure to upload your observations to iNaturalist but also feel free to share your photos and experiences on social media using #NatureInTheBay. If you’re not going to be in L.A. or S.F., you can still help by providing identifications on the organisms people are uploading photos of, or just following along to see what’s being found! San Francisco Bay Area: http://www.inaturalist.org/projects/city-nature-challenge-s-f-vs-l-a Los Angeles County: http://www.inaturalist.org/projects/city-nature-challenge-l-a-vs-s-f

(Posted by: Lila Higgins and Alison Young)

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