The Batiquitos Lagoon is a coastal wetland and estuary located between southern Carlsbad and Encinitas, in the North County region of San Diego County, California. The lagoon itself consists of 610 acres with a drainage basin of about 55,000 acres. Its primary freshwater tributaries being San Marcos Creek from the east and Encinitas Creek which flows north along Green Valley, entering the lagoon under El Camino Real and La Costa Avenue, respectively. It is one of the few remaining tidal wetlands on the southern California coast.
The Batiquitos Lagoon Foundation is a private non-profit organization that works to preserve the lagoon and educate the public about the natural history of the lagoon. The Foundation operates the Batiquitos Lagoon Foundation Nature Center, with programs and guided walks about the importance of the lagoon as a habitat for birds, insects, plants, fish, mammals and benthic organisms. The nature center is open daily.
Evidence of human habitation around Batiquitos Lagoon dates back 8,000 years.
The Batiquitos Lagoon is said to have been a trading outpost for pirates in the 1600s. Although no evidence has been found, there is a local legend that claims that there is buried treasure on the island.
The area around the lagoon was opened to homesteading in the 1870s. Various building projects and roads around the lagoon over the next 100 years blocked the necessary ebb and flow of the tides and silted the lagoon up, making it largely freshwater. This had an impact on the ecosystem and reduced the fish diversity to only five species.
In 1997, the Port of Los Angeles et al. began the environmental restoration of Batiquitos Lagoon. Since the end of construction, the ecosystem of the lagoon has gradually changed from a confined non-tidal system with limited habitat value to fully tidal, salt water system with greater habitat value. Since the restoration of tidal action to the lagoon, the fish populations have significantly increased in numbers and diversity and more than sixty-five species have been found. Lagoons serve as breeding and nursery areas for a wide array of coastal fish, provide habitat and food for resident species and serve as feeding areas for seasonal species.
- "About the Lagoon". Retrieved 2020-03-22.
- "Batiquitos Lagoon Foundation: Carlsbad, California". Retrieved 2020-03-22.
- California Department of Fish and Game: Batiquitos Lagoon State Marine Conservation Area
- Batiquitos Lagoon Foundation
- "Hike Batiquitos Lagoon Trail (2020)". HikingGuy.com. 2020-03-22. Retrieved 2020-03-22.
- "Visiting Batiquitos Lagoon". Retrieved 2020-03-22.
- "A REVIEW AND SYNTHESIS OF THE ARCHAEOLOGICAL RECORD FOR THE LOWER SAN DIEGO RIVER VALLEY" (PDF).
- blfadmin. "History". Retrieved 2020-03-22.
- "Restoration Resource Center USA: California: Restoration of Batiquitos Lagoon (Carlsbad)". www.ser-rrc.org. Retrieved 2020-03-22.
- blfadmin. "Fish". Retrieved 2020-03-22.
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