Younger Lagoon Reserve
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|Younger Lagoon Reserve|
|Location||100 Shaffer Road, Santa Cruz, California|
|Area||72 acres (0.113 sq mi)|
|Governing body||University of California, Santa Cruz|
Younger Lagoon Reserve is a 72-acre (28-hectare) University of California Natural Reserve System reserve on the northern shore of Monterey Bay in Santa Cruz County, California. The site is owned by the University of California and managed for teaching and research. It is adjacent to Long Marine Laboratory.
Donald and Marion Younger, whose family had owned a ranch in the area for over a century, donated the reserve to the University of California in 1972 to enable development of Long Marine Laboratory and protect the lagoon. The reserve was made part of the UC Natural Reserve System in 1987. The University added 47 acres of adjacent farm fields, an area known as Terrace Point, to the 25-acre reserve in 2008 as part of the establishment of its Coastal Science Campus.
The reserve sits on the lowest and southernmost of the series of marine terraces that make up the Santa Cruz coastline. The lagoon was formed by a coastal stream when ocean waves eroded the sea caves beneath the coastal bluffs.
The Y-shaped lagoon is seasonal, filling with winter and spring rains until winter storms erode the sandy berm at its mouth. At this point, the entire lagoon drains over the course of a few hours. Ocean waters fill the lagoon until waves reform the berm, enabling rain and runoff to freshen the waters again.
The federally endangered tidewater goby (Eucyclogobius newberryi) is the most abundant fish species in the lagoon. Surrounding terrestrial habitats feature willow thickets, dune plants, and pickleweed marsh. Common animals range from brush rabbits and striped skunks to coyote and bobcat. Shorebirds such as willets and sanderlings forage on the beach.
Younger Lagoon deploys interns and students to restore native vegetation around the lagoon and along the coastal prairie. Their experiments revegetating bluffs covered with non-native iceplant and remnants of brussels sprout fields inform research on habitat restoration. Cape Ivy has spread throughout some areas.