Mt. Tam

Open-canopy Oak Woodland Communities

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Shrublands

What is Healthy?

The persistence of large, contiguous (30 acres or greater in size), weed-free blocks of shrublands that provide habitat for shrubland-dependent plant and wildlife species that are sensitive to edge effects and fragmentation.

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Sargent Cypress

What is Healthy?

Maintain more than 360 acres of Sargent cypress communities at the current spatial extent in the One Tam area of focus, supporting the current species richness and structural diversity, and with natural recruitment of Sargent cypress saplings and minimal invasive species.

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Open-canopy Oak Woodlands

What is Healthy?

The maintenance of the full spatial extent of this vegetation type, the persistence of a discontinuous canopy dominated by trees from the genus Quercus, and a discontinuous shrub layer and a herbaceous layer dominated by native species

Good examples of this type can be found in the Bon Tempe/Lake Lagunitas area and in the Cascade Canyon Preserve.

What Are the Biggest Threats?

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Mammals

Assessing the Health of Mt. Tam's Mammals

Knowledge about the mountain’s mammalian residents varies, but is generally limited. However, new information coming in from remote cameras installed in 2014 as a part of the Marin Wildlife Picture Index project should help land managers better understand the diversity and distribution of mammals across Mt. Tam’s different habitats.

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Biodiversity

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Landscapes

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Health of Mt. Tam

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