Mt. Tam

Serpentine Barren Endemics

What is Healthy?

Although not calculated yet, some level of historic occupancy for suites of rare serpentine species is desirable.

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Coast Redwood Forests

What is Healthy?

The desired condition for old-growth redwood forests is to sustain complex species composition and stand structure including multi-aged, multi-storied stand structure, coarse woody debris, tree cavities, and nesting structures.

In second-growth forests, the desired condition is evidence that a stand is on a trajectory towards development of old-growth characteristics. This includes a reduction in the total stem density over time as well as the development of large diameter trees and a multi-storied stand structure (Lorimer, 2009).

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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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Biodiversity

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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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Landscapes

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Health of Mt. Tam

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