";s:4:"text";s:2384:" So it is with the salt marsh harvest mouse around the edges of the San Francisco Bay. The salt marsh harvest mouse was listed as a Endangered Species in the 1970's. Covariates included microhabitat metrics of elevation and vegetation species and cover; … It uses material from the Wikipedia article "Salt marsh harvest mouse". And finally, the Salt marsh harvest mice currently face fragmentation of their range, which makes very difficult for them to breed and recolonize these lost territories. Copyright Notice: This article is licensed under the GNU Free Documentation License. No estimate of population size is available for the Salt marsh harvest mouse. The salt marsh harvest mouse is an endangered species that is endemic to the San Francisco Bay. People mow their habitat (pickleweed) were they live so that is why they are endangered. vironmental and habitat associations of the marsh-endemic, Federally endangered salt marsh harvest mouse (Reithrodontomys raviventris, RERA) and co-occurrence with eight associated small mammal species from annual trap data, 1998–2014, in six estuarine marshes in North San Francisco Bay, California. : People mow their habitat (pickleweed) were they live so that is why they are endangered. The endangered species status of the diminutive harvest mouse, along with that of the similarly endangered California clapper rail, has been a prime mover in the restoration of tens of thousands of acres of tidal marshes around the region. The salt marsh harvest mouse (SMHM, Reithrodontomys raviventris) is an endangered species endemic to the San Francisco Bay region of California, USA, where habitat loss and fragmentation over the past century have reduced the mouse’s distribution to <25 % of its historical range. It uses material from the Wikipedia article "Salt marsh harvest mouse".