Single species as indicators of species richness and composition in California coastal sage scrub birds and small mammals

Article Abstract:

A study is conducted to evaluate 40 species of birds and small mammals, including 11 species of conservation concern, as potential indicators of species richness and species composition in southern California coastal sage scrub habitats. The results suggest that efforts to conserve bird and small-mammal biodiversity in coastal sage scrub should not focus exclusively on rare species or on locations with the highest species richness, but instead on a diverse suite of species that are representative of a range of variation in communities found in coastal sage scrub habitats.

Surveys, Birds, Varieties

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Evaluating the California Gnatcatcher as an umbrella species for conservation of southern California coastal sage scrub

Article Abstract:

The California Gnatcatcher is a federally listed and endangered species in the United states and this is used as an umbrella species for the conservation of costal sage scrub in southern California. The results indicate that vertebrate do not automatically function as umbrella species for invertebrate cohabitants and reserve designs based on vertebrate umbrella species which assume invertebrates will be protected, may result in the loss of a large portion of invertebrate diversity.

Environmental aspects, Gnatcatchers

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Restoring Arthropod communities in coastal sage scrub

Article Abstract:

Anthropod abundance and diversity on one of its primary components, the native shrub Artemisia californica have been measured to evaluate whether arthropod communities had become reestablished after a restoration attempt. It has been suggested that small-scale restoration attempts can be successful at restoring basic elements of surrounding biodiversity.

Arthropoda, Arthropods, Artemisia

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