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Mammals of the San Gabriel Mountains of California

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Published: 1954
Language: English
Wordcount: 26,940 / 98 pg
Flesch-Kincaid Reading Ease: 54.3
LoC Category: QL
Downloads: 430
Added to site: 2011.06.08
mnybks.net#: 30107
Origin: gutenberg.org
Excerpt

pecies. Locally, as in damp hollows or cleared areas, there is grassland. Jumbles of boulders, sand, gravel, and steep cutbanks, are characteristic of the channels of dry washes, these areas supporting sparse vegetation. The fauna and flora of the washes are distinct from those of surrounding sage flats. Because they are included within the geographic limits of the coastal sage belt, however, the washes are discussed along with this association.

The abruptness with which one habitat gives way to another in this association causes sharp dividing lines between the local ranges of certain mammals. For example, in trap lines transecting dry washes and level sageland two assemblages of rodents were found. That part of the line amid the boulders and cutbanks of the wash took mostly Peromyscus eremicus fraterculus and Neotoma lepida intermedia, while Perognathus fallax fallax, Dipodomys agilis agilis, and Peromyscus maniculatus gambeli were taken in the adjacent sa

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