Survival and abundance of three species of mice in relation to density of shrubs and prescribed fire in understory of an oak woodland in California

William D. Tietje, Derek Lee, Justin K. Vreeland

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

We investigated effects of prescribed understory fire and shrub density on the pinyon deermouse (Peromyscus truei), brush deermouse (P. boylii), and California pocket mouse (Chaetodipus californicus) in a mixed blue oak-coast live oak (Quercus douglasii-Q. agrifolia) woodland of coastal-central California. We simultaneously estimated survival and abundance of all species during pre-burn and post-burn. Abundance of pinyon deermice and California pocket mice was significantly higher in plots with high (>25%) shrub cover compared to plots with low (<10%) shrub cover. A light-to-moderate intensity, prescribed, understory fire had no significant effect on survival for any of the three species we investigated. The fire significantly reduced abundance of pinyon deermice in the trapping session immediately after the fire, but abundance increased in subsequent trapping sessions relative to controls. Low intensity, prescribed, understory fire in oak woodland is unlikely to significantly alter populations of rodents if patches of well-structured habitat are maintained. Benefits of prescribed fire for oak woodlands in reduction of the risk of wildfire and rejuvenation of vegetation likely outweigh any short-term negative effects on populations of mice.

Original languageEnglish (US)
Pages (from-to)357-369
Number of pages13
JournalSouthwestern Naturalist
Volume53
Issue number3
DOIs
StatePublished - Sep 1 2008

Fingerprint

Peromyscus
prescribed burning
understory
woodlands
woodland
Quercus
shrub
shrubs
Quercus douglasii
Quercus agrifolia
Perognathus
mice
trapping
risk reduction
wildfires
wildfire
rodents
rodent
oak
vegetation

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics

Cite this

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title = "Survival and abundance of three species of mice in relation to density of shrubs and prescribed fire in understory of an oak woodland in California",
abstract = "We investigated effects of prescribed understory fire and shrub density on the pinyon deermouse (Peromyscus truei), brush deermouse (P. boylii), and California pocket mouse (Chaetodipus californicus) in a mixed blue oak-coast live oak (Quercus douglasii-Q. agrifolia) woodland of coastal-central California. We simultaneously estimated survival and abundance of all species during pre-burn and post-burn. Abundance of pinyon deermice and California pocket mice was significantly higher in plots with high (>25{\%}) shrub cover compared to plots with low (<10{\%}) shrub cover. A light-to-moderate intensity, prescribed, understory fire had no significant effect on survival for any of the three species we investigated. The fire significantly reduced abundance of pinyon deermice in the trapping session immediately after the fire, but abundance increased in subsequent trapping sessions relative to controls. Low intensity, prescribed, understory fire in oak woodland is unlikely to significantly alter populations of rodents if patches of well-structured habitat are maintained. Benefits of prescribed fire for oak woodlands in reduction of the risk of wildfire and rejuvenation of vegetation likely outweigh any short-term negative effects on populations of mice.",
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Survival and abundance of three species of mice in relation to density of shrubs and prescribed fire in understory of an oak woodland in California. / Tietje, William D.; Lee, Derek; Vreeland, Justin K.

In: Southwestern Naturalist, Vol. 53, No. 3, 01.09.2008, p. 357-369.

Research output: Contribution to journalArticle

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