Path Selection by Peromyscus leucopus in the Presence and Absence of Vegetative Cover

Barnum, Sarah; Manville, Christiana J.; Tester, John R.; Carmen, William J.

doi:10.2307/1382198

Cited by 84 publications

(40 citation statements)

References 7 publications

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“…The device gives fast and easy readings of the variables which were chosen to minimize the well-known effect of temporal variation in habitat structure (Dueser & Shugart, 1978;Freitas, 1998). The set of variables corresponds to factors we regard as relevant to a variety of small mammal species investigated in previous studies (Birney et al, 1976;Dueser & Shugart, 1978;Barnum et al, 1992;Cassini & Galante, 1992;Morrison et al, 1992;Freitas, 1998).…”

Section: Introductionmentioning

confidence: 99%

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A device and standard variables to describe microhabitat structure of small mammals based on plant cover

2002

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Studies quantifying habitat structure generally use several instruments. This paper aims to propose a new and efficient device to characterize microhabitat structure of small mammals. Seven measurements were taken: plant cover, litter cover, rock cover, canopy cover, and vegetative obstruction at three heights. The device is a 0.25 m 2 square wooden frame (0.50 m x 0.50 m) divided in to 100 open squares by wire mesh. Average time spent to measure each trapping station was six minutes. This new device is efficient, i.e., quick, practical, simple, and reliable. It can be used in any kind of forest. We propose this method as a standard method to describe habitat structure.Key words: habitat, methods, neotropics, small mammals, techniques. RESUMOUm instrumento e variáveis-padrão para descrever a estrutura do microhabitat de pequenos mamíferos baseada na cobertura vegetal Os estudos que quantificam a estrutura do habitat geralmente usam vários instrumentos. Este artigo objetiva propor um novo e eficiente instrumento para caracterizar a estrutura do microhabitat de pequenos mamíferos. Sete medidas foram tomadas: cobertura vegetal (herbáceos e lenhosos), cobertura de folhiço, cobertura de pedras, cobertura de dossel e obstrução foliar vertical em três alturas. O instrumento é uma tela quadrada de 0,25 m 2 (0,50 m x 0,50 m) de madeira, dividida por arame em 100 quadrados abertos. O tempo médio para medir cada estação de captura foi de 6 minutos. Este novo instrumento é eficiente, isto é, rápido, prático, simples e confiável. Ele pode ser usado em qualquer tipo de floresta. Propomos este método como padrão para descrever a estrutura do habitat.Palavras-chave: habitat, métodos, neotrópicos, pequenos mamíferos, técnicas.

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Section: Introductionmentioning

confidence: 99%

“…Plant cover is considered a major determinant of local distribution and abundance of small mammals (Birney et al, 1976;Barnum et al, 1992;Cassini & Galante, 1992). Hence, the device shown in this paper chiefly measures factors related to plant cover.…”

Section: Introductionmentioning

confidence: 99%

A device and standard variables to describe microhabitat structure of small mammals based on plant cover

2002

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“…Since bait used in traps may affect animal m ove ments, point data on m icrohabitat use obtained from trapping may be biased (Sheppe 1967). Radio telemetry can provide information about movements and Goodyear 1989 not indicated approximately 19.00 h Barnum et al 1992 23.30-04.00 h at time o f capture McShea and Gilles 1992 22.00 h at time o f capture Etheredge et al 1989 05.00-09.00 h at time of capture Mullican and Baccus 1990 17.00-09.00 h 17.00-20.00 h that evening home ranges, but it is limited by range o f transmitter, expense o f equipment, error associated with triangulation, and the potential for the researcher's presence to alter the animals' activity patterns and movements. In addition, although radio telemetry provides point data on use o f habitat, detailed inform ation on how the animal travels between points is difficult to obtain.…”

Section: Introductionmentioning

confidence: 99%

“…The low costs and high accuracy o f powder tracking has caused this technique to become favored by many researchers. Since it was first proposed by Lemen and Freeman (1985), fluorescent pigments have been used to examine movements (Jike et al 1988, Mullican 1988, Teferi and Herman 1995, intraspecific social interactions (Kaufman 1989, Millar andErickson 1992), foraging behavior (McShea and Gilles 1992), and use o f habitat (Graves et al 1988, Goodyear 1989, Etheredge et al 1989, Mullican and Baccus 1990, Barnum et al 1992, McMillan and Kaufman 1995 o f a number o f species of small mammals. The basic technique involves live-trapping animals, immersing them in fluorescent powder, releasing them at the point o f capture, then following and m arking the fluorescent trails (Lemen and Freeman 1985).…”

Section: Introductionmentioning

confidence: 99%

The effect of time of release on microhabitat use by the white-footed mouse

Menzel

Carter²,

Jablonowski³

et al. 2000

Acta Theriol.

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Fluorescent paint powders have frequently been used to determine the spatial activity patterns and microhabitat use o f small mammals. The time o f day that powdered animals were released differs among studies and data used in many studies were collected on the trails o f powdered animals released in the morning outside the normal period o f activity o f many species o f small mammals. We tested for differences in the characteristics o f fluorescent powder trails o f white-footed mice Peromyscus leucopus (Rafmesque, 1818) released using three protocols: night capture-night release, morning capture-morning release, and morning capture-delayed night-release. The night release and morning release protocols were established to replicate the extremes found in the literature. We added the third protocol to evaluate how capturing mice in the morning, holding them in captivity, and releasing them at night affected their use o f microhabitat. There were no significant differences in the use o f microhabitat between the night release and delayed night-release treatments. However, a significantly greater proportion o f the trails of mice released in the morning were in areas o f thick cover and under logs than the trails o f mice released at night. Because mice released during the day used microhabitat differently than mice released at night, we caution against the interpretation o f data on use o f habitat collected using the fluorescent powder trails o f animals released outside their normal period o f activity.

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“…This rodent also persists in areas invaded by Amur honeysuckle, and is sometimes the only small mammal still present in such areas (Mattos and Orrock 2010;Dutra et al 2011;Rose et al 2014;Shields et al 2014). White-footed mice prefer habitats with dense canopy cover (Edalgo et al 2009), large quantities of woody debris (Drickamer 1990), and relatively little vegetative cover (Barnum et al 1992), preferences that we would expect to carry over into honeysuckle patches. However, P. leucopus has demonstrated the ability to use whatever habitat is available (Greenberg 2002;Jones and Lindquist 2012), even in heavily disturbed areas (Bellows et al 2001;Brannon 2005).…”

Section: Introductionmentioning

confidence: 95%

Impact of urban factors and invasive species on white-footed mouse (Peromyscus leucopus) habitat use and foraging behavior in an urban forest park.

Persons

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Persons, William, "Impact of urban factors and invasive species on white-footed mouse (Peromyscus leucopus) habitat use and foraging behavior in an urban forest park." (2015). Urban ecosystems demonstrate high levels of anthropogenic land-use change, modification of abiotic inputs, and altered disturbance regimes; these changes directly alter habitats. These changes result in reduced native biodiversity, creating available niches often filled by invasive species. Urban parks often serve as reserves for native species less suited to survival in urban areas, helping to preserve native biodiversity through mitigation of anthropogenic effects. Understanding what changes affect these urban parks, how the vegetative community responds, and how species (small mammals in particular) modify their behaviors to persist in these areas will increase our ability to manage urban areas for maximum biodiversity.This research project took place in Twin Parks, a forested bottomland urban park.The vegetative community, habitat structure, human presence, and the small mammal community were assessed at multiple scales. Giving-Up Density was also assessed.Chapter 1 assesses the habitat at a macro scale, determining what elements of the vegetative community, vertical structure, and environment contribute to patterns of white-footed mouse (Peromyscus leucopus) capture. Chapter 2 assesses habitat selection viii at a microhabitat scale, examining how P. leucopus uses the specific invasive Amur honeysuckle (Lonicera maackii). Chapter 3 examines P. leucopus anti-predator responses in relation to coarse woody debris (CWD) and honeysuckle canopy cover using GivingUp-Density trials.White-footed mice select for areas of greater canopy cover at the macro scale.White-footed mice selected for areas with more CWD at the micro-scale, while also potentially avoiding higher invasive species richness. White-footed mice preferentially foraged under the honeysuckle canopy in response to changes in temperature and humidity. This study suggests that the interaction between P. leucopus and ground layer invasive species is complex, and that the effect of moonlight may be diminished in this urban park.ix

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Path Selection by Peromyscus leucopus in the Presence and Absence of Vegetative Cover

Cited by 84 publications

References 7 publications

A device and standard variables to describe microhabitat structure of small mammals based on plant cover

A device and standard variables to describe microhabitat structure of small mammals based on plant cover

The effect of time of release on microhabitat use by the white-footed mouse

Impact of urban factors and invasive species on white-footed mouse (Peromyscus leucopus) habitat use and foraging behavior in an urban forest park.

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