Habitat Use And Dispersal In White Footed Mice Peromyscus Leucopus
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Habitat Use And Dispersal In White Footed Mice Peromyscus Leucopus
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Author : John R. Cummings
language : en
Publisher:
Release Date : 1988
Habitat Use And Dispersal In White Footed Mice Peromyscus Leucopus written by John R. Cummings and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Peromyscus leucopus categories.
The Influence Of Habitat And Landscape Structure On The Genetic Differentiation Of The White Footed Mouse Peromyscus Leucopus
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Author : Robby Marrotte
language : en
Publisher:
Release Date : 2013
The Influence Of Habitat And Landscape Structure On The Genetic Differentiation Of The White Footed Mouse Peromyscus Leucopus written by Robby Marrotte and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.
"The white-footed mouse (Peromyscus leucopus) is a widespread habitat generalist species abundant over a large part of the North-American continent. In the past decade, due to climate and land use change, the range of this species has expanded northwards into Canada. The black-legged tick (Ixodes scapularis), is the vector of Lyme disease which also has tracked climate change over the last few decades. This may have been further promoted by the growing presence of P. leucopus, a favored host for the tick. Therefore, aspects of the landscape that affect the movement and distribution of the white-footed mouse, will also affect the expansion of the tick, and consequently the spread of Lyme disease. In this thesis, I first reviewed published results that relied on genetic and non- genetic biological data to investigate the influence of local habitat and landscape characteristics on the movement and dispersal patterns in the white footed-mouse. Next, I evaluated the relations between breeding habitat and landscape resistance against the genetic differentiation between 11 populations in Montérégie, Québec, Canada. I was able to simultaneously measure the effect of the habitat and the landscape on the genetic differentiation of these mouse populations by utilizing numerical optimization to fit a model to previously published genetic data. I used ecological distance computed from resistance surfaces with Circuitscape to infer the effect of the landscape. Concurrently, I estimated the habitat quality of our sampling localities and correlated these to relevant habitat measurements. I found that both characteristics within and between forest patches have more of an impact on genetic differentiation than the geographical distance between the mice populations. This suggests that this species can disperse and use a wide range of habitats, in accordance with its recent rapid expansion in the region." --
Population And Habitat Dynamics Of The White Footed Mouse Peromyscus Leucopus
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Author : Brian G. Ormiston
language : en
Publisher:
Release Date : 1983
Population And Habitat Dynamics Of The White Footed Mouse Peromyscus Leucopus written by Brian G. Ormiston and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Animals categories.
Population And Habitat Dynamics Of The White Footed Mouse Peromyscus Leucopus In A Heterogeneous Forest
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Author : Brian G. Ormiston
language : en
Publisher:
Release Date : 1984
Population And Habitat Dynamics Of The White Footed Mouse Peromyscus Leucopus In A Heterogeneous Forest written by Brian G. Ormiston and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Animal populations categories.
Habitat Use By Golden Mice Ochrotomys Nuttalli And White Footed Mice Peromyscus Leucopus In Southern Illinois
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Author : Amy S. Cross
language : en
Publisher:
Release Date : 2013
Habitat Use By Golden Mice Ochrotomys Nuttalli And White Footed Mice Peromyscus Leucopus In Southern Illinois written by Amy S. Cross and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.
Similarities between golden mice (Ochrotomys nuttalli ) and white-footed mice (Peromyscus leucopus ) have been well-studied in both field and laboratory settings. Often sympatric, these species share similar habitat, as well as other resources, yet previous researchers have found little evidence for interspecific competition. Niche partitioning may reduce direct competition through specialization of resource use. Although the golden mouse is considered a resource specialist, it is likely that the degree of habitat specialization differs by locality, and thus, the degree of interspecific competition with similar species is variable. Overall results suggest that golden mice exhibited a great deal of plasticity in microhabitat use seasonally, and are more habitat generalists than previous literature would suggest. Although some spatial segregation was apparent between golden mice and white-footed mice, there was no evidence for avoidance between species, which implies a lack of interference competition. It is likely that other life-history factors (such as metabolic rate, nest building, or sociality) in combination with microhabitat and vertical partitioning allow coexistence between these species rather than microhabitat segregation alone.
Habitat Selection And Agonistic Behavior In White Footed Mice Peromyscus Leucopus
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Author : Cynthia L. Hull
language : en
Publisher:
Release Date : 1995
Habitat Selection And Agonistic Behavior In White Footed Mice Peromyscus Leucopus written by Cynthia L. Hull and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Peromyscus leucopus categories.
Effects Of Forest Fragmentation On The Abundance Distribution And Population Genetic Structure Of White Footed Mice Peromyscus Leucopus
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Author : Christine Schandorsky Anderson
language : en
Publisher:
Release Date : 2004
Effects Of Forest Fragmentation On The Abundance Distribution And Population Genetic Structure Of White Footed Mice Peromyscus Leucopus written by Christine Schandorsky Anderson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Fragmented landscapes categories.
Fragmentation of forests has led to the creation of forest patches that differ in size, proportion of edge habitat, and degree of isolation. Although densities of many mammalian species are positively related to patch area, there appears to be a general negative relationship between density of white-footed mice (Peromyscus leucopus) and patch area. In Chapters 2 - 5, I investigated both resource-based (i.e., vegetation characteristics) and dispersal-based (i.e., inhibited dispersal and sink) hypotheses to explain the negative density - area relationship using live-trapping data and DNA-microsatellite analyses. As an extension of how forest fragmentation may affect movements by this habitat generalist into and out of habitats, in Chapter 6 I focused on how patch isolation influences population genetic structure. Data were collected from 1999 to 2001 in 15 different patches of various sizes and degrees of isolation. I confirmed that relative abundance of P. leucopus was negatively related to forest patch area (Chapter 2). My results indicated that relative abundance of P. leucopus was positively related to structural complexity of understory vegetation and total basal area of trees, and tended to be negatively related to the species richness of trees (Chapter 2 and 3). Although I was unable to differentiate whether understory vegetation results in higher relative abundances due to food or cover, the results suggest that vegetation characteristics contribute to the negative density - area relationship. Based on live-trapping data and DNA-microsatellite analyses, I rejected both dispersal-based hypotheses to explain the effect of patch area on relative abundance of P. leucopus (Chapters 4 and 5). Within-population genetic variation was high across populations, and only 50% of individuals could be assigned to their population of capture based on multilocus genotypes, suggesting high rates of gene flow. Degree of isolation and landscape structure had a small but significant influence on population genetic structure in this species (Chapter 6). This project illustrates the habitat generalist behavior and good dispersal ability of white-footed mice, but it appears that both abiotic and biotic factors, including competition and predation, are important in explaining the effects of forest fragmentation on P. leucopus.
Microhabitat Use And Foraging Activity Of White Footed Mice Peromyscus Leucopus From Optimal And Suboptimal Habitats
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Author : Kathleen A. Schroeck
language : en
Publisher:
Release Date : 1997
Microhabitat Use And Foraging Activity Of White Footed Mice Peromyscus Leucopus From Optimal And Suboptimal Habitats written by Kathleen A. Schroeck and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Peromyscus leucopus categories.
Structural Habitat Correlates Of Population Dynamics Of The White Footed Mouse Peromyscus Leucopus
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Author : James Michael Novak
language : en
Publisher:
Release Date : 1981
Structural Habitat Correlates Of Population Dynamics Of The White Footed Mouse Peromyscus Leucopus written by James Michael Novak and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with categories.
Orientation To The Habitat In The White Footed Mouse Peromyscus Leucopus Noveboracensis
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Author : Ronald Everett Barry (Jr.)
language : en
Publisher:
Release Date : 1978
Orientation To The Habitat In The White Footed Mouse Peromyscus Leucopus Noveboracensis written by Ronald Everett Barry (Jr.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Peromyscus leucopus categories.