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Monday, July 20, 2020 | History

1 edition of Body Composition Dynamics of a Small Herbivore, the Meadow Vole (Microtus Pennsylvanicus) found in the catalog.

Body Composition Dynamics of a Small Herbivore, the Meadow Vole (Microtus Pennsylvanicus)

Body Composition Dynamics of a Small Herbivore, the Meadow Vole (Microtus Pennsylvanicus)

A Field and Laboratory Perspective

  • 127 Want to read
  • 11 Currently reading

Published by Storming Media .
Written in English

    Subjects:
  • MED005000

  • The Physical Object
    FormatSpiral-bound
    ID Numbers
    Open LibraryOL11850169M
    ISBN 101423558693
    ISBN 109781423558699

      Animals. The meadow voles used in the study were 4 th –6 th generation captive animals born and raised in a room that was maintained between 23–25° C and under long photoperiod ( h light: dark, lights on at h, C ST). This photoperiod simulates the day length during the breeding season in free-living meadow voles (Zucker et al. ).All the female meadow voles used in the . Herbivore sets are perfect for travel or trying something new.

    Global atmospheric change is influencing the quality of plants as a resource for herbivores. We investigated the impacts of elevated carbon dioxide (CO 2) and ozone (O 3) on the phytochemistry of two forbs, Solidago canadensis and Taraxacum officinale, and the subsequent feeding behavior and growth performance of weanling prairie voles (Microtus ochrogaster) feeding on those plants. Introduction. The interactions between plants and herbivores are among the most important ecological interactions in nature. Approximately three‐quarters of earth’s extant macroscopic biodiversity and biomass is a plant or an herbivorous arthropod, nematode, mollusk or vertebrate (Strong, Lawton & Southwood ; Wilson ) ().These herbivores consume over 15% of the biomass produced.

    Large Herbivore Ecology, Ecosystem Dynamics and Conservation This book deals with the scientific basis for the management of these systems. Changes in tree species composition Temporal and spatial variations in herbivore densities Conclusions Acknowledgements Whilst herbivore consumption rates may increase with body mass to a power of herbivores affect plant abundance, with others including trampling, and herbivore‐induced changes in nutrient availability (e.g. through faecal deposition.


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Body Composition Dynamics of a Small Herbivore, the Meadow Vole (Microtus Pennsylvanicus) Download PDF EPUB FB2

Body Composition Dynamics of a Small Herbivore, the Meadow Vole (Microtus Pennsylvanicus): A Field and Laboratory Perspective [Edward T. Unangst] on *FREE* shipping on qualifying offers. Body Composition Dynamics of a Small Herbivore, the Meadow Vole (Microtus Pennsylvanicus): A Field and Laboratory Perspective.

Body composition dynamics of a small herbivore, the meadow vole, (Microtus pennsylvanicus): a field and laboratory perspective / Article (PDF Available) January with 67 Reads How we.

Body composition of a small herbivore, the meadow vole, a field and laboratory perspective. Ph.D. Dissertation, Colorado State University, pages.

Google ScholarCited by: 2. Herbivores and plant performance. Herbivores and plant vigour. Plant compensation. Herbivores and plant fitness. Overgrazing. Herbivores and plant genetics.

Herbivores and atmospheric CO 2. Herbivores and plant population dynamics. Case studies. Herbivores and plant diversity. Herbivores and plant succession. SummaryCited by: The new edition of Human Body Composition is the most complete text in the burgeoning field of body composition research.

The book covers the full range of methods to assess body composition, including dual-energy X-ray absorptiometry, electrical impedance, and imaging techniques. Maintaining the focus of the first edition as a definitive research guide, this resource incorporates updated 4/5(6).

A field study of growth, in terms of both linear dimensions and weight, was made by successively trapping the small winter—active mammals found Body-Composition Dynamics in Meadow Voles (Microtus pennsylvanicus) of William Z.

Lidicker, Microhabitat heterogeneity and population ecology of an herbivorous rodent, Microtus. The rise of Diadema is thought to be driven by the loss of predators and competing herbivores 39; therefore the loss of Diadema can be expected to have impacts on herbivore composition.

Timothy D. Schowalter, in Insect Ecology (Third Edition), Herbivory, the feeding on living plant parts by animals, is a key ecosystem process that has widely recognized effects on primary production and on vegetation structure and chapter gives an overview of herbivores.

The effect of herbivory depends on herbivore feeding type and intensity. herbivore effects would lead to lower abovegroundpro-ductivity and total soil N. To address these predictions, we examined the ef-fects of 7 yr of herbivore exclusion on plant dynamics and cycling of N and C in this savanna.

We measured plant productivity, species composition, and tissue N and C in response to a replicated set of herbivore ex. Ctenomys talarum is a subterranean herbivorous rodent whose burrow systems exhibit particular characteristics, distinct from other subterranean environments.

We studied seasonal variation in body composition of C. talarum in relation to energetic requirements. Body lipid content seasonally changed in C. talarum, related to reproductive cycle and thermorregulatory mechanisms. Body-composition dynamics in meadow voles (Microtus pennsylvanicus) were examined by noninvasive EM-SCAN® methods for 12 mo.

At the population level, body mass and fat-free mass varied seasonally. Abstract: This book is about the population dynamics of plants and the animals that feed on them. The aim is to show how plant numbers, sizes, chemical composition and spatial distribution affect the birth- death- and dispersal rates of their herbivores (a term.

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Small rodents, meadow voles grow between 5 and 8 inches in length. Their tails are almost half as long as their bodies and they're covered in dense gray or brown fur that's often peppered with black and red.

Males and females of the species appear similar in both size and color. As is the case with most rodents, meadow voles have two pairs of. Abstract. Harestad & Bunnell () showed that, at least for North American species, home ranges of large herbivorous mammals are relatively larger than we would expect on metabolic grounds, and suggested that the productivity of the environment for mammal species decreases with increasing body size.

Meadow voles have a home range size relative to their sex. Males have a much larger home range than females. The home ranges of males are m^2 while the home ranges of females are m^2. Female meadow voles are territorial of only about 38 m^2 of their home ranges.

(Elbroch and Rinehart, ; Naughton, ) Communication and. Meadow voles (Microtus pennsylvanicus) are small rodents, measuring 5 to 8 inches in length.

Widely distributed across North America, these voles are the most common in the area. Most commonly found in meadows and lowland fields, they will also reside in flooded marshes, orchards or grassy, open woodlands. A range of. This book is intended for students and research workers in all areas of ecology as well as those working in the field of pest control, grazing and wildlife management, forestry and conservation.

There are chapters on plant populations, animal populations, plant--herbivore dynamics and community dynamics in which models are used to explain interactions. and small Zooplankton (body size, and composition of plankton. Assumptions:. Large zooplankton assumed to be superior competitors for food.

(phytoplankton) because of greater filtering efficiency. This book addresses the scientifically based action plans to manage both the large herbivore populations and their habitats worldwide. It covers the processes by which large herbivores not only affect their environment (e.g.

grazing) but are affected by it (e.g. nutrient cycling) and the management strategies required. ABSTRACT.-We evaluated the effect of dietary fat on body fat of meadow voles (Microtus pennsylvanicus) in the field after a 6-wk supplemental feeding period with a 25% dietary-fat food.

The initial 3-wk period showed no difference in body composition, but, after 6-wk, 33% of captures showed body fat exceeding 10%, levels atypical of wild.dynamics varies systematically among ecosystems or habitats. I focus on effects of herbivores on plant diversity, species composition, standing crop, and productivity, and I compare results from terrestrial, aquatic, and marine ecosystems of various types.

Effects of herbivores ramify to higher trophic. Global atmospheric change is influencing the quality of plants as a resource for herbivores.

We investigated the impacts of elevated carbon dioxide (CO2) and ozone (O3) on the phytochemistry of two forbs, Solidago canadensis and Taraxacum officinale, and the subsequent feeding behavior and growth performance of weanling prairie voles (Microtus ochrogaster) feeding on those .