Thesis--Christian-Albrechts-Universität zu Kiel. / Vita. Includes bibliographical references.

Thesis--University of Wisconsin--Madison. / Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 229-236).

Thesis (Ph. D.)--University of Wisconsin--Madison, 1968. / Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references.

Thesis (M.S. in zoology)--Washington State University, August 2006. / Includes bibliographical references (p. 14-18).

Thesis (Ph. D.)--University of Texas at Austin, 2005. / Supervisor: Daniel T. Jaffe. Vita. Includes bibliographical references.

Theses (M.A.)--Marshall University, 2007. / Title from document title page. Includes abstract. Document formatted into pages: contains iv, 87 pages including illustrations. Bibliography: p. 85-87.

Thesis (M.M.) Florida State University, 2005. / Advisor: Jane Piper Clendinning, Florida State University, College of Music. Title and description from dissertation home page (viewed 7-12-07). Document formatted into pages; contains 62 pages. Includes biographical sketch. Includes bibliographical references.

Thesis (M.S.)--Villanova University, 2006. / Biology Dept. Includes bibliographical references.

Thesis (Ph. D.)--University of Sydney, 2001. / Title from title screen (viewed January 19, 2009) Submitted in fulfilment of the requirements for the degree of Doctor of Philosophy to the School of Biological Sciences, Faculty of Science. Includes bibliographical references. Also available in print form.

Thesis (Ph.D.)--Boston University / PLEASE NOTE: Boston University Libraries did not receive an Authorization To Manage form for this thesis or dissertation. It is therefore not openly accessible, though it may be available by request. If you are the author or principal advisor of this work and would like to request open access for it, please contact us at open-help@bu.edu. Thank you. / This thesis examines the intrinsic and extrinsic factors that influence the reproductive strategy of a temperate insectivorous bat, Myotis lucifugus. Body composition was measured using both direct analysis (dehydration and fat extraction) and total body electrical conductivity (TOBEC) analysis. Changes in body composition during the reproductive season show that both fat and mineral stores are mobilized during lactation. However, the changes were small relative to the level of reproductive effort supporting the hypothesis that small insectivorous bats use direct-costing to meet the costs of reproduction. An increase in size of the digestive tract suggests that increased foraging capacity is an important component of this strategy. Changes in body composition in young bats show a two-week period of linear postnatal growth followed by a rapid transition to adult body composition. By the end of August, young bats had achieved a mass-specific body composition similar to post-lactating adult females, although they had a smaller body mass. Body composition did not influence any of the reproductive traits investigated in the present study. Young bats born early in the parturition period had a higher postnatal growth rate, suggesting that time-dependent effects influence reproductive strategy in Myotis lucifugus. Sex-dependent influences suggest that maternal costs are higher when producing female young: female offspring 1) had a higher postnatal growth rate, 2) had more body fat at weaning, 3) were born earlier and remained with the mother longer than male offspring. High levels of precipitation during early pregnancy resulted in a delayed parturition period and a male-biased sex-ratio at birth. High levels of precipitation in late summer increased overwinter recapture rate in adult females. Low ambient temperature in early summer reduced the reproductive rate and level of reproductive synchrony. Low temperatures in late summer reduced overwinter recapture rate in yearling bats. These extrinsiv factors may influence the energy budget of M. lucifugus by increasing thermoregulatory costs and reducing foraging opportunity or prey availability. Thus intrinsic factors influenced some of the within-season variation in reproductive traits, whereas extrinsic factors primarily affected between-year variation. / 2031-01-02