Search for dissertations about: "reproductive investment"
Showing result 1 - 5 of 33 swedish dissertations containing the words reproductive investment.
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1. Age, Longevity and Life-History Trade-Offs in the Collared Flycatcher (Ficedula albicollis)
Abstract : Age is often a neglected factor in ecological studies. However, age-related changes in reproduction and survival of organisms may strongly influence population dynamics. READ MORE
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2. Reproductive investment in Syngnathus typhle, the broad-nosed pipefish
Abstract : Manuscripts: 1 - Reproductive compensation by broad-nosed pipefish females. 2 - Male size is a predictor of quality of parental care in the broad-nosed pipefish... READ MORE
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3. Reproductive allocation and costs of reproduction in subarctic herbs : A resource-based perspective
Abstract : The influence of internal and external factors on two major plant life history components, i.e., reproductive allocation and costs of reproduction, was examined for nine perennial herbs in subarctic Swedish Lapland. In one study, comparisons were made between Sweden and the French Alps. READ MORE
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4. Dynamics of the aphid-ant mutualism
Abstract : An appreciation of the role of mutualism is essential when studying ecology and evolution in most ecosystems. Information covering aspects of mutualistic interactions can serve as a complement to the somewhat one-sided perspective from the 1950’s and 60’s that is used when teaching biology. READ MORE
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5. Female reproductive strategies and sexual conflicts in a polygynous mating system
Abstract : In this thesis, I have investigated conflicts of interest in the facultatively polygynous European starling (Sturnus vulgaris) with a focus on female reproductive strategies. The extent to which males provided parental care was a key issue in understanding the mating system of the starling. READ MORE