Physicochemical properties and fish occurrence in 35 Icelandic lakes housing Arctic charr (Salvelinus alpinus)

The common occurrence of parallel phenotypic patterns suggests that a strong relationship exists between ecological dynamics and micro-evolution. Comparative studies from a large number of populations under varying sets of ecological drivers could contribute to a better understanding of this relationship. We used data on morphology of arctic charr (Salvelinus alpinus) and ecological factors from 35 Icelandic lakes to test the hypothesis that morphological patterns among monomorphic charr populations from different lakes are related to interlake variation in ecological characteristics. There is extensive phenotypic diversity among populations of Icelandic charr, and populations are easily distinguished based on overall body morphology. The results obtained in the present study showed that the morphological diversity of charr was related to large-scale diversity in lake ecology. Variation in charr morphology was related to water origin (e.g. spring fed versus run-off), bedrock age, and fish community structure. The present study shows how various ecological factors can shape the biological diversity that we observe.

Use of phosphorous mapping and sea-level change data in assessing coastal activity zones and establishing site chronology : A case study from the Icelandic multi-period site of Vatnsfjörður

This paper forms part of Lukasz Mikolajczyk's PhD dissertation, which is supervised by Karen Milek

Sights for Sounds: The Roles of Illuminated Initials in Italian Music Manuscripts

The scholarship on illuminated initials is substantial, yet there is a significant absence of information when discussing the initials found in music manuscripts specifically. In this paper, I endeavor to supplement the current scholarship by focusing my research on music manuscripts produced in Italy between 1250 and 1500 A.D. in order to provide examples of the relationships between image, music, and text in the context of use. I use mainly iconographic research methods, though a considerable amount of background information is reliant on the research of other authors in the field of medieval philosophy and theology. Through my research I have concluded that the use of illuminated initials in medieval Italian music manuscripts enhances the function of the manuscript by providing another layer of understanding which audience members could use to aid them in their meditation, prayer, and in the performance of the music.