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Climate variability and its effects on regional hydrology: a case study for the Baltic Sea drainage basin

As climate models can be used to reproduce historical climates, the outcomes can be used to put climate extremes in to a proper historical perspective. This also allows investigation of nonlinear properties of hydrologic processes (e. g. precipitation, runoff) to better understand regional hydrologic dynamics. To this end, the present study uses results from a so-called 'paleosimulation' (i.e. sim

Context, Behavior, and Evolution: Challenges in Research on Boards and Governance

In this article, we present an overview of empirical research on boards and governance in leading U.S. and international academic journals in general management. Samples, methods, theories, and main concepts are presented and compared. The contributions are positioned with respect to contingency perspectives, behavioral perspectives, and evolutionary perspectives. Through an analysis of 127 empiri

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Abstract in Danish Kapitler handler om, hvad alder er, og hvordan menneskers livssituation former mennesker gennem livet mere end en kronologisk alder. Vi ældes fra vi er midt i 20'erne, og det er en nødvendighed for at være i livet.

Disruption of moth mating behaviour by olfactory and auditory cues

Popular Abstract in Swedish Kärleksdofter och varningsljud i bekämpning av nattfjärilar Jag har studerat hur populationer av skadegörande nattfjärilar kan bekämpas med miljövänliga metoder där djurens egna sinnessystem manipuleras. Liksom många andra insekter kommunicerar nattfjärilar med artspecifika doftsignaler (feromoner) vid parning. Honan avger doften i enstaka nanogram (miljarddels gram!) The impact of olfactory and auditory cues on the mating behaviour in two species of moths, Agrotis segetum (Noctuidae) and Plodia interpunctella (Pyralidae), was investigated to evaluate their potential use in integrated pest management. The flight behaviour of male A. segetum under natural and pheromone-based mating disruption conditions was monitored by harmonic radar. Individual males were equi

Affine and Projective Normalization of Planar Curves and Regions

Recent research has shown that invariant indexing can speed up the recognition process in computer vision. Extraction of invariant features can be done by choosing first a canonical reference frame, and then features in this reference frame. This paper gives methods for extracting invariants for planar curves under affine and projective transformations. The invariants can be used semilocally to re