WorldCat Identities

John, Christian

Overview
Works: 9 works in 12 publications in 2 languages and 44 library holdings
Genres: Academic theses 
Roles: Author, Contributor
Publication Timeline
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Most widely held works by Christian John
Optimal Dirichlet boundary control problems of high-lift configurations with control and integral state constraints by Christian John( )

3 editions published in 2011 in English and held by 31 WorldCat member libraries worldwide

Stadtmarketing in der Schweiz : vom Verwalten zum Gestalten by Christian John( Book )

2 editions published in 1998 in German and held by 5 WorldCat member libraries worldwide

Morphometrische Untersuchung zur quantitativen Histoarchitektur des Bindegewebes gesunder und unterschiedlich veränderter marginaler Gingiva by Christian John( Book )

1 edition published in 1977 in German and held by 2 WorldCat member libraries worldwide

Divided We Fall : The Case against Divided Government by Christian John( Book )

1 edition published in 2011 in English and held by 1 WorldCat member library worldwide

Against the Spring Wave : Ungulate Migration Phenology in a Changing Arctic by Christian John( )

1 edition published in 2016 in English and held by 1 WorldCat member library worldwide

Migration is a widespread adaptation to seasonal variability in resource distribution and availability. Through effects on resource phenology, composition, and abundance, climate change may disrupt the predictability of seasonal patterns of resource availability, with consequences for migratory timing and resource tracking by consumers. These impacts may be especially pronounced in the Arctic, where recent climatic warming is in excess of twice the global average. For long-distance migrants, the Green Wave Hypothesis has served as a broadly applicable framework for understanding the role of spatially propagating resource phenology in spring migration departure from wintering grounds, migratory rate, and timing of arrival at summer breeding grounds. While avian migrants and subarctic ungulates have been the focus of previous research on this topic, little focus has been placed to date on the impacts of climate change on ungulate migration phenology in the Arctic. Here, I use a framework based on the predictions of the Green Wave Hypothesis to investigate climatic effects on caribou (Rangifer tarandus) migration in a low-Arctic system. I begin in Chapter 2 by quantifying the spring wave in vegetation green-up phenology, finding that an unexpected trend in its direction of propagation is related to a suite of abiotic conditions including temperature, precipitation, and sea ice extent. Chapter 3 is an examination of caribou migration phenology, and the results presented therein suggest that the timing of arrival on the calving grounds is entrained by photoperiod, but is influenced secondarily by population density and timing of green-up
Morphometrische Untersuchung des Bindegewebes gesunder und unterschiedlich veränderter Marginaler Gingiva by Christian John( )

1 edition published in 1978 in German and held by 1 WorldCat member library worldwide

Stadtmarketing in der Schweiz : ein marktorientiertes Konzept für Städte und Gemeinden zwischen Idee und Wirklichkeit by Christian John( Book )

1 edition published in 1997 in German and held by 1 WorldCat member library worldwide

Stadtmarketing in der Schweiz( Book )

1 edition published in 1998 in German and held by 1 WorldCat member library worldwide

Elektromobilität mögliche Nutzungskonzepte für die Polizei Brandenburg by Christian John( Book )

1 edition published in 2017 in Undetermined and held by 1 WorldCat member library worldwide

 
Audience Level
0
Audience Level
1
  Kids General Special  
Audience level: 0.91 (from 0.57 for Morphometr ... to 0.97 for Against th ...)

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