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Dynamic Food Webs, Volume 3 - Multispecies Assemblages, Ecosystem Development and Environmental Change (Hardcover): Peter C. de... Dynamic Food Webs, Volume 3 - Multispecies Assemblages, Ecosystem Development and Environmental Change (Hardcover)
Peter C. de Ruiter, Volkmar Wolters, John C. Moore
R3,311 Discovery Miles 33 110 Ships in 12 - 17 working days

Dynamic Food Webs challenges us to rethink what factors may determine ecological and evolutionary pathways of food web development. It touches upon the intriguing idea that trophic interactions drive patterns and dynamics at different levels of biological organization: dynamics in species composition, dynamics in population life-history parameters and abundances, and dynamics in individual growth, size and behavior. These dynamics are shown to be strongly interrelated governing food web structure and stability and the role of populations and communities play in ecosystem functioning.
Dyanmic Food Webs not only offers over 100 illustrations, but also contains 8 riveting sections devoted to an understanding of how to manage the effects of environmental change, the protection of biological diversity and the sustainable use of natural resources.
Dyanmic Food Webs is a volume in the "Theoretical Ecology" series.
* Relates dynamics on different levels of biological organization: individuals, populations, and communities
* Deals with empirical and theoretical approaches
* Discusses the role of community food webs in ecosystem functioning
* Proposes methods to assess the effects of environmental change on the structure of biological communities and ecosystem functioning
* Offers an analyses of the relationship between complexity and stability in food webs

Ein neuer Gesellschaftsvertrag fur eine nachhaltige Landwirtschaft - Wege zu einer integrativen Politik fur den Agrarsektor... Ein neuer Gesellschaftsvertrag fur eine nachhaltige Landwirtschaft - Wege zu einer integrativen Politik fur den Agrarsektor (German, Hardcover, 1. Aufl. 2019)
Peter H Feindt, Christine Kramer, Andrea Fruh-Muller, Alois Heissenhuber, Claudia Pahl-Wostl, …
R1,553 Discovery Miles 15 530 Ships in 12 - 17 working days

Die Landwirtschaft in Deutschland, Europa und weltweit befindet sich in einem dramatischen Umbruchprozess. Einerseits bieten Liberalisierung und Marktoeffnung, neue technologische Entwicklungen, die wachsende Weltbevoelkerung und neue Kundenwunsche vielen landwirtschaftlichen Betrieben neue Moeglichkeiten. Andererseits stehen viele Landwirtinnen und Landwirte in internationaler Konkurrenz, sind zum betrieblichen Wachstum mit hohem Investitionsrisiko gezwungen, sind Teil strikt regulierter Wertschoepfungsketten und mussen steigenden gesellschaftlichen Anspruchen genugen. Zugleich machen sich viele Menschen Sorgen, dass die Prozesse der Rationalisierung und Modernisierung der landwirtschaftlichen Produktion auf Kosten von Natur-, Umwelt- und Tierschutz gehen. Auf vielen Ebenen wird daher bereits nach einer neuen Verstandigung daruber gesucht, was die Gesellschaft von der Landwirtschaft erwartet, und welche Unterstutzung die Landwirtinnen und Landwirte im Gegenzug dafur erwarten durfen. Vor diesem Hintergrund entwickelt das vorliegende Open Access-Buch eine wissenschaftlich fundierte Kritik der Umweltauswirkungen der Landwirtschaft und der politischen Logik der Agrarpolitik. Es prasentiert ein neues Leitbild mit konkreten Indikatoren sowie alternative strategische Handlungsoptionen. Die umfassende Analyse wird zu einem Vorschlag fur eine neue Architektur der europaischen Agrarpolitik gebundelt, die eine breite Diskussion um einen Neuen Gesellschaftsvertrag fur die Landwirtschaft in Deutschland und Europa anstossen soll.

Adaptive Food Webs - Stability and Transitions of Real and Model Ecosystems (Hardcover): John C. Moore, Peter C. de Ruiter,... Adaptive Food Webs - Stability and Transitions of Real and Model Ecosystems (Hardcover)
John C. Moore, Peter C. de Ruiter, Kevin S. Mccann, Volkmar Wolters
R2,363 Discovery Miles 23 630 Ships in 12 - 17 working days

Presenting new approaches to studying food webs, this book uses practical management and policy examples to demonstrate the theory behind ecosystem management decisions and the broader issue of sustainability. All the information that readers need to use food web analyses as a tool for understanding and quantifying transition processes is provided. Advancing the idea of food webs as complex adaptive systems, readers are challenged to rethink how changes in environmental conditions affect these systems. Beginning with the current state of thinking about community organisation, complexity and stability, the book moves on to focus on the traits of organisms, the adaptive nature of communities and their impacts on ecosystem function. The final section of the book addresses the applications to management and sustainability. By helping to understand the complexities of multispecies networks, this book provides insights into the evolution of organisms and the fate of ecosystems in a changing world.

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