• external user (warningwarning)
  • Log in as
  • language uk
Record number 2246055
Title Exploring the effects of feedbacks on land system behaviour : a Complex Adaptive Systems approach
show extra info.
Yang Chen
Author(s) Chen, Yang (dissertant)
Publisher Wageningen : Wageningen University
Publication year 2018
Description 174 pages figures, diagrams
Description 1 online resource (PDF, 174 pages) figures, diagrams
Notes Includes bibliographical references. - With summary in English
ISBN 9789463433334; 9463433333
Tutors Bregt, Prof. dr. A.K. ; Bakker, Dr. M.M. ; Ligtenberg, Dr. A.
Graduation date 2018-10-15
Dissertation no. 7052
Author abstract show abstract

Land systems are Complex Adaptive Systems (CAS) — they are composed of heterogeneous and autonomous entities who interact with each other and with their environment. Land system dynamics take place at the interface of land use, soil, climate, market, technology and policy, in which processes are linked to each other in the form of feedbacks between subsystems and across scale levels. These feedbacks often result in nonlinear behaviour, which challenges our understanding and management of land systems. The ability of land system models to represent, investigate, and understand feedbacks is made possible, largely due to the recent developments in Agent-Based Models (ABM), which grow in parallel with CAS research. This thesis aims to contribute to the knowledge on the effects of feedbacks on land system behaviour. To do so I systematically review existing models and construct a series of ABMs to explore the effects of feedbacks. In Chapter 1, I introduce land systems as Complex Adaptive Systems, the importance of studying land system feedbacks, and the thesis outline. In chapter 2, I provide a review on the current state of the art regarding feedback representations in land models. In chapter 3, I introduce a stylised land use ABM in which feedbacks are incorporated to explore how they result in nonlinear system behaviour. In chapter 4, the stylised ABM is modified to explore under what conditions land system hysteresis emerge. In chapter 5, the complexity of the stylised ABM is further increased to assess land system resilience. Results are synthesised in chapter 6 to provide insights into land system complexity and the effects of feedbacks. The synthesis is followed by critical reflections on model representation and recommendations on land system science, modelling, and policymaking. To conclude, in this thesis feedbacks are explored in terms of their effects on complex land system behaviour. Specifically, feedbacks are found to exist between different subsystems and scale levels, to result in distinctive types of behaviour, to affect the existence of hysteresis, and to contribute to land system resilience.

Online Embargo on full text. Full text available from 2019-10-15
On paper Get the document, find related information or use other SFX services
Publication type PhD thesis
Language English
There are no comments yet. You can post the first one!
Post a comment

To support researchers to publish their research Open Access, deals have been negotiated with various publishers. Depending on the deal, a discount is provided for the author on the Article Processing Charges that need to be paid by the author to publish an article Open Access. A discount of 100% means that (after approval) the author does not have to pay Article Processing Charges.

For the approval of an Open Access deal for an article, the corresponding author of this article must be affiliated with Wageningen University & Research.

Please log in to use this service. Login as Wageningen University & Research user or guest user in upper right hand corner of this page.