Empirical Agent-Based Modelling - Challenges and Solutions

Empirical Agent-Based Modelling - Challenges and Solutions

Author: Alexander Smajgl

Publisher: Springer Science & Business Media

Published: 2013-09-12

Total Pages: 254

ISBN-13: 1461461340

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This instructional book showcases techniques to parameterise human agents in empirical agent-based models (ABM). In doing so, it provides a timely overview of key ABM methodologies and the most innovative approaches through a variety of empirical applications. It features cutting-edge research from leading academics and practitioners, and will provide a guide for characterising and parameterising human agents in empirical ABM. In order to facilitate learning, this text shares the valuable experiences of other modellers in particular modelling situations. Very little has been published in the area of empirical ABM, and this contributed volume will appeal to graduate-level students and researchers studying simulation modeling in economics, sociology, ecology, and trans-disciplinary studies, such as topics related to sustainability. In a similar vein to the instruction found in a cookbook, this text provides the empirical modeller with a set of 'recipes' ready to be implemented. Agent-based modeling (ABM) is a powerful, simulation-modeling technique that has seen a dramatic increase in real-world applications in recent years. In ABM, a system is modeled as a collection of autonomous decision-making entities called “agents.” Each agent individually assesses its situation and makes decisions on the basis of a set of rules. Agents may execute various behaviors appropriate for the system they represent—for example, producing, consuming, or selling. ABM is increasingly used for simulating real-world systems, such as natural resource use, transportation, public health, and conflict. Decision makers increasingly demand support that covers a multitude of indicators that can be effectively addressed using ABM. This is especially the case in situations where human behavior is identified as a critical element. As a result, ABM will only continue its rapid growth. This is the first volume in a series of books that aims to contribute to a cultural change in the community of empirical agent-based modelling. This series will bring together representational experiences and solutions in empirical agent-based modelling. Creating a platform to exchange such experiences allows comparison of solutions and facilitates learning in the empirical agent-based modelling community. Ultimately, the community requires such exchange and learning to test approaches and, thereby, to develop a robust set of techniques within the domain of empirical agent-based modelling. Based on robust and defendable methods, agent-based modelling will become a critical tool for research agencies, decision making and decision supporting agencies, and funding agencies. This series will contribute to more robust and defendable empirical agent-based modelling.


Mesophotic Coral Ecosystems

Mesophotic Coral Ecosystems

Author: Yossi Loya

Publisher: Springer

Published: 2019-05-22

Total Pages: 984

ISBN-13: 3319927353

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This book summarizes what is known about mesophotic coral ecosystems (MCEs) geographically and by major taxa. MCEs are characterized by light-dependent corals and associated communities typically found at depths ranging from 30-40 m. and extending to over 150 m. in tropical and subtropical ecosystems. They are populated with organisms typically associated with shallow coral reefs, such as macroalgae, corals, sponges, and fishes, as well as specialist species unique to mesophotic depths. During the past decade, there has been an increasing scientific and management interest in MCEs expressed by the exponential increase in the number of publications studying this unique environment. Despite their close proximity to well-studied shallow reefs, and the growing evidence of their importance, our scientific knowledge of MCEs is still in its early stages. The topics covered in the book include: regional variation in MCEs; similarities and differences between mesophotic and shallow reef taxa, biotic and abiotic conditions, biodiversity, ecology, geomorphology, and geology; potential connectivity between MCEs and shallow reefs; MCE disturbances, conservation, and management challenges; and new technologies, key research questions/knowledge gaps, priorities, and future directions in MCE research.


Following the Proceeds of Environmental Crime

Following the Proceeds of Environmental Crime

Author: Gregory Rose

Publisher: Routledge

Published: 2014-06-27

Total Pages: 215

ISBN-13: 1134443056

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Huge quantities of natural resources are illegally harvested and their proceeds laundered in the Asia-Pacific region, fostering corruption and undermining environmental governance. Most illegal exploitation and pollution occurs in countries with poor governance capacities, but much of the sale for profit and money laundering occurs in mature markets with well-developed governance capacities. Their asymmetrical enforcement capacities can complement each other. This book explores ways to combat illegal fishing and logging in Asia-Pacific region by the use of cooperative legal measures, particularly anti-money laundering and confiscation of proceeds techniques. Contributors to this volume cover themes including: the nature of transnational environmental crime; patterns in laundering of illicit fish and forest products; networks for distribution of illicit products; weaknesses in current systems for assurance of the legality of products; and international legal cooperation to enforce anti-money laundering laws in relation to illicit products. In considering these topics the book explores how the innovative use of anti-money laundering measures and the seizure of criminal proceeds can as policy options to combat transnational fishery and forestry crimes. The book will be of keen interest to scholars and students of environmental law and criminal law, and excellent use for practitioners in natural resources conservation law.


Solving Complex Ocean Challenges Through Interdisciplinary Research: Advances from Early Career Marine Scientists

Solving Complex Ocean Challenges Through Interdisciplinary Research: Advances from Early Career Marine Scientists

Author: Stephanie Brodie

Publisher: Frontiers Media SA

Published: 2022-06-01

Total Pages: 506

ISBN-13: 2889763013

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The Topic Editors Stephanie Brodie, Christopher Cvitanovic, Maria Grazia Pennino, Jon Lopez and André Frainer declare that they are members of the IMBeR (Integrated Marine Biosphere Research) network and IMECaN (Interdisciplinary Marine Early Career Network) and are collaborating with the IMBeR research community.


The Great Barrier Reef

The Great Barrier Reef

Author: Pat Hutchings

Publisher: CSIRO PUBLISHING

Published: 2008-11-07

Total Pages: 396

ISBN-13: 0643099972

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The Great Barrier Reef Marine Park is 344 400 square kilometres in size and is home to one of the most diverse ecosystems in the world. This comprehensive guide describes the organisms and ecosystems of the Great Barrier Reef, as well as the biological, chemical and physical processes that influence them. Contemporary pressing issues such as climate change, coral bleaching, coral disease and the challenges of coral reef fisheries are also discussed. In addition,the book includes a field guide that will help people to identify the common animals and plants on the reef, then to delve into the book to learn more about the roles the biota play. Beautifully illustrated and with contributions from 33 international experts, The Great Barrier Reef is a must-read for the interested reef tourist, student, researcher and environmental manager. While it has an Australian focus, it can equally be used as a baseline text for most Indo-Pacific coral reefs. Winner of a Whitley Certificate of Commendation for 2009.


A Research Review of Interventions to Increase the Persistence and Resilience of Coral Reefs

A Research Review of Interventions to Increase the Persistence and Resilience of Coral Reefs

Author: National Academies of Sciences, Engineering, and Medicine

Publisher: National Academies Press

Published: 2019-05-05

Total Pages: 259

ISBN-13: 0309485355

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Coral reef declines have been recorded for all major tropical ocean basins since the 1980s, averaging approximately 30-50% reductions in reef cover globally. These losses are a result of numerous problems, including habitat destruction, pollution, overfishing, disease, and climate change. Greenhouse gas emissions and the associated increases in ocean temperature and carbon dioxide (CO2) concentrations have been implicated in increased reports of coral bleaching, disease outbreaks, and ocean acidification (OA). For the hundreds of millions of people who depend on reefs for food or livelihoods, the thousands of communities that depend on reefs for wave protection, the people whose cultural practices are tied to reef resources, and the many economies that depend on reefs for fisheries or tourism, the health and maintenance of this major global ecosystem is crucial. A growing body of research on coral physiology, ecology, molecular biology, and responses to stress has revealed potential tools to increase coral resilience. Some of this knowledge is poised to provide practical interventions in the short-term, whereas other discoveries are poised to facilitate research that may later open the doors to additional interventions. A Research Review of Interventions to Increase the Persistence and Resilience of Coral Reefs reviews the state of science on genetic, ecological, and environmental interventions meant to enhance the persistence and resilience of coral reefs. The complex nature of corals and their associated microbiome lends itself to a wide range of possible approaches. This first report provides a summary of currently available information on the range of interventions present in the scientific literature and provides a basis for the forthcoming final report.


Identifying and Comparing Important Areas for Marine Sustainable Use and Conservation

Identifying and Comparing Important Areas for Marine Sustainable Use and Conservation

Author: Sofie Van Parijs

Publisher: Frontiers Media SA

Published: 2024-05-24

Total Pages: 342

ISBN-13: 2832548644

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The ocean is under increasing threat from the expansion of human activities. The combined impacts of these threats as well as the potential impacts of climate change and ocean acidification have placed thousands of species at risk of extinction, and have impaired the structure, function, productivity and resilience of marine ecosystems. Currently, some parts of the world's oceans are significantly impacted, yet are without any form of effective management. Only a small proportion of the oceans are within protected area systems. Globally, measures are being taken to increase protection and sustainable management, but application is uncoordinated and not always effective. In order to support effective policy action by countries and competent international and regional organizations, it is critical to build a sound understanding of the most ecologically and biologically important ocean areas that support healthy marine ecosystems so that the necessary steps to ensure the long-term function and resilience of these systems can be taken.