How Much is an Ecosystem Worth?
How Much is an Ecosystem Worth?

Author:

Publisher: World Bank Publications

Published: 2005-01-01

Total Pages: 48

ISBN-13: 0821363794

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"The international community has committed itself to achieve, by 2010, a significant reduction of the current rate of biodiversity loss at the global, regional, and national levels. Yet, despite growing awareness, and major efforts in all countries, the latest evidence indicates that biodiversity continues to be lost at a terrifying pace, resulting in what some call the greatest mass extinction since dinosaurs roamed the planet, 65 million years ago. A range of methods have been developed to value ecosystems, and the services they provide, as well as the costs of conservation. The methods available are increasingly sensitive, and robust, but they are often incorrectly used. One reason is poor understanding of the purposes of valuation and what questions it can, or cannot, answer. As a result, decision makers may get misleading guidance on the value of ecosystems, and their conservation. In this context, the Bank, IUCN-The World Conservation Union, and the Nature Conservancy have worked together to clarify the aims and uses of economic valuation, focusing on the types of questions that valuation can answer, and the type of valuation that is best suited to each purpose. How Much is an Ecosystem Worth? is the result of that cooperation. It aims to provide guidance on how economic valuation can be used to address specific, policy-relevant questions about nature conservation."

Perspectives on Biodiversity
Perspectives on Biodiversity

Author: National Research Council

Publisher: National Academies Press

Published: 1999-10-01

Total Pages: 166

ISBN-13: 030906581X

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Resource-management decisions, especially in the area of protecting and maintaining biodiversity, are usually incremental, limited in time by the ability to forecast conditions and human needs, and the result of tradeoffs between conservation and other management goals. The individual decisions may not have a major effect but can have a cumulative major effect. Perspectives on Biodiversity reviews current understanding of the value of biodiversity and the methods that are useful in assessing that value in particular circumstances. It recommends and details a list of components-including diversity of species, genetic variability within and among species, distribution of species across the ecosystem, the aesthetic satisfaction derived from diversity, and the duty to preserve and protect biodiversity. The book also recommends that more information about the role of biodiversity in sustaining natural resources be gathered and summarized in ways useful to managers. Acknowledging that decisions about biodiversity are necessarily qualitative and change over time because of the nonmarket nature of so many of the values, the committee recommends periodic reviews of management decisions.

The Economic Value of Natural and Environmental Resource
The Economic Value of Natural and Environmental Resource

Author: Frew Hailu

Publisher: GRIN Verlag

Published: 2014-11-10

Total Pages: 40

ISBN-13: 3656834652

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Studienarbeit aus dem Jahr 2013 im Fachbereich VWL - Umweltökonomie, , Veranstaltung: Environmental Economics, Sprache: Deutsch, Abstract: Monetary valuation of environmental goods has by now become the subject of numerous economic books and articles. Interest in the topic seems to be increasing in the economics profession, and theoretical insight, methodological improvements and the numbers of empirical findings are expanding rapidly. The aim of such valuation is usually to incorporate environmental concerns into a cost-benefit analysis. Another purpose is to construct environmentally adjusted national income measures Environmental value estimates have also been combined with macroeconomic models, e.g. to estimate welfare effects of a climate treaty Further, estimated willingness to pay is now accepted in the USA as a basis for legal compensation claims for damages to natural resources caused by spill of hazardous substances (Nyborg, 1996) Valuation can simply be defined “as an attempt to put monetary values or to environmental goods and services or natural resources”. It is a key exercise in economic analysis and its results provide important information about values of environmental goods and services. This information can be used to influence decisions about wise use and conservation of forests and other ecosystems. The basic aim of valuation is to determine people’s preferences by gauging how much they are willing to pay (WTP) for given benefits or certain environmental attributes e.g. keep a forest ecosystem intact. In other words, valuation also tries to gauge how much worse off they would consider themselves to be as a result of changes in the state of the environment such as degradation of a forest. Economic valuation never refers to a stock, but only the change in a stock. If one speaks of the economic value of biodiversity, then one always means the economic value of a change of biodiversity. It is not a question of determining the ‘true’ value of biodiversity or ecosystems but valuing changes and comparing them with their alternatives, e.g. with a golf course vs without a golf course. Thus it is non-sense to ask “how much are the African National Parks worth?” A plausible question in this case would be: ‘WWF has proposed a new policy to prevent the huge losses of wildlife species from African National Parks. What is the monetary value of the benefits of this policy (i.e., the economic damages avoided)? Economists thus stress that the valuation should focus on changes rather than levels of biodiversity or ecosystem. [...]

The Economics of Biodiversity Conservation
The Economics of Biodiversity Conservation

Author: K. N. Ninan

Publisher: Earthscan

Published: 2012

Total Pages: 289

ISBN-13: 1849772975

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Economic valuation of biodiversity and ecosystem services is possibly the most powerful tool for halting the loss of biodiversity while maintaining incomes and livelihoods. Yet rarely have such approaches been applied to tropical forest ?hotspots?, which house the vast majority of the planets plant and animal species. This ground-breaking work is the most comprehensive and detailed examination of the economics of environmental valuation and biodiversity conservation to date. Focusing on the Western Ghats of India, one of the top biodiversity hotspots in the world, this volume looks at a cross-section of local communities living within or near sanctuaries and reserve forests such as coffee growers, indigenous people and farmers-cum-pastoralists to assess the use and non-use values that people derive from tropical forests. It also looks at the extent of their dependence on forests for various goods and services, and examines their perceptions and attitudes towards biodiversity conservation and wildlife protection. The book concludes with an assessment of the institutional alternatives and policies for promoting biodiversity conservation through economic valuation methods. Related titles Economics for Collaborative Environmental Management (2005) 1-84407-095-6

The Economic Value of Biodiversity
The Economic Value of Biodiversity

Author: David Pearce

Publisher: Routledge

Published: 2013-11-05

Total Pages: 187

ISBN-13: 1134165226

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Biodiversity loss is one of the major resource problems facing the world, and the policy options available are restricted by inappropriate economic tools which fail to capture the value of species and their variety. This study describes in non-technical terms how cost-benefit analysis techniques can be applied to species and species loss, and how they provide a measure of the efficiency of conservation measures. Only when conservation can be shown to pass such a basic economic test, the authors claim, will it be incorporated into policies.;David Pearce has also written Blueprint for a Green Economy.

Valuing Ecosystem Services
Valuing Ecosystem Services

Author: National Research Council

Publisher: National Academies Press

Published: 2005-05-14

Total Pages: 291

ISBN-13: 030909318X

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Nutrient recycling, habitat for plants and animals, flood control, and water supply are among the many beneficial services provided by aquatic ecosystems. In making decisions about human activities, such as draining a wetland for a housing development, it is essential to consider both the value of the development and the value of the ecosystem services that could be lost. Despite a growing recognition of the importance of ecosystem services, their value is often overlooked in environmental decision-making. This report identifies methods for assigning economic value to ecosystem servicesâ€"even intangible onesâ€"and calls for greater collaboration between ecologists and economists in such efforts.

Ecosystem Services
Ecosystem Services

Author: Clement Allan Tisdell

Publisher:

Published: 2012

Total Pages: 16

ISBN-13:

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The importance of taking account of the total economic value of ecosystems is stressed and the possible reasons why the Millennium Ecosystem Assessment (2005) emphasised the importance of ecosystem services for biodiversity conservation is discussed. It is suggested that the Millennium Ecosystem Assessment does not give enough attention to the disservices association with some ecosystems nor to the comparisons of the value of alternative ecosystems. Reasons why it is important to estimate the total economic value of ecosystems are outlined. It is argued that the economic valuation of ecosystems is of little value unless it compares the economic value of alternative ecosystems or forms of land use. Most published economic valuations of ecosystems fail to do this or only do it to a very limited extent. The cost of replacing ecosystem services if an ecosystem is lost is sometimes used to value its services. In most cases (but not all cases), this tends to over value the loss. This is illustrated using some simple graphs. There is also the further complication that if one type of ecosystem is replaced by another form of land or aquatic use, some ecosystem services may continue to be supplied, possibly in reduced quantities or qualities. In such cases, assuming that the pre-existing services are totally lost and need to be replaced completely overstates the economic value lost, or in other words, the value of retaining an existing ecosystem.

Handbook on the Economics of Ecosystem Services and Biodiversity
Handbook on the Economics of Ecosystem Services and Biodiversity

Author: Paulo A L D Nunes

Publisher: Edward Elgar Publishing

Published: 2014-06-27

Total Pages: 609

ISBN-13: 1781951519

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In recent years, there has been a marked proliferation in the literature on economic approaches to ecosystem management, which has created a subsequent need for real understanding of the scope and the limits of the economic approaches to ecosystems and

Social and Economic Benefits of Protected Areas
Social and Economic Benefits of Protected Areas

Author: Marianne Kettunen

Publisher: Routledge

Published: 2013-09-05

Total Pages: 369

ISBN-13: 1136213104

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Protected areas (PAs) contain biodiversity and ecosystems of high conservation value. In addition, these areas provide a range of benefits, both direct and indirect, to our societies and economies, i.e. so called ecosystem services. These services include, for example, an ecosystem's ability to regulate floods and climate, purify water, secure the pollination of crops, and create opportunities for recreation, culture and tourism. This book offers a comprehensive introduction to the socio-economic benefits of PAs and PA networks and provides step-by-step practical guidance on identifying, assessing and valuing the various ecosystem services and related benefits provided by PAs. It also aims to improve the communication of PA benefits to different stakeholders and the general public. It is shown that identifying and valuing the socio-economic benefits of PAs can be beneficial for several reasons. Demonstrating socio-economic importance of a protected site can significantly increase political and stakeholder support for the site and resolve conflicts between different interest groups. This can lead to positive changes in policies and decision-making. Insights on PA benefits are also needed to identify a combination of actions and land use practices that best support the sustainable and equitable utilisation of these benefits, while retaining a site’s conservation goals. Finally, demonstrating different benefits can help to discover alternative and sustainable sources for financing the management of PAs.