scholarly journals Economic Issues in Ecosystem Management: An Introduction and Overview

1996 ◽  
Vol 25 (2) ◽  
pp. 83-100 ◽  
Author(s):  
Stephen K. Swallow

Ecosystem management may extend multiple use management, where economists identify and value a complex mix of ecosystem outputs. The dominant theme in conservation biology favors “safe minimum standard” (SMS) constraints on ecosystem attributes, which respond to complex and purely uncertain ecological knowledge and lead economists toward valuation questions that identify “tolerable” constraints. A hierarchical SMS constraint raises substitution possibilities among ecosystem-level components. Economists may identify unavoidable resource tradeoffs, such as in allocating land among elements of a reserve network, particularly when ecological wealth differs among geographically dispersed human communities. Economic and ecological ironies obfuscate intuitive contributions to ecosystem management policy.

1994 ◽  
Vol 16 (2) ◽  
pp. 198
Author(s):  
N Williams ◽  
R Johnston

Comparison of Aboriginal interests in rangelands in western New South Wales with those in north- western Northern Temtory and the Kimberley of Western Australia reveals little difference in their history, aspirations for land acquisition, or plans for multiple use management. Throughout Australia, Aboriginal people who are traditional owners of rangelands continue to live on or near the land they regard as traditionally theirs. This is true of the more closely settled rangelands as well as remote regions. In all the rangeland areas Aboriginal people now wish (and following the Mabo decision may more realistically expect to gain) some form of freehold title to at least some of their land. Aboriginal people whose traditional lands are located in western New South Wales have access to very little of their land but have maintained their connection to it. They have aspirations of obtaining access to and control over portions of it, with plans to manage it under a multiple use regime that would include small-scale sustainable pastoralism and agriculture, while living in dispersed family groups on the land. Aboriginal people's desire to retain access to their traditional land for non-economic reasons (spiritual, social, historical) is paramount. Should the Commonwealth Land Fund legislation be enacted, cultural imperatives as well as economic viability will need to be taken into account in the purchase of land. Planning for future management should incorporate traditional ecological knowledge and should involve Aboriginal traditional owners and their organisations, such as land councils and resource agencies, in local and regional planning.


2007 ◽  
Vol 83 (5) ◽  
pp. 642-650 ◽  
Author(s):  
Craig Aumann ◽  
Daniel R Farr ◽  
Stan Boutin

Public lands in Alberta are managed under the principle of multiple use. The two case-studies considered highlight the current and likely future impacts of this policy on forestry and other ecological values as development pressures continue to increase. Ultimately, sustainable forestry management in Alberta should not be about forestry policy alone, but a much broader land-use framework that embodies the principle of "envision–do–check–adapt." Key words: multiple use, management policy, cumulative effects, petroleum development, land use, interdisciplinary, adaptive management


2013 ◽  
Vol 2013 ◽  
pp. 1-12 ◽  
Author(s):  
Konstantinos Ar. Kormas ◽  
Despoina S. Lymperopoulou

Cyanobacteria are ubiquitous in nature and are both beneficial and detrimental to humans. Benefits include being food supplements and producing bioactive compounds, like antimicrobial and anticancer substances, while their detrimental effects are evident by toxin production, causing major ecological problems at the ecosystem level. To date, there are several ways to degrade or transform these toxins by chemical methods, while the biodegradation of these compounds is understudied. In this paper, we present a meta-analysis of the currently available 16S rRNA andmlrA(microcystinase) genes diversity of isolates known to degrade cyanobacterial toxins. The available data revealed that these bacteria belong primarily to the Proteobacteria, with several strains from the sphingomonads, and one from each of theMethylobacillusandPaucibactergenera. Other strains belonged to the generaArthrobacter, Bacillus, andLactobacillus. By combining the ecological knowledge on the distribution, abundance, and ecophysiology of the bacteria that cooccur with toxic cyanobacterial blooms and newly developed molecular approaches, it is possible not only to discover more strains with cyanobacterial toxin degradation abilities, but also to reveal the genes associated with the degradation of these toxins.


2012 ◽  
Vol 88 (06) ◽  
pp. 697-707 ◽  
Author(s):  
Sara Teitelbaum ◽  
Ryan Bullock

Ontario’s County, Municipal and Conservation Authority forests have received little attention within the academic literature on community forestry in Canada. These “Agreement Forests”, as they were once called, are a product of the early 20th century and have been under local government management since the 1990s. Most are situated in Southern Ontario. In this article we investigate the extent to which community forestry principles are at work in these forests. Three principles— participatory governance, local benefits and multiple forest use—are analyzed using a composite score approach derived from survey data collected from nearly all of these forest organizations (response rate = 80%). Results indicate that most of these organizations do display attributes associated with community forestry principles, including a local governance process, public participation activities, local employment and multiple-use management. Traditional forestry employment is less strong than in similar studies of Crown land community forests; however, there is an important emphasis on non-timber activities. The article concludes that the County, Municipal and Conservation Authority forests represents a unique approach, which reflects the specific geographic and socio-economic context in which it resides.


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