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Published in: Environmental Management 1/2015

01-01-2015

Capturing and Explaining Preference Heterogeneity for Wetland Management Options in the Kilombero Valley, Tanzania

Authors: Stijn Speelman, Felister Mombo, Valerie Vandermeulen, Damas Phillip, Guido Van Huylenbroeck

Published in: Environmental Management | Issue 1/2015

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Abstract

Wetland degradation has recently received considerable research attention. Although wetlands are valuable ecosystems, their actual value is difficult to measure because the services they provide often do not have market values. The current study seeks to investigate the preferences for wetland management options in the Kilombero Valley, central Tanzania using choice modeling. The results show that both respondents from the Kilombero Valley and Morogoro Municipality desire improvements in the condition of the wetlands. This indicates that the ongoing degradation is not socially optimal. A second finding is that the preferences for wetland conservation are heterogeneous and can be linked to livelihood characteristics. Communities living in the area, for example, are highly dependent on the wetland for their livelihood and would be impacted by conservation measures. Therefore, in order to reduce the pressure on wetlands, it is necessary and imperative to explore the options for alternative income-generating activities or to focus, for example, on technologies to improve efficiency and effectiveness in crop production.

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Footnotes
1
The number of options that can be created from five attributes, four with three levels and one with four levels, is 41*34 = 324.
 
2
A first macro suggests reasonable sizes for the experimental design given the number of attributes and their levels. In our case, 27 runs were appropriate. A second macro then creates a set of candidate alternatives. The final macro uses these alternatives to find an efficient experimental design for the choice experiment.
 
3
It has to be noted that this would lead to further degradation of the status of the wetlands.
 
4
100 Halton draws were taken.
 
5
For comparison the conditional logit model is also presented in Table 4, but is not further discussed.
 
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Metadata
Title
Capturing and Explaining Preference Heterogeneity for Wetland Management Options in the Kilombero Valley, Tanzania
Authors
Stijn Speelman
Felister Mombo
Valerie Vandermeulen
Damas Phillip
Guido Van Huylenbroeck
Publication date
01-01-2015
Publisher
Springer US
Published in
Environmental Management / Issue 1/2015
Print ISSN: 0364-152X
Electronic ISSN: 1432-1009
DOI
https://doi.org/10.1007/s00267-014-0403-y

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