Environmental Valuation & Cost-Benefit News
The cost-effectiveness of biodiversity surveys in tropical forests
11/25/07
11:29:04 pm, by damageva 
, 247 words, 138 views 
Categories: Land + Water, Latin America, Academic Study/Journal Article, Endangered Species, Costs and Benefits
The cost-effectiveness of biodiversity surveys in tropical forests
Abstract: The identification of high-performance indicator taxa that combine practical feasibility and ecological value requires an understanding of the costs and benefits of surveying different taxa. We present a generic and novel framework for identifying such taxa, and illustrate our approach using a large-scale assessment of 14 different higher taxa across three forest types in the Brazilian Amazon, estimating both the standardized survey cost and the ecological and biodiversity indicator value for each taxon. Survey costs varied by three orders of magnitude, and dung beetles and birds were identified as especially suitable for evaluating and monitoring the ecological consequences of habitat change in our study region. However, an exclusive focus on such taxa occurs at the expense of understanding patterns of diversity in other groups. To improve the cost-effectiveness of biodiversity research we encourage a combination of clearer research goals and the use of an objective evidence-based approach to selecting study taxa.
by Toby A. Gardner, Jos Barlow, Ivanei S. Araujo, Teresa Cristina Ávila-Pires, Alexandre B. Bonaldo, Joana E. Costa, Maria Cristina Esposito, Leandro V. Ferreira, Joseph Hawes, Malva I. M. Hernandez, Marinus S. Hoogmoed, Rafael N. Leite, Nancy F. Lo-Man-Hung, Jay R. Malcolm, Marlucia B. Martins, Luiz A. M. Mestre, Ronildon Miranda-Santos, William L. Overal, Luke Parry, Sandra L. Peters, Marco Antônio Ribeiro-Junior, Maria N. F. da Silva, Catarina da Silva Motta, Carlos A. Peres
Ecology Letters via Blackwell Publishing www.Blackwell-Synergy.com
Online Early
doi:10.1111/j.1461-0248.2007.01133.x
http://www.blackwell-synergy.com/doi/abs/10.1111/j.1461-0248.2007.01133.x
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