Ecosystem Services of Tropical Dry Forests: Insights from Long-term Ecological and Social Research on the Pacific Coast of Mexico
2005
J. Manuel Maass | Patricia Balvanera | Alicia Castillo | Gretchen C. Daily | Harold A. Mooney | Paul Ehrlich | Mauricio Quesada | Alvaro Miranda | Victor J. Jaramillo | Felipe García-Oliva | Angelina Martínez-Yrizar | Helena Cotler | Jorge López-Blanco | Alfredo Pérez-Jiménez | Alberto Búrquez | Clara Tinoco | Gerardo Ceballos | Laura Barraza | Ricardo Ayala | José Sarukhán
In the search for an integrated understanding of the relationships among productive activities, human well-being, and ecosystem functioning, we evaluated the services delivered by a tropical dry forest (TDF) ecosystem in the Chamela Region, on the Pacific Coast of Mexico. We synthesized information gathered for the past two decades as part of a long-term ecosystem research study and included social data collected in the past four years using the Millennium Ecosystem Assessment (MA) conceptual framework as a guide. Here we identify the four nested spatial scales at which information has been obtained and emphasize one of them through a basin conceptual model. We then articulate the biophysical and socio-economic constraints and drivers determining the delivery of ecosystem services in the Region. We describe the nine most important services, the stakeholders who benefit from those services, and their degree of awareness of such services. We characterize spatial and temporal patterns of the services' delivery as well as trade-offs among services and stakeholders. Finally, we contrast three alternative future scenarios on the delivery of ecosystem services and human well-being. Biophysical and socioeconomic features of the study site strongly influence humanâ'ecosystem interactions, the ecosystem services delivered, the possible future trajectories of the ecosystem, and the effect on human well-being. We discuss future research approaches that will set the basis for an integrated understanding of humanâ'ecosystem interactions and for constructing sustainable management strategies for the TDF.
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