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Gap Analysis for Mexico: An Emerging Program

Vincent Burke1 and Carlos Gonzalez-Rebeles2

1School of Natural Resources, University of Missouri, Columbia

2Institute of Ecology, University of Mexico, Mexico City

Efforts to extend GAP within North America have been ongoing since 1995, but fiscal realities and difficulties in designating personnel to oversee the effort delayed concentrated efforts until late in 1996. Since 1996 a number of sources have contributed to the establishment of a "Mexican GAP." Cash and in-kind contributions for field and laboratory work were provided through the following combination of sources: The Mexican Agency CONABIO (Comision Nacional para el Conocimiento y Uso de la Biodiversidad en Mexico - Commission for the Knowledge and Use of Biodiversity in Mexico); the Director’s Contingency Fund of the National Biological Service (funded in 1996); the Inventory and Monitoring Program of NBS (funded in 1996); USGS-BRD Gap Analysis Program, University of Missouri Cooperative Fish and Wildlife Research Unit, Texas Cooperative Fish and Wildlife Research Unit, the Institute of Ecology at UNAM (Universidad Nacional Autónoma de México) and the Autonomous Mexican State Universities of Chihuahua and Coahuila.

After field visits by personnel from Texas Tech University, field work for the U.S.-Mexico International Gap Project began during fall of 1998. The project is concentrated in regions adjacent to Texas in the Mexican states of Coahuila and Chihuahua. A schedule of progress for the first phase of Mexican GAP was set during a recent meeting in Chihuahua as follows:

Deliverable (Completion) Dates

Product Date Responsible for
1. Vegetation field work 12/31/98 AUCh/AUCo
2a. Preliminary vegetation maps, edited in the GIS by scene (hard copy and digital format) - 100% of scenes 01/31/99 TCFWRU
2b. Identification of all abiotic coverages expenses via grants) 11/30/98 (Done in Mexico, TTU pays expenses via grants)
2c. All abiotic coverages in digital format 06/30/99 (Done in Mexico, TTU pays expenses via grants)
2d. Final vegetation maps, validated and edge-matched at regional level (hard copy and digital format) 05/31/99 TCFWRU
3. Lower Rio Grande vertebrates list (Mexico and the U. S.) 12/31/98 TCFWRU
4. Lower Rio Grande vertebrate-habitat associations database (Mexico and the U. S.) 05/31/99 TCFWRU, but exchange of personnel and cross-training between TTU & IE and possibly AUCh will take place.
5. Thematic coverages representing the variables used to model species distributions (e.g., soils, temperature, altitude, and hydrography) 08/31/98 TCFWRU
6a. Preliminary distribution maps by species (hard copy), ready for expert review 10/31/99 TCFWRU
6b. Final distribution maps by species, validated (hard and digital copy) 12/31/99 TCFWRU
Land stewardship map (hard and digital copy) 05/31/99 IE
Gap analysis (representativeness of species richness and vegetation communities in the current conservation system) 05/31/00 TCFWRU and IE
AUCh = Autonomous University of Chihuahua
AUCo = Autonomous University of Coahuila
IE = Instituto de Ecologia, UNAM
TCFWRU = Texas Cooperative Fish and Wildlife Research Unit

Some of the difficulties facing a GAP project in Mexico include the lack of a database on plant assemblages, the sparsity of vertebrate distribution records for some areas, and the different types of land-management categories (e.g., "ejidos" or communal lands). Mexico also presents a variety of opportunities related to gap analysis, such as the presence of strong field-oriented botanists at state universities, the existence of a national biodiversity database administered by CONABIO, lower costs of labor, and opportunities for funding from international development agencies (e.g., World Bank, IADB, CEC, AID).

Mexico, however, presents a unique opportunity for partnership with GAP efforts in the U.S. It possesses extremely high biodiversity and, as in the U.S., there are many pressures on its native species. Forming a partnership with Mexico will not only help address regional biodiversity issues that affect the states of California, Arizona, New Mexico, and Texas but will also allow GAP to begin addressing problems that require international cooperation.

Over time, we anticipate that the fundamentals of the GAP approach are so strong it cannot help but spread to neighboring countries and beyond. Indeed, efforts are currently under way to establish a GAP-type effort in Canada as well as Mexico. Given the vast resource of experiences in the U.S. and the impending edge-matching of the states, we are confident that the next decade will see the production of biodiversity maps that are continental in scale.