. Breviora. . Figure 4. Landsat 7 satellite image (30 m/pixel resolution), captured 9 September 2001. showing forest cover within the EBJS reserve and closely adjacent areas. Refer to Figures 1-3 for location of major landscape features relative to reserve borders; the two outlined rectangles approximately indicate deforested areas A and B to the east and west of the CSA. Also see online Figure 1 showing forest cover over a larger area. At right, adult Ranitomeya duellmani (Dendrobatidae). shown 1.5X natural size. reported here can be interpreted as "pre- fragmentation" (1986-88) and

• Contributor: Library Book Collection / Alamy Stock Photo
• Image ID: RH5A5K
• File size: 7.1 MB (240.3 KB Compressed download)
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• Dimensions: 1415 x 1766 px | 24 x 29.9 cm | 9.4 x 11.8 inches | 150dpi

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. Breviora. . Figure 4. Landsat 7 satellite image (30 m/pixel resolution), captured 9 September 2001. showing forest cover within the EBJS reserve and closely adjacent areas. Refer to Figures 1-3 for location of major landscape features relative to reserve borders; the two outlined rectangles approximately indicate deforested areas A and B to the east and west of the CSA. Also see online Figure 1 showing forest cover over a larger area. At right, adult Ranitomeya duellmani (Dendrobatidae). shown 1.5X natural size. reported here can be interpreted as "pre- fragmentation" (1986-88) and "postfrag- mentation" (1998-2005) data on the EBJS fauna, although as previously noted, forest conversion processes in the area had been ongoing even before 1985. An initial program of removal sampling from 1986 to 1988 was undertaken as a baseline inventory of the fauna to facilitate subsequent monitoring of the same area in later years (1998-2005) via VES efforts, with three major goals. The first goal was to generate an initial species list (and a record of museum specimens), while employing a sampling technique that could be accurately repeated in later years. A second goal was to accumulate equiv- alent amounts of sampling effort for each sampling period, with the use of results from each to monitor trends in the presence or absence (persistence) of the many species to assess the overall stability and similarity of the community over time (on a chrono- logically coarse scale). This is an ongoing process; hypothetically, each sampling pe- riod (and all periods combined) can provide a predictive "before" reference point to compare with subsequent equivalent sam- pling efforts "after, "'' as one measure of the efficacy (or lack thereof) of the EBJS reserve in preserving the herpetofauna at this increasingly isolated site (the third major goal, with potential larger scale relevance for conservation in the region as a whole). Sorenson's quotient of

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