Labels:text | screenshot | font | black and white | number OCR: BIODIVERSITY: BEYOND NOAH'S ARK Page 81 By: Rep. James H. Scheuer, Chairman, Subcommittee on the Environment Continued ... their numbers decline, their biological and genetic viability declines, and the probability of extinction increases. The Gulf of California harbor porpoise was listed as endangered in 1985, although none had been sighted since 1980. Subsequent sightings confirm that the species still lives, but its population may be as low as 100. Measures to save popula- tions when they reach such low numbers often become heroic & economically expensive. Our opportunities to save them without significant economic disruption also decrease. We need to increase the amount of resources allocated to process this backlog of candidate species & act before species become the 'living dead'. Ho ...