Tabla de Contenidos: “…Feuilletons and Fairy Tales: A Sampling Editor's Note The Red Redeemer Confession High Treason Death of a Shade A Secondary Happiness The Señora Miss Brington We Have to Tell Them Painted on Ivory The Sparrow The Spectacles -- 5. …”

Tabla de Contenidos: “…1964-1971. Bleeker Street ; Sparrow ; The sound of silence ; He was my brother ; Wednesday morning, 3 A.M. ; A church is burning ; Leaves that are green ; Blessed ; Kathy's song ; Richard Cory ; A most peculiar man ; April come she will ; I am a rock ; Red rubber ball ; Patterns ; Cloudy ; Homeward bound ; The big bright green pleasure machine ; The 59th Street Bridge song (Feelin' groovy) -- The dangling conversation ; Flowers never bend with the rainfall ; A simple desultory Philippic (or How I was Robert McNamara'd into submission) ; For Emily, whenever I may find her ; A poem on the underground wall ; 7 o'clock news/Silent night ; Mrs. …”

Tabla de Contenidos: “…PRIVATE ACTIVITIES AND HABITAT CONSERVATION PLANNING -- Habitat-Conservation Plans -- RECOVERY PLANNING -- NATURAL COMMUNITY CONSERVATION PROGRAM AND COASTAL SAGE SCRUB COMMUNITY OF SOUTHERN CALIFORNIA -- HABITAT-RELATED STANDARDS -- Public and Private Lands and Actions -- Survival and Recovery -- CONCLUSIONS AND RECOMMENDATIONS -- REFERENCES -- 5 Modern Perspectives of Habitat -- LANDSCAPES AND POPULATIONS -- SOURCES AND SINKS -- METAPOPULATIONS -- SPATIALLY EXPLICIT MODELS -- A SPATIAL PERSPECTIVE AND POPULATION VIABILITY ANALYSIS -- CONCLUSIONS -- REFERENCES -- 6 Conservation Conflicts Between Species -- INTERACTIONS OF SPECIES IN NATURE -- NORTHERN GOSHAWK AND MEXICAN SPOTTED OWL -- WINTER-RUN CHINOOK SALMON AND DELTA SMELT -- BACHMAN'S SPARROW AND RED-COCKADED WOODPECKER -- MARINE MAMMALS AND SALMONIDS -- CONCLUSIONS -- RECOMMENDATIONS -- REFERENCES -- 7 Estimating Risk -- ESTIMATING THE RISK OF EXTINCTION -- SOURCES OF RISK -- Random Demographic Changes -- Random Environmental Changes -- Catastrophes -- Accumulation of Deleterious Genetic Factors -- Loss of Adaptive Variation Within Populations -- Habitat Fragmentation -- Supplementation -- FOCUSING CONSERVATION EFFORTS -- DISTRIBUTION OF EXTINCTION TIMES -- LIMITATIONS OF OUR ABILITY TO ESTIMATE RISK -- CONCLUSIONS AND RECOMMENDATIONS -- REFERENCES -- 8 Making ESA Decisions in the Face of Uncertainty -- DECISIONS REQUIRED UNDER THE ESA -- THE NEED FOR NEW APPROACHES TO DECISION MAKING -- PROVIDING OBJECTIVE RISK STANDARDS -- Developing Quantitative Risk Standards -- Time Frame for Estimating Risk of Extinction -- Listing Systems Based on Objective Criteria and Rules -- Limitations on Estimates of Risk -- Limits of Models -- Poor Understanding of Cumulative Effects and Thresholds -- Should Different Risk Standards Apply to Different ESA Decisions? …”