Search Results - "Johnson, Eric V"

Development of hurricane resistant traffic signal structures by Johnson, Eric V., Cook, Ronald A., Masters, Forrest J., Ansley, Marcus H.

“…Performance of traffic signal support systems during hurricanes has indicated that the current dual cable system used in Florida often experiences substantial…”
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A Quantitative Analysis of Woodpecker Drumming by Stark, Robert D., Dodenhoff, Danielle J., Johnson, Eric V.

“…The drumming patterns of 11 species of California woodpeckers were analyzed to determine if this long-distance signal is species-specific. Analyses for…”
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DO WOODPECKER DRUMS ENCODE INFORMATION FOR SPECIES RECOGNITION? by Dodenhoff, Danielle J, Stark, Robert D, Johnson, Eric V

“…We investigated whether woodpecker drums are exchanged interspecifically and attempted to ascertain the drum variables responsible for species recognition…”
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Do Woodpecker Drums Encode Information for Species Recognition? by Dodenhoff, Danielle J., Stark, Robert D., Johnson, Eric V.

“…Abstract We investigated whether woodpecker drums are exchanged interspecifically and attempted to ascertain the drum variables responsible for species…”
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DO WOODPECKER DRUMS ENCODE INFORMATION FOR SPECIES RECOGNITION?1 by Dodenhoff, Danielle J., Stark, Robert D., Johnson, Eric V.

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California Condor Population Estimates by McMillan, Ian I., Johnson, Eric V.

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Primary Molt of California Condors by Noel F. R. Snyder, Johnson, Eric V., Clendenen, David A.

“…Primary molt of the California Condor (Gymnogyps californianus) was studied intensively from 1982 through 1985, using repeated flight photographs of the…”
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A Rare Escape From DDT by Johnson, Eric V

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Photographic Censusing of the 1982-1983 California Condor Population by Noel F. R. Snyder, Johnson, Eric V.

“…An intensive census of the remnant California Condor (Gymnogyps californianus) population based on photographic identification of individuals revealed a…”
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DDT and Safer Substitutes by Johnson, Eric V.

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The Effects of Orchard Pesticide Applications on Breeding Robins by Johnson, Eric V., Guilford L. Mack, Thompson, Daniel Q.

“…From 1966 through 1968, robins reproduced successfully in commercial apple orchards which were periodically sprayed with DDT, dieldrin, and other pesticides…”
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