Search Results - "Jacobson, Larry D."

A simple predation pressure index for modeling changes in natural mortality: Application to Gulf of Maine northern shrimp stock assessment by Richards, R. Anne, Jacobson, Larry D.

“…•Analysis of food habits data for over 60 fish species revealed a suite of previously unrecognized predators of northern shrimp in the Gulf of Maine.•A…”
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Methane and nitrous oxide analyzer comparison and emissions from dairy freestall barns with manure flushing and scraping by Cortus, Erin L., Jacobson, Larry D., Hetchler, Brian P., Heber, Albert J., Bogan, Bill W.

“…Continuous methane (CH4) and nitrous oxide (N2O) emission measurements were conducted at two crossflow-ventilated dairy freestall barns located in the state of…”
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Accuracy of the Patch model used to estimate density and capture efficiency in depletion experiments for sessile invertebrates and fish by Hennen, Daniel R, Jacobson, Larry D, Tang, Jiashen

“…Hennen, D., Jacobson, L., and Tang, J. 2012. Accuracy of the Patch model used to estimate density and capture efficiency in depletion experiments for sessile…”
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Field air sampling and simultaneous chemical and sensory analysis of livestock odorants with sorbent tubes and GC–MS/olfactometry by Zhang, Shicheng, Cai, Lingshuang, Koziel, Jacek A., Hoff, Steven J., Schmidt, David R., Clanton, Charles J., Jacobson, Larry D., Parker, David B., Heber, Albert J.

“…Characterization and quantification of livestock odorants is one of the most challenging analytical tasks because odor-causing chemicals are very reactive,…”
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To split or not to split: Assessment of Georges Bank sea scallops in the presence of marine protected areas by Hart, Deborah R., Jacobson, Larry D., Tang, Jiashen

“…Marine protected areas (MPAs) may create challenges for stock assessments because most models are based on the assumption that fishing mortality is uniform in…”
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Health risk assessment of occupational exposure to hazardous volatile organic compounds in swine gestation, farrowing and nursery barns by Akdeniz, Neslihan, Jacobson, Larry D, Hetchler, Brian P

“…Livestock producers are exposed to a high number of airborne pollutants during their daily duties of cleaning, feeding and maintenance activities. Hazardous…”
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Environmental effects on recruitment and productivity of Japanese sardine Sardinops melanostictus and chub mackerel Scomber japonicus with recommendations for management by YATSU, AKIHIKO, WATANABE, TOMOWO, ISHIDA, MINORU, SUGISAKI, HIROYA, JACOBSON, LARRY D.

“…We compared a wide range of environmental data with measures of recruitment and stock production for Japanese sardine Sardinops melanostictus and chub mackerel…”
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Airborne pollutant emissions from naturally ventilated buildings: Proposed research directions by Takai, Hisamitsu, Nimmermark, Sven, Banhazi, Thomas, Norton, Tomas, Jacobson, Larry D., Calvet, Salvador, Hassouna, Mélynda, Bjerg, Bjarne, Zhang, Guo-Qiang, Pedersen, Soeren, Kai, Peter, Wang, Kaiying, Berckmans, Daniel

“…The present article describes the current research focus and the future research trends associated with investigating emissions from naturally ventilated…”
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Correlating Microbes to Major Odorous Compounds in Swine Manure by Zhu, Jun, Jacobson, Larry D.

“…Malodor generation from swine manure is complicated by the involvement of many bacterial species that produce an extensive array of volatile organic compounds…”
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Real-Time Airflow Rate Measurements from Mechanically Ventilated Animal Buildings by Hoff, Steven J., Bundy, Dwaine S., Nelson, Minda A., Zelle, Brian C., Jacobson, Larry D., Heber, Albert J., Ni, Jiqin, Zhang, Yuanhui, Koziel, Jacek A., Beasley, David B.

“…This paper describes techniques used to determine airflow rate in multiple emission point applications typical of animal housing. An accurate measurement of…”
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Emissions of Ammonia, Hydrogen Sulfide, and Odor before, during, and after Slurry Removal from a Deep-Pit Swine Finisher by Hoff, Steven J., Bundy, Dwaine S., Nelson, Minda A., Zelle, Brian C., Jacobson, Larry D., Heber, Albert J., Ni, Jinqin, Zhang, Yuanhui, Koziel, Jacek A., Beasley, David B.

“…It is a common practice in the midwestern United States to raise swine in buildings with under-floor slurry storage systems designed to store manure for up to…”
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Quality-Assured Measurements of Animal Building Emissions: Particulate Matter Concentrations by Heber, Albert J., Lim, Teng-Teeh, Ni, Ji-Qin, Tao, Pei-Chun, Schmidt, Amy M., Koziel, Jacek A., Hoff, Steven J., Jacobson, Larry D., Zhang, Yuanhui, Baughman, Gerald B.

“…Federally funded, multistate field studies were initiated in 2002 to measure emissions of particulate matter (PM) <10 μm (PM 10 ) and total suspended…”
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Quality Assured Measurements of Animal Building Emissions: Gas Concentrations by Heber, Albert J., Ni, Ji-Qin, Lim, Teng T., Tao, Pei-Chun, Schmidt, Amy M., Koziel, Jacek A., Beasley, David B., Hoff, Steven J., Nicolai, Richard E., Jacobson, Larry D., Zhang, Yuanhui

“…Comprehensive field studies were initiated in 2002 to measure emissions of ammonia (NH 3 ), hydrogen sulfide (H 2 S), carbon dioxide (CO 2 ), methane (CH 4 ),…”
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Quality Assured Measurements of Animal Building Emissions: Odor Concentrations by Jacobson, Larry D., Hetchler, Brian P., Schmidt, David R., Nicolai, Richard E., Heber, Albert J., Ni, Ji-Qin, Hoff, Steven J., Koziel, Jacek A., Zhang, Yuanhui, Beasley, David B., Parker, David B.

“…Standard protocols for sampling and measuring odor emissions from livestock buildings are needed to guide scientists, consultants, regulators, and…”
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Fishery biology and biological reference points for management of ocean quahogs ( Arctica islandica) off Iceland by Thorarinsdóttir, Gudrun G., Jacobson, Larry D.

“…Ocean quahogs off Iceland are large, slow growing clams distributed on the continental shelf around the north Atlantic. The Icelandic stock is most northern…”
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Measurement errors in body size of sea scallops and their effect on stock assessment models by Jacobson, Larry D, Stokesbury, Kevin D.E, Allard, Melissa A, Chute, Antonie, Harris, Bradley P, Hart, Deborah, Jaffarian, Tom, Marino, II, Michael C, Nogueira, Jacob I, Rago, Paul

“…Body-size measurement errors are usually ignored in stock assessments, but may be important when body-size data (e.g., from visual surveys) are imprecise. We…”
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Predictions by the Odor From Feedlots, Setback Estimation Tool (OFFSET) Compared with Observations by Neighborhood Monitors by Nimmermark, Sven A., Jacobson, Larry D., Schmidt, David R., Gay, Susan W.

“…A comparison between predicted and observed odor intensities at 20 neighborhood residences in the vicinity of seven various livestock farms in five different…”
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Biology and population dynamics of cowcod in the southern California Bight by Butler, John L, Jacobson, Larry D, Barnes, J. Thomas, Moser, H. Geoffrey

“…Cowcod (Sebastes levis) is a large (100-cm-FL), long-lived (maximum observed age 55 yr) demersal rockfish taken in multispecies commercial and recreational…”
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Stock-rebuilding time isopleths and constant-F stock-rebuilding plans for overfished stocks by Jacobson, Larry D, Cadrin, Steven X

“…Proposals to rebuild fish stocks depleted by overfishing can be evaluated using stock-rebuilding time isopleths. These are calculated based on stochastic…”
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The Northwest Atlantic deep-sea red crab (Chaceon quinquedens) population before and after the onset of harvesting by Wahle, Richard A., Bergeron, Charlene E., Chute, Antonie S., Jacobson, Larry D., Chen, Yong

“…Wahle, R. A., Bergeron, C. E., Chute, A. S., Jacobson, L. D., and Chen, Y. 2008. The Northwest Atlantic deep-sea red crab (Chaceon quinquedens) population…”
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