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1997

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Articles 2701 - 2730 of 6936

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Behavior Of Cackling Canada Geese During Brood Rearing, Ada C. Fowler, Craig R. Ely May 1997

Behavior Of Cackling Canada Geese During Brood Rearing, Ada C. Fowler, Craig R. Ely

Condor

No abstract provided.


Relative Costs Of Prebasic And Prealternate Molts For Male Blue-Winged Teal, William L. Hohman, Scott W. Manley, David Richard May 1997

Relative Costs Of Prebasic And Prealternate Molts For Male Blue-Winged Teal, William L. Hohman, Scott W. Manley, David Richard

Condor

No abstract provided.


Front Matter (Pdf), The Condor May 1997

Front Matter (Pdf), The Condor

Condor

No abstract provided.


A New Application For Transponders In Population Ecology Of The Common Tern, Peter H. Becker, Helmut Wendeln May 1997

A New Application For Transponders In Population Ecology Of The Common Tern, Peter H. Becker, Helmut Wendeln

Condor

No abstract provided.


Migration By Flapping Or Soaring: Flight Strategies Of Marsh, Montagu's And Pallid Harriers In Southern Israel, Reto Spaar, Bruno Bruderer May 1997

Migration By Flapping Or Soaring: Flight Strategies Of Marsh, Montagu's And Pallid Harriers In Southern Israel, Reto Spaar, Bruno Bruderer

Condor

No abstract provided.


Adaptations To And Consequences Of An Herbivorous Diet In Grouse And Waterfowl, James S. Sedinger May 1997

Adaptations To And Consequences Of An Herbivorous Diet In Grouse And Waterfowl, James S. Sedinger

Condor

No abstract provided.


Intraspecific Variation And Evolutionary Reduction Of Tendon Ossification In Dendrocincla Woodcreepers, Anthony H. Bledsoe, Robert J. Raikow, Loretta S. Crowell May 1997

Intraspecific Variation And Evolutionary Reduction Of Tendon Ossification In Dendrocincla Woodcreepers, Anthony H. Bledsoe, Robert J. Raikow, Loretta S. Crowell

Condor

No abstract provided.


Effects Of Spring Environment On Nesting Phenology And Clutch Size Of Black Brant, Mark S. Lindberg, James S. Sedinger, Paul L. Flint May 1997

Effects Of Spring Environment On Nesting Phenology And Clutch Size Of Black Brant, Mark S. Lindberg, James S. Sedinger, Paul L. Flint

Condor

No abstract provided.


Factors Affecting The Success Of Colony Departure By Thick-Billed Murre Chicks, H. Grant Gilchrist, Anthony J. Gaston May 1997

Factors Affecting The Success Of Colony Departure By Thick-Billed Murre Chicks, H. Grant Gilchrist, Anthony J. Gaston

Condor

No abstract provided.


Patterns Of Dominance And Aggressive Behavior In Blue Jays At A Feeder, Keith A. Tarvin, Glen E. Woolfenden May 1997

Patterns Of Dominance And Aggressive Behavior In Blue Jays At A Feeder, Keith A. Tarvin, Glen E. Woolfenden

Condor

No abstract provided.


Trophic Relationships Among Seabirds In Central California: Combined Stable Isotope And Conventional Dietary Approach, William J. Sydeman, Keith A. Hobson, Peter Pyle, Elizabeth B. Mclaren May 1997

Trophic Relationships Among Seabirds In Central California: Combined Stable Isotope And Conventional Dietary Approach, William J. Sydeman, Keith A. Hobson, Peter Pyle, Elizabeth B. Mclaren

Condor

No abstract provided.


The Effect Of Carrying Devices On Breeding Royal Penguins, Cindy L. Hull May 1997

The Effect Of Carrying Devices On Breeding Royal Penguins, Cindy L. Hull

Condor

No abstract provided.


Mating System Of The Dusky Antbird, A Tropical Passerine, As Assessed By Dna Fingerprinting, Robert C. Fleischer, Cheryl L. Tarr, Eugene S. Morton, Alexander Sangmeister, Kim C. Derrickson May 1997

Mating System Of The Dusky Antbird, A Tropical Passerine, As Assessed By Dna Fingerprinting, Robert C. Fleischer, Cheryl L. Tarr, Eugene S. Morton, Alexander Sangmeister, Kim C. Derrickson

Condor

No abstract provided.


Intraspecific And Diffuse Competition: The Response Of Nassella Pulchra In A California Grassland, Andrew R. Dyer, Kevin J. Rice May 1997

Intraspecific And Diffuse Competition: The Response Of Nassella Pulchra In A California Grassland, Andrew R. Dyer, Kevin J. Rice

Faculty Publications

In inland California grasslands, the high densities of alien annual species have altered the growing environment for native perennial grasses. Using variable-density plots, we measured the influence of intraspecific competition (conspecifics only) and diffuse competition (mixed-composition neighborhoods that include conspecifics) on growth and survival of Nassella pulchra, purple needlegrass. We assessed the effects of intraspecific and diffuse competition in weeded plots and unweeded plots, respectively, across a density gradient of N. pulchra plants (16–356 plants/m2). We used summer fire and spring sheep grazing to reduce diffuse competition in unweeded plots. The potential effect of rooting volume on competitive interactions …


Variation In Song Sparrow Nest Defense: Individual Consistency And Relationship To Nest Success, Margret I. Hatch May 1997

Variation In Song Sparrow Nest Defense: Individual Consistency And Relationship To Nest Success, Margret I. Hatch

Condor

No abstract provided.


Effects Of Oiling On Feeding Behavior Of Sanderlings And Semipalmated Plovers In New Jersey, Joanna Burger May 1997

Effects Of Oiling On Feeding Behavior Of Sanderlings And Semipalmated Plovers In New Jersey, Joanna Burger

Condor

No abstract provided.


Effects Of The Exxon Valdez Oil Spill On Birds: Comparisons Of Pre- And Post-Spill Surveys In Prince William Sound, Alaska, Stephen M. Murphy, Robert H. Day, John A. Wiens, Keith R. Parker May 1997

Effects Of The Exxon Valdez Oil Spill On Birds: Comparisons Of Pre- And Post-Spill Surveys In Prince William Sound, Alaska, Stephen M. Murphy, Robert H. Day, John A. Wiens, Keith R. Parker

Condor

No abstract provided.


The Effects Of Parental Quality And Timing Of Breeding On The Growth Of Nestling Thick-Billed Murres, J. Mark Hipfner May 1997

The Effects Of Parental Quality And Timing Of Breeding On The Growth Of Nestling Thick-Billed Murres, J. Mark Hipfner

Condor

No abstract provided.


Intraspecific Variability In Nestling Growth And Fledging Behavior Of Cassin's Auklets At Triangle Island, British Columbia, Yolanda E. Morbey, Robald C. Ydenberg May 1997

Intraspecific Variability In Nestling Growth And Fledging Behavior Of Cassin's Auklets At Triangle Island, British Columbia, Yolanda E. Morbey, Robald C. Ydenberg

Condor

No abstract provided.


Impacts Of Predators: Center Nests Are Less Successful Than Edge Nests In A Large Nesting Colony Of Least Terns, Dianne H. Brunton May 1997

Impacts Of Predators: Center Nests Are Less Successful Than Edge Nests In A Large Nesting Colony Of Least Terns, Dianne H. Brunton

Condor

No abstract provided.


Circulating Prolactin Of Incubating Male Wilson's Phalaropes Corresponds To Clutch Size And Environmental Stress, David J. Delehanty, Lewis W. Oring, Albert J. Fivissani, Mohamed E. Halawani May 1997

Circulating Prolactin Of Incubating Male Wilson's Phalaropes Corresponds To Clutch Size And Environmental Stress, David J. Delehanty, Lewis W. Oring, Albert J. Fivissani, Mohamed E. Halawani

Condor

No abstract provided.


Leap-Frog Migration In The Fox Sparrow: Minimizing The Cost Of Spring Migration, Christopher P. Bell May 1997

Leap-Frog Migration In The Fox Sparrow: Minimizing The Cost Of Spring Migration, Christopher P. Bell

Condor

No abstract provided.


Book Reviews, The Condor May 1997

Book Reviews, The Condor

Condor

No abstract provided.


Briefly Noted, The Condor May 1997

Briefly Noted, The Condor

Condor

No abstract provided.


On The Behavior Of The Black Swift, Manuel Marin May 1997

On The Behavior Of The Black Swift, Manuel Marin

Condor

No abstract provided.


Do Blood Parasites Affect Paternity, Provisioning And Mate-Guarding In Purple Martins?, Richard H. Wagner, Priya Davidar, Malcolm D. Schug, Eugene S. Morton May 1997

Do Blood Parasites Affect Paternity, Provisioning And Mate-Guarding In Purple Martins?, Richard H. Wagner, Priya Davidar, Malcolm D. Schug, Eugene S. Morton

Condor

No abstract provided.


The Angiotensin Converting Enzyme And Blood Pressure In Jamaicans, Terrence Forrester, Norma Mcfarlane-Anderson, Franklyn I. Bennett, Rainford Wilks, Richard Cooper, Charles Rotimi, Linda Morrison, Ryk Ward May 1997

The Angiotensin Converting Enzyme And Blood Pressure In Jamaicans, Terrence Forrester, Norma Mcfarlane-Anderson, Franklyn I. Bennett, Rainford Wilks, Richard Cooper, Charles Rotimi, Linda Morrison, Ryk Ward

Faculty Publications

An insertion/deletion (I/D) polymorphism of the angiotensin I converting enzyme gene influences the level of serum angiotensin converting enzyme activity and has been associated with risk of several cardiovascular conditions. The relationship to blood pressure remains uncertain, however. We conducted a population-based survey in Kingston, Jamaica, to examine the association between angiotensin converting enzyme genotype, angiotensin converting enzyme serum activity and blood pressure. Serum angiotensin converting enzyme activity was measured and genotyping performed for the I/D polymorphism in 500 community residents. The overall prevalence of the D allele was 59.3%. Angiotensin converting enzyme genotype was not significantly related to blood …


234Th And 210Pb Evidence For Rapid Ingestion Of Settling Particles By Mobile Epibenthic Megafauna In The Abyssal Ne Pacific, L. M. L. Lauerman, J. M. Smoak, Timothy J. Shaw, W. S. Moore, K. L. Smith Jr. May 1997

234Th And 210Pb Evidence For Rapid Ingestion Of Settling Particles By Mobile Epibenthic Megafauna In The Abyssal Ne Pacific, L. M. L. Lauerman, J. M. Smoak, Timothy J. Shaw, W. S. Moore, K. L. Smith Jr.

Faculty Publications

No abstract provided.


Uptake And Metabolism Of Atrazine By Poplar Trees, Joel Gerard Burken, Jerald L. Schnoor May 1997

Uptake And Metabolism Of Atrazine By Poplar Trees, Joel Gerard Burken, Jerald L. Schnoor

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

Hybrid Poplar Trees Can Uptake, Hydrolyze, and Dealkylate Atrazine to Less Toxic Metabolites. in Whole Plant Studies, the Parent Compound Atrazine and 14C Ring-Labeled Metabolites Were Extracted from Poplar Tissues and Analyzed Via High-Pressure Liquid Chromatography (HPLC) with UV and Radiochromatographic Detectors in Series. the Concurrent Separation and Identification of These Metabolites Has Not Been Previously Reported in Higher Plants for Phytoremediation Applications. Unidentified Metabolites Were Also Detected. Metabolism of Atrazine Occurred in Poplar Roots, Stems, and Leaves and Became More Complete with Increased Residence Time in Tissues. in Poplar Cuttings Exposed to Atrazine for 50 Days, the Parent Compound …


Factors Contributing To Deaf And Gay Identity In Male College Students, James R. Brune May 1997

Factors Contributing To Deaf And Gay Identity In Male College Students, James R. Brune

Undergraduate University Honors Capstones

The Deaf Gay community is unique in that individuals who affiliate themselves with members of this community maintain dual identities – Deaf identity and Gay identity. Since there is a lack of formal research on this phenomenon, this pilot study was formulated as a way to take a preliminary look at the relationship between Deaf identity and Gay identity, and the factors contributing to the development of each. A sample of 21 subjects completed a survey which asked questions about the individual’s Deaf identity development, “coming out” process, Gay identity development, and affiliation with the Deaf Gay community. Non-parametric statistical …