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Results: 1-25 |
Results: 25
SPATIAL AND TEMPORAL TRENDS IN ORGANOCHLORINE CONTAMINATION AND BILL DEFORMITIES IN DOUBLE-CRESTED CORMORANTS (PHALACROCORAX-AURITUS) FROM THE CANADIAN GREAT-LAKES
Authors: RYCKMAN DP WESELOH DV HAMR P FOX GA COLLINS B EWINS PJ NORSTROM RJ
Citation: Dp. Ryckman et al., SPATIAL AND TEMPORAL TRENDS IN ORGANOCHLORINE CONTAMINATION AND BILL DEFORMITIES IN DOUBLE-CRESTED CORMORANTS (PHALACROCORAX-AURITUS) FROM THE CANADIAN GREAT-LAKES, Environmental monitoring and assessment, 53(1), 1998, pp. 169-195
ARTIFICIAL NESTING PLATFORMS FOR BALD EAGLES IN SOUTHERN ONTARIO, CANADA
Authors: HUNTER P MAHONY NA EWINS PJ BAIRD D FIELD M
Citation: P. Hunter et al., ARTIFICIAL NESTING PLATFORMS FOR BALD EAGLES IN SOUTHERN ONTARIO, CANADA, The Journal of raptor research, 31(4), 1997, pp. 321-326
OSPREY (PANDION HALIAETUS) POPULATIONS IN FORESTED AREAS OF NORTH-AMERICA - CHANGES, THEIR CAUSES AND MANAGEMENT RECOMMENDATIONS
Authors: EWINS PJ
Citation: Pj. Ewins, OSPREY (PANDION HALIAETUS) POPULATIONS IN FORESTED AREAS OF NORTH-AMERICA - CHANGES, THEIR CAUSES AND MANAGEMENT RECOMMENDATIONS, The Journal of raptor research, 31(2), 1997, pp. 138-150
CONTAMINANT CONCENTRATIONS IN EGGS OF BLACK TERNS (CHLIDONIAS-NIGER) FROM SOUTHERN ONTARIO AND SOUTHERN QUEBEC, 1989-1996
Authors: WESELOH DVC RODRIGUE J BLOKPOEL H EWINS PJ
Citation: Dvc. Weseloh et al., CONTAMINANT CONCENTRATIONS IN EGGS OF BLACK TERNS (CHLIDONIAS-NIGER) FROM SOUTHERN ONTARIO AND SOUTHERN QUEBEC, 1989-1996, Colonial waterbirds, 20(3), 1997, pp. 604-616
SPATIAL AND TEMPORAL VARIATION IN THE DIET OF DOUBLE-CRESTED CORMORANTS (PHALACROCORAX-AURITUS) BREEDING ON THE LOWER GREAT-LAKES IN THE EARLY 1990S
Authors: NEUMAN J PEARL DL EWINS PJ BLACK R WESELOH DV PIKE M KARWOWSKI K
Citation: J. Neuman et al., SPATIAL AND TEMPORAL VARIATION IN THE DIET OF DOUBLE-CRESTED CORMORANTS (PHALACROCORAX-AURITUS) BREEDING ON THE LOWER GREAT-LAKES IN THE EARLY 1990S, Canadian journal of fisheries and aquatic sciences, 54(7), 1997, pp. 1569-1584
DISTRIBUTION AND ABUNDANCE OF WATERBIRDS IN SUMMER IN SEVERN SOUND (GEORGIAN BAY), LAKE HURON - AN IJC AREA OF CONCERN
Authors: WESELOH DV RYCKMAN DP PETTIT K KOSTER MD EWINS PJ HAMR P
Citation: Dv. Weseloh et al., DISTRIBUTION AND ABUNDANCE OF WATERBIRDS IN SUMMER IN SEVERN SOUND (GEORGIAN BAY), LAKE HURON - AN IJC AREA OF CONCERN, Journal of Great Lakes research, 23(1), 1997, pp. 27-35
A COMPARISON OF MERCURY LEVELS IN FEATHERS AND EGGS OF OSPREY (PANDION HALIAETUS) IN THE NORTH-AMERICAN GREAT-LAKES
Authors: HUGHES KD EWINS PJ CLARK KE
Citation: Kd. Hughes et al., A COMPARISON OF MERCURY LEVELS IN FEATHERS AND EGGS OF OSPREY (PANDION HALIAETUS) IN THE NORTH-AMERICAN GREAT-LAKES, Archives of environmental contamination and toxicology, 33(4), 1997, pp. 441-452
RECORDS OF ECTOPARASITES COLLECTED ON OSPREYS FROM ONTARIO
Authors: MILLER MJR EWINS PJ GALLOWAY TD
Citation: Mjr. Miller et al., RECORDS OF ECTOPARASITES COLLECTED ON OSPREYS FROM ONTARIO, Journal of wildlife diseases, 33(2), 1997, pp. 373-376
USING STABLE-ISOTOPE ANALYSIS TO IDENTIFY ENDOGENOUS AND EXOGENOUS SOURCES OF NUTRIENTS IN EGGS OF MIGRATORY BIRDS - APPLICATIONS TO GREAT-LAKES CONTAMINANTS RESEARCH
Authors: HOBSON KA HUGHES KD EWINS PJ
Citation: Ka. Hobson et al., USING STABLE-ISOTOPE ANALYSIS TO IDENTIFY ENDOGENOUS AND EXOGENOUS SOURCES OF NUTRIENTS IN EGGS OF MIGRATORY BIRDS - APPLICATIONS TO GREAT-LAKES CONTAMINANTS RESEARCH, The Auk, 114(3), 1997, pp. 467-478
DESIGN AND MANAGEMENT OF BIRD NESTING HABITAT - TACTICS FOR CONSERVING COLONIAL WATERBIRD BIODIVERSITY ON ARTIFICIAL ISLANDS IN HAMILTON HARBOR, ONTARIO
Authors: QUINN JS MORRIS RD BLOKPOEL H WESELOH DV EWINS PJ
Citation: Js. Quinn et al., DESIGN AND MANAGEMENT OF BIRD NESTING HABITAT - TACTICS FOR CONSERVING COLONIAL WATERBIRD BIODIVERSITY ON ARTIFICIAL ISLANDS IN HAMILTON HARBOR, ONTARIO, Canadian journal of fisheries and aquatic sciences, 53, 1996, pp. 45-57
TECHNIQUE-DEPENDENT BIASES IN DETERMINATION OF DIET COMPOSITION - AN EXAMPLE WITH RING-BILLED GULLS
Authors: BROWN KM EWINS PJ
Citation: Km. Brown et Pj. Ewins, TECHNIQUE-DEPENDENT BIASES IN DETERMINATION OF DIET COMPOSITION - AN EXAMPLE WITH RING-BILLED GULLS, The Condor, 98(1), 1996, pp. 34-41
WITHIN-SEASON VARIATION IN NEST NUMBERS OF DOUBLE-CRESTED CORMORANTS (PHALACROCORAX-AURITUS) ON THE GREAT-LAKES - IMPLICATIONS FOR CENSUSING
Authors: EWINS PJ WESELOH DV BLOKPOEL H
Citation: Pj. Ewins et al., WITHIN-SEASON VARIATION IN NEST NUMBERS OF DOUBLE-CRESTED CORMORANTS (PHALACROCORAX-AURITUS) ON THE GREAT-LAKES - IMPLICATIONS FOR CENSUSING, Colonial waterbirds, 18(2), 1995, pp. 179-192
DOUBLE-CRESTED CORMORANTS OF THE GREAT-LAKES - CHANGES IN POPULATION-SIZE, BREEDING DISTRIBUTION AND REPRODUCTIVE OUTPUT BETWEEN 1913 AND 1991
Authors: WESELOH DV EWINS PJ STRUGER J MINEAU P BISHOP CA POSTUPALSKY S LUDWIG JP
Citation: Dv. Weseloh et al., DOUBLE-CRESTED CORMORANTS OF THE GREAT-LAKES - CHANGES IN POPULATION-SIZE, BREEDING DISTRIBUTION AND REPRODUCTIVE OUTPUT BETWEEN 1913 AND 1991, Colonial waterbirds, 18, 1995, pp. 48-59
MEASUREMENT ERROR IN AERIAL SURVEYS OF OSPREY PRODUCTIVITY
Authors: EWINS PJ MILLER MJR
Citation: Pj. Ewins et Mjr. Miller, MEASUREMENT ERROR IN AERIAL SURVEYS OF OSPREY PRODUCTIVITY, The Journal of wildlife management, 59(2), 1995, pp. 333-338
THE DIET OF BALD EAGLES, HALIAEETUS-LEUCOCEPHALUS, WINTERING IN THE LOWER GREAT-LAKES BASIN, 1987-1995
Authors: EWINS PJ ANDRESS RA
Citation: Pj. Ewins et Ra. Andress, THE DIET OF BALD EAGLES, HALIAEETUS-LEUCOCEPHALUS, WINTERING IN THE LOWER GREAT-LAKES BASIN, 1987-1995, Canadian field-naturalist, 109(4), 1995, pp. 418-425
PHENOLOGY AND BREEDING SUCCESS OF FERAL ROCK DOVES, COLUMBA-LIVIA, INTORONTO, ONTARIO
Authors: EWINS PJ BAZELY DR
Citation: Pj. Ewins et Dr. Bazely, PHENOLOGY AND BREEDING SUCCESS OF FERAL ROCK DOVES, COLUMBA-LIVIA, INTORONTO, ONTARIO, Canadian field-naturalist, 109(4), 1995, pp. 426-432
OSPREYS (PANDION-HALIAETUS) SCAVENGING FISH ON ICE
Authors: EWINS PJ COUSINEAU E
Citation: Pj. Ewins et E. Cousineau, OSPREYS (PANDION-HALIAETUS) SCAVENGING FISH ON ICE, The Journal of raptor research, 28(2), 1994, pp. 120-120
AQUATIC BIRDS IN RECOVERING ECOSYSTEMS - MANAGEMENT CONFLICTS
Authors: EWINS PJ
Citation: Pj. Ewins, AQUATIC BIRDS IN RECOVERING ECOSYSTEMS - MANAGEMENT CONFLICTS, Journal of Great Lakes research, 20(4), 1994, pp. 597-598
EFFECTS ON PRODUCTIVITY OF SHOOTING OF DOUBLE-CRESTED CORMORANTS (PHALACROCORAX-AURITUS) ON PIGEON-ISLAND, LAKE-ONTARIO, IN 1993
Authors: EWINS PJ WESELOH DVC
Citation: Pj. Ewins et Dvc. Weseloh, EFFECTS ON PRODUCTIVITY OF SHOOTING OF DOUBLE-CRESTED CORMORANTS (PHALACROCORAX-AURITUS) ON PIGEON-ISLAND, LAKE-ONTARIO, IN 1993, Journal of Great Lakes research, 20(4), 1994, pp. 761-767
CHARACTERISTICS OF A RAPIDLY INCREASING COLONY OF DOUBLE-CRESTED CORMORANTS (PHALACROCORAX-AURITUS) IN LAKE-ONTARIO - POPULATION-SIZE, REPRODUCTIVE PARAMETERS AND BAND RECOVERIES
Authors: WESELOH DVC EWINS PJ
Citation: Dvc. Weseloh et Pj. Ewins, CHARACTERISTICS OF A RAPIDLY INCREASING COLONY OF DOUBLE-CRESTED CORMORANTS (PHALACROCORAX-AURITUS) IN LAKE-ONTARIO - POPULATION-SIZE, REPRODUCTIVE PARAMETERS AND BAND RECOVERIES, Journal of Great Lakes research, 20(2), 1994, pp. 443-456
GEOGRAPHICAL-DISTRIBUTION OF ORGANOCHLORINE CONTAMINANTS AND REPRODUCTIVE PARAMETERS IN HERRING-GULLS ON LAKE-SUPERIOR IN 1983
Authors: WESELOH DVC EWINS PJ STRUGER J MINEAU P NORSTROM RJ
Citation: Dvc. Weseloh et al., GEOGRAPHICAL-DISTRIBUTION OF ORGANOCHLORINE CONTAMINANTS AND REPRODUCTIVE PARAMETERS IN HERRING-GULLS ON LAKE-SUPERIOR IN 1983, Environmental monitoring and assessment, 29(3), 1994, pp. 229-251
BIRDS BREEDING IN OR BENEATH OSPREY NESTS IN THE GREAT-LAKES BASIN
Authors: EWINS PJ MILLER MJR BARKER ME POSTUPALSKY S
Citation: Pj. Ewins et al., BIRDS BREEDING IN OR BENEATH OSPREY NESTS IN THE GREAT-LAKES BASIN, The Wilson bulletin, 106(4), 1994, pp. 743-749
THE DIET OF HERRING-GULLS (LARUS-ARGENTATUS) DURING WINTER AND EARLY SPRING ON THE LOWER GREAT-LAKES
Authors: EWINS PJ WESELOH DV GROOM JH DOBOS RZ MINEAU P
Citation: Pj. Ewins et al., THE DIET OF HERRING-GULLS (LARUS-ARGENTATUS) DURING WINTER AND EARLY SPRING ON THE LOWER GREAT-LAKES, Hydrobiologia, 280, 1994, pp. 39-55
GREAT BLUE HERONS, ARDEA-HERODIAS, FEEDING AT A FISHING VESSEL OFFSHORE IN LAKE ERIE
Authors: EWINS PJ HENNESSEY B
Citation: Pj. Ewins et B. Hennessey, GREAT BLUE HERONS, ARDEA-HERODIAS, FEEDING AT A FISHING VESSEL OFFSHORE IN LAKE ERIE, Canadian field-naturalist, 106(4), 1992, pp. 521-522
RECOVERY PATTERNS OF OSPREYS, PANDION-HALIAETUS, BANDED IN CANADA UP TO 1989
Authors: EWINS PJ HOUSTON CS
Citation: Pj. Ewins et Cs. Houston, RECOVERY PATTERNS OF OSPREYS, PANDION-HALIAETUS, BANDED IN CANADA UP TO 1989, Canadian field-naturalist, 106(3), 1992, pp. 361-365
Risultati: 1-25 |