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Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 0.181 | Survival estimates determined using the Kaplan-Meier method | 0.05 - 0.31 (95% C.I.) | Not Reported | Chick | Lower Klamath National Wildlife Refuge | 36 | Exposure Factor Datasets |
Survival/ Mortality | 0.366 | Survival estimates determined using the Kaplan-Meier method | 0.21 - 0.52 (95% C.I.) | Not Reported | Chick | Lower Klamath National Wildlife Refuge | 41 | Exposure Factor Datasets |
Survival/ Mortality | 0.366 | Survival estimates determined using the Kaplan-Meier method | 0.19 - 0.55 (95% C.I.) | Not Reported | Chick | Lower Klamath National Wildlife Refuge | 41 | Exposure Factor Datasets |
Survival/ Mortality | 0.410 | Survival estimates determined using the Kaplan-Meier method | 0.27 - 0.54 (95% C.I.) | Not Reported | Chick | Lower Klamath National Wildlife Refuge | 50 | Exposure Factor Datasets |
Survival/ Mortality | 0.344 | Survival estimates determined using the Kaplan-Meier method | 0.20 - 0.49 (95% C.I.) | Not Reported | Chick | Lower Klamath National Wildlife Refuge | 50 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 8.5 | eggs | Not Reported | Not Reported | Suisun Marsh | 1934 | Exposure Factor Datasets | |||
Clutch or Litter Size | 8.9 | eggs | Not Reported | Not Reported | Sacramento Valley | 521 | Exposure Factor Datasets | |||
Clutch or Litter Size | 8.2 | eggs | Not Reported | Not Reported | San Joaquin Valley | 246 | Exposure Factor Datasets | |||
Clutch or Litter Size | 8.3 | eggs | Not Reported | Not Reported | Northeastern California | 227 | Exposure Factor Datasets | |||
Population Density | 20.8 | See table 2, p.99, for more detailed means. | 1.5 SE | 13.0 - 28.6 | breeding pairs/km2 | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Population Density | 1.0 | For explanation of classifications, see p. 11 (classifications are Kern NWR, hunting clubs, etc). | birds/ha | Not Reported | Not Reported | Tulare Basin, Kern National Wildlife Refuge | not reported | Exposure Factor Datasets |
Population Density | 0.25 | For explanation of classifications, see p. 11 (classifications are Kern NWR, hunting clubs, etc). | birds/ha | Not Reported | Not Reported | hunting clubs | Not Reported | Exposure Factor Datasets |
Population Density | 0.5 | For explanation of classifications, see p. 11 (classifications are Kern NWR, hunting clubs, etc). | birds/ha | Female | Not Reported | preirrigated croplands | Not Reported | Exposure Factor Datasets |
Population Density | 0.07 | For explanation of classifications, see p. 11 (classifications are Kern NWR, hunting clubs, etc). | birds/ha | Not Reported | Not Reported | evaporation ponds | Not Reported | Exposure Factor Datasets |
Population Density | 0.5 | For explanation of classifications, see p. 11 (classifications are Kern NWR, hunting clubs, etc). | birds/ha | Not Reported | Not Reported | miscellaneous | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|---|
Survival/ Mortality | 61 | These are average survival rates. For breakdown by region, see table 16, p. 27. | % | Male | Adult | not reported | Exposure Factor Datasets |
Survival/ Mortality | 56 | These are average survival rates. For breakdown by region, see table 16, p. 27. | % | Female | Adult | not reported | Exposure Factor Datasets |
Survival/ Mortality | 47 | These are average survival rates. For breakdown by region, see table 16, p. 27. | % | Male | Juvenile | not reported | Exposure Factor Datasets |
Survival/ Mortality | 46 | These are average survival rates. For breakdown by region, see table 16, p. 27. | % | Female | Juvenile | not reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|---|
Food Ingestion Rate | 43.35 | The value is an average calculated from average intake on eight different diets. See table 1 p. 783 for specific diet averages. | grams/duck/day | Male | Juvenile | 12 | Exposure Factor Datasets |
Food Ingestion Rate | 38.01 | The value is an average calculated from average intake on eight different diets. See table 1 p. 783 for specific diet averages. | grams/duck/day | Female | Juvenile | 12 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|
Survival/ Mortality | 0.713 | survival rate | Female | Both Adults and Juveniles | Chippewa National Forest | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|---|
Food Ingestion Rate | 70 | mean daily ingestion of barley at 15 C | g/day/duck | Male | Juvenile | 16 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 61 | average survival rate of birds banded 1948-1982 | percent | Male | Adult | Sacramento and San Joaquin Valleys, n.e. CA | Not Reported | Exposure Factor Datasets |
Survival/ Mortality | 56 | average survival rate of birds banded 1948-1982 | % | Female | Adult | Sacramento and San Joaquin Valleys, n.e. CA | Not Reported | Exposure Factor Datasets |
Survival/ Mortality | 47 | average survival rate of birds banded 1948-1982 | % | Male | Juvenile | Sacramento and San Joaquin Valleys, n.e. CA | Not Reported | Exposure Factor Datasets |
Survival/ Mortality | 46 | average survival rate of birds banded 1948-1982 | % | Female | Juvenile | Sacramento and San Joaquin Valleys, n.e. CA | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|
Growth Rate | 1.81%/d | maximum growth rate relative to asymptotic weight | Male | Juvenile | 48 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|
Dietary Composition | gastropoda (0.001), crustacea (0.007), insecta (0.003), and plant (0.980) | mean relative proportions (wet mass) of stomach contents | Both Male and Female | Not Reported | St. Lawrence River | 22 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|
Survival/ Mortality | 0.998 | spring-summer survival (proportion) | Male | Adult | Alberta, Saskatchewan, Manitoba | 18,650 | Exposure Factor Datasets |
Survival/ Mortality | 0.603 | spring-summer survival (proportion) | Female | Adult | Alberta, Saskatchewan, Manitoba | 16,562 | Exposure Factor Datasets |
Survival/ Mortality | 0.782 | fall-winter survival (proportion) | Male | Adult | Alberta, Saskatchewan, Manitoba | 18,650 | Exposure Factor Datasets |
Survival/ Mortality | 0.961 | fall-winter survival (proportion) | Female | Adult | Alberta, Saskatchewan, Manitoba | 16,562 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 0.574 | spring-summer survival (proportion) | 0.053 SE | Female | Adult | Alberta, Saskatchewan, Manitoba | 11,139 | Exposure Factor Datasets |
Survival/ Mortality | 0.728 | spring-summer survival (proportion) | 0.079 (SE) | Female | Yearling | Alberta, Saskatchewan, Manitoba | 1,246 | Exposure Factor Datasets |
Survival/ Mortality | 0.915 | summer to spring survival (proportion) | 0.090 (SE) | Female | Adult | Alberta, Saskatchewan, Manitoba | 11,139 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|
Food Ingestion Rate | 574.7-1182.8 g/wk | range of mean food consumption over the breeding period | Both Male and Female | Adult | 90 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|
Hatching Success | 43.9% | nest success rate (Mayfield method) among overwater nests | Female | Adult | Minnedosa, Manitoba | 47 | Exposure Factor Datasets |
Hatching Success | 12.2% | nest success rate (Mayfield method) among upland nests | Female | Adult | Minnedosa, Manitoba | 49 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|
Dietary Composition | plant (82.9-98.4%), and invertebrates (1.6-17.1%) | ranges of mean aggregate percent dry mass (stomach contents of ducks from different habitats) | Female | Both Adults and Juveniles | Squaw Creek National Wildlife Refuge | 123 | Exposure Factor Datasets |