2012_2016_jcw_nestsurvival _csv

Lapland longspur and Gambel's white crowned sparrow egg and nestling survival near Toolik Field Station, Alaska, summers 2012- 2016. 

Variables

Nest_ID
  • Label: Nest_ID
  • Definition: Unique identifier for each nest
  • Type: Nominal
  • Missing values: None specified
species
  • Label: species
  • Definition: Species name (LALO= Lapland longspur, GWCS= Gambel's white-crowned sparrow)
  • Type: Nominal
  • Missing values: None specified
site
  • Label: site
  • Definition: Site
  • Type: Nominal
  • Missing values: None specified
Egg_ID
  • Label: Egg_ID
  • Definition: Unique identified for an egg within nest
  • Type: Physical quantity
  • Unit: number
  • Maximum: 6
  • Minimum: 1
  • Precision: Not specified
  • Missing values: None specified
date
  • Label: date
  • Definition: Date of observation
  • Type: Date/time
  • Date format: MM/DD/YYYY
  • Missing values: None specified
Alive
  • Label: Alive
  • Definition: Status of egg (Alive/ Dead)
  • Type: Nominal
  • Missing values: None specified
prev.obs
  • Label: prev.obs
  • Definition: Date of previous observation or if first observation estimated final egglay date.
  • Type: Date/time
  • Date format: MM/DD/YYYY
  • Missing values:
    • NA = Missing value
Interval
  • Label: Interval
  • Definition: Number of days between current observation and previous
  • Type: Physical quantity
  • Unit: number
  • Maximum: 21
  • Minimum: 0
  • Precision: Not specified
  • Missing values: None specified
Renest
  • Label: Renest
  • Definition: Scored as 0/1 (no/yes) and used to conduct analyses separately for renests and first clutches
  • Type: Physical quantity
  • Unit: number
  • Maximum: 1
  • Minimum: 0
  • Precision: Not specified
  • Missing values: None specified
Researcher_Death
  • Label: Researcher_Death
  • Definition: Scored as 0/1 (no/ yes) and used to exclude eggs accidentally cracked by researchers
  • Type: Physical quantity
  • Unit: number
  • Maximum: 1
  • Minimum: 0
  • Precision: Not specified
  • Missing values: None specified
Est_CI
  • Label: Est_CI
  • Definition: Estimated clutch initiation date
  • Type: Date/time
  • Date format: MM/DD/YYYY
  • Missing values: None specified
Est_Final_Egglay
  • Label: Est_Final_Egglay
  • Definition: Estimated date that the last egg was laid in nest, used with date of observation to calculate nest age.
  • Type: Date/time
  • Date format: MM/DD/YYYY
  • Missing values: None specified
Data Source Details

Header lines: 

4

Orientation: 

Column

Quote character: 

"

Field delimiter: 

,

Record delimiter: 

\r\n

Number of Records: 

8791