This readme.txt file was generated on 20211208 by William J. Severud

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GENERAL INFORMATION
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1. R code and data for "Survival of Sandhill Crane colts in Minnesota"

2. Author Information

  Principal Investigator Contact Information
        Name: William J. Severud
           Institution: Department of Veterinary Population Medicine
           Address: University of Minnesota Twin Cities
           Email: seve0135@umn.edu
	   ORCID: 0000-0003-0150-5986
	   
  Associate or Co-investigator Contact Information
           Name: David W. Wolfson
           Institution: Minnesota Cooperative Fish and Wildlife Research Unit and Department of Fisheries, Wildlife, and Conservation Biology
           Address: University of Minnesota Twin Cities
           Email: wolfs064@umn.edu
	   ORCID: 0000-0003-1098-9206

  Associate or Co-investigator Contact Information
           Name: John R. Fieberg
           Institution: Department of Fisheries, Wildlife, and Conservation Biology
           Address: University of Minnesota Twin Cities
           Email: jfieberg@umn.edu
 	   ORCID: 0000-0002-3180-7021
 
  Associate or Co-investigator Contact Information
           Name: David E. Andersen
           Institution: U.S. Geological Survey, Minnesota Cooperative Fish and Wildlife Research Unit
           Address: University of Minnesota Twin Cities
           Email: dea@umn.edu
	   ORCID: 0000-0001-9535-3404

3. Date of data collection: 20140401 to 20151031

4. Geographic location of data collection (where was data collected?): Minnesota

5. Information about funding sources that supported the collection of the data:
Funding for this project was provided by the U.S. Fish and Wildlife Service and U.S. Geological Survey (Science Support Program) through Research Work Order No. 101 at the U.S. Geological Survey, 
Minnesota Cooperative Fish and Wildlife Research Unit; by the Minnesota Environmental and Natural Resources Trust Fund as recommended by the Legislative-Citizen Commission on Minnesota Resources (LCCMR); 
by the U.S. Fish and Wildlife Service Webless Migratory Game Bird Program; and by the Minnesota Department of Natural Resources. JF received partial salary support from the Minnesota Agricultural Experimental Station.  
Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government, the University of Minnesota, or the State of Minnesota.

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SHARING/ACCESS INFORMATION
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1. Licenses/restrictions placed on the data: Attribution-NonCommercial-ShareAlike 3.0 United States

2. Links to publications that cite or use the data: 
Severud, et al. Survival of Sandhill Crane colts in Minnesota, submitted to Journal of Fish and Wildlife Management

3. Links to other publicly accessible locations of the data:

4. Links/relationships to ancillary data sets: 

5. Was data derived from another source?
           If yes, list source(s): 

6. Recommended citation for the data:
	Severud, Wolfson, Fieberg, and Andersen. R code and data supporting: Survival of Sandhill Crane colts in Minnesota. University of Minnesota Digital Conservancy.

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DATA & FILE OVERVIEW
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1. File List
   A. Filename:  ColtSurvData.csv
      Short description:  Raw data for survival analysis      
        
   B. Filename:	DRUMcolt.Rmd
      Short description: code to conduct survival analysis 

   C. Filename: DRUMcolt.html
      Short description: code and results from the RMD file 
   
2. Relationship between files:   R code uses .csv files as data inputs    

3. Additional related data collected that was not included in the current data package: N/A

4. Are there multiple versions of the dataset? no
   
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METHODOLOGICAL INFORMATION
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1. Description of methods used for collection/generation of data:
We captured and handled hatch-year (colt) sandhill cranes and attached monitoring devices to track their survival.  Further details can be found in:
Severud et al. Survival of Sandhill Crane colts in Minnesota. Submitted. Journal of Fish and Wildlife Management.

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DATA-SPECIFIC INFORMATION FOR: ColtSurvData.csv
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1. Number of variables:11

2. Number of cases/rows: 36

3. Missing data codes:
        Code/symbol [blank]       Definition: beyond scope of study

4. Variable List
          
    A. Name: colt_ID
       Description: Unique identifier for each colt

    B. Name: nest_ID
       Description: Unique identifier for each nest

    C. Name: sex
       Description: Sex of colt determined by blood analysis.  Blank if unknown (no blood taken).

    D. Name: Cap.age.days
       Description: Colt age in days at capture

    E. Name: capture.date
       Description: date of capture in mo/day/year format 

    F. Name: Fate.Age
       Description: Age of colt in days at fate (either at death or when censored)

    G. Name: Surv
       Description: Binary indicating if colt survived (1) or died (0)

    H. Name: cause_death
       Description: Cause of death, if could be determined

    I. Name: lastdateknownalive
       Description: Last date colt was observed alive in mo/day/year format

    J. Name: firstdateknowndead
       Description: Last date colt was observed alive in mo/day/year format

    K. Name: bd
       Description: Birthdate of colt in mo/day/year format