GENERAL INFORMATION
1. Title of dataset: 
Data from: Relationships between egg size and maternal size, life-history forms, and habitats of Greenlandic Arctic charr (Salvelinus alpinus)

2. Author information
Name:
Kunio Takatsu1, Coralie Delarue1,2, Naomi Heller1,2, Gr?goire Saboret3,4, Jakob Brodersen1,2

Institution: 
1 Department of Fish Ecology and Evolution, Center for Ecology, Evolution & Biogeochemistry, Eawag: Swiss Federal Institute of Aquatic Science and Technology, 6047 Kastanienbaum, Switzerland
2 Department of Aquatic Ecology & Evolution, Institute of Ecology and Evolution, University of Bern, 3012 Bern, Switzerland
3 Department of Surface Waters, Center for Ecology, Evolution & Biogeochemistry, Eawag: Swiss Federal Institute of Aquatic Science and Technology, 6047 Kastanienbaum, Switzerland
4 Institute of Biogeochemistry and Pollutant Dynamics, ETH Z?rich, Universit?tstrasse 16, 8092
Z?rich, Switzerland

Email;
Oniku029t@gmail.com

3. Date of data collection: 
2021

4. Geographic location of data collection: 
Greenland

5. Funding:
This work was supported by JSPS Overseas Research Fellowship (No. 202160717) to K.T. and by SNSF funding to Project gMigration & Ecological Divergenceh (Grant Number 310030_185195) to J.B.

FILE LIST
Description: 
These data were used to explore the link between egg size variation and female body size and life-history form and spawning habitats of Greenlandic Arctic charr.

Variable list: 
river.lake: Spawning habitat (L [lake], R [river])
site: The name of the collection site
date.of.egg.collection: Date of egg collection
ID: Fish ID
SL: Female standard length (mm)
log.SL: Log-transformed female standard length
egg.collection.method: Eggs collected by pressing femalesf abdomen or dissecting females 
phenotype: Female life-history form (A [anadromous], R [resident])
number of measured eggs: The number of measured eggs (up to 50)
mean.diameter: Clutch-meach egg diameter (mm)
log.mean.diameter: Log-transformed clutch-mean egg diameter
SD.diameter: Standard deviation of clutch egg diameter
CV.diameter: Coefficient of variation (CV) of clutch egg diameter
log.CV.diameter: Log-transformed coefficient of variation (CV) of clutch egg diameter