title	mastif crop count data	
author	James S. Clark	
contact	jimclark@duke.edu	
keywords	crop counts used in the mastif project	
date last modified	 9/30/2020	
data collection	Jill Johnstone	
citation	"Viglas, J., Brown, C. & Johnstone, J. Age and size effects on seed productivity ofnorthern black spruce.Canadian Journal of Forest Research-Revue Canadienne DeRecherche Forestiere43,534–543 (2013)"	
abstract	crop counts on white spruce in NW Canada and Alaska used in the mastif project	
siteData.csv	columns:	
	Site_ID	site code
	fullName	name of site
	stateProvince	state or province
	additional columns defined by names	
treeData.csv	Site_ID	individual trees are identified by a unique Site_ID-Point-Quarter
	Point	see Site_ID
	Quarter	see Site_ID
	diam.ground	diameter at root collar (cm)
	diam.BH	DBH (cm)
	Age	years
	Cones.YEAR	cone counts by year