NTerritoryData.txt Date file was created: 22 Dec. 2009 Species: Acorn Woodpecker, Hastings Reservation, Monterey County, CA This filed contains annual data on the number of territories present in the 'core' population. This file was used to create Fig. 1 (Koenig et al. 2011) Fields include: YEAR Year XLN30 Mean acorn crop for that year, based on our annual acorn survey at Hastings Reservation. These are mean log-transformed number of acorns counted in 30 sec across all ~250 individual trees surveyed each year. This measure combines all our data regardless of species. NTERR Number of territories in the core study area that year CHTERR Change in number of territories from the prior year RESID Residuals from a regression of NTERR on YEAR.