EventData of Pacific ocean perch (POP) tow information (1966-89).
data(surveyData)
Data frame consisting of 9 columns: PID
= primary polygon ID,
POS
= position of each vertex within a given polygon, X
= longitude coordinate, Y
= latitude coordinate, trip
= trip ID, tow
= tow number in trip, catch
= catch of
POP (kg), effort
= tow effort (minutes), depth
= fishing
depth (m), and year
= year of survey trip. Attributes:
projection = "LL"
, zone = 9
.
Nicholas M. Boers, Staff Software Engineer
Jobber, Edmonton AB
Last modified Rd: 2008-09-03
Schnute, J.T., Haigh, R., Krishka, B.A. and Starr, P. (2001) Pacific ocean perch assessment for the west coast of Canada in 2001. Canadian Science Advisory Secretariat, Research Document 2001/138, 90 pp.
addPoints
,
combineEvents
,
EventData,
findPolys
,
makeGrid
,
plotPoints
.