greeklandings: Annual Anchovy, Sardine and Mackerel landings in Hellenic...

In nwfsc-timeseries/atsalibrary: Packages, data and scripts for ATSA course and lab book

Annual Anchovy, Sardine and Mackerel landings in Hellenic Waters 1964-2007

Description

Annual commercial landings of anchovy, sardine and mackerel from Greek fisheries compiled by the Hellenic Statistical Authority. Also included are covariates for the catch.

Usage

data(greeklandings)

greeklandings

covs

covsmean.year

covsmean.mon

Format

Objects of class "data.frame". Columns are Year, Species, log.metric.tons, metric.tons

An object of class data.frame with 264 rows and 4 columns.

An object of class list of length 3.

An object of class data.frame with 55 rows and 6 columns.

An object of class data.frame with 656 rows and 7 columns.

Details

Data are from Table IV in the "Sea Fishery by Motor Vessels" statistical reports published by the Hellenic Statisitcal Authority. The reports are available in Digital Library (ELSTAT), Special Publications, Agriculture-Livestock-Fisheries, Fisheries. In Table IV, the landings data were taken from the total column, units are metric tons. In the table, sardine is denoted ' Pilchard'. The data were assembled manually for the Fish Forecast eBook.

The covariates are Year, air.degC (air temperature), slp.millibars, sst.degC (sea surface temperature), vwnd.m/s (N/S wind speed), wspd3.m3/s3 (overall wind speed cubed). covsmean.mon and covsmean.year are averages over the 3 regions in the covs list. See the the Fish Forecast eBook for details.

Source

Hellenic Statisitcal Authority Digital Library

Examples

data(greeklandings)
anchovy = ts(subset(greeklandings, Species=="Anchovy")$log.metric.tons, start=1964)
plot(anchovy)

library(ggplot2)
ggplot(greeklandings, aes(x=Year, y=log.metric.tons)) + 
      geom_line() + facet_wrap(~Species)

nwfsc-timeseries/atsalibrary documentation built on June 15, 2025, 2:18 a.m.