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

In Fish-Forecast/FishForecast: Packages, data and scripts for Fisheries Catch Forecasting with R

Description

Annual commercial landings of anchovy, sardine and mackerel from Greek fisheries compiled by the Hellenic Statisitcal Authority.

Usage

data(greeklandings)

Format

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

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 greeklandings data object has all the species, in long format.

In addition to the main greeklandings data object, a variety of smaller data objects have been extracted for the chapters. These are the following: “' anchovy <- subset(landings, Species=="Anchovy") sardine <- subset(landings, Species=="Sardine") anchovyts <- ts(anchovy$log.metric.tons, start=1964) sardinets <- ts(anchovy$log.metric.tons, start=1964) anchovy87 <- subset(anchovy, Year<=1987) sardine87 <- subset(sardine, Year<=1987) anchovy87ts <- ts(anchovy87$log.metric.tons, start=1964) sardine87ts <- ts(anchovy87$log.metric.tons, start=1964) “'

Source

Hellenic Statisitcal Authority Digital Library

Examples

data(greeklandings)
plot(anchovy)

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

Fish-Forecast/FishForecast documentation built on Feb. 18, 2021, 5:11 p.m.