bycatch(UsingR)
bycatch()所属R语言包:UsingR
Number of Albatrosses accidentaly caught during a fishing haul
信天翁的数量accidentaly期间捕获的渔船长途
译者:生物统计家园网 机器人LoveR
描述----------Description----------
This data set from Hillborn and Mangel contains data on the number of Albatrosses accidentally caught while fishing by commercial fisheries.
从Hillborn和甜菜该数据包含数据的信天翁的数量时,偶然发现商业性渔业捕捞。
用法----------Usage----------
data(bycatch)
格式----------Format----------
A data frame with 18 observations on the following 2 variables.
18个观察以下2个变量的数据框。
no.albatross The number of albatross caught
no.albatross捕获的信天翁
no.hauls Number of hauls with this many albatross caught
no.hauls的拖拉这么多的信天翁抓
Details
详细信息----------Details----------
During fishing operations non-target species are often captured. These are called “incidental catch”. In some cases, large-scale observer programs are used to monitor this incidental catch.
在捕捞作业的非目标物种经常被抓获。这些被称为“偶然捕获”。在某些情况下,大规模的观察员计划用于监视这个偶然捕获。
When fishing for squid, albatrosses are caught while feeding on the squid at the time of fising. This feeding is encouraged while the net is being hauled in, as the squid are clustered making it an opportunistic time for the albatross to eat.
当捕捞鱿鱼,信天翁被捉住,而喂食鱿鱼的时候,fising。鼓励料被拖走,而净,它的机会主义的时间为信天翁吃的鱿鱼,被聚集。
源----------Source----------
This is from Hilborn and Mangel, The Ecological Detective, Princeton University Press, 1997. Original source of data is Bartle.
这是从Hilborn和甜菜,生态侦探“,普林斯顿大学出版社,1997年。原始数据来源是巴特尔。
实例----------Examples----------
data(bycatch)
hauls = with(bycatch,rep(no.albatross,no.hauls))
转载请注明:出自 生物统计家园网(http://www.biostatistic.net)。
注:
注1:为了方便大家学习,本文档为生物统计家园网机器人LoveR翻译而成,仅供个人R语言学习参考使用,生物统计家园保留版权。
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