| Type: | Package | 
| Title: | A Small Collection of Fish Population Datasets | 
| Version: | 1.0.1 | 
| Maintainer: | Conor Neilson <condwanaland@gmail.com> | 
| Description: | A collection of four datasets based around the population dynamics of migratory fish. Datasets contain both basic size information on a per fish basis, as well as otolith data that contains a per day record of fish growth history. All data in this package was collected by the author, from 2015-2016, in the Wellington region of New Zealand. | 
| License: | GPL-3 | 
| Depends: | R (≥ 2.10) | 
| Encoding: | UTF-8 | 
| LazyData: | true | 
| RoxygenNote: | 7.1.1 | 
| Suggests: | knitr, rmarkdown, dplyr, magrittr, dm, ggplot2, tidyr, DiagrammeRsvg, DiagrammeR | 
| VignetteBuilder: | knitr | 
| NeedsCompilation: | no | 
| Packaged: | 2021-05-22 23:00:03 UTC; conorneilson | 
| Author: | Conor Neilson [aut, cre] | 
| Repository: | CRAN | 
| Date/Publication: | 2021-05-23 04:20:02 UTC | 
Growth data of adult fish
Description
A dataset containing daily age and growth data for adult Galaxis maculatus.
Usage
adult_growth
Format
A dataset containing 16795 rows and 4 variables
- fish_code
- Foreign key, matches to 'adults'. Identifies the fish being measured. 
- period
- a count of each otolith increment. Counts a day in the fishes life 
- position
- the distance of the increment from the centre of the otolith 
- distance
- the distance of the increment from the previous increment 
Examples
data(adult_growth)
Adult fish metrics data
Description
A dataset containing metrics data for adult Galaxis maculatus.
Usage
adult_metrics
Format
A dataset containing 48 rows and 6 variables
- fish_id
- a unique identifier for each fish 
- standard_length
- standard length of the fish (distance from posterior to caudal peduncle), cm 
- body_depth
- body depth of the fish at its maximum point, cm 
- age
- Age of fish when caught (days) 
- birthdate
- Day fish hatched 
- growth_rate
- Average daily growth of fish (mm/day) 
Examples
data(adult_metrics)
Base table of adult fish sample sites and dates.
Description
A dataset containing base location and time catch information for adult Galaxis maculatus.
Usage
adults
Format
A dataset containing 48 rows and 4 variables
- fish_code
- Primary key, uniquely identifies a fish 
- site
- Site where fish was caught 
- day
- Day group fish was caught on (H1 = 1st day fishing, H3 = 3rd day fishing). Used for by-day grouping analysis. For actual catch date see 'catch_date' 
- catch_date
- Date that the fish was caught on 
Examples
data(adults)
Growth data of juvenile fish
Description
A dataset containing daily growth data for juvenile Galaxis maculatus.
Usage
juvenile_growth
Format
A dataset containing 87581 rows and 5 variables
- fish_code
- Foreign key, links with 'juveniles' 
- otolith_code
- Alternate key 
- period
- a count of each otolith increment. Counts a day in the fishes life 
- position
- the distance of the increment from the centre of the otolith 
- distance
- the distance of the increment from the previous increment 
Examples
data(juvenile_growth)
Juvenile fish metrics data
Description
A dataset containing metrics data for juvenile Galaxis maculatus.
Usage
juvenile_metrics
Format
A dataset containing 496 rows and 8 variables
- fish_code
- Foreign key (matches with 'juveniles') 
- standard_length
- standard length of the fish (distance from posterior to caudal peduncle), cm 
- body_depth
- body depth of the fish at its maximum point, cm 
- age
- Age of fish when caught (days) 
- birthdate
- Day fish hatched 
- growth_rate
- Average daily growth of fish (mm/day) 
- growth_rate
- Average daily growth of fish over first 10 days of life (mm/day) 
- growth_rate
- Average daily growth of fish over last 10 days of life (mm/day) 
Examples
data(juvenile_metrics)
Base table of juvenile fish sample sites and dates.
Description
A dataset containing base location and time catch information for juvenile Galaxis maculatus.
Usage
juveniles
Format
A dataset containing 496 rows and 7 variables
- fish_code
- Primary key, uniquely identifies each fish 
- fish
- Alternate key 
- otolith_code
- Alternate key 
- site
- Site that fish was caught on 
- day
- Day group that the fish was collected on (1 = 1st fishing day, 5 = 5th fishing day). For exact catch date, see 'catch_date' 
- month
- Month that the fish was collected on 
- catch_date
- Day that fish was caught on 
Examples
data(juveniles)