Dataset: Sex ratio averages by location
Deployment: White_2012

Averages from the fish survey by site.

Principal Investigator:

J. Wilson White (University of North Carolina - Wilmington, UNC-Wilmington)

Co-Principal Investigator:

Susanne Brander (University of North Carolina - Wilmington, UNC-Wilmington)

Contact:

J. Wilson White (University of North Carolina - Wilmington, UNC-Wilmington)

BCO-DMO Data Manager:

Hannah Ake (Woods Hole Oceanographic Institution, WHOI BCO-DMO)

Project:

Impacts of size-selective mortality on sex-changing fishes (Goby size-selection)

Current State:

Final no updates expected

Version:

Final

Data URL:

https://osprey.bco-dmo.org/dataset-deployment/713294/data

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Description

This dataset contains averages from population surveys of inland silversides (Menidia beryllina) collected by beach seine at sites in Suisun Bay, CA

Methods & Sampling

Dataset acquisition description

Fish survey data were collected by beach seine in the Suisun Bay region of the San Francisco Bay-Delta by Susanne Brander and Bryan Cole. Sampling methodology is fully described in Brander et al. (2013).

Data Processing Description

Dataset Processing Description

Scripts that were used to process these data can be found here: github.com/jwilsonwhite/IPM_statespace.

BCO-DMO Data Processing Notes:

-combined the peak GSI summary tables from Bryan Cole and Susanne Brander.
-two columns were added to distinguish between the data in the combined tables: investigator, and paper.
-reformatted column names to comply with BCO-DMO standards

More information about this dataset deployment

Funding

Award Number	Funding Source
OCE-1435473	NSF Division of Ocean Sciences

Instruments

Purse-seine Fishing Gear

Supplied Name: Beach seine

Supplied Description:

Used to collect samples

Instrument Type

Generic Name: Purse-seine Fishing Gear

Acronym: Purse-seine

Generic Description:

A purse seine is a large wall of netting deployed in a circle around an entire school of fish. The seine has floats along the top line with a lead line of chain along the bottom. Once a school of fish is located, a skiff pulls the seine into the water as the vessel encircles the school with the net. A cable running along the bottom is then pulled in, "pursing" the net closed on the bottom, preventing fish from escaping by swimming downward. The catch is harvested by bringing the net alongside the vessel and brailing the fish aboard.

Parameters

Supplied Name	Supplied description	Supplied Units	Standard Name
Site	Collection site	unitless	site
Total_adults	Total number of adult M. beryllina collected	count	count
Sex_ratio	Proportion of males in sample	unitless	no_bcodmo_term
variance_factor	Variance factor for regression analysis	unitless	no_bcodmo_term
Z	Z factor	unitless	no_bcodmo_term
lower	Lower statistical limit	unitless	no_bcodmo_term
upper	Upper statistical limit	unitless	no_bcodmo_term

Database

Contribute Data

Dataset: Sex ratio averages by location
Deployment: White_2012

Dataset acquisition description

Dataset Processing Description

Database

Contribute Data

Dataset: Sex ratio averages by locationDeployment: White_2012

Dataset acquisition description

Dataset Processing Description

Dataset: Sex ratio averages by location
Deployment: White_2012