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   set  data   graph     files  public Fish observations corresponding to one fish or a group of conspecific fish taken in Point
Lobos, California between 1997 and 2007.
   ?     I   M   background (external link) RSS BCO-DMO bcodmo_dataset_712771

The Dataset's Variables and Attributes

Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL access_formats String .htmlTable,.csv,.json,.mat,.nc,.tsv
attribute NC_GLOBAL acquisition_description String Fish survey data were collected by\u00a0underwater\u00a0visual survey on
transects in kelp forests surrounding Pt. Lobos California from
1999-2007.\u00a0Full\u00a0description of details is provided in Appendix S1 of
White et al. (2016).
attribute NC_GLOBAL awards_0_award_nid String 542383
attribute NC_GLOBAL awards_0_award_number String OCE-1435473
attribute NC_GLOBAL awards_0_data_url String http://www.nsf.gov/awardsearch/showAward?AWD_ID=1435473 (external link)
attribute NC_GLOBAL awards_0_funder_name String NSF Division of Ocean Sciences
attribute NC_GLOBAL awards_0_funding_acronym String NSF OCE
attribute NC_GLOBAL awards_0_funding_source_nid String 355
attribute NC_GLOBAL awards_0_program_manager String Dr David L. Garrison
attribute NC_GLOBAL awards_0_program_manager_nid String 50534
attribute NC_GLOBAL cdm_data_type String Other
attribute NC_GLOBAL comment String Observations of a fish or a group of conspecific fish
J. W. White, M. Carr, and R. Starr, PIs
Version 4 August 2017
attribute NC_GLOBAL Conventions String COARDS, CF-1.6, ACDD-1.3
attribute NC_GLOBAL creator_email String info at bco-dmo.org
attribute NC_GLOBAL creator_name String BCO-DMO
attribute NC_GLOBAL creator_type String institution
attribute NC_GLOBAL creator_url String https://www.bco-dmo.org/ (external link)
attribute NC_GLOBAL data_source String extract_data_as_tsv version 2.2d 13 Jun 2019
attribute NC_GLOBAL date_created String 2017-08-11T20:41:49Z
attribute NC_GLOBAL date_modified String 2019-03-20T15:38:24Z
attribute NC_GLOBAL defaultDataQuery String &time
attribute NC_GLOBAL doi String 10.1575/1912/bco-dmo.712771.1
attribute NC_GLOBAL infoUrl String https://www.bco-dmo.org/dataset/712771 (external link)
attribute NC_GLOBAL institution String BCO-DMO
attribute NC_GLOBAL keywords String bco, bco-dmo, biological, campus, chemical, classcode, count, data, dataset, day, depth, dmo, erddap, fish, fish_tl, level, management, max, max_tl, method, min, min_tl, month, observer, oceanography, office, preliminary, ptccnpy, side, site, statistics, surface, surface waves, surge, temperature, time, transect, vis, waves, windwave, year, zone
attribute NC_GLOBAL license String The data may be used and redistributed for free but is not intended
for legal use, since it may contain inaccuracies. Neither the data
Contributor, ERD, NOAA, nor the United States Government, nor any
of their employees or contractors, makes any warranty, express or
implied, including warranties of merchantability and fitness for a
particular purpose, or assumes any legal liability for the accuracy,
completeness, or usefulness, of this information.
attribute NC_GLOBAL metadata_source String https://www.bco-dmo.org/api/dataset/712771 (external link)
attribute NC_GLOBAL param_mapping String {'712771': {}}
attribute NC_GLOBAL parameter_source String https://www.bco-dmo.org/mapserver/dataset/712771/parameters (external link)
attribute NC_GLOBAL people_0_affiliation String Oregon State University
attribute NC_GLOBAL people_0_affiliation_acronym String OSU
attribute NC_GLOBAL people_0_person_name String J Wilson White
attribute NC_GLOBAL people_0_person_nid String 516429
attribute NC_GLOBAL people_0_role String Principal Investigator
attribute NC_GLOBAL people_0_role_type String originator
attribute NC_GLOBAL people_1_affiliation String University of California-Santa Cruz
attribute NC_GLOBAL people_1_affiliation_acronym String UC Santa Cruz
attribute NC_GLOBAL people_1_person_name String Mark Carr
attribute NC_GLOBAL people_1_person_nid String 51504
attribute NC_GLOBAL people_1_role String Co-Principal Investigator
attribute NC_GLOBAL people_1_role_type String originator
attribute NC_GLOBAL people_2_affiliation String Moss Landing Marine Laboratories
attribute NC_GLOBAL people_2_affiliation_acronym String MLML
attribute NC_GLOBAL people_2_person_name String Dr Rick Starr
attribute NC_GLOBAL people_2_person_nid String 712778
attribute NC_GLOBAL people_2_role String Co-Principal Investigator
attribute NC_GLOBAL people_2_role_type String originator
attribute NC_GLOBAL people_3_affiliation String Oregon State University
attribute NC_GLOBAL people_3_affiliation_acronym String OSU
attribute NC_GLOBAL people_3_person_name String J Wilson White
attribute NC_GLOBAL people_3_person_nid String 516429
attribute NC_GLOBAL people_3_role String Contact
attribute NC_GLOBAL people_3_role_type String related
attribute NC_GLOBAL people_4_affiliation String Woods Hole Oceanographic Institution
attribute NC_GLOBAL people_4_affiliation_acronym String WHOI BCO-DMO
attribute NC_GLOBAL people_4_person_name String Hannah Ake
attribute NC_GLOBAL people_4_person_nid String 650173
attribute NC_GLOBAL people_4_role String BCO-DMO Data Manager
attribute NC_GLOBAL people_4_role_type String related
attribute NC_GLOBAL project String Impacts of size-selective mortality on sex-changing fishes
attribute NC_GLOBAL projects_0_acronym String Goby size-selection
attribute NC_GLOBAL projects_0_description String Description from NSF award abstract:
Many marine fish species change sex during their lifetimes, and many of them are targets of commercial and recreational fishing. The timing of sex change in these animals is often related to body size, so populations typically consist of many small fish of the initial sex (usually female) and few large fish of the other sex (usually male). In nature, smaller fish are at a greater risk of mortality due to predation, but fishermen tend to seek larger fish. Thus fishing that targets larger individuals may skew sex ratios, removing enough of the larger sex to hinder reproduction. However, the extent to which size-selective mortality affects sex-changing fishes is poorly understood. This research will explore the effects of size-selective mortality on the population dynamics of sex-changing species using an integrated set of field experiments and mathematical models. It will provide the first experimental exploration of the sensitivity of different sex-change patterns and reproductive strategies to selective mortality. The results will advance our knowledge of the susceptibility and resilience of sex-changing organisms to different types of size-selective mortality and will reveal how sex-changing species can recover after size-selection ceases, as in populations within marine reserves where fishing is suddenly prohibited. The findings will inform fisheries management policies, which do not currently consider the ability of a species to change sex in setting fisheries regulations.
This project will consist of a three-year study of the effects of size-specific mortality on sex-changing fishes. Field experiments will use three closely related rocky-reef fishes that differ in sex-change pattern and are amenable to field manipulation and direct measurement of reproductive output. The species include a protogynous hermaphrodite (a female-to-male sex-change pattern common among harvested species) and two simultaneous hermaphrodites that differ in their ability to switch between male and female. Two types of experiments will be conducted on populations established on replicate patch reefs at Santa Catalina Island, California: (1) sex ratios will be manipulated to determine when the scarcity of males limits population-level reproductive output; and (2) experiments cross-factoring the intensity of mortality with the form of size-selection (i.e., higher mortality of large or small individuals) will test the demographic consequences of size-selective mortality. In concert with the field experiments, size- and sex-structured population models (integral projection models) will be developed for use in three ways: (1) to evaluate how different types of selective mortality should affect population dynamics; (2) to predict outcomes of the field experiments, testing/validating the model and allowing direct prediction of the ecological significance of short-term selection; and (3) to fit to existing survey data for a fourth species, a widely fished, sex-changing fish, inside and outside of marine reserves. Part (3) will evaluate whether and how quickly the mating system and reproductive output of that species (not directly measurable in the field) is recovering inside reserves. This integrated set of field experiments and models will yield novel insight into the effects of size-selective mortality on the population dynamics of sex-changing marine species.
attribute NC_GLOBAL projects_0_end_date String 2018-02
attribute NC_GLOBAL projects_0_geolocation String Southern California, Santa Catalina Island
attribute NC_GLOBAL projects_0_name String Impacts of size-selective mortality on sex-changing fishes
attribute NC_GLOBAL projects_0_project_nid String 516431
attribute NC_GLOBAL projects_0_start_date String 2015-03
attribute NC_GLOBAL publisher_name String Hannah Ake
attribute NC_GLOBAL publisher_role String BCO-DMO Data Manager(s)
attribute NC_GLOBAL sourceUrl String (local files)
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v29
attribute NC_GLOBAL subsetVariables String campus, method
attribute NC_GLOBAL summary String Fish observations corresponding to one fish or a group of conspecific fish taken in Point Lobos, California between 1997 and 2007.
attribute NC_GLOBAL title String Fish observations corresponding to one fish or a group of conspecific fish taken in Point Lobos, California between 1997 and 2007.
attribute NC_GLOBAL version String 1
attribute NC_GLOBAL xml_source String osprey2erddap.update_xml() v1.5-beta
variable year   short  
attribute year _FillValue short 32767
attribute year actual_range short 1999, 2014
attribute year description String Year of collection
attribute year ioos_category String Time
attribute year long_name String Year
attribute year units String unitless
variable month   byte  
attribute month _FillValue byte 127
attribute month actual_range byte 7, 11
attribute month description String Month of collection
attribute month ioos_category String Time
attribute month long_name String Month
attribute month units String unitless
variable day   byte  
attribute day _FillValue byte 127
attribute day actual_range byte 3, 30
attribute day description String Day of collection
attribute day ioos_category String Time
attribute day long_name String Day
attribute day units String unitless
variable site   String  
attribute site description String Site name
attribute site ioos_category String Unknown
attribute site long_name String Site
attribute site units String unitless
variable campus   String  
attribute campus description String Group collecting the data; UCSC or UCSB
attribute campus ioos_category String Unknown
attribute campus long_name String Campus
attribute campus units String unitless
variable method   String  
attribute method description String Survey method; SBTL_fish = subtidal visual surveys
attribute method ioos_category String Unknown
attribute method long_name String Method
attribute method units String unitless
variable side   String  
attribute side description String Side of site; East or West
attribute side ioos_category String Unknown
attribute side long_name String Side
attribute side units String unitless
variable zone   String  
attribute zone description String Zone within side; inner outer etc.
attribute zone ioos_category String Unknown
attribute zone long_name String Zone
attribute zone units String unitless
variable level   String  
attribute level description String Depth of survey; CAN = canopy; BOT = bottom; MID = midwater
attribute level ioos_category String Unknown
attribute level long_name String Level
attribute level units String unitless
variable transect   byte  
attribute transect _FillValue byte 127
attribute transect actual_range byte 1, 3
attribute transect description String Transect number
attribute transect ioos_category String Unknown
attribute transect long_name String Transect
attribute transect units String unitless
variable classcode   String  
attribute classcode description String 4-letter species code; NO_ORG = no organisms observed
attribute classcode ioos_category String Unknown
attribute classcode long_name String Classcode
attribute classcode units String unitless
variable count   short  
attribute count _FillValue short 32767
attribute count actual_range short 1, 229
attribute count colorBarMaximum double 100.0
attribute count colorBarMinimum double 0.0
attribute count description String Number of fish observed
attribute count ioos_category String Statistics
attribute count long_name String Count
attribute count units String count
variable fish_tl   float  
attribute fish_tl _FillValue float NaN
attribute fish_tl actual_range float 2.0, 70.0
attribute fish_tl description String Total length of fish observed
attribute fish_tl ioos_category String Unknown
attribute fish_tl long_name String Fish Tl
attribute fish_tl units String millimeters
variable min_tl   byte  
attribute min_tl _FillValue byte 127
attribute min_tl actual_range byte 3, 36
attribute min_tl description String Minimum total length (if in a group)
attribute min_tl ioos_category String Unknown
attribute min_tl long_name String Min Tl
attribute min_tl units String millimeters
variable max_tl   byte  
attribute max_tl _FillValue byte 127
attribute max_tl actual_range byte 4, 40
attribute max_tl description String Maximum total length (if in a group)
attribute max_tl ioos_category String Unknown
attribute max_tl long_name String Max Tl
attribute max_tl units String millimeters
variable observer   String  
attribute observer description String Name of observer
attribute observer ioos_category String Unknown
attribute observer long_name String Observer
attribute observer units String unitless
variable depth_   float  
attribute depth_ _FillValue float NaN
attribute depth_ actual_range float 0.2, 24.1
attribute depth_ colorBarMaximum double 8000.0
attribute depth_ colorBarMinimum double -8000.0
attribute depth_ colorBarPalette String TopographyDepth
attribute depth_ description String Depth of transect
attribute depth_ ioos_category String Location
attribute depth_ long_name String Depth
attribute depth_ standard_name String depth
attribute depth_ units String meters
variable vis   float  
attribute vis _FillValue float NaN
attribute vis actual_range float 2.0, 30.0
attribute vis description String Visability on transect
attribute vis ioos_category String Unknown
attribute vis long_name String Vis
attribute vis units String meters
variable temp   float  
attribute temp _FillValue float NaN
attribute temp actual_range float 7.2, 17.4
attribute temp description String Temperature at transect
attribute temp ioos_category String Temperature
attribute temp long_name String Temperature
attribute temp units String degrees Celsius
variable surge   String  
attribute surge description String Qualitative description of surge
attribute surge ioos_category String Unknown
attribute surge long_name String Surge
attribute surge units String unitless
variable windwave   String  
attribute windwave description String Qualitative description of wind and wave conditions
attribute windwave ioos_category String Surface Waves
attribute windwave long_name String Windwave
attribute windwave units String unitless
variable ptccnpy   byte  
attribute ptccnpy _FillValue byte 127
attribute ptccnpy actual_range byte 0, 3
attribute ptccnpy description String Relative kelp canopy cover; 0-3
attribute ptccnpy ioos_category String Unknown
attribute ptccnpy long_name String PTCCNPY
attribute ptccnpy units String percent

The information in the table above is also available in other file formats (.csv, .htmlTable, .itx, .json, .jsonlCSV, .jsonlKVP, .mat, .nc, .nccsv, .tsv, .xhtml) via a RESTful web service.


 
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