Counting fish in the kelp forests of Baja California
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- Cite This Work
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Ramirez-Valdez, Arturo; Montaño-Moctezuma, Gabriela; Torres-Moye, Guillermo (2018). Counting fish in the kelp forests of Baja California. In dataMares: Ecological Monitoring. UC San Diego Library Digital Collections. https://doi.org/10.6075/J0XS5SNP
- Description
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Fish densities obtained from ecological surveys that aims on assess changes on the fish communities associated with the kelp forest ecosystem, using visual censuses with scuba dive equipment by researches and students of the Universidad Autonoma de Baja California, Ensenada.
- Scope And Content
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The data described here have been embargoed.
Inquiries should be directed to Arturo Ramirez-Valdez (arturorv@ucsd.edu). - Date Collected
- 2011-09-10 to 2013-12-05
- Date Issued
- 2018
- Research Team Head
- Data Manager
- Contributor
- Methods
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The sampling consisted of underwater visual censuses performed by scuba divers carrying out belt transects of 30 meters length (verified with tape measure) and a window of 2x2 meters of amplitude (30 × 2 m, assessment unit: 60 m2). For each locality, 6 transects were done, three in the benthic zone, and three in the midwater zone. The midwater position was weighted by the depth of the sampling site; 4-6 m from the bottom if the depth in the site is less than 10 m and 6-8 m if the depth is greater than 10 m. Transects were made trying to keep the same direction and speed, and changing direction between transects to avoid pseudoreplicate. To record the species and their sizes, acrylic boards and plastic paper (Duracopy) were used. All transects were performed between 08:00 a.m. to 2:00 p.m.
Fish species, abundance and fish sizes (2011= size classes 0-15cm, 15-30cm, 30-or more; 2012=no size classes; 2-2013= 5cm size classes) - Technical Details
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Software used: Microsoft Excel. Coordinate system: WGS 1984.
- Geographics
- Topics
Format
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- Languages
- English
- Spanish; Castilian
- Identifier
- Related Resource
- Arturo Ramírez Valdez, Gabriela Montaño Moctezuma, Guillermo Torres Moye, Juan Carlos Villaseñor Derbez, Octavio Aburto Oropeza (2015): Contando los peces en los bosques de kelp de Baja California. DataMares. InteractiveResource. https://doi.org/10.13022/M3759P
- Arturo Ramírez Valdez, Gabriela Montaño Moctezuma, Guillermo Torres Moye, Juan Carlos Villaseñor Derbez, Octavio Aburto-Oropeza (2014): Counting fish in the Kelp forests of Baja California. DataMares. InteractiveResource. https://doi.org/10.13022/M3BC7X
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- License
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Creative Commons Attribution 4.0 International Public License
- Rights Holder
- UC Regents
- Copyright
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Under copyright (US)
Use: This work is available from the UC San Diego Library. This digital copy of the work is intended to support research, teaching, and private study.
Constraint(s) on Use: This work is protected by the U.S. Copyright Law (Title 17, U.S.C.). Use of this work beyond that allowed by "fair use" or any license applied to this work requires written permission of the copyright holder(s). Responsibility for obtaining permissions and any use and distribution of this work rests exclusively with the user and not the UC San Diego Library. Inquiries can be made to the UC San Diego Library program having custody of the work.
- Digital Object Made Available By
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Research Data Curation Program, UC San Diego, La Jolla, 92093-0175 (https://lib.ucsd.edu/rdcp)
- Last Modified
2023-11-09