Mangroves monitoring - Snappers
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- Collection
- Cite This Work
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Aburto-Oropeza, Octavio (2017). Mangroves monitoring - Snappers. In dataMares: Ecological Monitoring. UC San Diego Library Digital Collections. https://doi.org/10.6075/J0B56GW0
- Description
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The Gulf of California Marine Program and El Centro para la Biodiversidad Marina y Conservacion have collaborated in a long-term monitoring effort of marine habitats in the Gulf of California since 1998. These data allow researchers to assess changes in habitat and wildlife populations over time. Mangroves, one of the habitats in the Gulf included in the monitoring program, are surveyed for the populations of fish living in the fringe of prop roots of Rhizophora mangle (red mangroves) at the waters edge of mangrove forests. These surveys are conducted by researchers who snorkel along a 50 m transect along the perimeter of the mangrove, identifying, size-estimating, and counting each fish observered within a 1 m swath on each side of the transect. The numbers of individuals in each species and size category are recorded. This dataset includes data from 2006 to 2009 on fishes of the family Lutjanidae (snappers), an important group for fisheries and one which depends on the mangrove fringe as nursery habitat, and combines them with descriptions of the geological substrate, location, and extent of the mangrove forest at each site. In 2007 and 2009, the two years with the most comprehensive sampling of mangrove sites, the data show that the densities of juvenile snapper at each site--and thus the productivity of each mangrove in terms of recruitment to local fisheries--changes from year to year. In 2007, rocky mangrove habitats throughout the region produced more juvenile snappers than sandy habitats, while in 2009, all habitats in the central Gulf were consistently more productive than all those in the sourthern Gulf. These results highlight the productivity of mangrove habitats to offshore fish populations and fisheries and demonstrate the significant effects of interannual environmental variation (e.g., El Nino/Southern Oscillation) on the nursery function of these habitats.
- Scope And Content
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Inquiries should be directed to Octavio Aburto-Oropeza (maburto@ucsd.edu)
- Date Collected
- 2006-11-02 to 2009-07-25
- Date Issued
- 2017
- Research Team Head
- Data Manager
- Contributor
- Methods
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These surveys are conducted by researchers who snorkel along a 50 m transect along the perimeter of the mangrove, identifying, size-estimating, and counting each fish observered within a 1 m swath on each side of the transect. The numbers of individuals in each species and size category are recorded. This dataset includes data from 2006 to 2009 on fishes of the family Lutjanidae (snappers), an important group for fisheries and one which depends on the mangrove fringe as nursery habitat, and combines them with descriptions of the geological substrate, location, and extent of the mangrove forest at each site.
- Technical Details
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Software used: Microsoft Excel. Coordinate system: WGS 1984.
- Geographic
- Topics
Format
View formats within this collection
- Languages
- English
- Spanish; Castilian
- Identifier
- Related Resource
- Matthew Thomas Costa, Isaí Dominguez-Guerrero, José Cota-Nieto, Exequiel Ezcurra and Octavio Aburto-Oropeza (2015): Los manglares son productores de pargos. DataMares. InteractiveResource. https://doi.org/10.13022/M3F30F
- Matthew Thomas Costa, Isaí Dominguez-Guerrero, José Cota-Nieto, Exequiel Ezcurra, and Octavio Aburto-Oropeza (2015): Mangroves are snapper generators. DataMares. InteractiveResource. https://doi.org/10.13022/M3JS3D
Interactive viewer
- 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