Three dimensional connectivity in the Gulf of California: an online interactive webpage

Montaño-Cortés, Carolina; Marinone, S.G.; Valenzuela, E.D.

doi:10.3856/vol45-issue2-fulltext-8

Cited by 5 publications

(2 citation statements)

References 13 publications

(24 reference statements)

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“…Geostrophic estimates show distinct two-way flow near bottom between PB and AR with a Pacific-ward flow to the east and inflows to the west [ 52 ]; thus, two-way larval exchange is possible, and the 75 km distance between PB and AR vent fields lies within the average dispersal distances for most worm, clam and crustacean larvae [ 18 , 53 , 54 ]. While the recent Lagrangian connectivity model of Montaño-Cortés et al [ 55 ] does not encompass the AR field, it illustrates particles crossing basin boundaries with some vertical component in four- and eight-week runs. Thus, the distinction of macrofauna between PB and AR locales suggests that community composition is related less to geographical proximity and larval supply than to habitat suitability.…”

Section: Discussionmentioning

confidence: 99%

Hydrothermal vent fields discovered in the southern Gulf of California clarify role of habitat in augmenting regional diversity

et al. 2017

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Hydrothermal vent communities are distributed along mid-ocean spreading ridges as isolated patches. While distance is a key factor influencing connectivity among sites, habitat characteristics are also critical. The Pescadero Basin (PB) and Alarcón Rise (AR) vent fields, recently discovered in the southern Gulf of California, are bounded by previously known vent localities (e.g. Guaymas Basin and 218 N East Pacific Rise); yet, the newly discovered vents differ markedly in substrata and vent fluid attributes. Out of 116 macrofaunal species observed or collected, only three species are shared among all four vent fields, while 73 occur at only one locality. Foundation species at basalt-hosted sulfide chimneys on the AR differ from the functional equivalents inhabiting sediment-hosted carbonate chimneys in the PB, only 75 km away. The dominant species of symbiont-hosting tubeworms and clams, and peripheral suspension-feeding taxa, differ between the sites. Notably, the PB vents host a limited and specialized fauna in which 17 of 26 species are unknown at other regional vents and many are new species. Rare sightings and captured larvae of the 'missing' species revealed that dispersal limitation is not responsible for differences in community composition at the neighbouring vent localities. Instead, larval recruitment-limiting habitat suitability probably favours species differentially. As scenarios develop to design conservation strategies around mining of seafloor sulfide deposits, these results illustrate that models encompassing habitat characteristics are needed to predict metacommunity structure.

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Section: Discussionmentioning

confidence: 99%

Hydrothermal vent fields discovered in the southern Gulf of California clarify role of habitat in augmenting regional diversity

et al. 2017

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“…The seasonal signals of the currents are the same every year, but the phase of the spring–neap cycles changes annually. Thus, the trajectories of larvae are dominated by seasonal circulation, and the tides produce oscillations only during the planktonic larval period (Montaño‐Cortés et al, 2017).…”

Section: Methodsmentioning

confidence: 99%

Integral Management Zones: A novel strategy for marine bivalve production in the Gulf of California, Mexico

Soria,

Fernández‐Rivera Melo,

Tortolini

et al. 2024

Aquatic Conservation

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The development of area‐based tools that combine fishing, aquaculture and repopulation practices is increasingly necessary and important to conserve ecosystems, promote sustainable use of marine resources and contribute to the well‐being of the people that rely on them. In the Gulf of California, Mexico, two small‐scale fishers' cooperatives were granted a Permit for Exploratory Aquaculture of bivalve species, and their members decided to set three zones within those concessions: (i) a zone for natural seed collection and repopulation, (ii) a no‐take zone and (iii) an area where fishing was allowed. This management arrangement, named by them as the Integral Management Zone (Zona de Manejo Integral), was conceived as an innovative alternative to the current policy tools available in the Mexican General Law for Sustainable Fisheries and Aquaculture. The natural collection of bivalve larvae in the artificial collectors was sufficient to allow the development of the repopulation project. Based on hydrodynamic models of larval dispersal, self‐recruitment was low, and the collection of seed depended on distant sources. The broader scale (regional) connectivity source–sink patterns should be considered in the design stages of the Integral Management Zones. The implementation of the Integral Management Zones can complement other conservation and fisheries management tools available in Mexican environmental and fisheries laws. The approach envisioned to implement this tool is participative, with a meaningful role of local fishers in the decisions concerning the use of these zones, with a supportive engagement of governmental and other stakeholders (e.g., academia and civil society organizations).

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Ecological Modeling and Conservation on the Coasts of Mexico

Calderón-Aguilera

Pérez-España

Cabral-Tena

et al. 2020

Marine Coastal Ecosystems Modelling and Conservation

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Three dimensional connectivity in the Gulf of California: an online interactive webpage

Cited by 5 publications

References 13 publications

Hydrothermal vent fields discovered in the southern Gulf of California clarify role of habitat in augmenting regional diversity

Hydrothermal vent fields discovered in the southern Gulf of California clarify role of habitat in augmenting regional diversity

Integral Management Zones: A novel strategy for marine bivalve production in the Gulf of California, Mexico

Ecological Modeling and Conservation on the Coasts of Mexico

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