Modeling an exploited rocky coastal ecosystem: Bahia Tortugas, Mexico

Morales-Zárate, María V.; Lluch-Cota, Salvador E.; Servière‐Zaragoza, Elisa; Próo, Sergio Guzmán del

doi:10.1016/j.ecolmodel.2010.12.011

Cited by 17 publications

(7 citation statements)

References 14 publications

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“…The characterization of the SML CWC province in terms of structure and functioning was carried out calibrating a mass-balanced model for the representation of the food web related to the benthopelagic fauna. Each simulation was based on biomass data (B) directly sampled in the SML CWC province and other basic parameters (i.e., P/B, Q/B, Un/Q) that were adopted from other similar studies performed worldwide (e.g., Neira et al 2004;Sánchez and Olaso 2004;Zuozhi et al 2011;Morales-Zárate et al 2011;Bȃnaru et al 2013) and in the Mediterranean Sea (Coll et al 2006(Coll et al , 2007Barausse et al 2009;Tsagarakis, et al 2010;Fouzai et al 2012, Tecchio et al 2013). In many of these studies, pelagic and demersal domains were generally integrated and simulations were developed at the level of functional group.…”

Section: Discussionmentioning

confidence: 99%

A trophic model of the benthopelagic fauna distributed in the Santa Maria di Leuca cold-water coral province (Mediterranean Sea)

Vassallo

D’Onghia

Fabiano

et al. 2016

Energ. Ecol. Environ.

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The benthopelagic fauna distributed in and around the Santa Maria di Leuca (SML) cold-water coral (CWC) province (Northern Ionian Sea-Central Mediterranean Sea) was analyzed through the development of a mass-balanced ecosystem model. A total of nine balanced simulations were provided taking into account the biomass data collected during several experimental bottom trawl surveys carried out from 2005 to 2010 in a depth range between 101 and 541 m. A total of 100 species were included in the analysis corresponding to 15 cephalopods, 25 crustaceans, 7 chondrichthyes and 54 osteichthyes. Simulations were developed maintaining the species-level detail. The total system throughput estimated in the SML CWC province trophic web resulted mainly due to consumption and about 80% of it was maintained by species with trophic level between 2 and 4. Results highlighted important features in terms of the structure and functioning of the system, such as the high level of activity maintained by intermediate trophic levels and the important role of top-down control in the faunal assemblage due to both vertebrate and invertebrate species.

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Section: Discussionmentioning

confidence: 99%

A trophic model of the benthopelagic fauna distributed in the Santa Maria di Leuca cold-water coral province (Mediterranean Sea)

Vassallo

D’Onghia

Fabiano

et al. 2016

Energ. Ecol. Environ.

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“…We developed an EwE model for this study due to the practical considerations associated with developing, running, and analyzing a suite of OA simulations as well as the availability of previous OA studies using this framework for comparison [31,40,41], providing a foundation to build upon and compare results with. Only a few ecosystem models have been published for kelp forest ecosystems [42][43][44][45][46]. While other quantitatively robust ecosystem modeling software packages are available for this type of ecosystem assessment, such as Atlantis [47], the Atlantis model for the California Current does not include a nearshore kelp community component and developing one would have been a multi-year effort falling outside the scope of this project.…”

Section: Model Developmentmentioning

confidence: 99%

Forecasting ocean acidification impacts on kelp forest ecosystems

Schlenger

Beas-Luna

Ambrose

2020

Preprint

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AbstractOcean acidification is one the biggest threats to marine ecosystems worldwide, but its ecosystem wide responses are still poorly understood. This study integrates field and experimental data into a mass balance food web model of a temperate coastal ecosystem to determine the impacts of specific OA forcing mechanisms as well as how they interact with one another. Specifically, we forced a food web model of a kelp forest ecosystem near its southern distribution limit in the California large marine ecosystem to a 0.5 pH drop over the course of 50 years. This study utilizes a modeling approach to determine the impacts of specific OA forcing mechanisms as well as how they interact. Isolating OA impacts on growth (Production), mortality (Other Mortality), and predation interactions (Vulnerability) or combining all three mechanisms together leads to a variety of ecosystem responses, with some taxa increasing in abundance and other decreasing. Results suggest that carbonate mineralizing groups such as coralline algae, abalone, snails, and lobsters display the largest decreases in biomass while macroalgae, urchins, and some larger fish species display the largest increases. Low trophic level groups such as giant kelp and brown algae increase in biomass by 16% and 71%, respectively. Due to the diverse way in which OA stress manifests at both individual and population levels, ecosystem-level effects can vary and display nonlinear patterns. Combined OA forcing leads to initial increases in ecosystem and commercial biomasses followed by a decrease in commercial biomass below initial values over time, while ecosystem biomass remains high. Both biodiversity and average trophic level decrease over time. These projections indicate that the kelp forest community would maintain high productivity with a 0.5 drop in pH, but with a substantially different community structure characterized by lower biodiversity and relatively greater dominance by lower trophic level organisms.

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“…1), including scallops cultivated in Bahía Magdalena (Racotta et al, 2003) and Bahía Juncalito (Villalejo-Fuerte et al, 2004), as well as wild scallops from Bahía de Los Angeles (Yee-Duarte, 2009). The three sites, together with Bahía Tortugas, are eutrophic areas reported as Biologically Active Centers or BAC, which offer high primary productivity all year round and optimum conditions for filter feeders to maintain a prolonged breeding (Lluch-Belda et al, 2000;Morales-Zárate et al, 2011). Under these conditions, gameto- genesis appears to be sustained by the energy taken from recently ingested food, following an opportunistic strategy.…”

Section: )mentioning

confidence: 99%

Comparative analysis of the reproductive strategy of lion’s paw scallop Nodipecten subnodosus in Baja California Sur, Mexico

Angel-Dapa

Arellano-Martínez

Vázquez

et al. 2017

Lat. Am. J. Aquat. Res.

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The reproductive strategy of lion’s paw scallop Nodipecten subnodosus was evaluated in a culturing system in Bahía Tortugas, Baja California Sur, Mexico during an annual cycle, comparing its response with data previously reported at other localities. High frequencies of ripe gonads throughout the year indicate that reproduction was continuous, with two main ripening/spawning events: July-September and December-March. A continuous breeding is also reported for the species in Bahía Magdalena, Bahía Juncalito, and Bahía de Los Angeles. These eutrophic areas are Biological Active Centers where gametogenesis appears to be regulated by the energy taken from recently ingested food following an opportunistic strategy. However, the digestive gland index decreased and the muscle indices increased during one of the breeding peaks, suggesting that some stored reserves are also used to sustain gametogenesis (conservative strategy) partially. High incidences of atretic oocytes are likely associated with atypical daily variations in water temperature from May through September (12 to 33°C), or with stressful conditions in the culturing system in summer. Despite this, the culturing system set in Bahía Tortugas appears beneficial for a continuous reproduction of N. subnodosus.

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Modeling an exploited rocky coastal ecosystem: Bahia Tortugas, Mexico

Cited by 17 publications

References 14 publications

A trophic model of the benthopelagic fauna distributed in the Santa Maria di Leuca cold-water coral province (Mediterranean Sea)

A trophic model of the benthopelagic fauna distributed in the Santa Maria di Leuca cold-water coral province (Mediterranean Sea)

Forecasting ocean acidification impacts on kelp forest ecosystems

Comparative analysis of the reproductive strategy of lion’s paw scallop Nodipecten subnodosus in Baja California Sur, Mexico

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