Yolanda Fernández‐Torquemada

University of Alicante

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José Luis Sánchez‐Lizaso

University of Alicante

José Miguel González Correa

University of Alicante

Yoana Del‐Pilar‐Ruso

University of Alicante

Fernando Tuya

Universidad de Las Palmas de Gran Canaria

C.C. Teague

Codar Ocean Sensors (United States)

J.F. Vesecky

University of California, Santa Cruz

Fernando Espino

Universidad de Las Palmas de Gran Canaria

Jorge Terrados

Mediterranean Institute for Advanced Studies

Fiona Tomàs

Mediterranean Institute for Advanced Studies

Candela Marco-Méndez

Centre d'Estudis Avançats de Blanes

Cooperative Institutions

University of Alicante

Consejo Superior de Investigaciones Científicas

Centre d'Estudis Avançats de Blanes

Mediterranean Institute for Advanced Studies

Universitat de Barcelona

Universidad de Las Palmas de Gran Canaria

Instituto Español de Oceanografía

Universitat de les Illes Balears

Dauphin Island Sea Lab

University of Algarve

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Application of salinity thresholds in Spanish brine discharge regulations: Energetic and environmental implications

Desalination (2020)

Rubén Navarro Barrio Iván Sola Fabio Blanco-Murillo Yoana Del‐Pilar‐Ruso Yolanda Fernández‐Torquemada

Brine

Dilution

10.1016/j.desal.2020.114901

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Citations (17)

On the Presence and Ubiquity of the Exotic Batophora (J. Agardh) in the Mar Menor Lagoon (SE Spain)

Water (2022)

Marc Terradas Miguel Valverde-Urrea Federico López-Moya Yolanda Fernández‐Torquemada

We first report the presence of a species of the genus Batophora in the Iberian Peninsula, in the Mar Menor lagoon (Murcia, SE Spain). We detected this macroalga in November 2021. However, according to some observations, it could have been present in the lagoon at least since 2016, being described as a “rare” form of Dasycladus vermicularis. A further survey made during May 2022 confirmed the presence of this species in much of the perimeter of the Mar Menor. Morphologic analyses are not conclusive regarding the species description, but most traits point to Batophora occidentalis or Batophora occidentalis var. largoensis. A consensus sequence from the rbcL barcode gene was compared by the Blastn tool showing its closeness to other Batophora specimens, yet the specific level was unresolved. The recent confirmation of a Batophora species in a littoral lagoon from Formentera (Balearic Islands) with similar morphologic characteristics could indicate that both putative introductions are connected. Further morphologic and genetic analyses are required in order to know the origin and expansion of this genus along the Mediterranean coasts.

Peninsula

Balearic islands

10.3390/w14182909

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Citations (2)

Multi-frequency HF radar observations of the thermal front in the Great Lakes

Lorelle Meadows J.F. Vesecky C.C. Teague Yolanda Fernández‐Torquemada Guy Meadows

In large fresh water lakes in temperate regions, the spring transition from weak to strong stratification is characterized by the formation of a coastal thermal front. This transition is dominated by high gradients in temperature, nutrient and plankton fields. A combination of solar warming, boundary heat flux, coastal bathymetry and surface wind stress causes the frontal system to develop such that a surface convergence forms at the nearly vertical 4/spl deg/C isotherm (the temperature of maximum density). This isotherm propagates offshore as warming of the nearshore water increases and as storms provide a mechanism by which the two water bodies (warm stratified nearshore waters and cold isothermal offshore waters) mix. As part of the NSF Episodic Events Great Lakes Experiment (EEGLE), HF Radar observations were obtained during the development and progression of the vernal thermal bar in Southern Lake Michigan in April 1999. Two Multi-Frequency Coastal Radars (MCRs) were utilized to provide observations of near-surface current vectors and vertical current shear adjacent to the Lake Michigan shoreline near St. Joseph, Michigan. MCR measurements of nearsurface currents show evidence of theoretical vernal thermal front circulation supported by in-situ measurements of thermal and dynamic structure. A two-week study of surface dynamics in the vicinity of the thermal front is presented and compared with in-situ measurements.

Stratification (seeds)

Cold front

10.1109/igarss.2000.860439

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Citations (1)

Long-term effect of beach replenishment on natural recovery of shallow Posidonia oceanica meadows

Estuarine Coastal and Shelf Science (2007)

José Miguel González Correa Yolanda Fernández‐Torquemada José Luis Sánchez‐Lizaso

Posidonia oceanica

Silt

Epiphyte

Potamogetonaceae

10.1016/j.ecss.2007.08.012

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Citations (50)

Drivers of variation in seagrass-associated amphipods across biogeographical areas

Marine Environmental Research (2023)

Sandra Navarro‐Mayoral Fernando Tuya Patricia Prado Candela Marco-Méndez Victoria Fernández-González

Amphipods are one of the dominant epifaunal groups in seagrass meadows. However, our understanding of the biogeographical patterns in the distribution of these small crustaceans is limited. In this study, we investigated such patterns and the potential drivers in twelve Cymodocea nodosa meadows within four distinctive biogeographical areas across 2000 Km and 13° of latitude in two ocean basins (Mediterranean Sea and Atlantic Ocean). We found that species abundances in the assemblage of seagrass-associated amphipods differed among areas following a pattern largely explained by seagrass leaf area and epiphyte biomass, while the variation pattern in species presence/absence was determined by seagrass density and epiphyte biomass. Seagrass leaf area was also the most important determinant of greater amphipod total density and species richness, while amphipod density also increased with algal cover. Overall, our results evidenced that biogeographical patterns of variation in amphipod assemblages are mainly influenced by components of the habitat structure, which covary with environmental conditions, finding that structurally more complex meadows harboring higher abundance and richness of amphipods associated.

Epiphyte

10.1016/j.marenvres.2023.105918

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Citations (8)

Recent trend reversal for declining European seagrass meadows

Nature Communications (2019)

Carmen B. de los Santos Dorte Krause‐Jensen Teresa Alcoverro Núria Marbà Carlos M. Duarte

Abstract Seagrass meadows, key ecosystems supporting fisheries, carbon sequestration and coastal protection, are globally threatened. In Europe, loss and recovery of seagrasses are reported, but the changes in extent and density at the continental scale remain unclear. Here we collate assessments of changes from 1869 to 2016 and show that 1/3 of European seagrass area was lost due to disease, deteriorated water quality, and coastal development, with losses peaking in the 1970s and 1980s. Since then, loss rates slowed down for most of the species and fast-growing species recovered in some locations, making the net rate of change in seagrass area experience a reversal in the 2000s, while density metrics improved or remained stable in most sites. Our results demonstrate that decline is not the generalised state among seagrasses nowadays in Europe, in contrast with global assessments, and that deceleration and reversal of declining trends is possible, expectingly bringing back the services they provide.

Blue carbon

10.1038/s41467-019-11340-4

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Citations (327)

Posidonia oceanica L. (Delile) meadows regression: Long-term affection may be induced by multiple impacts

Marine Environmental Research (2022)

Fabio Blanco-Murillo Yolanda Fernández‐Torquemada Aurora Garrote-Moreno Claudio A. Sáez José Luis Sánchez‐Lizaso

Posidonia oceanica

10.1016/j.marenvres.2022.105557

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Citations (19)

Evaluation of the effects produced by the construction and expansion of marinas on Posidonia oceanica (L.) Delile meadows

Yolanda Fernández‐Torquemada José Miguel González Correa José Emilio Martínez Pérez José Luis Sánchez‐Lizaso

FERNANDEZ-TORQUEMADA, Y.; GONZALEZ-CORREA, J.M.; MARTINEZ, J.E. and SANCHEZ LIZ ASO, J.L., 2005. Evaluation of the effects produced by the construction and expansion of marinas on Posidonia oceanica (L.) Delile meadows. Journal of Coastal Research, SI 49 (Proceedings of the 2nd Meeting in Marine Sciences), 94 99. Valencia ? Spain, ISSN 0749-0208 New legislation in the Valencian Community (Decree 36/2002, 5th of March) has allowed the expansion of the existent marinas in this region of the SE of Spain, affecting in a significant way the Alicante province that possesses over thirty nautical facilities of this type. Of particular importance are the effects that expansion of these ports would have on marine ecosystems, especially on Posidonia oceanica beds. This species is of a great ecological and biological importance, and is very sensitive to human activities along the coastline. The present study focuses on the current impacts and potential impacts of port extension of the Port of Altea and the Marina Luis Campomanes (NE Alicante) on the existing P. oceanica meadows near them. Density, cover, morphology and phenology of P. oceanica growing close to the ports were compared with adjacent control sites. The present ports have caused the destruction of at least 11 Ha of Posidonia meadow and the degradation of another 14 Ha where it has been detected an important reduction of its cover and density, and an increase in rhizome growth, the herbivore rate and the load of epiphytes of its leaves. Furthermore the analysis of all these data have also allowed to determine that the outer expansion of both ports would cause the disappearance of 64 Ha and the regression of 18 Ha of P. oceanica meadows. ADDITIONAL INDEX WORDS: Environmental impact, influence areas, oversedimentation

Posidonia oceanica

Epiphyte

Source

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Citations (11)

Surface current observations by HF radar during EEGLE 2000

J.F. Vesecky Lorelle Meadows C.C. Teague P. Hansen M. Plume

HF radar has become an important tool for mapping surface currents in the coastal ocean. However, its use over fresh water has been limited due to much higher propagation loss and smaller wave heights on fresh water lakes. During the Episodic Events Great Lakes Experiment (EEGLE) two multifrequency coastal radars (MCRs), operating between 4.8 MHz and 21.8 MHz, were installed on the southeast shore of the lake, together with an air-sea measurement buoy. Data from the February-April 2000 observations demonstrate HF radar performance characteristics over fresh water as well as characteristics of the surface flow in the lake during periods of moderate to high winds and waves. In early April an episodic event occurred in which strong northerly winds blew down Lake Michigan driving currents down the western shore of the lake past Racine, Wisconsin and Chicago, Illinois and around the southern lake shore to the southeastern shore of the lake. Sediments are resuspended during such an event, putting a variety of pollutants in the water column. These suspended sediments are clearly shown in visible light images from the NOAA-14 satellite. HF radar and buoy measurements of an episodic resuspension event are presented. They show a southward surface current flow at the beginning of the event and then a reversal of the near-shore current as the event progresses and the aforementioned currents move around the bottom of Lake Michigan and reach the St. Joseph, Michigan area. These observations show the interplay of large scale currents from the south and local wind driven currents.

Buoy

10.1109/igarss.2001.976128

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Citations (3)

Review of the management of brine discharges in Spain

Ocean & Coastal Management (2020)

Iván Sola Domingo Zarzo Adoración Carratalá Yolanda Fernández‐Torquemada Jose Antonio de‐la‐Ossa‐Carretero

Brine

10.1016/j.ocecoaman.2020.105301

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Citations (35)