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June 1991 - November 1992
October 1977 - September 1978
Education
July 1971 - November 1973
October 1966 - June 1971
Publications
Publications (132)
A segment of the Guadalquivir River was assessed between the Alcalá del Río dam and Seville through an integrative sediment quality assessment. Chemical concentrations of metals and toxicity under laboratory conditions were used as lines of evidence. A battery of bioassays with four organisms (the amphipod Ampelisca brevicornis, the bacteria Vibrio...
"Cronius ruber is a non-native crab species who has now largely spread and adapted throughout the Canary Islands (north-eastern Atlantic) in few years. The aim of this work is to determine the effectiveness of different sampling techniques for the control and monitoring of this species. The study was carried out in six different locations, between...
The impacts of a hypothetical CO2 gas leak from freshwater sediments on the survival and reproduction of freshwater flea Daphnia magna were analyzed. Another objective was to assess the performance of standard toxicity testing protocols for CO2-induced acidification research in freshwaters. Four pH levels (7.5, 7.0, 6.5, and 6.0) and two sediments...
Seagrass meadows provide an essential ecological service in coastal ecosystems worldwide, although they are sensitive to many human factors, as a serious global regression has been documented. During sampling along the Atlantic Moroccan coast, five coastal lagoons were found characterized by the presence of intertidal monospecific seagrass Zostera...
This work documents the introduction of non-native fish species to the Canary Islands (central-eastern Atlantic) through oil rigs. These structures provide artificial hard substrates in places where do not exist naturally. Methodological approaches have included surveys by underwater visual censuses around and under oil platforms and along the dock...
La Laguna Verde del Golfo (Charca de Los Clicos) está situada en el Oeste de la isla de Lanzarote, dentro de los límites del Parque Nacional de Timanfaya, Es una charca hipersalina que ocupa la trasplaya del Golfo. Debido a las extracciones de arena en la playa durante la década de los sesenta la playa perdió el apoyo Sur, retrocediendo la línea de...
The “Charco Verde de Los Clicos” is a hypersaline green coastal lagoon located at the west coast of Lanzarote Island. It is separated from the sea by a black sand barrier, but it is connected with the sea by underground channels. It is part of a semi-submerged hydro-volcanic building. The surface and volume of the lagoon is 7.700m2 and 17.700m3 wit...
This study evaluated the combined effect of pH and metals on the egg fertilization process of two estuarine species, the blue mussel (Mytilus edulis), the oyster (Crassostrea gigas) and a marine species, the sea urchin (Paracentrotus lividus). The success of egg fertilization was examined after exposure of gametes to sediment extracts of various de...
In order to evaluate the effects of elevated temperature and pCO2 on the polychaete Nereis diversicolor from the Río San Pedro estuary in Spain, multifactorial stressor experiments were performed in various combinations: at two temperatures (ambient temperature and temperature estimated for the year 2100) and at three pHNBS levels (estimated level...
DIFFERENT TECHNIQUES OF UNDERWATER VISUAL CENSUSES WERE USED TO EVALUATED THE PRESENCE OF ALIEN MARINE FISHES IN THE CANARY ISLANDS (CENTRAL-EASTERN ATLANTIC) INTRODUCED THROUGH OIL RIGS
R. Triay-Portella, J. G. Pajuelo, J. A. González, J. A. Martín, R. Ruiz-Díaz, J. M. Lorenzo and A. Luque*
Instituto Universitario de Estudios Ambientales y Recur...
The grouper Cephalopholis taeniops is a carnivorous fish of the Cape Verde coastal marine ecosystem. Nothing is known regarding the age and growth of this epinephelid. In this study, the age and growth of C. taeniops was investigated by annual growth increment counts from 2804 specimens (7–51 cm total length) collected between January 2005 and Dece...
Angel Luque and José Antonio Martin
Departamento de Biología. Facultad de Ciencias del Mar
Universidad de Las Palmas de Gran Canaria
35017, Las Palmas, Spain
angel.luque@ulpgc.es http://www.fcm.ulpgc.es
2004 “Scientific Diving Techniques” were included as an optative matter in 4th course in the study program of the Marine Sciences Faculty at the...
Seagrass meadows provide an essential ecological service in coastal ecosystems worldwide, although they are sensitive to many environmental and human factors having been documented a serious global regression. Along the Atlantic Moroccan Coast we found 5 areas with maximum environmental interest as coastal lagoons characterized by the presence of i...
The sea urchin Diadema africanum is considered a key herbivore in sublittoral ecosystems of the Canary Islands. Spatial and temporal variability in population structure was carried out at Gran Canaria. We performed a morphometric and population density analysis during 2005, 2006 and 2007 at four sites in zones of Gran Canaria. The study considered...
Environmental Assessment from the Phytoplankton Community in a Marina in the Canary Islands, Spain
García-Rojas A, J A Martin-García , M J Rueda-López and A Luque*.
Departamento de Biología, Facultad de Ciencias de Mar, Universidad de Las Palmas de Gran Canaria, Edificio de Ciencias Básicas, Campus Tafira, 35017, Las Palmas, Spain.
* Corresponding...
Biomarkers comprising activities of biotransformation enzymes (ethoxyresorufin-O-deethylase -EROD-, dibenzylfluorescein dealkylase -DBF-, glutathione S-transferase -GST), antioxidant enzymes (glutathione reductase -GR- and glutathione peroxidase -GPX), lipid peroxidation -LPO- and DNA strand breaks were analyzed in the clam Ruditapes philippinarum...
The sediment quality of Cádiz Bay, Las Palmas de Gran Canaria (LPGC) Port, Santander Bay, Algeciras Bay, and Huelva Estuary (Spain) was evaluated by analysing a battery of biochemical biomarkers-activities of biotranformation enzymes ethoxyresorufin O-deethylase [EROD], dibenzylflourescein dealkylase [DBF], and glutathione S-transferase [GST]; acti...
This is the first time that the reproductive characteristics of Mycteroperca fusca have been analyzed over the whole area of its distribution, using the parameter of the histological analysis of the gonads. This species is a protogynous hermaphrodite with a marked predominance of females (1:4.9). The males and females displayed marked differences i...
IMPACTO DE LA ACUICULTURA EN EL SECTOR TURÍSTICO DE TENERIFE
Angel Luque, José A. Martin García José González Pajuelo
Dpto de Biología, Facultad de Ciencias del Mar
Universidad de Las Palmas de Gran Canaria
RESUMEN
Desde sus inicios, la acuicultura se nos ha presentado como una industria limpia y no contaminante, sin embargo, como ocurre en el cas...
La explosión demográfica de erizo Diadema antillarum en los ecosistemas sumergidos rocosos del litoral canario está provocando una intensa desertización, generando los popularmente conocidos como fondos de “blanquizales” debido al color blanco que adquiere el recubrimiento calcáreo. Se analizaron los parámetros morfométricos, de densidad poblaciona...
Se analizaron los parámetros biológicos del abade Mycteroperca fusca (Lowe, 1836) en aguas de Canarias y la situación de sus poblaciones en la isla de El Hierro y la Reserva Marina de la isla de La Graciosa y de los islotes del Norte de Lanzarote, durante el periodo comprendido entre enero de 2004 y diciembre de 2006. El abade de las Islas Canarias...
Mycteroperca fusca is one of the main predators of the Canarian archipelago coastal marine ecosystem. Nothing is known on the life history or population dynamics of this predatory serranid fish. In this study, age and growth of M. fusca were investigated by annual growth increment counts from 214 fish collected between January 2004 and December 200...
Se estudio la capacidad del Diadema Antillarum de regresar a su refugio original una vez desplazado a 1, 2 y 10 metros. Después de observarlos durante un periodo de tiempo (60 minutos), y estudiar su comportamiento el en mar de un número determinados de ellos (tabla 1), se pudo comprobar que según el tipo de fondo tenían comportamientos iniciales d...
The overpopulation of the sea urchin Diadema antillarum (Philippi, 1845) is causing negative effects on
the subtidal rocky ecosystems in the Canary Islands. Populations of D. antillarum occur in high density in
opposite to algal cover biodiversity which is decreasing (Aguilera et al. 1994; Garrido 2003; Lessios et al.
2001; Tuya et al. 2001, 2004)....
Después de un encuadramiento geográfico, socioeconómico, legislativo, geológico, meteorológico y bionómico,la zona de Arguineguín fue estudiada a través del buceo científico, utilizando el método del Depth transect y haciendo cuadrados de recubrimiento del sustrato.
Los transectos consintieron identificar varias zonas con características biológicas...
The seasonal cycle of a mixed seagrass meadow of Cymodocea nodosa and Caulerpa prolifera and of the associated icthyofauna was studied at Playa Dorada (Lanzarote, Canary Islands, eastern Atlantic) from March 2001 to April 2002. A seasonal (bimodal) cycle was clearly observed, with maximum values in spring and summer (April-September) and minimum in...
In vitro methods of plant micro-propagation are being considered as a possible solution for the decline in seagrass communities registered worldwide. To achieve successful plant micro-propagation, culture conditions are commonly adjusted empirically within almost species-specific conditions, to comply to the following three conditions: (i) culture...
The seasonal cycle of a mixed seagrass meadow of Cymodocea nodosa and Caulerpa prolifera and of the associated ichthyofauna was studied at Playa Dorada (Lanzarote, Canary Islands, eastern Atlantic) from March 2001 to April 2002. A seasonal (bimodal) cycle was clearly observed, with maximum values in spring and summer (April September) and minimum i...
In vitro methods of plant micro-propagation are being considered as a possible solution for the decline in seagrass communities registered worldwide. To achieve successful plant micro-propagation, culture conditions are commonly adjusted empirically within almost species-specific conditions, to comply to the following three conditions: (i) culture...
An increase of 0,5°C in average atmosphere temperature has been registered over the last century. Based on the current levels of greenhouse gas emission, temperature increases could reach 1,5 to 4,5°C by 2030. A consequence of this phenomenon is the rise of sea level, to which islands are vulnerable. To consider a possible marine transgression is f...
La materia "Introducción a las Ciencias de la Naturaleza" es una asignatura de
libre elección para los alumnos del Curso Preparatorio para Mayores de 25 años
que organiza la Universidad de Las Palmas de Gran Canaria. Sus contenidos han
sido escogidos y preparados por un grupo de profesores doctores del
Departamento de Biología de la Universidad, pa...
Evolución anual de una pradera marina mixta de Cymodocea nodosa (Ucria) Ascherson y Caulerpa prolifera (Forsskál) Lamouroux en el Sur de Lanzarote (Islas Canarias)
A. Luque, J. A. Martín y F. Tuya
Departamento de Biología. Universidad de Las Palmas de Gran Canaria. 35017. Campus de Tafira sin Las Palmas de Gran Canaria. Islas Canarias
Estudiamos...
Las crecientes pérdidas en la biodiversidad costera, causadas principalmente por procesos relacionados con la contaminación, la sobrepesca y los cambios climáticos globales, han provocado la necesidad de tomar decisiones de carácter urgente con relación a la creación y gestión de áreas marinas protegidas. Actualmente, las nuevas tecnologías en el á...
Eighty-eight visual assessments (5-min stationary censuses in an area of 200 m2) were made during the winter of 1999-2000 and summer of 2000 in the area of the proposed Gando-Arinaga Marine Reserve (Gran Canaria, Canary Islands), in order to optimize a technique for the visual evaluation of the fish assemblages, describe the situation and environme...
We tagged individuals of the sea urchin Diadema antillarum (Philippi) around the island of Gran Canaria (The Canary Islands) during winter 2001-2002 using a new technique, consisting of the insertion of a hook fastened to a fishing line into the aboral pole (periproctal membrane). This allowed individual identification of tagged sea urchins. The go...
La Unión Internacional para la Conservación de la Naturaleza (IUCN) señala que un Área Marina Protegida (AMP) es “cualquier área intermareal o zona submareal, junto con la capa de agua y flora, fauna, acervo histórico y cultural asociado, que ha sido protegido en parte o en su totalidad del espacio donde se encuentra, por ley u otra medida eficient...
El presente estudio se realiza para estudiar las características biológicas de la zona de mar en la salida del barranco de Arguineguín a efectos de considerar el establecer una limitación pesquera. El estudio está realizado por el Servicio de Ecología Litoral y Medio Ambiente Submarino de la Universidad de Las Palmas de Gran Canaria a propuesta de...
We describe a new protocol for tagging the long-spined sea urchin Diadema antillarum to study the daily activity patterns of this echinoid. The technique consists of the in situ introduction of a fishing hook into the periproctal membrane of individual D. antillarum with the help of tweezers, thus allowing the individual identification of tagged ur...
Interannual changes in the shoot density, biomass and leaf length of the seagrass Cymodocea nodosa and two descriptors of the associated fish communities (total fish abundance and species richness) were evaluated at Playa Blanca (Lanzarote, Canary Islands) from March 2001 to April 2002 to provide evidence for responses to the impacts of a marina co...
Preferences of the sea urchin Diadema
antillarum (Echinodermata: Echinoidea) feeding on five species of brown macroalgae (Padina
pavonica, Dyctiota
dychotoma, Cystoseira
abies-marina, Lobophora
variegata and Halopteris
filicina) have been studied using caging field experiments on Gran Canaria Island during August to October 2000. Results of three a...
Gastropoda, Bivalvia, Polychaeta and Crustacea are the four main taxonomic groups of macrofauna associated with three seagrass meadows of Cymodocea nodosa at Gran Canaria (Canary Islands, Spain); eight taxa were found. The density and Shannon-Weaver index (H') indicated a clear unimodal behaviour, with maxima in spring and summer, and minima in win...
Gastropoda, Bivalvia, Polychaeta and Crustacea are the four main taxonomic groups of macrofauna associated with three seagrass meadows of Cymodocea nodosa at Gran Canaria (Canary Islands, Spain); eight taxa were found. The density and Shannon-Weaver index (H') indicated a clear unimodal behaviour, with maxima in spring and summer, and minima in win...
Gastropoda, Bivalvia, Polychaeta and Crustacea are the four main taxonomic groups of macrofaunaassociated with three seagrass meadows of Cymodocea nodosa at Gran Canaria (Canary Islands, Spain);eight taxa were found. The density and Shannon-Weaver index (H′) indicated a clear unimodalbehaviour, with maxima in spring and summer, and minima in winter...
Los emisarios submarinos son estructuras artificiales diseñadas para la gestión de aguas residuales, que pueden ser potencialmente colonizados por comunidades bentóni-cas. Pudiéndose considerar como un arrecife artificial, donde las poblaciones asentadas encuentran alimento, protección y refugio. Estudios revisados por Helvey (1985) han mostrado la...
La zona de aguas costeras al Este & Gran Canaria, desde la Península de
Gando hasta la Punta de Arinaga. está siendo estudiada de cara a su posible declaración
como Reserva Marina de Interés Pesquero. A partir de los datos suministrados
por el Instituto Nacional de Meteorología en su estación de Gando (Aeropuerto
de Gran Canaria) y los datos propio...
Gastropoda, Bivalvia, Polychaeta and Crustacea are the four main taxonornic groups of macrofauna associated with three seagrass meadows of Cymodocea nodosa at Gran Canaria (Canary Islands, Spain); eight tmíl wé ~ éf ~ i i ~ d?%.e densir; a d Shacn-Ware: index (E') ifidicated o c l a í üniiiidal behaviour, with maxima in spring and surnmer, and mini...
RECOMENDACIONES
- Los procesos de colmatacion con arena y de salinizaci6n de la laguna aconsejan el proceder a su dragado cuanto antes, particularmente teniendo en consideración que Ios obras de restauracion de la playa ya se han ejecutado.
- El dragado se debe realizar unicamente en la orilla Oeste sin que afecte al resto de la laguna, que en ning...
With 6 figures ABSTRACT. An annual evaluation (June 1994-July 1995) of the water quality from Punta de Tenefé to Punta de Taozo (Gran Canaria, Canary Islands) was done, as a part of an environmental assessment program in tourist coast. The ecological parameters to evaluate were chosen as representative of the hurnan pressure exerted on the coast (c...
The paper describes the preliminary results obtained using electrophoresis
techniques to characterise genetically'two Phoenix species present in the Canary Islands. \-
Electrophoretic techniques were used to asses the degree of genetic variation and genetic
differentiation among the Canarian palm (Phoenh canariensis) and the date palm (Phoenix
dact...
The red alga Grateloupia doryphora (Montagne) Howe was grown in axenic culture in Provasoli's enriched seawater medium supplemented with glycerol as an organic carbon source. Carpospore seedlings showed a particular form of cell proliferation forming compact cell masses with many buds or protrusions after 12 days of growth. Histologic and histochem...
Evaluation of sea water quality in a tourist area (Maspalomas) in the Canary
islands
A. Luque and J. Pkrez-Peiia
Canary Islands received last year (1994) 7,6 millions of tourists, from these 25 millions arrived at Gran Canaria island an about an 85 % of these at the Maspalomas-Costa canaria complex (San Bartolome de Tirajana) what it has 85.000 tou...
An annual evaluation (June 1994-July 1995) of the water quality from Punta de Tenefé to Punta de Taozo (Gran Canaria, Canary Islands) was done, as a part of an environmental assessment program in tourist coast. The ecological parameters to evaluate were chosen as representative of the hurnan pressure exerted
on the coast (crowded beaches, direct wa...
An annual evaluation (June 1994-July 1995) of the water quality from Punta de Tenefé to Punta de Taozo (Gran Canaria, Canary Islands) was done, as a part of an environmental assessment program in tourist coast. The ecological parameters to evaluate were chosen as representative of the hurnan pressure exerted on the coast (crowded beaches, direct wa...
The genus Tamarix L. (Tamaricaceae) presents a cornplex taxonorny due to the polyrnorphic characteristics and that even tlie srnallest rnorphological differences are used in its classification. The aim of this work is to study the present distribution in Gran Canaria of the different species of the Tamarix L. in relation to the characteristics of t...
The red alga Grateloupia doryphora (Montagne) Howe was grown in axenic culture in Provasoli's enriched seawater medium supplemented with glycerol as an organic carbon source. Carpospore seedlings showed a particular form of cell proliferation forming compact cell masses with many buds or protrusions after 12 days of growth. Histologic and histochem...
The implications of light in structural changes during growth and development of a carpospore seedling from Grateloupia doryphora cultivated in glycerol were studied by changing photon flux density from the standard white light of 30 μmol photons m-2s-1 to 20, 60 and 100 μmol photons m-2s-1 and spectra from white to both blue and red light (30 μmol...
Heterotrophic activity in macroalgae has been little studied, but the red macroalga Grateloupia doryphora is known to grow in light at a higher rate in a glycerol-containing medium than in seawater. The effects of 0·1 M exogenous glycerol in seawater (SW90-gly) on the respiration rate of G. doryphora and the role played by light were investigated....
The occurrence of several forms of disorganized growth (filamentous, groups of cells and compact cell masses) has been reported in seaweed tissue culture as callus or callus-like, and in nature as galls, tumours or callus. Laurencia sp. formed callus in culture. To know whether callus or callus-like types of growth also occurred during regeneration...
Explants of Gelidium versicolor, Grateloupia doryphora and Laurencia sp. were cultivated in Provasoli enriched seawater culture medium (PES) adjusted to several osmolalities (0.5, 0.7, 1.0 and 1.5 Os kg–1) and solidities (agar concentration = 3, 8 and 15 g L–1). Osmolality was adjusted by dilution of seawater with distilled water (50, 70 and 100% s...
Explants of Grateloupia doryphora were cultivated in Provasoli Enriched Seawater culture medium (PES) supplemented with glycerol (0.1, 0.3, 0.5 or 0.8 mol 1-1) or carbohydrates (0.1 or 0.3 mol 1-1 mannose, glucose and galactose) and agar (3, 8, 15 g 1-1 ). The osmolality of the medium was adjusted by dilution of the seawater (70 or 100%, v/v). The...
