Pedro Flores-Rodriguez

Pedro Flores-Rodriguez
Universidad Autónoma de Guerrero · Laboratorio de Ecología Costera y Sustentabilidad, Facultad de Ecología Marina

Doctor
Profesor-investigador

About

80
Publications
27,849
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611
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Introduction
Study molluscs in shallow waters of the coastal zone, mainly Gastropoda, Polyplacophora and Bivalvia. Besides working aspects of species richness, diversity and community structure. Also studied species with commercial interests, social groups using this resource, and its economic impact.
Additional affiliations
October 1983 - present
Universidad Autónoma de Guerrero
Position
  • Professor
January 1983 - December 2018
Universidad Autónoma de Guerrero
Position
  • Professor
January 1983 - May 2016
Universidad Autónoma de Guerrero
Position
  • Professor

Publications

Publications (80)
Article
Full-text available
Natural processes in ecosystems shows significant variations in species richness with regular cycles that can be altered by natural or anthropogenic activities; the present research was in order to understand on some of these variations. The objectives were: 1) determine the species richness of rocky intertidal mollusks; 2) track their geographical...
Article
Full-text available
This work introduces a species inventory giving the dominant species their frequency of occurrence, their diversity as well as the species' accumulated relative importance of the mollusks at Playa Troncones in Guerrero State, México. It also analyzes changes in mollusk density and diversity in comparison to the annual rainfall cycle. Between Decemb...
Article
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The snail Hexaplex princeps is the most important gastropod in the fishery of Guerrero, but capture is not legally regulated for lack of enough studies about its reproduction, growth and other fishing aspects. To assess fishery data for H. princeps in Guerrero. From October 2016 to December 2017, we analyzed histological samples of the gonads from...
Article
Chitons from southern México have been poorly documented hitherto and little is known about the species present in this region. Here we report 12 intertidal to shallow subtidal species in six families and nine genera. Chiton articulatus, Chiton albolineatus, and Ischnochiton muscarius were numerically the most common species, accounting for 29%, 27...
Article
A total of 802 individuals of Lutjanus guttatus (Steindachner, 1869) specimens were collected over a 10-year period (August 2012 to February 2021) from four locations on the south-central Pacific coast of Mexico. Their parasite communities were quantified and analyzed to determine if they experience significant spatial and inter-annual variations....
Article
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Resumen. Introducción: Para incrementar el número de crías de tortugas marinas, es necesario mejorar estrategias de conservación, como incubación de nidos, en condiciones de vivero que contrarresten los efectos de las condiciones climáticas extremas. Objetivo: Comparar cinco parámetros de éxito reproductivo (éxito de eclosión, huevos sin desarrollo...
Article
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Climate change-driven modifications in thermal and precipitation patterns can result in shifts in species distributions. Avian species in humid mountain forests (HMF) are among the most vulnerable to these atmospheric changes. In this study, we assessed the extent to which climate change could cause distribution shifts in 34 bird species spatially...
Article
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The present study contributes to the knowledge of epibionts recorded on sea turtles that nested on a beach in the South Pacific of Mexico. A total of 125 Lepidochelys olivacea turtles nested on Llano Real beach, Guerrero, Mexico, were examined. We collected 450 conspicuous organisms from 8 species from 43 turtles. The corresponding data analysis wa...
Article
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Reportamos los moluscos asociados a la valva derecha del ostión de roca Striostrea prismatica Gray, 1825. Un total de doce valvas preservadas en alcohol al 96% fueron examinadas. Los moluscos asociados a las valvas fueron separados con ayuda de un estereoscopio. Las valvas analizadas tuvieron una longitud mínima de 61.1 mm y máximo de 84.2 mm. Se c...
Article
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We report the mollusks associated to the right valve of the rock oyster Striostrea prismatica Gray, 1825. A total of twelve valves preserved in 96 % alcohol were examined. The mollusks associated to the valves were examined using a stereoscope. The valves analysed had a minimum length of 61.1 mm and a maximum length of 84.2 mm. A total of 164 mollu...
Article
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Mollusks are a valuable food source and have a high commercial value. In Guerrero, Mexico, this natural resource is at risk due to inadequate exploitation and the lack of biological and fisheries studies. This research focused on determining which species are caught for commercial purposes and looking for information on the captures of mollusks mad...
Article
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Management and conservation practices need to be improved to support the recovery of sea turtle populations. This study analyzed the release of Lepidochelys olivacea hatchlings protected by a sea turtle hatchery located in Guerrero, Mexico. We evaluated two forms of release (individual and group) and determined the relationship between the temperat...
Article
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Es necesario mejorar las prácticas de manejo y conservación para apoyar la recuperación de las poblaciones de tortugas marinas. Este estudio analizó la liberación de crías de Lepidochelys olivacea protegidas por un campo Tortuguero en Guerrero, México. Se examinó la relación entre la temperatura de la arena y el efecto de dos formas de liberación (...
Article
The parasite communities of marine fish in the tropical Pacific remain poorly studied. We did an initial study of the metazoan parasite communities of striped bonito Sarda orientalis from the Pacific coast of Mexico. Two hundred thirty individuals from two locations were collected between April 2017 and March 2018. Twenty-two metazoan parasite taxa...
Article
The marine ecoregion known as the Mexican Pacific Transitional Zone (MPT) is a rich environment consisting of diverse coastal ecosystems with a great diversity of species, including bivalves, which have high ecological importance and perform a wide variety of environmental functions. Our objective was to document new records of bivalve species in t...
Article
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The objective of this study was to determine the structure of molluscan communities in shallow subtidal rocky bottoms of Acapulco, Mexico. Thirteen samplings were performed at 8 stations in 2012 (seven samplings), 2014 (four), and 2015 (two). The collection of the mollusks in each station was done at a maximum depth of 5 m for 1 h by 3 divers. A to...
Article
Marine parasite communities can exhibit temporal and spatial changes in response to seasonal and local variations in several biotic and abiotic environmental factors. Limited attention has been given to the influence of abiotic factors, so their effects on parasite community structure remain unclear. A total of 496 specimens of Euthynnus lineatus w...
Article
The objectives of this study were, to determine the population parameters of size structure, growth, cohorts, and recruitment for Callinectes arcuatus Ordway, 1863, as well as the size at maturity for females. We sampled each fortnight from September 2008 to February 2009 in the coastal lagoon Apozahualco, Guerrero, Mexico. Analysis of size frequen...
Article
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Species richness and similarity in metazoan parasite communities of fishes can be influenced by several biotic (age, body size, vagility, feeding and social behavior, among others), and local abiotic (temperature, salinity, etc.) factors. The parasite communities of three species of Oligoplites, marine fishes from the Pacific coast of Mexico, were...
Article
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The rocky intertidal gastropods of the Marine Priority Region No. 32 (MPR 32) in the State of Guerrero are one of the most studied invertebrates, however, little is known about their diversity and distribution. Here we report 16 new records of gastropods collected at six sites of the rocky coast (MPR 32) located in the State of Guerrero, Mexico. Th...
Article
Information from species richness, abundance, distribution and on several ecological aspects of gastropod mollusks is insufficient, especially in Marine Priority Regions (MPRs) that have been determined by the National Commission for Knowledge and Use of Biodiversity. In the state of Guerrero there are four MPRs. The aim of this research was to det...
Article
Full-text available
Information from species richness, abundance, distribution and on several ecological aspects of gastropod mollusks is insufficient, especially in Marine Priority Regions (MPRs) that have been determined by the National Commission for Knowledge and Use of Biodiversity. In the state of Guerrero there are four MPRs. The aim of this research was to det...
Article
Full-text available
Information from species richness, abundance, distribution and on several ecological aspects of gastropod mollusks is insufficient, especially in Marine Priority Regions (MPRs) that have been determined by the National Commission for Knowledge and Use of Biodiversity to Mexico. In the state of Guerrero there are four MPRs. The aim of this research...
Article
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The aim of this research was the description of the taxocoenosis of Prosobranchia and Pulmonata subclasses (Gastropoda) associated with the rocky intertidal zone of the Marine Priority Region 32, Guerrero, Mexico. Based on known species richness, we examine the composition of the community based on the representation of families, assess abundance,...
Article
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Subclass Opisthobranchia in Acapulco was studied. The objectives were to know the species richness, community composition based on the abundances, local spatial arrangement and hierarchical location of the species, also compare the similarity between sites. Sampling was carried out from 2009 to 2012 at 5 sites during the day, at low tide, every two...
Article
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Antecedentes: Los bivalvos son parte de la fauna que habita en las costas del estado de Guerrero, muchos tienen importancia comercial, sin embargo, hay muy pocos estudios acerca de esta clase. La Comisión Nacional para el Uso y Conservación de la Biodiversidad refirió la falta de conocimiento sobre la variedad de especies que existe en las regiones...
Article
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Fishing of marine mollusks in Acapulco de Juarez, Guerrero, is intense and diverse and there is little knowledge about this resource. Therefore, for most of species subject to fishing there is no regulation. Due to this, the aims of this study were update inventory of mollusks that are fished for human consumption, determine species that are most i...
Article
Full-text available
Subclass Opisthobranchia in Acapulco was studied. The objectives were to know the species richness, community composition based on the abundances, local spatial arrangement and hierarchical location of the species, also compare the similarity between sites. Sampling was carried out from 2009 to 2012 at 5 sites during the day, at low tide, every two...
Article
Full-text available
Recibido: 15 de diciembre de 2015. Aceptado: 9 de diciembre de 2016. López-Rojas V. I., R. Flores-Garza, P. Flores-Rodríguez, C. Torreblanca-Ramírez y S. García-Ibáñez. 2017. La clase Bivalvia en sitios rocosos de las Regiones Marinas Prioritarias en Guerrero, México: riqueza de especies, abundancia y distribución. Hidrobiológica 27 (1): 69-86. RES...
Article
Population dynamics is a branch of ecology that studies temporal changes in the abundance of a population of organisms over time. This paper presents a study of the factors influencing population abundance of the acanthocephalan Neoechinorhynchus brentnickoli in Dormitator latifrons, the Pacific fat sleeper, from Tres Palos Lagoon. Fish were sample...
Article
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Within marine mollusks, the Muricidae Family, is one that has greater species richness and is very attractive for ornamentation and color of their shells. The aim of this study was to make an inventory of species that conform the Muricidae Family, estimate the abundance, analyze the geographical distribution and size composition, for which, samplin...
Article
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os ecosistemas acuáticos continentales es, la introducción voluntaria o involuntaria de especies exóticas, estas alteran la organización de las cadenas alimentarias y la diversidad específica (de Poorter, 1999). La degradación de origen antrópico de los hábitats naturales y el cambio climático, permitieron aún más la dispersión de las especies exót...
Article
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México es un país con gran biodiversidad tanto en su área continental como en sus mares litorales. La Costa del Pacífico no es la excepción y en las costas rocosas encontramos una amplia representación de esta diversidad biológica. El Estado de Guerrero incluye cuatro regiones marinas prioritarias para la conservación de la biodiversidad costera y...
Chapter
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Se realizaron muestreos bimestrales en la zona intermareal rocosa de cuatro sitios de Acapulco: Los Pilares, Jaramillo, Majahua y Palmitas, en el periodo de octubre de 2010 a abril de 2011. Se recolectaron los ejemplares de Chiton articulatus encontrados en 20 m-2. En las mismas fechas también fueron adquiridas 12 muestras comerciales de platillos...
Chapter
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Chiton articulatus (Sowerby, 1832), es una especie endémica y común en el Pacífico Oriental Mexicano, con importancia económica en varias localidades debido al consumo de su pie muscular. Para profundizar sobre la bioecología de la especie, es necesario establecer asociaciones jerárquicas entre factores endógenos del organismo, así como factores ex...
Chapter
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Se analizaron indicadores ecológicos de las especies Plicopurpura pansa (Gould, 1853) y Chiton articulatus (Sowerby, 1832), en cuatro sitios rocosos de Acapulco, Guerrero, México, durante octubre y diciembre de 2010, así como de febrero y abril de 2011. Los sitios presentaron características particulares en cuanto a la expresión topográfica y oleaj...
Article
Full-text available
There are numerous species of gastropods of commercial importance; they are used for meat and for their shell,in addition to the potential use of their toxins for pharmaceutical use. There are few studies focused on the analysis of the importance and/or the economic potential of these organisms in the State of Guerrero, Mexico. This research was co...
Article
Full-text available
There are numerous species of gastropods of commercial importance; they are used for meat and for their shell, in addition to the potential use of their toxins for pharmaceutical use. There are few studies focused on the analysis of the importance and/or the economic potential of these organisms in the State of Guerrero, Mexico. This research was c...
Article
Full-text available
Composición de la Familia Fissurellidae (Mollusca: Gastropoda) asociada a la zona intermareal rocosa de Acapulco, México Abstract— This work was carried out in the rocky intertidal zone in Acapulco, Mexico and objectives were: determining the species richness of Fissurellidae Family, estimating abundance; analyzes the distribution of species and si...
Article
Full-text available
The Bivalvia Class, is widely represented in marine ecosystems and is economically important; this research focused on this class and was carried out by sampling the rocky intertidal zone of seven sites located in the Marina Region Priority No. 32, Guerrero, Mexico, where the National Commission for the Knowledge and Use of Biodiversity reported la...
Article
Full-text available
The community of mollusks at three rocky intertidal zone in Oaxaca, Mexico was analyzed. Two samplings per site were conducted. At each sampling the inspected area was 10 m2. The sampling unit was 1 m2. 5862 specimens were examined. 68 mollusks species were identified. The families better represented in species richness were: FISSURELLIDAE, MURICID...
Article
Full-text available
The GASTROPODA class, one of the best known marine environments, is formed by a large number of species and the shape of their shell structure varies greatly. These mollusks are distributed from the intertidal zone all the way to the abyssal zone, and there are also swimming and floating species. This research was conducted at seven sites, located...
Article
Full-text available
Gastropod Plicopurpura pansa and polyplacophoran Chiton articulatus are species that coexist in the rocky intertidal of the Mexican tropical Pacific. It has been reported that P. pansa is a predator of C. articulatus, and both are abundant and dominant species on the rocky coast of Acapulco, Guerrero, Mexico. This study analyzed the response patter...
Data
Full-text available
Acapulco, Mexico has a coastline of 62 km where large areas of rocky substrate inhabited by or-ganisms such as the GASTROPODA Class can be found. Conidae (Fleming, 1822) Family is among the members of this Class, which has been poorly studied in the Mexican Pacific, despite their biomedical potential. This research was carried out in the rocky inte...
Article
Full-text available
Acapulco, Mexico has a coastline of 62 km where large areas of rocky substrate inhabited by organisms such as the GASTROPODA Class can be found. Conidae Family is among the members of this Class, which has been poorly studied in the Mexican Pacific, despite their biomedical potential. This research was carried out in the rocky intertidal of nine si...
Article
Full-text available
El litoral del Estado de Guerrero tiene una extensión de 470 km de longitud Carranza, Márquez y Morales (1975) y en el existen diferentes tipos de hábitats. La Región Marina Prioritaria 31 (RMP 31), Se ubica en el Estado de Guerrero, incluida en la Costa Grande del Estado (Latitud. 17°40'12'' a 17°13'48'', Longitud. 101°43'12'' a 101°1'48''). Tiene...
Article
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Marine Priority Region No. 33 (MPR 33) lies in the State of Guerrero, where the National Com-mission for Knowledge and Use of Biodiversity has declared a lack of information on marine species, Class POLYPLACOPHORA among oth-ers. This program was carried out on the rocky intertidal zone of MPR 33 with the objectives to: 1) determine species richness...
Article
Full-text available
Chitons are marine mollusks morphologically composed of a large muscular foot which allows them to conform to irregular surfaces. Few species as Chiton articulatus are used for human consumption. During April, July and December of 2009, 2010 and 2011, an evaluation was conducted on C. articulatus at Acapulco, Mexico. Number, size and weight of indi...