Sexual reproduction of three coral species from the Mexican South Pacific

Rodríguez-Troncoso, Alma Paola; Carpizo‐Ituarte, Eugenio; Leyte-Morales, G. E.; Chi-Barragán, G; Tapia-Vázquez, O

doi:10.1007/s00227-011-1765-9

Cited by 36 publications

(58 citation statements)

References 35 publications

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“…Sex proportions of P. panamensis found in this work corresponded to previously re ported proportions in reproductive studies in the Gulf of California and west coast of Mexico (Rodríguez-Troncoso et al 2011), and were also similar to those found in other areas of the eastern tropical Pacific, differing only from Costa Rica (2:1 males:females), although this proportion may be biased due to the small number of sampled colonies (Glynn et al 1994).…”

Section: Discussionsupporting

confidence: 88%

“…1): Bahía de Los Ángeles (BLA) located in the north (29°N, 113°W), Bahía Concepción (BCO) in the middle section (26°N, 111°W), and Bahía de La Paz (BLP) in the southern part (24°N, 110°W). Colonies were collected during the known reproductive period (March to July) of this species (Glynn et al 1994, CarpizoItuarte et al 2011, Rodríguez-Troncoso et al 2011.…”

Section: Colony Collectionmentioning

confidence: 99%

“…P. panamensis tolerates a wide range of environmental conditions, including low temperature and high-turbidity conditions that are often considered stressful for other coral species (Halfar et al 2005). Regarding its reproductive strategy, this coral species is a known gonochoric brooder (Glynn et al 1994, Rodríguez-Troncoso et al 2011.…”

Section: Introductionmentioning

confidence: 99%

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Different calcification rates in males and females of the coral Porites panamensis in the Gulf of California

Cabral-Tena¹,

Reyes‐Bonilla²,

Lluch-Cota³

et al. 2013

Mar. Ecol. Prog. Ser.

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Section: Discussionsupporting

confidence: 88%

Section: Colony Collectionmentioning

confidence: 99%

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Different calcification rates in males and females of the coral Porites panamensis in the Gulf of California

Cabral-Tena¹,

Reyes‐Bonilla²,

Lluch-Cota³

et al. 2013

Mar. Ecol. Prog. Ser.

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“…On average, a coral colony invests ∼15% of its daily energy budget on reproduction (Sheppard et al, 2009), with a high energetic cost to produce eggs than sperm (Harrison, 1985). Brooding corals produces in asynchronic maturation many oocites per year (Rodríguez-Troncoso et al, 2011). Therefore, female colonies continuously invest energy during their reproductive periods reducing the amount of energy available for calcification (Harrison and Wallace, 1990).…”

Section: Discussionmentioning

confidence: 99%

“…Slides were analyzed using a compound microscope (LABO JAZ-ANZ). Gamete presence and gender identification were determined as described by Rodríguez-Troncoso et al (2011).…”

Section: Coral Sex Identificationmentioning

confidence: 99%

Differences in Growth and Calcification Rates in the Reef-Building Coral Porites lobata: The Implications of Morphotype and Gender on Coral Growth

et al. 2016

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Corals display different growth forms as an adaptive response to both local and global environmental conditions. Despite the importance of morphologic variability on corals, growth and calcification rates of different coral morphotypes have been poorly recorded in the Eastern Pacific. The purpose of this study was to compare annual extension rate (cm yr −1 ), skeletal density (g cm −3 ), calcification rate (g cm −2 yr −1 ), and tissue thickness (mm) of males and females colonies in three different morphotypes of the common reef-building coral Porites lobata; columnar, massive, and free-living (corallith) forms. The results show significant differences in all four-growth parameters between morphotypes over a 6-year interval, and also differences between males and females in most morphotypes. Massive colonies presented 15-33% faster annual rates compared with columnar and free-living. Male colonies showed 30-40% faster annual rates than females for both columnar and corallith morphologies. These data exhibit the extensive plasticity of this species and highlight the fact that each morphotype × gender group produced a different physiological response to environmental conditions. Therefore, these information reveal that P. lobata from the Eastern Tropical Pacific develops different morphologies to allow it to maintain coral species population, characteristics that enhance the species possibility to further its distribution across the reef-framework.

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Testing the genetic predictions of a biogeographical model in a dominant endemic Eastern Pacific coral (Porites panamensis) using a genetic seascape approach

Saavedra‐Sotelo¹,

Calderón-Aguilera²,

Reyes‐Bonilla

et al. 2013

Ecology and Evolution

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The coral fauna of the Eastern Tropical Pacific (ETP) is depauperate and peripheral; hence, it has drawn attention to the factors allowing its survival. Here, we use a genetic seascape approach and ecological niche modeling to unravel the environmental factors correlating with the genetic variation of Porites panamensis, a hermatypic coral endemic to the ETP. Specifically, we test if levels of diversity and connectivity are higher among abundant than among depauperate populations, as expected by a geographically relaxed version of the Abundant Center Hypothesis (rel-ACH). Unlike the original ACH, referring to a geographical center of distribution of maximal abundance, the rel-ACH refers only to a center of maximum abundance, irrespective of its geographic position. The patterns of relative abundance of P. panamensis in the Mexican Pacific revealed that northern populations from Baja California represent its center of abundance; and southern depauperate populations along the continental margin are peripheral relative to it. Genetic patterns of diversity and structure of nuclear DNA sequences (ribosomal DNA and a single copy open reading frame) and five alloenzymatic loci partially agreed with rel-ACH predictions. We found higher diversity levels in peninsular populations and significant differentiation between peninsular and continental colonies. In addition, continental populations showed higher levels of differentiation and lower connectivity than peninsular populations in the absence of isolation by distance in each region. Some discrepancies with model expectations may relate to the influence of significant habitat discontinuities in the face of limited dispersal potential. Environmental data analyses and niche modeling allowed us to identify temperature, water clarity, and substrate availability as the main factors correlating with patterns of abundance, genetic diversity, and structure, which may hold the key to the survival of P. panamensis in the face of widespread environmental degradation.

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Sexual reproduction of three coral species from the Mexican South Pacific

Cited by 36 publications

References 35 publications

Different calcification rates in males and females of the coral Porites panamensis in the Gulf of California

Different calcification rates in males and females of the coral Porites panamensis in the Gulf of California

Differences in Growth and Calcification Rates in the Reef-Building Coral Porites lobata: The Implications of Morphotype and Gender on Coral Growth

Testing the genetic predictions of a biogeographical model in a dominant endemic Eastern Pacific coral (Porites panamensis) using a genetic seascape approach

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