Intense diurnal surface currents in the Bay of La Paz, Mexico

Zaytsev, Oleg; Rabinovich, Alexander B.; Thomson, Richard E.; Silverberg, Norman

doi:10.1016/j.csr.2009.05.003

Cited by 21 publications

(16 citation statements)

References 17 publications

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“…The influence of sea breezes on the hydrodynamics has been reported widely for coastal zones and enclosed bays (e.g. Hunter et al, 2007;Orfila et al, 2005;and Zytasev et al, 2010). In particular, Fontán et al (2009) identified a notable influence of sea breeze, on flows, offshore of Pasaia Bay (located also in the southeastern Bay of Biscay, some 75 km to the east of Bilbao harbour), in comparison to tidal currents.…”

Section: Discussionmentioning

confidence: 96%

Water renewal and risk assessment of water pollution in semi-enclosed domains: Application to Bilbao Harbour (Bay of Biscay)

Grifoll

Campo

Espino

et al. 2013

Journal of Marine Systems

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Section: Discussionmentioning

confidence: 96%

Water renewal and risk assessment of water pollution in semi-enclosed domains: Application to Bilbao Harbour (Bay of Biscay)

Grifoll

Campo

Espino

et al. 2013

Journal of Marine Systems

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“…The clonal population of Pocillopora at ISLG is situated on a narrow (20 m wide) shelf along the protected leeward side of a small island (Gaviota Island) and is rarely exposed to disturbances from storm surges. Under normal conditions, water currents move slowly back and forth along the shore and are influenced by tidal direction (Zaytsev et al 2010). However, hurricanes periodically enter La Paz Bay from the southwest (usually one hurricane, or major storm, every 2 years; National Hurricane Center), and on these occasions ISLG is exposed to intense wave energy that damages and fragments colonies (pers obs).…”

Section: Local Factors Influence Clonal Structurementioning

confidence: 98%

Contrasting clonal structure among Pocillopora (Scleractinia) communities at two environmentally distinct sites in the Gulf of California

et al. 2012

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The contributions of sexual versus asexual reproduction are thought to play an important role in the abundance and ecological success of corals, especially in marginal habitats. Pocillopora corals are distributed throughout the Indo-Pacific and dominate shallow hardbottom communities in the eastern Pacific where broad seasonal fluctuations in temperature and water turbidity create suboptimal conditions for reef community development. Previous work had revealed three genetic clades in the eastern Pacific that show little correspondence with colony morphology; the broad distribution of type 1 extends into the subtropical southern Gulf of California. Here we examine genetic and clonal structure of two type 1 communities separated by 10 km with microsatellite data. Samples were collected randomly in six 10 m radius circular plots (20 colonies per plot, 3 plots per site). Sites differed in their relative clonality because clonemates (ramets) from a single clone (genet) dominated a large portion (90.9 m long) of the protected leeward side of Gaviota Island (Number of genets/ Number of samples = 0.35; observed Genotypic diversity/ expected Genotypic diversity = 0.087), while an exposed community at the entrance to La Paz Bay, Punta Galeras, exhibited high genotypic diversity (N g /N = 0.85; G o / G e = 0.714). Gene flow was unrestricted between sites indicating these communities comprised a single population. The relative proportion of asexual colonies found between community aggregations of Pocillopora in the Gulf of California differed significantly and suggests factors at local, not regional, scales affect these patterns. The possibility that heterogeneity in clonal structure is common throughout the eastern Pacific and across the west Indo-Pacific requires further study. Finally, since morphological variation in Pocillopora has been underappreciated and is in need of taxonomic revision, the use of a consistent field-sampling protocol and high-resolution makers will advance ecological research and aid in the conservation of these corals.

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“…Here, the research undertaken by Hyder et al (2002), Mihanović et al (2009) and Zaytsev et al (2010) is of special interest. These investigators concluded that the radiational tides induce surface-intensified diurnal and semidiurnal variability, in coastal water circulation.…”

Section: Introductionmentioning

confidence: 99%

Coastal water circulation response to radiational and gravitational tides within the southeastern Bay of Biscay

Fontán

Sáenz

González

et al. 2013

Journal of Marine Systems

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Intense diurnal surface currents in the Bay of La Paz, Mexico

Cited by 21 publications

References 17 publications

Water renewal and risk assessment of water pollution in semi-enclosed domains: Application to Bilbao Harbour (Bay of Biscay)

Water renewal and risk assessment of water pollution in semi-enclosed domains: Application to Bilbao Harbour (Bay of Biscay)

Contrasting clonal structure among Pocillopora (Scleractinia) communities at two environmentally distinct sites in the Gulf of California

Coastal water circulation response to radiational and gravitational tides within the southeastern Bay of Biscay

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