About the origin of the Mediterranean Waters warming during the
twentieth century

García-Martínez, M.C.; Vargas‐Yáñez, Manuel; Moyá, Francina; Zunino, Patricia; Bautista, Begoña

doi:10.5194/os-2017-50

Cited by 1 publication

(3 citation statements)

References 30 publications

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“…The described reproductive features and the larval release strategy of the studied octocorals species make them highly sensitive to global climate change (especially in shallow areas, above 40 meters depth). Recent models highlight that water stratification in the Mediterranean Sea may last for longer periods and warmer waters may stress non-mobile organisms (Galli et al 2017). Doney et al (2009) suggested that in warm and cold temperate seas, higher temperatures could revert in a stronger stratification of the water column, affecting phytoplankton dominance and productivity.…”

Section: Anthozoamentioning

confidence: 99%

“…The phenomena related to warming will increase faster in this area of the world because of the limited water masses and the related circulation that is previewed to change during the next decades (Galli et al 2017). In fact, temperature raise in surface waters has been around 0.24°C decade -1 in the west of the Strait of Gibraltar and 0.51°C decade -1 over the Black Sea (Shaltout & Omstedt 2014), being also the deep waters affected by the warming phenomenon (0.1-0.27ºC decade -1 , García-Martínez et al 2017).…”

Section: Introductionmentioning

confidence: 99%

“…The Mediterranean basin has a high rate of species endemism (28% of species are endemic), which may be predisposed to local extinction in such a fastchanging environment (Boero & Gravili 2013;Gravili et al 2015a;Galli et al 2017;García-Martínez et al 2017). Several studies started focusing on the community and species repercussions of such warming tendency in this semi-closed area (Calvo et al 2011;Goffredo & Dubinsky 2014).…”

Section: Introductionmentioning

confidence: 99%

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Effects of global warming on reproduction and potential dispersal of Mediterranean Cnidarians

Rossi

Gravili

Milisenda

et al. 2019

The European Zoological Journal

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Water temperature directly affects life cycles, reproductive periods, and metabolism of organisms living the oceans, especially in the surface zones. Due to the ocean warming, changes in water stratification and primary productivity are affecting trophic chains in sensitive world areas, such as the Mediterranean Sea. Benthic and pelagic cnidarians exhibit complex responses to climatic conditions. For example, the structure and phenology of the Mediterranean hydrozoan community displayed marked changes in species composition, bathymetric distribution, and reproductive timing over the last decades. The regional species pool remained stable in terms of species numbers but not in terms of species identity. When the Scyphozoa group is considered, we observe that Pelagia noctiluca (among the most abundant jellyfish in the Mediterranean Sea and eastern Atlantic waters) has increasingly frequent massive outbreaks associated to warmer winters. Variations in metabolic activities, such as respiration and excretion, are strongly temperature-dependent, with direct increment of energetic costs with jellyfish size and temperature, leading to growth rate reduction. Water temperature affects sexual reproduction through changes in the energy storage and gonad development cycles. Anthozoan life cycles depend also on primary productivity and temperature: gonadal production and spawning are tightly related in shallow populations (0-30 m depth) with the spring-summer temperature trends and autumn food availability. Overall, the energy transferred from the mother colonies to the offspring may decrease, negatively affecting their potential to settle, metamorphose and feed during the first months of their lives, eventually impairing the dominance of long-living cnidarian suspension feeders in shallow benthic habitats. In this review, we describe the already ongoing effects of sea warming on several features of cnidarian reproduction, trying to elucidate how reproductive traits and potential dispersion will be affected by the cascade effects of increasing temperature in the Mediterranean Sea.

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Section: Anthozoamentioning

confidence: 99%