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Content archived on 2024-05-27

Multiple stressor effects in the photobiology of Caribbean<br/>symbiotic octocorals and its repercussion in the population fitness and reproductive output

Objective

The ocean transformation due to direct or indirect human interference is a fact. Among the most threatened ecosystems are the so called “animal forests”. Animal forests are considered alive three-dimensional structures mostly (or completely) composed by hexacorals, octocorals, sponges, etc. In tropical seas, symbiotic octocorals (soft corals) are important part of these complex structures. Several synergic effects, acting as stressors in these organisms, have been detected, changing the distribution of species, the partial or total mortality patterns of populations and the associated to this three-dimensional structures biomass and biodiversity. Climate change is the main driver of these stressors, with a clear repercussion in the octocoral population fitness (bleaching events, physiological and metabolic adaptations, decrease in the gonadal output). The photobiology of the species (i.e. symbiont type and concentration, photosynthesis and respiration rates, variation in the photochemical efficiency, etc.) and its effects in front of climate change effects has been studied in hexacorals (hard corals), being the symbiotic octocorals largely neglected. The aim of the project is to understand how futures scenarios of warming temperatures, ocean acidification and food changes will impact the photobiology and physiology of symbiotic octocoral population, reflected in the health status and reproductive capability of this group. Specific objectives of the project are: a) properly describe photo biological features in Caribbean selected symbiotic octocorals; b) Make exsitu experiments with different temperature, acidification and food availability testing metabolic and gonadal output response; c) Make in situ seasonal monitoring of the species biology and environmental factors at different depths to d) Make a model of potential changes in the population distribution and recovery capability after the stress effects.

Fields of science (EuroSciVoc)

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Topic(s)

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Call for proposal

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FP7-PEOPLE-2012-IOF
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Funding Scheme

Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.

MC-IOF - International Outgoing Fellowships (IOF)

Coordinator

UNIVERSITAT AUTONOMA DE BARCELONA
EU contribution
€ 275 135,70
Address
EDIF A CAMPUS DE LA UAB BELLATERRA CERDANYOLA V
08193 Cerdanyola Del Valles
Spain

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Region
Este Cataluña Barcelona
Activity type
Higher or Secondary Education Establishments
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Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

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