Adriana Alagna

ORCID: 0000-0003-1697-0901
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About
Contact & Profiles
Research Areas
  • Marine and coastal plant biology
  • Coastal wetland ecosystem dynamics
  • Coral and Marine Ecosystems Studies
  • Marine Biology and Environmental Chemistry
  • Marine Biology and Ecology Research
  • Marine Ecology and Invasive Species
  • Coastal and Marine Dynamics
  • Echinoderm biology and ecology
  • Marine and fisheries research
  • Optics and Image Analysis
  • Marine Bivalve and Aquaculture Studies
  • Cephalopods and Marine Biology
  • Coastal and Marine Management
  • Water Quality Monitoring Technologies
  • Fault Detection and Control Systems
  • Bipolar Disorder and Treatment
  • Flow Measurement and Analysis
  • Marine and coastal ecosystems
  • Schizophrenia research and treatment
  • Maritime and Coastal Archaeology
  • Ancient Mediterranean Archaeology and History
  • Seaweed-derived Bioactive Compounds

University of Palermo
2024

Stazione Zoologica Anton Dohrn
2019-2024

National Research Council
2022

Institute for the Study of Anthropic Impact and Sustainability in the Marine Environment
2019-2020

Institute for Coastal Marine Environment
2013-2020

University of Salento
2011-2013

Fondazione IRCCS Istituto Neurologico Carlo Besta
1999

Abstract Posidonia oceanica meadows are declining at alarming rates due to climate change and human activities. Although P. is considered the most important well-studied seagrass species of Mediterranean Sea, date there has been a limited effort combine all spatial information available provide complete distribution across basin. The aim this work fine-scale assessment (i) current historical known , (ii) total area (iii) magnitude regressive phenomena in last decades. outcomes showed...

10.1038/srep12505 article EN cc-by Scientific Reports 2015-07-28

Abstract Shallow-water marine organisms are among the first to suffer from combined effects of natural and anthropogenic drivers. The orange coral Astroides calycularis is a shallow-water bioconstructor species endemic Mediterranean Sea. Although raising conservation interest, also given its special position within Dendrophylliidae, information about threats health scant. We investigated status A. at five locations in northwestern Sicily along gradient cumulative human impact most probable...

10.1038/s41598-019-49713-w article EN cc-by Scientific Reports 2019-09-17

Posidonia oceanica meadows are acknowledged as one of the most valuable ecosystems Mediterranean Sea. P. has been historically described a species typically growing on mobile substrates whose development requires precursor communities. Here we document for first time extensive presence sticky hairs covering seedling roots. Adhesive root allow seedlings to firmly anchor rocky with anchorage strength values up 5.23 N, regardless algal cover and colonise bare rock without need assemblages...

10.1038/srep08804 article EN cc-by Scientific Reports 2015-03-05

In the last decades growing awareness of ecological importance seagrass meadows has prompted increasing efforts to protect existing beds and restore degraded habitats. An in-depth knowledge factors acting as major drivers propagule settlement recruitment is required in order understand patterns colonization recovery inform appropriate management conservation strategies. this work Posidonia oceanica seedlings were reared for five months a land-based culture facility under simulated natural...

10.1371/journal.pone.0125321 article EN cc-by PLoS ONE 2015-04-30

Among a suite of abiotic and biotic factors, the hydrodynamic regime strongly influences success seagrass recruitment through sexual propagules. Uprooting propagules by drag forces exerted currents waves is one main causes for failed establishment consequent recruitment. Substrate type stability play key role in determining colonization propagules, as seedling probabilities proved to be significantly higher on rocky bottoms than unstable unconsolidated substrates. In this research, current...

10.3389/fmars.2021.788448 article EN cc-by Frontiers in Marine Science 2022-01-06

Seed-based restoration methods are increasingly recognized as a relevant tool contributing to halt and reverse the loss of seagrass meadows while providing genetic evolutionary benefit for conservation these habitats.

10.3389/fpls.2024.1433358 article EN cc-by Frontiers in Plant Science 2024-11-25

Posidonia oceanica , the dominant Mediterranean seagrass, has been historically described as a species typically growing on mobile substrates whose development requires precursor communities. During more than 10 years of direct observations, we noticed that P. seedlings were often firmly anchored to rocky reefs, even at exposed sites. Thus, analysed ultrastructural features seedling root systems identify specific traits may represent adaptations for early anchorage bottoms. Subapical...

10.7287/peerj.preprints.1149v1 preprint EN 2015-06-01

Posidonia oceanica , the dominant Mediterranean seagrass, has been historically described as a species typically growing on mobile substrates whose development requires precursor communities. During more than 10 years of direct observations, we noticed that P. seedlings were often firmly anchored to rocky reefs, even at exposed sites. Thus, analysed ultrastructural features seedling root systems identify specific traits may represent adaptations for early anchorage bottoms. Subapical...

10.7287/peerj.preprints.1149 preprint EN 2015-06-01
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