Search results for " Vermetid reefs"

showing 3 items of 3 documents

Mediterranean bioconstructions along the Italian coast

2018

Marine bioconstructions are biodiversity-rich, three-dimensional biogenic structures, regulating key ecological functions of benthic ecosystems worldwide. Tropical coral reefs are outstanding for their beauty, diversity and complexity, but analogous types of bioconstructions are also present in temperate seas. The main bioconstructions in the Mediterranean Sea are represented by coralligenous formations, vermetid reefs, deep-sea cold-water corals, Lithophyllum byssoides trottoirs, coral banks formed by the shallow-water corals Cladocora caespitosa or Astroides calycularis, and sabellariid or serpulid worm reefs. Bioconstructions change the morphological and chemicophysical features of prima…

Conservation of Natural ResourcesAnthropogenic pressures; Biodiversity; Ecosystem engineers; Habitat formers; Animals; Conservation of Natural Resources; Italy; Mediterranean Sea; Biodiversity; Coral Reefs; Environmental Monitoring; Ecology Evolution Behavior and Systematics; Aquatic ScienceLithophyllum byssoides trottoirEvolutioncoral banksAnthropogenic pressuresAquatic SciencebioconstructionAnthropogenic pressures; Biodiversity; Ecosystem engineers; Habitat formers; Ecology Evolution Behavior and Systematics; Aquatic ScienceHabitat formerssabellariidcoralligenous formationsCORAL CLADOCORA-CAESPITOSA; MACROALGAL CORALLIGENOUS ASSEMBLAGES; SABELLARIA-ALVEOLATA LINNAEUS; NORTHERN ADRIATIC SEA; BETA-DIVERSITY; ASTROIDES-CALYCULARIS; OCEAN ACIDIFICATION; SPATIAL VARIATION; MASS-MORTALITY; HABITAT CHARACTERIZATIONbioconstructionsBehavior and SystematicsAnthropogenic pressureMediterranean SeaAnimalscoralligenous formationcoral bankConservation of Natural Resourcebioconstructions; coralligenous formations; vermetid reefs; deep-sea cold-water coral; Lithophyllum byssoides trottoirs; coral banks; sabellariid; serpulid worm reefsLithophyllum byssoides trottoirsEcologydeep-sea cold-water coralAnimalCoral Reefsserpulid worm reefsBiodiversityvermetid reefsEcology Evolution Behavior and SystematicItalyEcosystem engineerEcosystem engineersHabitat formerCoral Reefvermetid reefEnvironmental Monitoring
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Assessing vermetid reefs as indicators of past sea levels in the Mediterranean

2020

Abstract The endemic Mediterranean reef building vermetid gastropods Dendropoma petraeum complex (Dendropoma spp) and Vermetus triquetrus develop bio-constructions (rims) on rocky shorelines at about Mean Sea Level (MSL) and are therefore commonly used as relative sea-level (RSL) markers. In this study, we use elevations and age data of vermetid reefs to (1) re-assess the vertical uncertainties of these biological RSL indicators, and (2) evaluate the vertical growth rates along a Mediterranean east-west transect, in attempt to explain the differences found in both growth rates and uncertainties. In Israel, Differential Global Positioning System (DGPS) and laser measurements relative to the …

Settore BIO/07 - EcologiaMediterranean climateDendropoma petraeumTidal range010504 meteorology & atmospheric sciencesVermetid reefsSettore GEO/04 - Geografia Fisica E GeomorfologiaIntertidal zone010502 geochemistry & geophysicsOceanography01 natural sciences1907Geochemistry and PetrologyGrowth ratesMediterranean SeaReef1906Sea level0105 earth and related environmental sciencesgeographyBio-markers Growth rates Mediterranean Sea Past sea-level Vermetid reefsgeography.geographical_feature_categorybiologyDendropomaGeologybiology.organism_classificationOceanography1910Bio-markersSpatial variabilityPast sea-levelGeologyMarine Geology
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METODOLOGIE DI ANALISI DEL PAESAGGIO NELLA VALUTAZIONE DELL’ETEROGENEITÁ STRUTTURALE NEI REEF A VERMETI

2012

Landscape ecology is a discipline that uses many indices to describe environmental dynamics as a function of structural patch organization. Application of landscape ecology methods can be a way to evaluate heterogeneity and fragmentation of a habitat. Landscape indices were applied to evaluate if the algal heterogeneity of a vermetid reef can be related to the reef structure. Results show that heterogeneity is independent from reef width, but algal patches are wider and less abundant in a large cuvette and less wide but in higher number in small cuvette.

Settore BIO/07 - Ecologiapatchiness vermetid reefs heterogeneity Mediterranean Sea
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