Daniele Ventura

Daniele Ventura
Sapienza University of Rome | la sapienza · Department of Environmental Biology

PhD

About

57
Publications
73,571
Reads
How we measure 'reads'
A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Learn more
564
Citations
Introduction
My studies aiming at defining ecological relationship among fish species and habitats especially considering for small-scale spatial variability. According to me, in field observations on local dynamics affecting juvenile populations provide the basis for understanding complex fish life cycles. "I discovered the secret of the sea in meditation upon a dewdrop (KG)"...Nothing could be more true!
Additional affiliations
February 2013 - February 2017
Sapienza University of Rome
Position
  • PhD
January 2013 - present
Sapienza University of Rome
Position
  • PhD Student

Publications

Publications (57)
Chapter
Full-text available
Nowadays the proliferation of small unmanned aerial systems or vehicles (UAS/ Vs), formerly known as drones, coupled with an increasing interest in tools for environmental monitoring, have led to an exponential use of these unmanned aerial platforms for many applications in the most diverse fields of science. In particular, ecologists require data...
Article
Feeding habits, diet overlap and morphological correlates of four juvenile species of the genus Diplodus were investigated during their settlement periods, along the Tyrrhenian coast. Stomach content analysis showed that the diets of D. sargus and D. puntazzo mainly comprised benthic prey such as harpacticoid copepods, amphipods and polychaetes. On...
Article
Timing, microhabitat selection and behavior from the onset of settlement to recruitment to the adult population of juvenile fishes of the genus Diplodus (Pisces: Sparidae) were investigated along a rocky coastline in the Central Mediterranean Sea. The settlement periods in Diplodus sargus and Diplodus annularis were concentrated in spring, between...
Article
Cleaning interactions between the wrasse Symphodus melanocercus and brown meagre Sciaena umbra are documented from observations whilst free diving on a shallow rocky reef in the central Mediterranean Sea. Cleaning events occurred at cleaning stations mainly during the morning and gradually decreased in the evening. The body parts mostly cleaned wer...
Article
Ecological restoration is an important tool to reverse habitat loss and recover ecosystem services. Here, for two years, we examine the dynamic of Posidonia oceanica following the restoration of a 1149 m² meadow damaged by the Concordia shipwreck. To evaluate the suitability of a recently employed seagrass restoration protocol, we assessed the patc...
Article
Full-text available
The need for habitat recovery in coastal areas, especially those subjected to intensive exploitation, has increased because of significant historical loss and alteration of habitats and, therefore, adverse ecological impacts. The present study defines a stepwise approach to mitigate habitat loss in deep coastal environments, describing the planning...
Preprint
The dramatic Mass Mortality Event, MME, of Pinna nobilis populations initially detected in 2016 in the western Mediterranean basin, has also spread rapidly to the central and eastern basin. Unfortunately, there is still a significant lack of information on the status and health of P. nobilis , since only a fragmentary picture of the mortality rate...
Article
Full-text available
Seagrasses rank among the most productive yet highly threatened ecosystems on Earth. Loss of seagrass habitat because of anthropogenic disturbances and evidence of their limited resilience have provided the impetus for investigating and monitoring habitat restoration through transplantation programmes. Although Structure from Motion (SfM) photogram...
Article
Protection and restoration are crucial components of conservation strategies aimed at preserving biodiversity and ecosystem services. Here, we propose a successful protocol to restore the most important and protected Mediterranean seagrass species, Posidonia oceanica. A 52-month experiment was carried out to evaluate the feasibility of the restorat...
Article
Full-text available
These datasets derived from our mapping protocol are presented as a research article in the Journal of Environmental Management [1]. In particular, by using a Structure from Motion photogrammetric workflow we produced high spatial resolution 2D raster maps and 3D outputs such as dense points clouds and textured meshes of an underwater seagrass rest...
Article
Full-text available
Presence-only data are typical occurrence information used in species distribution modelling. Data may be originated from different sources, and their integration is a challenging exercise in spatial ecology as detection biases are rarely fully considered. We propose a new protocol for presence-only data fusion, where information sources include so...
Article
Full-text available
In the Mediterranean Sea, the catch of bottom trawl fisheries is composed of a complex mix of fish and invertebrates with a considerable amount of discards. Seasonal composition of catches and discards of bottom trawls operating at different depths in the central Tyrrhenian Sea were investigated from October 2014 to October 2015. The mean total cat...
Article
Full-text available
Coralligenous reefs are characterized by large bathymetric and spatial distribution, as well as heterogeneity; in shallow environments, they develop mainly on vertical and sub-vertical rocky walls. Mainly diver-based techniques are carried out to gain detailed information on such habitats. Here, we propose a non-destructive and multi-purpose photo...
Article
Full-text available
The role of habitat degradation on the spread of the alien green alga Caulerpa cylindracea is reported here by comparing observations achieved through a multi-year assessment on three Mediterraneans habitats, namely Posidonia oceanica meadows, Phyllophora crispa turf, and coralligenous reefs. Due to the peculiarity of the study site, both natural-r...
Cover Page
Full-text available
The picture shows a dead matte area, precisely when the Costa Concordia shipwreck occurred, characterized by the spread of the invasive green algae Caulerpa cylindracea. The matte is a biogenic substrate, formed by the dense twist of seagrass roots, rhizomes, and sediment, that represents what remains after the regression of the Mediterranean endem...
Article
Full-text available
The assessment of effective and affordable restoration interventions is pivotal to developing new tools to mitigate habitat loss and enhance natural recovery. Gorgonians create important three-dimensional habitats in the Mediterranean Sea providing several ecosystem services associated with coralligenous reefs. Transplantations of the octocorals Eu...
Preprint
Full-text available
Presence-only data are a typical occurrence in species distribution modeling. They include the presence locations and no information on the absence. Their modeling usually does not account for detection biases. In this work, we aim to merge three different sources of information to model the presence of marine mammals. The approach is fully general...
Article
Full-text available
Periodic assessments of population status and trends to detect natural influences and human effects on coastal dolphin are often limited by lack of baseline information. Here, we investigated for the first time the site-fidelity patterns and estimated the population size of bottlenose dolphins (Tursiops truncatus) at the Tiber River estuary (centra...
Article
Full-text available
Having a reliable ecological reference baseline is pivotal to understanding the current status of benthic assemblages. Ecological awareness of our perception of environmental changes could be better described based on historical data. Otherwise, we meet with the shifting baseline syndrome (SBS). Facing SBS harmful consequences on environmental and...
Article
Full-text available
The angular rough shark Oxynotus centrina (Squaliformes; Oxynotidae) and the picked dogfish Squalus acanthias (Squaliformes; Squalidae) are known as vulnerable deep-sea shark species by the International Union Conservation Nature (IUCN). Pandarus bicolor (Copepoda, Pandaridae) is reported for the first time on angular rough shark and picked dogfish...
Article
We report here for the first time the effectiveness of Reteporella bryozoan genus in the early stage of coralligenous reefs recolonization through the analysis of the settlement and the population size structure over a two-years period at two impacted and two control sites. Results highlighted how Reteporella spp. colonies strongly recolonized, fro...
Article
Full-text available
Abstract Characterizing and monitoring changes in biogenic 3‐dimensional (3D) structures at multiple scales over time is challenging within the practical constraints of conventional ecological tools. Therefore, we developed a structure‐from‐motion (SfM)‐based photogrammetry method, coupled with inspection and mesh processing software, to estimate i...
Article
Full-text available
Background Sparid fishes of the genus Diplodus show a complex life history. Juveniles have adaptations well suited to life in the water column. When fishes recruit into the adult population, individuals develop a radically differentiated shape that reflects their adaptation to the new benthic environment typical of the adult. A comparative analysis...
Article
The Costa Concordia shipwreck permitted to assess how multiple disturbances affected marine biota at different spatial and temporal scales, evaluating the effects of mechanical and physical disturbances on Posidonia oceanica (L.) Delile, an endemic seagrass species of the Mediterranean Sea. To assess the impacts of the shipwreck and its salvaging f...
Article
Full-text available
An unusual massive beaching of about two hundred specimens of the ophichthid eel Dalophis imberbis in the Central Mediterranean Sea was documented with in situ photographs and direct observations of beached specimens. No records of massive beaching of this species are reported in literature and only isolated specimens of D. imberbis were sporadical...
Article
Full-text available
Ophelia roscoffensis Augener, 1910 is an opheliid worm identifiable by the number of anterior abranchiate chaetigers and the number of the gill pairs. Although it was already reported in the Mediterranean Sea, it has never been found in the Italian waters. This study represents the first record of Ophelia roscoffensis in the Italian waters. A total...
Poster
Full-text available
A NEW TOOL FOR THE STUDY AND THE MONITORING OF CORALLIGENOUS REEFS
Conference Paper
Full-text available
The paper deals with some current aspects related to the change that is taking place in the marine benthic assemblages, focusing particularly on the acceleration rate generated because of the anthropogenic pressures. Considering the necessity of specific biomonitoring on the communities status, the Authors point out the risk of the incoming "Shifti...
Poster
Full-text available
The effects of unusual very high waves (>5 m) for Tyrrhenian Sea, due to the major storm of 30th October 2018 were assessed along a rocky coast of Giglio Island through UAV-based photogrammetry coupled with low cost RTK-GPS survey. These tools demonstrate how sub-decimeter GIS drone-derived data can become a reliable tool for accurate coastal monit...
Article
Sabellaria alveolata is an ecosystem engineer species capable of building bioconstructions, playing a key functional role in the shallow coastal ecosystems. S. alveolata reefs perform several ecosystem services, such as hosting a rich fauna and producing structures able to provide coastal protection. Despite their ecological role, these bioconstruc...
Article
Full-text available
Goniadella bobrezkii (Annenkova, 1929) is a small goniadid worm identifiable by the number of anterior uniramous parapodia and by the position of the posterior spine-like notochetae arising dorsal to dorsal cirri. Although it was already reported in the Mediterranean Sea, it has never been found in the Italian waters. This study represents the firs...
Article
Full-text available
New data are reported on the Mediterranean parrotfish Sparisoma cretense in the coastal waters of Giglio Islands (North Tyrrhenian Sea). Using visual census strip transects, we documented the occurrence of both adult and sub-adult individuals, providing evidence on the existence of an established population of this species, 26 years after its first...
Article
Full-text available
Nowadays, emerging technologies, such as long-range transmitters, increasingly miniaturized components for positioning, and enhanced imaging sensors, have led to an upsurge in the availability of new ecological applications for remote sensing based on unmanned aerial vehicles (UAVs), sometimes referred to as “drones”. In fact, structure-from-motion...
Article
Sabellaria alveolata is a widespread coastal engineer species that builds sandy bioconstructions in coastal marine habitats, which host a rich associated fauna. Some of these associated species are quite common on rocky or sandy substrates, but few taxa are strictly linked to Sabellaria reefs. In this study, we report, for the first time, the phyll...
Poster
Full-text available
La diffusa miniaturizzazione di componenti come trasmettitori a lungo raggio, G.P.S., sensori inerziali e di immagini ha portato ad un'enorme diffusione dei sistemi aerei capaci di volo autonomo. I droni, o Sistemi Aeromobili a Pilotaggio Remoto (SAPR), internazionalmente noti come Unmanned aerial system (UAS) e Unmanned aerial vehicle (UAV), nati...
Conference Paper
Full-text available
The use of small vehicles capable of autonomous flight (drones) can nowadays become a valid tool of investigation along coastal environments, especially when low-cost and short-term monitoring are required. The aim of this work is to show, through three case studies, the effectiveness of aerial photogrammetry based on Structure from Motion (SfM) al...
Article
Jassa slatteryi is a cosmopolitan amphipod reported as cryptogenic or invasive species throughout the world. Although it had been signaled in the Mediterranean Sea, it was never found on the Italian coasts. This study represents the first record of J. slatteryi in Italy. A total of 87 specimens were collected on artificial hard substrates in the Po...
Article
The ectoparasite communities of two juvenile Diplodus species, D. sargus and D. puntazzo, were studied in a rocky coast of the Central Tyrrhenian sea (Mediterranean Sea) where three neighbouring nursery areas showed a differential availability of microhabitats due to a gradual protection gradient capable of influencing local hydrodynamic conditions...
Article
Full-text available
A human-made environmental disaster due to the shipwrecked of Costa Concordia cruise vessel on the Tuscan Island of Giglio (Italy) coast and the possible pollutants release has been feared, so requiring the activation of removal operations and the monitoring of the marine environment. In the present study, the seagrass Posidonia oceanica (L.) Delil...
Article
The coralligenous habitats found in the Mediterranean Sea are hotspots comparable in biodiversity to tropical reefs. Coralligenous reefs are vulnerable to many human pressures, thus they are among the most threatened habitats in the Mediterranean Sea. In this study, we assessed the impacts on coralligenous habitats of activities associated with sal...
Article
The influence of geomorphological features on the distribution of Cystoseira populations along the coasts of four pristine islands in the Tyrrhenian Sea (Italy, central Mediterranean) was studied by means of a model-based statistical analysis. The most relevant trait that determined the presence of these populations was found to be the coastline sl...
Article
Macroalgal assemblages dominated by the turf-forming alga Phyllophora crispa are described in detail for the first time in the Central Mediterranean Sea. This particular form of algal growth, which comprises an upper mixed layer of multiple algal species with a basal stratum formed by entangled thalli of P. crispa, was observed for the first time i...
Article
Full-text available
Holoplanktonic polychaetes constitute an exception within this taxon, which as adults colonize all the whole variety of brackish water and marine habitats. Nevertheless, they form a distinctive group in marine zooplankton and play an important role in the pelagic trophic nets. Pelagic worms are little studied, especially in the Mediterranean Sea, w...
Article
Full-text available
The Costa Concordia cruise-ship disaster occurred just off the coast of Italy on January 13 th , 2012, and entailed the largest marine salvage operation in history. The salvage employed vessels from different European harbours, providing an unexpected means for transporting alien species into the Mediterranean. In this work we identified mussel spe...
Poster
Full-text available
Acquiring ultra-high resoultion imagery (cm/pixel) in the field of marine ecology has a key role in defining and mapping shallow marine habitats. However, accessibility for this kind of data by high-resolution satellite imagery is more time- and cost-consuming than using small unmanned aerial systems (UAS or drones). In fact nowadays, we are witnes...
Conference Paper
Full-text available
Considering the importance of sparid fishes from both economic (adults are widely exploited in professional fisheries and aquaculture) and ecological (juveniles exhibit specific microhabitat association and partitioning) points of view, we focused the PhD thesis on feeding habits of juvenile sparid fishes. During this research we noticed how many a...
Conference Paper
Full-text available
Sabellaria alveolata is a bioengineer sabellariid polychaete worm widespread in Mediterranean Sea. Reefs are hard compact infralittoral bioconstructions on solid and soft bottoms which increasesvolume, complexity and heterogeneity of the habitat, therefore shaping the seascape. These reefs result from the aggregation of worm tubes made up of sand g...
Conference Paper
Full-text available
Considering the importance of sparid fishes from both economic (adults are widely exploited in professional fisheries and aquaculture) and ecological (juveniles exhibit specific microhabitat association and partitioning) points of view, we focused this work on feeding habits of juvenile sparid fishes. During this research we noticed how many aspect...
Article
Full-text available
Cleaning behaviour of the ectoparasitic Peniculus fistula (Copepoda: Pennellidae) between juveniles of Diplodus sargus and D. puntazzo was observed and reported for the first time in the Mediterranean Sea

Network

Cited By

Projects

Projects (5)
Project
This project aims to build on the current knowledge of bottlenose dolphins in central Mediterranean (Tyrrhenian Sea, Rome, Italy) using distibution modelling, photoidentification and acoustic methods. The study will also aim to characterize dolphins’ acoustic repertoire by measuring vocal parameters and identifying changes in relation to different behavioural states. Social structure will be investigated as well.
Project
Stomach content analysis and morphometrics in realtion to feeding habits and trophic niche of coastal fish species
Project
Fine identification and description of microhabitat use in juvenile sparid fishes (genus Diplodus)