Browsing by Author "Giraldes, Bruno Welter"
Now showing items 1-18 of 18
-
Anthropogenic related variations in the epibiotic biodiversity and age structure of the “Pearl Oyster” Pinctada radiata within the eulittoral zone of Qatar
Smyth, David; Al-Maslamani, Ibrahim; Giraldes, Bruno Welter; Chatting, Mark; Al-Ansari, Ebrahim; Le Vay, Lewis... more authors ... less authors ( Elsevier , 2016 , Article)Abstract Oyster aggregations provide critical habitat that contain diverse communities, with epibiota and oysters sensitive to environmental disturbance. The monitoring of oysters and associated organisms has become an ... -
Artisanal fishing of spiny lobsters with gillnets — A significant anthropic impact on tropical reef ecosystem
Giraldes, Bruno Welter; Silva, Angela Zacaron; Corrêa, Fabio M.; Smyth, David M. (2015 , Article)Abstract Artisanal fishing activity with gillnets to capture the spiny lobster is a common practice along the coastal reefs of Brazil. This research aims to understand the impact that this artisanal fishing practice is ... -
Basic assessment of Portunus segnis (Forskål, 1775) – A baseline for stock management in the Western Arabian Gulf
Giraldes, Bruno Welter; Al-Maslamani, Ibrahim; Al-Ashwel, Aisha; Chatting, Mark; Smyth, David ( Elsevier , 2016 , Article)Portunus segnis (Forskål, 1775) is the representative species of the Portunus pelagicus (Linnaeus, 1758) complex described as inhabiting the Arabian Gulf. It represents one of the most important decapod resources within ... -
The benthic sea-silk-thread displacement of a sessile bivalve, Pinctada imbricata radiata (Leach, 1819) in the Arabian-Persian Gulf
Giraldes, Bruno Welter; Leitão, Alexandra; Smyth, David ( Public Library of Science , 2019 , Article)A number of molluscs within the Class Bivalvia are defined by their ability to secrete fine silk like threads known as byssus which are used to anchor themselves to solid substrates. With relatively few exceptions the ... -
Burrowing crabs in arid mangrove forests on the southwestern Arabian Gulf: Ecological and biogeographical considerations
Al-Khayat, Jassim A.; Giraldes, Bruno Welter ( Elsevier B.V. , 2020 , Article)Many species of mangrove crabs are essential in the formation of mangrove ecosystems, and the bioturbation resulting from the excavation of their underground chambers is directly correlated with substrate oxygenation and ... -
Decapod assemblages in subtidal and intertidal zones—Importance of scuba diving as a survey technique in tropical reefs, Brazil
Giraldes, Bruno Welter; Coelho Filho, Petrônio Alves; Smyth, David Mark ( Elsevier , 2015 , Article)Decapods play a crucial role within the reef ecosystem and the development of scuba diving as a survey tool has allowed researchers the opportunity to study the decapod–reef relationship more comprehensively. The present ... -
Extending the southern range of four shrimps (Crustacea: Decapoda: Stenopodidae, Hippolytidae and Alpheidae) in southwestern Atlantic (27oS) and confirming the presence of Mediterranean Stenopus spinosus Risso, 1827 in Brazil
Giraldes, Bruno Welter; Freire, Andrea Santarosa ( Zootaxa , 2015 , Article)In subtidal zones, certain shrimp species with cryptic behaviour represent a gap in the biodiversity description in many places in the world. This study extends the southern limit of Stenopus hispidus (Oliver, 1811), Alpheus ... -
First jellyfish records for Qatar and further notes on Scyphomedusae species from the Arabian Gulf (Cnidaria, Scyphozoa)
Daly Yahia, Mohamed Nejib; Range, Pedro; Giraldes, Bruno Welter; Morandini, André C. ( Cambridge University Press , 2023 , Article)This study focused on a jellyfish monitoring and sampling programme along the eastern Qatar seawaters and reports the first jellyfish records for the Qatar pelagic ecosystem and the occurrence of three scyphozoans: the ... -
The first record of the Indo-Pacific benthic ctenophore Coeloplana (Benthoplana) meteoris (Ctenophora: Coeloplanidae) in the ArabianPersian Gulf
Giraldes, Bruno Welter ( Elsevier , 2019 , Article)This report presents the first occurrence of the Indo-Pacific benthic ctenophore Coeloplana (Benthoplana) meteoris (Thiel, 1968) in the western part of the Arabian-Persian Gulf, extending its range to 2000km, a record that ... -
The fishing behaviour of Metopograpsus messor (Decapoda: Grapsidae) and the use of pneumatophore-borne vibrations for prey-localizing in an arid mangrove setting
Giraldes, Bruno Welter; Chatting, Mark; Smyth, David ( Cambridge University Press , 2019 , Article)This study presents the first documented observations of a brachyuran crab's proactive fishing behaviour in conjunction with mangrove pneumatophores which are employed as prey-localization devices. All ecological data were ... -
Marine collection in Qatar - basis for biodiversity management
Giraldes, Bruno Welter; Al-Maslamani, Ibrahim; Chatting, Mark; Smyth, David ( Hamad bin Khalifa University Press (HBKU Press) , 2015 , Conference Paper)Biological Collections, which deal directly with identifying and documenting biodiversity, have a major role in assisting biodiversity management. They form the basis for research, documenting flora and fauna and creating ... -
Modern problems in marine biodiversity records-illustrated by the case of the Caribbean Pelia mutica (Gibbes, 1850) confirmed in Brazil
Giraldes, Bruno Welter; Smyth, David; Chatting, Mark ( Cambridge University Press , 2016 , Article)This report confirms the presence of Pelia mutica in Brazil, extending its range by approximately 4000 km south to the southwestern Atlantic Ocean from its most southerly recorded distribution. The presence of this small ... -
A new species of leucosiid crab (Decapoda: Brachyura: Leucosiidae) from the Arabian Gulf
GIRALDES, BRUNO WELTER; AL-MASLAMANI, IBRAHIM; SMYTH, DAVID ( Magnolia Press , 2017 , Article)The Indo-West Pacific genus Coleusia Galil 2006, was recently described and now comprises seven species. We describe a new species from the western Arabian Gulf, Coleusia janani n. sp. The new species is closely related ... -
The nocturnal zonation of decapods in the subtidal zone within the reef seascape-abiotic factors defining habitats
Giraldes, Bruno Welter; Coelho Filho, Petrônio Alves; Smyth, David M.; Coelho, Petrônio Alves ( Oxford University Press , 2017 , Article)© International Council for the Exploration of the Sea 2017. All rights reserved. The relationship between populations of marine organisms and physicochemical gradients directly influence distributions of species within ... -
De novo transcriptome assembly of the Qatari pearl oyster Pinctada imbricata radiata
Bean, Tim P.; Khatir, Zenaba; Lyons, Brett P.; van Aerle, Ronny; Minardi, Diana; Bignell, John P.; Smyth, David; Giraldes, Bruno Welter; Leitão, Alexandra... more authors ... less authors ( Elsevier , 2020 , Article)© 2019 The pearl oyster Pinctada imbricata radiata is an iconic species in Qatar, representing an integral part of the nation's cultural heritage and one of the main economic foundations upon which the nation developed. ... -
Recognizing Panulirus meripurpuratus sp. nov. (Decapoda: Palinuridae) in Brazil—Systematic and biogeographic overview of Panulirus species in the Atlantic Ocean
GIRALDES, BRUNO WELTER; SMYTH, DAVID MARK ( Magnolia Press , 2016 , Article)Genetic analysis divides Panulirus argus into two different species, physically separated by the Amazon-Orinoco plume since the Last Glacial Maximum. Panulirus argus sensu stricto is distributed north of this biogeographic ... -
Towards Sustainable Management of Coastal and Offshore Islands in Arabian Gulf Typology: Sensitivity Analysis, Ecological Risk Assessment of Halul and Al-Alyia Islands
Elobaid, Elnaim; Giraldes, Bruno Welter; Al-Kuwari, Hamad; Al-Khayat, Jassim; Sadooni, Fadhil; Elbary, Ekhlas... more authors ... less authors ( Qatar University Press , 2021 , Poster)The great majority of marine ecosystems in Qatar are in fast decline and nearing collapse, where most ecosystem has lost the biological and economic functionality. Aiming to support the decision makers in the management ... -
Two new sponge species (Demospongiae: Chalinidae and Suberitidae) isolated from hyperarid mangroves of Qatar with notes on their potential antibacterial bioactivity.
Giraldes, Bruno Welter; Goodwin, Claire; Al-Fardi, Noora A A; Engmann, Amanda; Leitão, Alexandra; Ahmed, Asma A; Ahmed, Kamelia O; Abdulkader, Hadil A; Al-Korbi, Halah A; Al Easa, Hala Sultan Saif; Ahmed Eltai, Nahla O; Hanifi-Moghaddam, Pejman... more authors ... less authors ( Public Library of Science , 2020 , Article)This study presents the taxonomic description of two new sponge species that are intimately associated with the hyperarid mangrove ecosystem of Qatar. The study includes a preliminary evaluation of the sponges' potential ...