22 documents found, page 1 of 3
Recovery after exploitation of stalked barnacles is facilitated by the presence...
Gómez‑del Campo, V; Arrontes, J; Cruz, T; Vázquez, E; Macho, G; Thiébaut, E; Geiger, K; Fernandes, J; Jacinto, D; Aguión, A; Silva, T; Mateus, DWe have followed the recovery of gaps produced either by harvesters or by scientists in stands of stalked barnacle (Pollicipes pollicipes) during two years in four regions of Europe (SW Portugal, Galicia and Asturias in Spain and Brittany in France; n = 423 gaps), which was extended to four years in Asturias (n = 252 gaps). The presence of adult conspecifics in the margins of the gaps increased by at least four...
Pilot studies for stock enhancement of purple sea urchins (Paracentrotus lividu...
Correia, MJ; Mega Lopes, P; Santos, PM; Jacinto, D; Mateus, D; Maresca, F; Quintella, B; Cruz, T; Sílvia, L; Pombo, A; Costa, JLIn the framework of stock enhancement, field experiments were conducted between March and July 2021 in rocky shores of Central Portugal to test the usefulness of refuges and calcein marking for juvenile sea urchins releases. Individuals with 10–20 mm in test diameter were captured in nature and tagged through immersion in a calcein bath with a concentration of 150 mg L−1, during 48 hr. Artificial shelters were ...
Relatório científico da Expedição Oceano Azul - Cascais | Mafra | Sintra
Cabral, H; Afonso, CML; Almada, F; Almeida, S; Alonso, H; Andrade, J; Anjos, M; Batista, M; Bentes, L; Carvalho, AC; Celestino, S; Coelho, PD; Coxey, MA zona marítima dos concelhos de Cascais, Mafra e Sintra tem sido pouco estudada, não obstante situar-se frente a grandes centros urbanos e ser alvo de diversos usos e atividades humanas. Algumas das suas características geográficas e dos seus elementos notáveis ao nível dos fundos marinhos acrescem o seu interesse científico e patrimonial. Com o objectivo de ampliar o conhecimento científico sobre a biodiversi...
Physical and chemical tagging methods for the sea urchin Paracentrotus lividus ...
Santos, PM; Quintella, B; Jacinto, David; Gomes, A; Saldanha, C; Lourenço, S; Lopes, P; Correia, MJ; Mateus, D; Cruz, T; Pombo, A; Costa, JLThe sea urchin Paracentrotus lividus (Lamarck, 1816) (Echinodermata: Echinoidea) is an important economic resource in Europe, but intense harvesting has led to the collapse of several natural populations. Echinoculture, associated with restocking and stock enhancement practices, is an alternative to this problem. In these procedures, reliable individual identification through tagging is a valuable source of inf...
A large‑scale comparison of reproduction and recruitment of the stalked barnacl...
Aguión, A; Cruz, T; Acuña, JL; Broudin, C; Castro, JJ; Davoult, D; Dubert, J; Fernandes, JN; Geiger, KJ; Jacinto, D; Mateus, D; Muñiz, C; Nolasco, RUnderstanding large-scale spatial and temporal patterns of marine populations is a central goal in ecology, which has received renewed attention under climate change. However, few studies explore the large-scale dynamics of populations using standardized protocols and during the same time frames. We studied the phenology and intensity of reproduction and recruitment for the intertidal stalked barnacle Pollicipe...
Pedunculate cirripedes of the genus Pollicipes: 25 years after Margaret Barnes'...
Cruz, T; Jacinto, D; Seabra, MI; Van Syoc, RJ; Power, AM; Macho, G; Sousa, A; Castro, JJ; Hawkins, SJTwenty-five years ago, Margaret Barnes reviewed the genus Pollicipes published in Oceanography and Marine Biology: An Annual Review. Our review complements and updates Barnes (1996). An endemic species of Pollicipes, P. caboverdensis, from Cape Verde Islands, has since been described, joining the three previously known extant species (P. polymerus, northeastern Pacific Ocean, P. elegans, tropical eastern Pacifi...
Catálogo da exposição “Áreas Marinhas Protegidas da Costa Sudoeste”
Quintella, BR; Horta e Costa, B; Pinto, B; Silva, AF; Sousa, I; Antunes, M; Coelho, P; Costa, JL; Almeida, PR; Marques, JP; Teodoro, PF; Costa, ACatálogo da exposição “Áreas Marinhas Protegidas da Costa Sudoeste”.
Ecologia do litoral rochoso alentejano
Castro, JJ; Cruz, T; Silva, TEcologia do litoral rochoso alentejano. Professores e Investigadores do Departamento de Biologia, Laboratório de Ciências do Mar (Escola de Ciências e Tecnologia) e MARE – Centro de Ciências do Mar e do Ambiente, da Universidade de Évora, criaram este artigo com o objetivo de contribuir para o enriquecimento da literacia científica sobre o litoral rochoso alentejano.
Synthesis and evaluation of novel chromanone and quinolinone analogues of unifl...
Castro, H; Cruz, T; Amaral, PA; Cardoso, PS; Alsaffar, A; Farrell, P; Tomás, AM; Barlow, JWWithin this work, we describe the design and synthesis of a range of novel chromanones and quinolinones, based on natural products reported to possess anti-leishmanial action. The core heterocycles were obtained either via classical or ionic liquid mediated Kabbe condensation in the case of chromanones, or aqueous Sonogashira based alkynylation followed by acid-catalysed cyclisation in the case of quinolinones....
The intertidal zone of the North-East Atlantic region: pattern and process.
Hawkins, SJ; Pack, KE; Firth, LB; Mieskowska, N; Evans, AJ; Martins, GM; Aberg, P; Adams, LC; Arenas, F; Boaventura, DM; Bohn, K; Borges, CDGThe north-east Atlantic region is an area where clades originating in the north Pacific (fucoids, balanoids, littorinids, thaids, laminarians) collide with clades from further south in the Atlantic (e.g., patellids, trochids, chthamalids). At high latitudes in the north, seaweeds dominate the midshore zone of all but the most exposed shores. Further south, midshore space-occupying invertebrates (mussels and bar...