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Marine algal flora of São Miguel Island, Azores

Neto, Ana I.; Moreu, Ignacio; Rosas-Alquicira, Edgar; León-Cisneros, Karla; Cacabelos, Eva; Botelho, Andrea Z.; Micael, Joana; Costa, Ana C.

BACKGROUND The macroalgal flora of the Island of São Miguel (eastern group of the Azores Archipelago) has attracted the interest of many researchers in the past, the first publications going back to the nineteenth century. Initial studies were mainly taxonomic, resulting in the publication of a checklist of the Azorean benthic marine algae. Later, the establishment of the University of the Azores on the Island ...


O guano como alicerce do Império Inca e da conservação da Natureza

Rodrigues, Pedro; Micael, Joana

A origem da conservação da Natureza tem sido associada à Revolução Industrial no século XIX quando George Perkins Marsh deu a conhecer os impactos irreversíveis das ações humanas sobre a Natureza no seu livro Man and Nature (O Homem e a Natureza) de 1864. Poucos anos depois, em 1872, surgiu a criação do primeiro Parque Natural do Mundo, o Yellowstone National Park. No entanto, as origens da conservação da Natur...


The non indigenous macroalgae’s hide-and-seek play

Parente, Manuela I.; Botelho, A.Z.; Micael, Joana; Torres, Raquel; Milla-Figueras, David; Gabriel, Daniela; Monteiro, João; Ballesteros, Enric

ABSTRACT: The colonization rate of Atlantic oceanic archipelagos by non-indigenous species of marine macroalgae has been shown to be higher than in continental locations. The NIS macroalgae list in the Azores that started to be compiled since the late eighties has been updated by data collected during the regional monitoring program of marine NIS. Under this program monitoring sites have been mainly located in ...


Barcoding non-indigenous macroalgae in the Azores

Santos, Rodolfo; Ferreira, Anastasija; Micael, Joana; Costa, Ana Cristina; Gil-Rodriguez, Maria; Machin, Maria; Gabriel, Daniela; Parente, Manuela I.

ABSTRACT: Algae invasions in marine habitats represent a recognized worldwide threat to the integrity of native communities, to economy and even to human health. The em phasis of the present work is on non-indigenous marine macroalgae species in the Azores.


Non-indigenous species in Portuguese coastal areas, coastal lagoons, estuaries ...

Chainho, Paula; Fernandes, António; Amorim, Ana; Ávila, Sérgio P.; Canning-Clode, João; Castro, João J.; Costa, Ana C.; Costa, José Lino; Cruz, Teresa

Trends in abundance, temporal occurrence and spatial distribution of marine and brackish non-indigenous species (NIS) are part of the indicators to assess the compliance of Good Environmental Status in the European Marine Strategy Framework Directive (EU-MSFD). European-wide regional and national databases for NIS will be useful for the implementation of the EU-MSFD but there are still spatial gaps for some reg...


Re-visiting Vila do Porto marina (Santa Maria, Azores archipelago)

Micael, Joana; Parente, Manuela I.; Gabriel, Daniela; Costa, Ana Cristina

ABSTRACT: Harbours and marinas are important places of introduction and spread of non-native organisms, due to local, regional and international shipping activities, both commercial and recreational. Moreover, marina infrastructures are an increasingly common form of artificial habitat, which is likely to increase the recruitment of organisms relative to natural shores. The association of marine wildlife with a...


Equinodermes : sentinelas da saúde ambiental

Micael, Joana; Silva, Nuno

A resistência de bactérias a antibióticos tem vindo a ser progressivamente detetada em diferentes habitats. Esta ocorrência está geralmente relacionada com o uso intensivo de fármacos anti-bacterianos em diversas atividades humanas. tais como na produção animal e pode ter como consequência o aparecimento e a disseminação de estirpes resistentes a antibióticos, em animais selvagens. Os agentes anti-bacterianos e...


Allocation of nutrients during the reproductive cycle of Ophidiaster ophidianus...

Micael, Joana; Rodrigues, Armindo; Barreto, Maria do Carmo; Alves, Maria J.; Malcolm, Jones; Costa, Ana C.

The reproductive cycle of Ophidiaster ophidianus (strictly protected status) from Sa˜o Miguel Island, in the Azorean Archipelago was studied. The reproductive strategy; the energy allocation of each sex during the reproductive cycle and the nutritional condition of the population were analyzed. Gonadal index (GI) showed a clear seasonal pattern with spawning between August and October but histological examinati...


Equinodermes dos Açores : biodiversidade e conservação

Micael, Joana

Os estudos desenvolvidos pelo CIBIO-UAç acerca da biologia, ecologia e genética dos equinodermes permitirão desenvolver uma estratégia de conservação holística e integrada.


Contributo para o conhecimento da biodiversidade marinha da ilha das Flores

Dionísio, Maria Ana; Micael, Joana; Parente, Manuela I.; Norberto, Rita; Cunha, Andreia; Brum, João M. M.; Cunha, Luís; Lopes, Cláudia; Monteiro, Sandra

No âmbito da XIII Expedição Científica Flores e Corvo/2007, organizada pelo Departamento de Biologia da Universidade dos Açores, efectuaram-se várias observações e recolhas de organismos marinhos, utilizando 3 metodologias: mergulho (bentos), arrasto (plâncton) e prospecção no intertidal.


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