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Incidence of larvae mouthpart deformities in Chironomus plumosus (Diptera: Chironomidae) and Procladius sp. (Diptera: Chironomidae) from Piediluco Lake, Italy

Veroli, A. di; Goretti, E.; Marcucci, C.; Fabrizi, A.; Scopetta, L.; Giovanni, M. V. di (2008)

A study of larval mouthpart deformities of Chironomus plumosus and Procladius sp., in Piediluco Lake (Italy), shows a substantial incidence of deformities throughout the lake basin, which correlates with the hydrological ...

The ecophysiology of canarian Euphorbia shrubs, focussing the water balance

Mies, Bruno A. (1998)

The woody spurges (Euphorbia spp.) of the Atlantic Islands differ in their ecological potentials corresponding to their habitat preferences. The structure of vegetation, morphology, microclimate, transpiration, photosynthesis ...

Morphological and anatomical characterization of the genus Semele (Lilliaceae) in the island of Madeira

Lucas, Iolanda C. Vale; Carvalho, Miguel Ângelo A. Pinheiro de; Paiva, Jorge A. (1998)

The genus Semele is endemic to Macaronesia. On Madeira Island it has a wide distribution, growing in the Laurisilva and in more xerophytic transition areas of the north coast. The intrageneric taxonomical os Semele is ...

Characterization of the dwarf forest of "Cerro Copey" (Margarita Island, Venezuela)

Enrech, N. Xena de; Escala, M.; Madriz, R. (1998)

The dwarf forest of the east slope of Cerro Copey on Margarita Island, Venezuela, is highly conditioned by strong winds that whip the area and persistent clouds that cover it. Three well differentiated habitats with ...

Cytometric determination of genome size in Ruscus (Liliaceae) from the flora of Madeira

Carvalho, Miguel Ângelo A. Pinheiro de; Lucas, Iolanda C. Vale; Redondo, M. de las Nieves; Horjales, Marina (1998)

The phytogeographical origin and relationship between the local and European or African flora are one of the biggest problems concerning the study of Macaronesian vegetation. Flow cytometry can play an important role as a ...

Conservation status and preliminar results on the phylogenetics of Isoplexis (Lindl.) Benth. (Scrophulariaceae) an endemic Macaronesian genus

Carvalho, José Augusto; Culham, A. (1998)

A survey of the populations of Isoplexis in 1995 shows I. canariensis occupying a broad habitat spectrum with a distribution that seems naturally wide in Tenerife but suggests its extinction on La Gomera and La Palma; I. ...

The impact of Arbuscular Mycorrhizal Fungal (AMF) mycelium upon the growth of Sinapidendron gymnocalix (Lowe) Rustan (Brassicaceae)

Batista-Marques, M. I.; Read, D. J. (1998)

Arbuscular Mycorrhizal Fungi (AMF) occur in the majority of the plant families and their presence influences plant community structure. It is recognised that these fungi have the ability to increase the growth of plants ...

Ecology and distribution of the genus Tamarix L. (Tamaricales: Tamaricaceae) on the island of Gran Canaria

Barry, A. R.; Luque, A. (1998)

The genus Tamarix L. (Tamaricaceae) presents a complex taxonomy due to the polymorphic characteristics and that even the smallest morphological differences are used in its classification. The aim of this work is to study ...

Phenotypic variations in single stock wreckfish Polyprion americanus (Teleostei: Polyprionidae) from the North East Atlantic

Andrade, Carlos A. P.; Gouveia, M. E. Pereira de; Sedberry, G. R. (1998)

The wreckfish Polyprion americanus (Schneider, 1801) has a wide distribution in both Eastern and Western sides of the Atlantic Ocean. Recent DNA analysis revealed a single stock of the species for the North Atlantic. This ...

Palaeoecological evidence for human impact on the North Atlantic Islands

Buckland, Paul C.; Dugmore, A. J.; Sadler, Jonathan P. (1998)

European expansion across the North Atlantic began in the eighth century AD and by the end of the tenth had reached Newfoundland by way of the stepping stones provided by the Faroes, Iceland and Greenland. Lacking indigenous ...

Faunistic particularities of the chironomid assemblages (Diptera: Chironomidae) of the Upper-Tisza, NE Hungary

Móra, Arnold (2008)

We explored the chironomid fauna of Hungarian section of Upper-Tisza. 23 403 exuviae were sorted, 85 taxa belonging to four subfamilies were identified. In comparison with five other European large rivers, we found the ...

Preliminary findings on the feeding behaviour and general ecology strategy of the mediterranean Monk Seal Monachus monachus - (Pinnipedia: Monachinae) on the Desertas Islands

Neves, Henrique Costa (1998)

The mediterranean Monk Seal (Monachus monachus) faced a gradual decrease on the Desertas islands, mainly due to the competition with fishermen resulting in deliberate killings, and accidental killings by entanglement in ...

Marine algae of the island of Flores, Azores: ecology and floristics

Tittley, Ian; Neto, Ana Isabel; Farnham, William F. (1998)

Preliminary results of an extensive field survey of the marine algal flora of Flores are presented. Intertidal and subtidal algal zonation and community structure were investigated by sampling quadrats along transect lines. ...

A catalogue of the marine benthic algae of the Sisargas Islands (N. W. Iberian Peninsula, Spain)

Veiga, A. J.; Cremades, J.; Bárbara, I. (1998)

A first catalogue of the seaweeds of Sisargas Islands (A Coruna, N. W. Iberian Peninsula) is presented. We catalogue 231 taxa (12 Cyanophyta, 151 Rhodophyta, 42 Phaeophyta and 26 Chlorophyta). Several of these taxa are ...

Seaweeds and biogeography in the Macaronesian region

Reine, William F. Prud' homme van (1998)

Seaweeds are marvellous target organisms for biogeography. These marine plant-like organisms are generally attached to the substrate and thrive in the border between the land and the sea, which is a relatively narrow and ...

Trophic structure of the Maspalomas Lagoon (Gran Canaria, Canary Islands), a regenerated ecosystem of brackish water

Moreno, Teresa; Castro, Juan José (1998)

Fluxes of energy for the Maspalomas Lagoon ecosystem (Gran Canaria, Canary Islands) were obtained using the ECOPATH-II steady state ecosystem model. This brackish water ecosystem, which was regenerated in Summer 1992, is ...

Developmental stages of bianquizal due to herbivory by the sea urchin Diadema antillarum Philippi (Echinoidea: Diadematidae) in the Canary Islands

Casanas, A.; Larsen, H. Haack; Haroun, R. J. (1998)

In the Canary islands the populations of the sea urchin Diadema antillarum Philippi 1845 (Echinoidea: Diadematidae) have experienced a great increase in density and distribution. This herbivore has transformad large rocky ...

Sublittoral epibenthic communities around Funchal (Ilha da Madeira, NE Atlantic)

Bianchi, Carlo Nike; Morri, Carla; Sartoni, Gianfranco; Wirtz, Peter (1998)

The main epibenthic communities and their zonation were studied down to about 25 m depth in six sites along the southern coast of the Island of Madeira. Subsequent belts of Chthamalus stellatus, Corallina elongata and ...

Changes in Bermuda's biota

Sterrer, Wolfgang (1998)

Bermuda s total biodiversity, marine and terrestrial, consists of at least 8022 known species. This paper identifies major changes, most of them anthropogenic, in the Island s biota since the Pleistocene, and highlights ...

Terrestrial nature reserves on islands

Shafer, Craig L. (1998)

A proposal for an international convention to conserve islands was made by an advisory committee to the U. S. A. government before the Stockholm Convention (Baker et al., 1972). Today the best way to conserve islands still ...

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Boletim do Museu Municipal do Funchal: Recent submissions

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