Results 51 to 60 of about 66,155 (205)

The effect of low salinity on teredinids

open access: yesBrazilian Archives of Biology and Technology, 2000
Teredinids survival in low salinities was determined in aquaria. Panels previously immersed in Ponta de Leste, Ilha Grande Bay, Rio de Janeiro, were transferred to aquaria with salinities ranging from 5.0 to 15.0 Practical Salinity Unities (PSU).
Cristine C. Barreto   +2 more
doaj   +1 more source

DESENVOLVIMENTO DE ÁRVORES NATIVAS EM ENSAIOS DE ESPÉCIES. 4. CASTANHA-DO-BRASIL (Bertholletia excelsa Η. B. K.), DEZ ANOS APÓS O PLANTIO [PDF]

open access: yesActa Amazonica, 1993
Três parcelas experimentais de Bertholletia excelsa (Castanha-do- Brasil) foram implantadas na Estação Experimental de Silvicultura Tropical do INPA/Manaus, em 1980, com o objetivo de obter dados sobre o crescimento da espécie com fins de produção de ...
Noeli Paulo FERNANDES   +1 more
doaj   +1 more source

The Kateretidae and Nitidulidae of the Maltese Archipelago (Coleoptera) [PDF]

open access: yes, 2008
In the present work, a total of 3 Kateretidae and 26 Nitidulidae are recorded from the Maltese Islands. Of these, 14 Nitidulidae (Epuraea luteola, Epuraea ocularis, Carpophilus bifenestratus, Carpophilus marginellus, Carpophilus quadrisignatus ...
Audisio, Paolo, Mifsud, David
core  

A new, conspicuously pigmented Pyrrhulina (Teleostei: Characiformes: Lebiasinidae) from the Río Tigre, Loreto, Peru

open access: yesJournal of Fish Biology, EarlyView.
Abstract A new species of Pyrrhulina is described based on morphological and molecular evidence. Pyrrhulina punctata is distinguished from all congeners by the presence of a series of 7 to 16 irregular blotches of dark pigmentation on the flanks, equally marked in juveniles and adult specimens, the presence of 26–28 lateral‐line scales, 17–21 maxillary
Andre Netto‐Ferreira   +4 more
wiley   +1 more source

ANÁLISE MULTICRITÉRIO DE PROJETOS EM MADEIRA EM NATAL/RN

open access: yesRevista Projetar, 2017
A madeira pode ser a melhor alternativa para fomentar a sustentabilidade no meio da construção civil, em detrimento aos materiais convencionais. Esse artigo avalia dois estudos de caso de habitação em madeira localizados em Natal/RN sob uma abordagem ...
Bárbara Laís Felipe de Oliveira   +2 more
doaj  

Análise da atividade florestal no Pará através da matriz de contabilidade social. [PDF]

open access: yes, 2011
As indústrias de base florestal e de madeira processada mecanicamente possuem relevância na economia brasileira, pois participaram na formação do Produto Interno Bruto (PIB) em 2006 com 4,7% e geraram 10,6 milhões de empregos (ABIMCI, 2007).
BARROS, P. L. C.   +3 more
core  

Reproductive behaviour of the ocean triggerfish Canthidermis sufflamen (Tetraodontiformes: Balistidae) in the shallow waters of the marine‐protected area of El Hierro Island (Canary Islands)

open access: yesJournal of Fish Biology, EarlyView.
Abstract The abundance of Canthidermis sufflamen has increased worldwide, including around the Canary Islands, due to global ocean warming. The reproductive behaviour of this species was studied within a marine‐protected area (MPA) and its adjacent areas off the island of El Hierro (Canary Islands).
Alberto Rodríguez‐Díaz   +3 more
wiley   +1 more source

The conservation impact of botanical drones: Documenting and collecting rare plants from vertical cliffs and other hard‐to‐reach areas

open access: yesEcological Solutions and Evidence
A high percentage of island floras are at risk of extinction and have been reduced to relic populations, often in remote hard‐to‐reach areas. Uncrewed aircraft systems (UAS aka drones) are now being utilized to assist in the survey and collection of rare
Ben Nyberg   +12 more
doaj   +1 more source

Avaliação das propriedades química, física e mecânica de painéis aglomerados produzidos com resíduo de madeira da Amazônia - Cumaru (Dipteryx Odorata) e resina poliuretana à base de óleo de mamona

open access: yesPolímeros, 2014
O beneficiamento de toras de madeira produz uma grande quantidade de resíduos, em torno de 60%, os quais em geral são aproveitados na geração de energia com a produção de cinzas e fuligem, ou dispostos em locais inadequados, gerando um problema ambiental
Mírian Dayse Lima Zau   +3 more
doaj   +1 more source

A New Tribe of the Ladybird Beetle Subfamily Microweiseinae (Coleoptera: Coccinellidae) Discovered on an Island in the North Atlantic Ocean

open access: yesInsects, 2020
Microweiseinae is a quite recently established subfamily within ladybird beetles (Coccinellidae). According to recent analyses of morphological and molecular data, it has been divided into three tribes.
Karol Szawaryn   +2 more
doaj   +1 more source

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