Results 41 to 50 of about 84,422 (271)

The coelurosaur theropods of the Romualdo formation, early Cretaceous (Aptian) of Brazil: Santanaraptor placidus meets Mirischia asymmetrica

open access: yesThe Anatomical Record, EarlyView.
Abstract The upper carbonate concretion levels of the Romualdo Formation (Aptian, Brazil) have yielded several theropod dinosaur remains, including spinosaurids and the coelurosaurs Santanaraptor placidus and Mirischia asymmetrica, the phylogenetic affinities of which are controversial.
Rafael Delcourt   +4 more
wiley   +1 more source

Entomofauna associada a reflorestamentos experimentais no município de Pau d'Arco, Pará. [PDF]

open access: yes, 2015
Este estudo objetivou verificar a ocorrência de insetos em reflorestamentos experimentais com paricá, Schizolobium parahyba var. amazonicum (Fabaceae); acácia, Racosperma mangium (Fabaceae) e teca, Tectona grandis (Lamiaceae), na região de Pau d?Arco, PA,
LUNZ, A. M.   +3 more
core  

A simple field based method for rapid wood density estimation for selected tree species in Western Kenya [PDF]

open access: yes, 2020
Wood density is an important variable for accurate quantification of woody biomass and carbon stocks. Conventional destructive methods for wood density estimation are resource intensive, prohibiting their use, limiting the application of approaches that ...
Jamnadass, Ramni H.   +4 more
core   +1 more source

An unusual titanosaur axis from the Upper Cretaceous of Brazil and its significance for sauropod anatomy and systematics

open access: yesThe Anatomical Record, EarlyView.
Abstract The Upper Cretaceous São José do Rio Preto Formation (Bauru Group, southeastern Brazil) has yielded a fragmentary but taxonomically diverse record of titanosaur sauropods, although elements from cervical series remain scarce. Here, we describe a nearly complete sauropod axis from the Vila Ventura Paleontological Area, representing an uncommon ...
Bruno A. Navarro   +7 more
wiley   +1 more source

Comparisons between two economically valuable forest species (Eucalyptus grandis and Pinus taeda) in relation to seed behaviour under controlled deterioration

open access: yesRevista Árvore, 2011
The objectives of this work were to analyze seed behaviour under controlled deterioration and estimate viability equations for forest species Eucalyptus grandis and Pinus taeda.
Jussara Bertho Fantinatti   +1 more
doaj   +1 more source

Effects of Phoracantha recurva Newman, 1840 (Coleoptera: Cerambycidae) attacks on the content and chemical composition of essential oils of Eucalyptus grandis leaves and its clone 977 and evaluation of their potential bioactivity against xylophagous organisms (fungi and insects) [PDF]

open access: yes, 2017
Clonal eucalyptus are highly valued in Morocco and in the Mediterranean basin for the production of industrial wood, but nothing is known about their ability to resist xylophagous plants.
Amusant, Nadine   +5 more
core  

\u3ci\u3eArchilestes Grandis\u3c/i\u3e in Wisconsin (Odonata: Lestidae) [PDF]

open access: yes, 2017
(excerpt) Archilestes grandis (Rambur) is the largest damselfly that occurs in America north of Mexico. Its distribution in the United States was reported by Muttkowski (1910) as Lower Sonoran, Washington to Baja California, and ...
Borkin, Susan Sullivan
core   +2 more sources

A review of the historic and present ecological role of aquatic and shoreline wood, from forest to deep sea

open access: yesBiological Reviews, EarlyView.
ABSTRACT The ecology of forests, their losses, and terrestrial wood decomposition dynamics have been intensively studied and reviewed. In the aquatic realm, reviews have concentrated on large wood (LW) in rivers and the transition from freshwater to marine environments in the Pacific Northwest of North America. However, a comprehensive global synthesis
Jon Dickson   +9 more
wiley   +1 more source

Türkiye, Karabucak’ta Yetişen Okaliptüs Grandis’in Öz Odun ve Diri Odununun Mekanik Özellikleri

open access: yesDüzce University Faculty of Forestry Journal of Forestry, 2013
Bu çalışmada, Türkiye-Karabucak’ta yetişen Okaliptüs grandis’in öz odun ve diri odununun bazı mekanik özellikleri belirlenmiştir. Eğilme direnci, elastikiyet modülü, dinamik eğilme direnci, liflere paralel ve liflere dik çekme direnci, basınç direnci ...
Bekir Cihad Bal, İbrahim Bektaş
doaj  

Recuperação de áreas contaminadas por pesticidas organoclorados na Cidade dos Meninos, município de Duque de Caxias, RJ Recovery of soils contaminated by organochlorine pesticides in Cidade dos Meninos, Duque de Caxias, RJ, Brazil

open access: yesRevista Árvore, 2004
O Serviço Nacional de Malária operacionalizou uma fábrica de pesticidas organoclorados utilizados em campanhas de saúde pública (HCH e DDT) entre 1950 e 1965, na Cidade dos Meninos, no município de Duque de Caxias, RJ, visando combater doenças rurais ...
Daniela Buosi, Jeanine Maria Felfili
doaj   +1 more source

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