Results 41 to 50 of about 259 (144)

Fungal community dissimilarity predicts plant–soil feedback strength in a lowland tropical forest

open access: yesEcology, Volume 105, Issue 1, January 2024.
Abstract Soil microbes impact plant community structure and diversity through plant–soil feedbacks. However, linking the relative abundance of plant pathogens and mutualists to differential plant recruitment remains challenging. Here, we tested for microbial mediation of pairwise feedback using a reciprocal transplant experiment in a lowland tropical ...
Camille S. Delavaux   +9 more
wiley   +1 more source

Assessment of biochemical and physiological tolerance mechanism of the multipurpose paradise tree (Simarouba amara Aubl.) under zinc and copper stress

open access: yesJournal of Applied and Natural Science, 2022
Simarouba amara Aubl., commonly known as paradise tree, is a multipurpose, evergreen, poly-gamodioecious, and oil yielding tree. The plant is famous for its seeds containing 55-65% oil, a potent source of biodiesel production and is being utilized in cosmetics, pharmaceuticals, and other industries.
Jatin Kumar   +3 more
openaire   +1 more source

The isolation and structure of 13,18-dehydroglaucarubinone, a new antineoplastic quassinoid fromSimarouba amara

open access: yesExperientia, 1978
An investigation of the Guyana plant Simarouba amara Aubl. (Simaroubaceae) for antineoplastic quassinoids led to isolation and structural determination of the new quassinoids 2'-acetylglaucarubine (1a) and 13,18-dehydroglaucarubinone (2). The previously known 2'-acetylglaucarubinone (3a) and glaucarubinone (3b) were also obtained.
Polonsky, J.   +3 more
openaire   +3 more sources

Spatial genetic structure of Simarouba amara Aubl. (Simaroubaceae), a dioecious, animal-dispersed Neotropical tree, on Barro Colorado Island, Panama [PDF]

open access: yesHeredity, 2005
Simarouba amara (Simaroubaceae) is a vertebrate-dispersed, insect-pollinated Neotropical tree found in lowland moist forest from upper Mesoamerica to the Amazon basin. We assessed the spatial genetic structure of S. amara within the 50-ha Forest Dynamics Plot on Barro Colorado Island in the Republic of Panama.
Hardesty, B.D.   +4 more
openaire   +4 more sources

Efecto de la desinfección, el desarrollo foliar y las fitohormonas en la inducción de callos de Simarouba amara Aubl.

open access: yesCiencia y Tecnología Agropecuaria
Disinfection and callus induction in forest species is essential to improve genetic production. Although multiple methods exist, their application in forest plants requires further research.
Jorge Arturo Mori-Vásquez   +7 more
doaj   +1 more source

Modelos de crescimento não linear para espécies de árvores usadas na restauração florestal no Arco do Desmatamento da Amazônia brasileira

open access: yesPesquisa Florestal Brasileira, 2022
A grande quantidade de áreas degradadas e o potencial produtivo das reservas legais no Brasil tornam a restauração uma demanda ambiental e oportunidade comercial.
Marcela de Castro Nunes Santos Terra   +7 more
doaj   +1 more source

RESISTÊNCIA AO INTEMPERISMO ARTIFICIAL DE QUATRO MADEIRAS TROPICAIS: O EFEITO DOS EXTRATIVOS

open access: yesCiência Florestal, 2009
The tropical woods Apuleia leiocarpa, Couratari stellata, Mezilaurus itauba and Simarouba amara were selected to examine the effect of the presence of the extractives in the color variation and in the photodecomposition process of their surfaces. Samples
Cynara Caroline Kern Barreto   +1 more
doaj  

Critérios normativos para dimensionamento de ligações por parafusos passantes: avaliação experimental de protótipos

open access: yesRevista Principia, 2021
A revisão da norma brasileira norma NBR 7190 (ABNT, 1997) está em fase final e foram feitas alterações significativas nos critérios de dimensionamento de ligações.
Antonio Alves Dias   +2 more
doaj   +1 more source

Sobrevivência de espécies arbóreas plantadas em clareiras causadas pela colheita de madeira em uma floresta de terra firme no município de Paragominas na Amazônia brasileira Survival of seedlings planted in gaps after harvesting in a terra firme rain forest in Paragominas region in the Brazilian Amazonia

open access: yesActa Amazonica, 2010
Analisou-se a sobrevivência de mudas plantadas em 400 clareiras causadas por exploração florestal de impacto reduzido, em floresta de terra firme na Amazônia Oriental.
Jaqueline Macêdo Gomes   +6 more
doaj   +1 more source

Aproveitamento de resíduos madeireiros para o cultivo do cogumelo comestível Lentinus strigosus de ocorrência na Amazônia Use of wood residues for the cultivation of edible mushroom Lentinus strigosus in the Amazon

open access: yesActa Amazonica, 2011
Este trabalho teve como objetivo a utilização de resíduos madeireiros do estado do Amazonas para o cultivo de Lentinus strigosus. de ocorrência na região.
Ceci Sales-Campos   +1 more
doaj   +1 more source

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