Results 51 to 60 of about 71,222 (245)

INCLINAÇÃO DO TERRENO E TIPO DE MATERIAL COMBUSTÍVEL AFETAM A VELOCIDADE DE PROPAGAÇÃO DO FOGO EM CONDIÇÕES EXPERIMENTAIS

open access: yesAmbiente, 2020
O emprego do fogo como uma ferramenta de manejo no uso da terra é uma prática nociva aos ecossistemas da Amazônia. Apesar da sua importância, poucos estudos vêm sendo realizados na região para avaliar o comportamento do fogo sob condições ambientais.
Paulo Eduardo Barni   +11 more
doaj   +1 more source

Relato de experiência sobre o curso “O biocombustível da biodiversidade” ligado ao projeto “Os novos talentos do Ensino Médio de Boa Vista-RR”

open access: yesRCT: Revista de Ciência e Tecnologia, 2016
Este trabalho apresenta o relato de experiência do curso “O biocombustível da biodiversidade”. Foram selecionados 20 alunos da Escola Estadual Ana Libória, com o objetivo de apresentar o potencial energético da biodiversidade que os cerca.
Maria Clarisnete de Oliveira Moura   +7 more
doaj   +1 more source

Parent's perception of children's participation in School Paralympics Games in the state of Roraima/Brazil

open access: yes, 2021
The objective of this study is to describe the parents' perception regarding the participation of their children with disabilities who represented the state of Roraima in the School Paralympics games.
A. Moura   +3 more
semanticscholar   +1 more source

Podoxymys roraimae Anthony 1929

open access: yes, 2017
542. Roraima Mouse Podoxymys roraimae French: Akodon du Roraima / German: Roraima-Maus / Spanish: Raton de Roraima Other common names: Roraima Akodont Taxonomy. Podoxymys roraimae Anthony, 1929, “summit of Mt. Roraima, British Guiana [= Guyana], altitude 8600 feet [= 2621 m].” Podoxymys roraimaeis the type species of the genus. Monotypic. Distribution.
Don E. Wilson   +2 more
  +4 more sources

Hepaticae of Cerro Venamo, Venezuela, collected by J. Steyermark [PDF]

open access: yes, 2002
A revision of herbarium material (NY) from Cerro Venamo, Venezuela (5°59’ N, 61°23’ W, 1890 m) yielded 77 hepatic species in 44 genera and 13 families. Most species have a neotropical distribution (75,32%), 6,49%, are pantropical and 9,09% are reported ...
Borges, Anna Luiza Ilkiu   +1 more
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Potential of Beauveria bassiana in the control of Euschistus crenator (Hemiptera: Pentatomidae) and selectivity to the parasitoid Telenomus podisi (Hymenoptera: Scelionidae)

open access: yesPest Management Science, EarlyView.
Entomopathogenic fungi effectively suppressed the emerging soybean pest Euschistus crenator, with isolates LCMAP106, UFSM‐01 and a commercial bioinsecticide achieving the highest mortality. These agents did not reduce parasitism or survival of the egg parasitoid Telenomus podisi, highlighting their potential for integration into environmentally ...
Paulo Henrique Martins da Silva   +2 more
wiley   +1 more source

IMPACT OF FOREST CONVERSION TO PASTURE ON SOIL ENZYMATIC ACTIVITY IN THE NORTHERN AMAZON

open access: yesRevista de Agricultura Neotropical
The conversion of forests to pastures in the Amazon results in deforestation and the loss of environmental services. This practice affects biogeochemical cycles and impairs soil enzyme activity, which is essential for maintaining soil quality.
Sandra Cátia Pereira Uchôa   +5 more
doaj   +1 more source

Wall‐to‐wall Amazon forest height mapping with Planet NICFI, Aerial LiDAR, and a U‐Net regression model

open access: yesRemote Sensing in Ecology and Conservation, EarlyView.
Tree canopy height is a key indicator of forest biomass and structure, yet accurate mapping across the Amazon remains challenging. Here, we generated a canopy height map of the Amazon forest at ~4.8 m resolution using Planet NICFI imagery and a deep learning U‐Net model trained with airborne LiDAR data.
Fabien H. Wagner   +21 more
wiley   +1 more source

Adubação foliar na suplementação nutricional de cultivares de abacaxizeiro micropropagadas

open access: yesInvestigación Agraria, 2020
Embora já se disponha de cultivares de abacaxizeiro resistentes à fusariose, a produção brasileira é baseada na cultivar Pérola, susceptível à fusariose.
Deyse Cristina Oliveira da Silva   +7 more
doaj   +1 more source

SISTEMA de produção: arroz, milho, mandioca, caupi e banana. [PDF]

open access: yes, 2011
Caracterização do produto e da região. Sistema de produção.bitstream/item/49783/1/SID-DOCUMENTOS-375-DE-PRODUCAO-ARROZ-MILHO-MANDIOCA-CAUPI-E-BANANA.pdfInstituições participantes: EMBRAPA, ASTER-RORAIMA, SAGRI-RORAIMA, CPATU, BR, Produtores ...

core  

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