Results 81 to 90 of about 24,787 (224)

Divergent Impacts of Precipitation Regimes on Autumn Phenology in the Northern Hemisphere Mid‐ to High‐Latitudes

open access: yesGeophysical Research Letters, Volume 52, Issue 19, 16 October 2025.
Abstract Climate change has altered precipitation regimes and shifted the end of the vegetation growing season (end of the season [EOS]), with consequences for terrestrial carbon and water cycles. However, the impacts of precipitation regimes, that is, total precipitation (Ptotal) and precipitation frequency (Pfreq), on EOS remain unclear.
Yangjing Nie   +8 more
wiley   +1 more source

DESENVOLVIMENTO RADICULAR DE HÍBRIDOS DE MAMONA SUBMETIDAS À ADUBAÇÃO POTÁSSICA

open access: yesColloquium Agrariae, 2012
A deficiência de potássio no início do ciclo vegetativo afeta o equilíbrio nutricional comprometendo o adequando desenvolvimento das plantas. O objetivo deste trabalho foi avaliar o efeito do potássio (K) no desenvolvimento do sistema radicular e na ...
Hugo Alexandre Coelho   +3 more
doaj   +2 more sources

Monitoramento da dinâmica da vegetação do Pantanal utilizando a transformada de Wavelet em séries temporais de produtos MODIS. [PDF]

open access: yes, 2020
Embora seja um dos ecossistemas mais conservados do Brasil, o Pantanal está sujeito a problemas como o fogo, desmatamentos e alterações dos ciclos de cheia e seca.
ANTUNES, J. F. G.   +2 more
core  

Evaluation of the PowerScope Appliance Effects on the Dentoskeletal and Soft Tissue for the Treatment of Class II Malocclusions

open access: yesClinical and Experimental Dental Research, Volume 11, Issue 5, October 2025.
ABSTRACT Aim To evaluate and compare the dentoskeletal and soft tissue effects of the PowerScope and Twin Block appliances for treating Class II malocclusions. Materials and Methods This retrospective study analyzed pre‐ (T0) and posttreatment (T1) cephalograms of 14 patients treated with PowerScope (Group A) and 17 patients treated with Twin Block ...
Neda Babanouri   +2 more
wiley   +1 more source

Fitossociologia e estrutura diamétrica de um fragmento de Cerrado sensu stricto, Formoso do Araguaia, Tocantins

open access: yesRevista Verde de Agroecologia e Desenvolvimento Sustentável, 2018
O Cerrado Brasileiro é composto por diferentes fitofisionomias, onde observa-se vegetação campestre, savânica e florestal. Assim, objetivou-se realizar um levantamento fitossociológico para avaliar a estrutura diamétrica de um fragmento de Cerrado sensu ...
Rafaella da Costa Gama   +4 more
doaj   +1 more source

Mapeamento e caracterização da cobertura vegetal Bacia Hidrográfica do São Francisco. [PDF]

open access: yes, 2016
O presente artigo apresenta o mapeamento da cobertura vegetal e uso das terras, evidenciando a fitofisionomia das classes de ...
CUNHA, T. J. F.   +3 more
core  

Spatio‐Temporal Resolution of Microbial Functions and Taxa Associated With Cyanobacterial Harmful Algae Blooms Along a 500‐Km Aquatic Continuum in the Lake Erie Watershed

open access: yesEnvironmental Microbiology, Volume 27, Issue 10, October 2025.
The aquatic microbiome can influence cyanobacterial harmful algal blooms. Abundances of genes and transcripts for phosphorus acquisition, denitrification and nitrogen fixation were higher upstream, whereas in Lake Erie genes and transcripts for microcystin production were higher.
Sophie Crevecoeur   +9 more
wiley   +1 more source

Indicadores para avaliação do processo de expansão da pastagem no pantanal de Cáceres/MT

open access: yesGeografia (Londrina), 2018
Este trabalho tem como objetivo utilizar indicadores para avaliar o processo de expansão da pastagem no Pantanal de Cáceres-Mato Grosso, no período de 1999 a 2014.
Helibera Capistrano Rita Ramos de Aquino   +2 more
doaj   +1 more source

Aplikasi Citra Spot 7 untuk Estimasi Produksi Hijauan Rumput Pakan di Taman Nasional Baluran Jawa Timur (Kasus Padang Rumput Bekol) [PDF]

open access: yes, 2016
Savana Bekol merupakan padang rumput yang difungsikan sebagai padang penggembalaan yang terdapat di Taman Nasional Baluran. Hijauan rumput pakan perlu dihitung ketersediaannya sebagai pendugaan kecukupan pakan bagi satwa.
Anggoro, H. S. (Habib), S, S. H. (Sigit)
core  

Extração e exportação de nutrientes pelo híbrido de mamona Savana: I – Macronutrientes

open access: yesSemina: Ciências Agrárias, 2012
Low height castor bean hybrids and highly productive possibly need larger quantity of macronutients during its development cycle. However, in Brazil there is little information on extraction and exportation of macronutrients by low height castor bean hybrids, as on season as out-of-season growing.
Costa Crusciol, Carlos Alexandre   +3 more
openaire   +7 more sources

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