Results 31 to 40 of about 44,447 (123)

Management Strategies and Agricultural Calendars for Forage Production in Semi‐Arid Brazil Using AquaCrop

open access: yesIrrigation and Drainage, Volume 75, Issue 1, Page 411-424, February 2026.
ABSTRACT Forage production in semi‐arid regions of Brazil is limited by water deficit. This study aimed to identify the most adapted and efficient production systems and define their agricultural calendars for the semi‐arid region of Brazil. Twenty‐nine production arrangements that included different cropping conditions, plant density, plant cycles ...
Antonio Gebson Pinheiro   +15 more
wiley   +1 more source

Moduli spaces of rank 2 instanton sheaves on the projective space

open access: yes, 2017
We study the irreducible components of the moduli space of instanton sheaves on $\mathbb{P}^3$, that is rank 2 torsion free sheaves $E$ with $c_1(E)=c_3(E)=0$ satisfying $h^1(E(-2))=h^2(E(-2))=0$.
Jardim, Marcos   +2 more
core   +1 more source

Genetic origins and climate‐induced erosion in economically important Asian walnuts

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract The global climate is undergoing unprecedented changes, posing significant threats to species persistence. However, the spatiotemporal impacts on genetic diversity remain poorly understood, hindering species conservation and management. Walnuts, generally referred to as Juglans regia and J. sigillata, are economically vital in Asia, but little
Peng‐Zhen Fan   +17 more
wiley   +1 more source

From Rainforests to Open‐Vegetation: The Biogeographic History of Chamaecrista (Leguminosae) in the Neotropics

open access: yesJournal of Biogeography, Volume 53, Issue 1, January 2026.
ABSTRACT Aim We reconstructed the biogeographical history of a species‐rich legume genus by testing alternative hypotheses on the origin and expansion of neotropical open‐vegetation areas, with particular emphasis on the campos rupestres. Location Neotropics.
Juliana Gastaldello Rando   +9 more
wiley   +1 more source

U–Pb and Sm–Nd geochronology of amphibolites from the Curaçá Belt, São Francisco Craton, Brazil : tectonic implications [PDF]

open access: yes, 2007
The Curaçá terrane is part of the Itabuna–Salvador–Curaçá (I–S–C) Paleoproterozoic orogen in the São Francisco craton, northeastern Brazil, and comprises supracrustal rocks, gneisses of their probable basement, amphibolites, and mafic-ultramafic Cu ...
Dantas, Elton Luiz   +4 more
core   +1 more source

Ontogeny of Diet and Behavior of a Wild, Critically Endangered Lemur (Indri indri)

open access: yesAmerican Journal of Primatology, Volume 87, Issue 12, December 2025.
(A) An infant indri (50 days of age) carried by its mother. (B) Effect of age (in days) on the proportion of feeding sessions in which mothers and offspring consumed the same plant. Shaded areas indicate confidence intervals. The gray area represents 95% confidence interval. ABSTRACT The early developmental period plays a key role in primate behavioral
Giada Brunod   +9 more
wiley   +1 more source

À descoberta de padrões : Rosáceas em Calçada da Ilha Terceira [PDF]

open access: yes, 2016
Prosseguimos a nossa viagem de descoberta de padrões nas calçadas dos Açores. Os padrões que encontramos no dia a dia podem ser classificados de acordo com as simetrias que apresentam.
Teixeira, Ricardo Emanuel Cunha
core  

Políticas públicas e espaço urbano desigual: favela Jardim Maravilha (SP) [PDF]

open access: yes, 2009
Este trabalho tem como objetivo apresentar parte dos estudos que vêm sendo desenvolvidos sobre as intervenções das políticas públicas municipais nas periferias da cidade de São Paulo.
SOUZA, Mônica Virginia de
core   +4 more sources

Traditional Removal Strategies Mitigate Shrub Encroachment Driven by Canopy Competition on the Tibetan Plateau

open access: yesEcology and Evolution, Volume 15, Issue 12, December 2025.
Rationale of Tibetan traditional ecological knowledge in mitigating shrub encroachment of alpine grasslands. ABSTRACT Alpine grasslands of the Tibetan Plateau rank among Earth's ecologically critical yet vulnerable ecosystems. These ecosystems sustain pastoral livelihoods and preserve nomadic cultural traditions.
Jianping Yang   +5 more
wiley   +1 more source

Estratificação vertical de insetos do Jardim Botânico da Universidade Federal de Juiz de Fora, Minas Gerais, Brasil

open access: yesActa Biológica Catarinense
Nas regiões tropicais, estima-se que a fauna de artrópodes no dossel seja pelo menos duas vezes mais rica do que no solo; no entanto a distribuição dos insetos em relação ao dossel permanece quase desconhecida em grandes áreas contínuas de floresta.
null Paulo Vitor Assunção Silva   +2 more
openaire   +1 more source

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