Results 41 to 50 of about 44,447 (123)

Agronomic Performance and Water Use Indicators of Cactus Species Widely Cultivated in Semiarid Regions

open access: yesIrrigation and Drainage, Volume 74, Issue 5, Page 2156-2173, December 2025.
ABSTRACT This study aimed to evaluate the agronomic performance, crop evapotranspiration (ETc), crop coefficients (Kc, Kcb and Ke) and yield response factor (Ky) of three forage cactus clones—Orelha de Elefante Mexicana (OEM), Miúda (MIU) and IPA Sertânia (IPA)—grown in a semiarid environment.
George do Nascimento Araújo Júnior   +12 more
wiley   +1 more source

The genus Sapromyza (Insecta, Diptera) in Madeira. [PDF]

open access: yes, 2001
The genus Sapromyza in Madeira is revised and six new species are described: S. imitans n. sp., S. biscoitoi n. sp., S. mauli n. sp., S. laurisilvae n. sp., S. inconspicua n. sp. and S.
Báez, Marcos
core  

Nucleation and growth in two dimensions [PDF]

open access: yes, 2018
We consider a dynamical process on a graph $G$, in which vertices are infected (randomly) at a rate which depends on the number of their neighbours that are already infected.
Bollobás, Béla   +4 more
core   +2 more sources

Tectonic Framework of the Arenópolis and Anicuns‐Itaberaí Segments of the Goiás Magmatic Arc Based on 3D Magnetotelluric Inversion

open access: yesGeochemistry, Geophysics, Geosystems, Volume 26, Issue 12, December 2025.
Abstract The Goiás Magmatic Arc (GMA) is a Neoproterozoic juvenile terrain formed through oceanic‐oceanic and oceanic‐continental subduction. It comprises three main segments: Mara Rosa, Anicuns‐Itaberaí (GMAAI), and Arenópolis (GMAA), whose tectonic evolution and connectivity remain uncertain.
J. G. C. Inacio   +4 more
wiley   +1 more source

Morphophysiological and Productive Responses of Forage Cactus Clones to the Water and Nutrient Use in the Brazilian Semi‐Arid Region

open access: yesGrass and Forage Science, Volume 80, Issue 4, December 2025.
ABSTRACT Crops adapted to semi‐arid conditions enhance forage supply amid water scarcity. This study aimed to compare six forage cactus clones (Orelha de Elefante Mexicana [OEM, Opuntia stricta (Haw.) Haw.]; Orelha de Elefante Africana [OEA, Opuntia undulata Griffiths]; V19, Opuntia larreyi F.A.C.
João Pedro Alves de Souza Santos   +14 more
wiley   +1 more source

EXPANSÃO URBANA E APROPRIAÇÃO DO RELEVO EM SÃO LOURENÇO (MG): A BACIA DO CÓRREGO JARDIM

open access: yesCaminhos de Geografia, 2011
O presente trabalho tem por objetivo estudar a expansão urbana no município de São Lourenço (MG) em relação a parâmetros morfológicos e morfométricos do relevo a fim de verificar se o avanço da urbanização é condizente com os condicionantes ...
Roberto Marques Neto   +1 more
doaj  

Beetle Pollination in the Holoparasitic Lophophytum pyramidale (Balanophoraceae): A New Case of Brood‐Pollination Mutualism?

open access: yesJournal of Applied Entomology, Volume 149, Issue 10, Page 1542-1554, December 2025.
ABSTRACT Beetle pollination is considered an ancestral trait in angiosperms, retained in a few specialised families engaging in longstanding interactions with ancient groups of beetles. While beetles represent some of the earliest angiosperm pollinators, there is also increasing evidence that some beetle‐pollinated plants represent a derived condition.
Alexandre da Silva Medeiros   +7 more
wiley   +1 more source

Bract size affects resource availability and fruit set in a hummingbird‐pollinated plant with distyly polymorphism

open access: yesPlant Biology, Volume 27, Issue 7, Page 1478-1487, December 2025.
In Psychotria poeppigiana, larger bracts honestly signal greater nectar availability but have higher mortality, while smaller bracts produce more fruit, revealing a surprising trade‐off and hints of sexual role specialization in this distylous species. Abstract Plants can use non‐floral signals to advertise the presence of resources to pollinators. The
R. Trevizan   +4 more
wiley   +1 more source

Environmental and phytohormone modulation of organ‐specific specialized metabolite profiles in the dryland tree Erythrina velutina

open access: yesPlant Biology, Volume 27, Issue 7, Page 1326-1340, December 2025.
Erythrina velutina organ‐specific specialized metabolism is modulated by environmental stress and phytohormones to mitigate effects of the harsh semi‐arid habitat. Abstract Erythrina velutina is a tree that thrives in the shallow rocky soils of the dry and hot Caatinga, a unique Brazilian biome.
D. S. Chacon   +8 more
wiley   +1 more source

Potencial amenizador térmico de jardim vertical do tipo fachada verde indireta: estudos com diferentes espécies de trepadeiras

open access: yes, 2019
As fachadas verdes são variedades de jardins verticais em que a vegetação do tipo trepadeira cresce e se desenvolve em superfícies verticais e podem ser classificadas em diretas e indiretas. A primeira cresce diretamente na parede da edificação, enquanto a segunda necessita de estruturas de suporte fixadas ou afastadas da mesma.
openaire   +2 more sources

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