Results 71 to 80 of about 888,182 (219)

Adubação nitrogenada em milho e capim-xaraés sob plantio direto e preparo convencional em sistema agrossilvipastoril. [PDF]

open access: yes, 2019
O objetivo deste trabalho foi avaliar o desempenho agronômico das culturas do milho e do capim-xaraés (Urochloa brizantha 'Xaraés') em consórcio, cultivadas em plantio direto e convencional, em sistema agrossilvipastoril, com a aplicação de diferentes ...
BRAVIN, M. P., OLIVEIRA, T. K. de
core   +1 more source

Assessing contributions of deterministic versus stochastic processes to local species assembly: A field experiment with annual plant‐dominated communities in gypsum systems

open access: yesJournal of Ecology, Volume 114, Issue 3, March 2026.
In this study, we experimentally show that stochasticity can play prominent roles in driving local species assembly in annual plant‐dominated communities of semiarid gypsum ecosystems. Drylands are traditionally viewed as restrictive environments that impose strong deterministic filtering effects, but neutral events can also contribute decisively to ...
Laura Ortiz   +3 more
wiley   +1 more source

Evaluación de cobertura y del nivel de información en la campaña de vacunación contra la fiebre amarilla, Cusco,Perú, 2005

open access: yesActa Médica Peruana, 2023
Introducción: la fiebre amarilla (FA) es enzootica en Cusco, siendo un serio problema social de salud pública. Para enfrentar el problema se elaboro el Plan Nacional de Prevención y Control de la FA, cuyo objetivo fue vacunar a toda la población del ...
Pablo F. Grajeda Ancca   +5 more
doaj  

Relação entre o IVDN e a estimativa de cobertura vegetal com fotos digitais processadas. [PDF]

open access: yes, 2013
O conhecimento da fração da superfície do solo coberta por vegetação verde é uma exigência para aplicação de diversos modelos entre eles àqueles que tentam avaliar o estágio de degradação das terras.
ACCIOLY, L. J. de O.   +5 more
core  

Efeitos do solo e clima numa vinha de uva de mesa com cultura de cobertura. Gestão da rega utilizando redes de sensores [PDF]

open access: yes, 2017
[ENG] TThe use of mulches in vineyards and orchards is a traditional agricultural practice used with the aim of saving moisture, reducing weed growth and improving organic matter content in the soil. In table grape vineyards trained to overhead system in
Ferrara, Giuseppe   +5 more
core   +2 more sources

Urbanization Intensity, Vegetation Cover and Plant Vigor Affects Stem Galls Occurrence and Abundance in a Widely Distributed Ruderal Tropical Plant

open access: yesBiotropica, Volume 58, Issue 2, March 2026.
In this study, we demonstrate that urbanization intensity reduces the abundance of stem galls on Turnera subulata, while increased vegetation cover and plant vigor promote higher occurrence and abundance. These findings highlight the importance of native vegetation in sustaining specialized insect‐plant interactions and provide evidence that plant ...
Luziene Seixas   +4 more
wiley   +1 more source

Land cover changes in the Eastern Mediterranean Ecosystem: The case of Haifa and Jerusalem Metropolitan areas [PDF]

open access: yes, 2019
Este documento examina los cambios en la cobertura terrestre comparando dos períodos de tiempo, 1881 y 2019. Para este propósito, comparamos la cobertura terrestre derivada del mapa histórico del Fondo de Exploración de Palestina con una cobertura ...
Sisay Abebe, Mulugeta
core   +1 more source

Patch and Landscape Predictors of Mammal Diversity and Their Trait‐Relationships in the Largest Atlantic Forest Island in Brazil

open access: yesBiotropica, Volume 58, Issue 2, March 2026.
Urbanization and habitat fragmentation reshape mammal communities on Santa Catarina Island, one of the largest Atlantic Forest islands in Brazil. Using camera traps across protected forest patches, we show that species richness declines with urban and unvegetated matrices, while abundance increases in smaller and more isolated fragments dominated by ...
Camila Rezende Ayroza   +6 more
wiley   +1 more source

Fitomassa de espécies vegetais sobre a biomassa radicular no melão. [PDF]

open access: yes, 2017
Nos ecossistemas agrícolas dos tabuleiros sertanejos do Nordeste brasileiro, onde os solos se caracterizam por apresentar baixa fertilidade, baixo poder de retenção de água e nutrientes, além da região apresentar altos índices de evaporação, é ...
GAVA, C. A. T.   +4 more
core  

Beyond Ecology: How Environmental and Social Landscapes Shape Tropical Forest Restoration in Southeast Brazil

open access: yesBiotropica, Volume 58, Issue 2, March 2026.
Restoration was more associated with environmental variables than socioeconomics. Active restoration was utilized in degraded areas and pasture abandonment favored natural regeneration. Successful tropical restoration is dependent on a complex interdependent mix of factors.
Érica Rodrigues da Silva   +3 more
wiley   +1 more source

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