Results 61 to 70 of about 1,394 (194)

Esporófito de Huperzia mandiocana (Raddi) Trevisan (Lycopodiaceae): morfoanatomia e ontogênese [PDF]

open access: yes, 2012
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Biológicas, Programa de Pos-Graduação em Biologia Vegetal, Florianópolis, 2009.Lycopodiaceae inclui quatro gêneros, Huperzia distingüe-se dos outros três gêneros por ...
Kessler, Eduardo
core  

Thermotolerance in Miniature: Heat Resilience of Moss Propagules From Brazilian Ferruginous Rocky Outcrops

open access: yesAustral Ecology, Volume 50, Issue 9, September 2025.
ABSTRACT Harsh environments present substantial challenges to most organisms, making survival and thriving difficult. Such conditions often include extreme temperatures, intense radiation, strong winds, and very low or high humidity levels, resulting in a limited availability of resources like water and nutrients.
Guilherme Freitas Oliveira   +3 more
wiley   +1 more source

La “técnica de clarificación 5-5-5”, un método natural para el tratamiento de material vegetal

open access: yesBoletín de la Sociedad Argentina de Botánica, 2018
El objetivo de esta publicación es dar a conocer, como alternativa, una técnica de clarificación, sencilla, económica, sin agresividad para el material vegetal y que puede ser empleada para la investigación de diferentes órganos y tejidos.
Ana M. Arambarri
doaj   +1 more source

Terroir and rootstock effects on leaf shape in California Central Valley vineyards

open access: yesPLANTS, PEOPLE, PLANET, Volume 7, Issue 4, Page 1110-1122, July 2025.
The innumerable effects of terroir—including climate, soil, microbial environment, biotic interactions, and cultivation practice—collectively alter plant performance and production. A more direct agricultural intervention is grafting, in which genetically distinct shoot and root genotypes are surgically combined to create a chimera that alters shoot ...
Zoë Migicovsky   +10 more
wiley   +1 more source

Desenvolvimento estrutural associado à biologia reprodutiva de Campomanesia xanthocarpa O. Berg (Myrtaceae) [PDF]

open access: yes, 2015
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro de Ciências Agrárias, Programa de Pós-Graduação em Recursos Genéticos Vegetais, Florianópolis, 2013.Os recursos genéticos de um país, com rica diversidade biológica como o Brasil, possuem ...
Santos, Cristina Magalhães Ribas dos
core  

Temporal Dynamics of a Neotropical Plant‐Hummingbird Interaction Network

open access: yesAustral Ecology, Volume 50, Issue 7, July 2025.
Using an unprecedented sampling effort we evaluated network structure and dynamics of plant‐hummingbird interactions over 1 year in the Brazilian hyperdiverse Campos Rupestres. Network structure presented remarkable temporal change, showing that tropical communities can also be strongly influenced by climate.
Steffani N. P. Queiroz   +7 more
wiley   +1 more source

Anatomía vegetal en San Alberto Magno

open access: yesCollectanea Botanica, 1987
Desde los ya lejanos, y meritísimos, trabajos de T. A. Sprague sobre el significado de los términos botánicos empleados por Plinio, Isidoro, Alberto y Ruellius, nadie había reemprendido tan necesaria tarea para la historia de la botánica.
José María Valderas
doaj   +1 more source

Sinopse taxonômica de Bulbostylis kunth (Cyperaceae) para a região sul do Brasil [PDF]

open access: yes, 2013
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Biológicas, Programa de Pós-Graduação em Biologia de Fungos, Algas e Plantas, Florianópolis, 2013.Sinopse de Bulbostylis Kunth (Cyperaceae) para a Região Sul do Brasil -
Ardissone, Rodrigo Endres
core  

MATERIAL DIDÁTICO: ANATOMIA E MORFOLOGIA DE DICOTILEDÔNEA SOJA [PDF]

open access: yes, 2020
O conhecimento sobre morfologia e anatomia de dicotiledônea é imprescindível para os Cursos de Graduação ligados ao cultivo, processamento e consumo de alimentos, do Campus Itaqui/UNIPAMPA.
Cadore, Luana   +3 more
core  

Grazing Modulates the Multiscale Spatial Structure of Dryland Vegetation

open access: yesGlobal Change Biology, Volume 31, Issue 7, July 2025.
We studied how grazing pressure affects plant spatial patterns in drylands by using satellite images, field plant size and abundance data, and a mathematical model. We found that increasing grazing pressure has opposite effects on vegetation spatial structure to those of aridity, which might be explained by the fact that grazing decreases plant size ...
Benoît Pichon   +19 more
wiley   +1 more source

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