Results 31 to 40 of about 1,394 (194)

Análise dos conteúdos de Botânica nas provas da Olimpíada Brasileira de Biologia no período de 2018-2023

open access: yesRevista da SBEnBIO
Este trabalho teve como objetivo analisar os conteúdos de Botânica da Olimpíada Brasileira de Biologia (OBB) das provas aplicadas no período 2018-2023.
Mário Jeová dos Santos   +1 more
doaj   +1 more source

Desenvolvimento Vegetativo e morfologia radicular de citrange carrizo afetado por ácido indolbutírico e micorrizas arbusculares Vegetative development and root morphology of carrizo citrange affected by indolebutyric acid and arbuscular mycorrhizal fungi

open access: yesCiência Rural, 2000
Este estudo foi realizado na localidade de Alcanar (Tarragona, Espanha) e objetivou avaliar o efeito de cinco concentrações do ácido indolbutírico (AIB) (0,0; 0,5; 1,0; 1,5; 2,0 g/L) e da inoculação com micorrizas arbusculares (MA) (Glomus intraradices Schenck & Smith) sobre o desenvolvimento vegetativo, conteúdo foliar de P e K e morfologia radicular ...
Paulo Vitor Dutra de Souza   +2 more
openaire   +2 more sources

Fluctuating asymmetry in spider‐hunting wasps as a possible indicator of stress in Brazilian Atlantic Forest landscapes Assimetria flutuante em vespas caçadoras de aranhas como possível indicador de estresse em paisagens da Mata Atlântica brasileira

open access: yesEcological Entomology, Volume 51, Issue 3, Page 558-569, June 2026.
Agricultural cover was positively associated with fluctuating asymmetry in Trypoxylon opacum, suggesting a possible increase in developmental instability in intensively managed landscapes. Wing size was positively related to forest cover and negatively related to agricultural cover, indicating that forested landscapes may promote larger body size ...
Luana Vieira Carlin dos Santos   +3 more
wiley   +1 more source

Morfologia Vegetal em Tupi-Guarani [PDF]

open access: yes, 2013
Nomear partes de plantas é tarefa recorrente e atemporal em toda e qualquer cultura humana (GONÇALVES; LORENZI, 2007). No entanto, a terminologia empregada para tal tarefa tem sido historicamente dominada pelo grego e latim, línguas ainda amplamente ...
Zerbetto de Assumpção, Muriel
core   +1 more source

Temporal Changes in Vertebral Morphology of the Free‐Ranging Rhesus Macaques From Cayo Santiago, Puerto Rico Cambios Temporales en la Morfología Vertebral de Macacos Rhesus No Enjaulados de Cayo Santiago, Puerto Rico

open access: yesAmerican Journal of Biological Anthropology, Volume 189, Issue 4, April 2026.
ABSTRACT Objectives The objective of this study is to assess temporal change in vertebral size and shape in macaques born on Cayo Santiago from 1951 to 2002 in order to clarify patterns of temporal change identified in the cranium, appendicular skeleton, and body mass.
Catalina I. Villamil   +2 more
wiley   +1 more source

Morfoanatomia foliar de espécies de Brunfelsia L. do Sul do Brasil [PDF]

open access: yes, 2012
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Biológicas, Programa de Pos-Graduação em Biologia Vegetal, Florianópolis, 2010O gênero Brunfelsia apresenta caracteres peculiares que permitem diferenciá-lo facilmente de
Tavares, Rafaella de Paula
core  

Are sun- and shade-type anatomy required for the acclimation of Neoregelia cruenta?

open access: yesAnais da Academia Brasileira de Ciências, 2013
Sun and shade plants are often discriminated by a number of sun- and shade-type anatomies. Nonetheless, we propose that among tank-bromeliads, changes in rosette architecture satisfy the requirements for coping with contrasting light levels.
FERNANDA REINERT   +3 more
doaj   +1 more source

From maps to mandates: Multitemporal vegetation cover analysis as a tool to evaluate environmental judicial decisions

open access: yesPeople and Nature, Volume 8, Issue 4, Page 886-903, April 2026.
Abstract This study examines the use of multitemporal vegetation cover analysis as a tool to assess the ecological effectiveness of judicial decisions that recognize the rights of nature, using Colombia's 2016 T‐622 decision on the Atrato River as a case study.
Juan Camilo Ríos‐Orjuela   +4 more
wiley   +1 more source

Morfología vegetal neotropical

open access: yesRevista de Biología Tropical, 2002
Se hace un análisis de la morfología de las plantas y de las fuentes que son importantes para hacer interpretaciones morfológicas, asimismo se analizan los trabajos publicados en este campo en la Revista de Biología Tropical desde su fundación, y su ...
Blanca Pérez-García, Aniceto Mendoza
doaj  

Secrets within stems: The cryptic Apodanthes caseariae (Apodanthaceae), a rare neotropical holoendoparasite

open access: yesPLANTS, PEOPLE, PLANET, Volume 8, Issue 2, Page 385-400, March 2026.
Holoendoparasites are extremely rare plants that live entirely hidden inside their hosts, with only flowers and fruits visible. We studied Apodanthes caseariae, found in central and South America, parasitizing Casearia sylvestris. Little is known about its life cycle.
Jessica A. Ramírez‐Ramírez   +4 more
wiley   +1 more source

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