Results 41 to 50 of about 228,990 (184)

Contribuição para o conhecimento dos gêneros Caperonia St. Hil., stigmaphyllon A. Juss. e Vochysia Juss [PDF]

open access: yes, 1978
Três espécies novas são descritas, pertencentes aos gêneros Caperonia St. Hil., Stigmaphyllon e Vochysia Juss. É estudada a morfologia da parte vegetativa aérea, incluindo-se a anatomia foliar, a inflorescência, flor, grão de pólen, fruto e ...
Alves, José Luiz Hamburgo   +1 more
core  

Novas espécies de Callia Audinet-Serville da América do Sul (Cerambycidae, Lamiinae, Calliini) [PDF]

open access: yes, 2010
Espécies novas descritas de Callia procedentes da Venezuela: C. bordoni sp. nov. (Zulia); C. apyra sp. nov. e C. pallida sp. nov., ambas de Mérida; C. terminata (Falcón), C. variabilis (Táchira, Mérida); do Brazil: C. catuaba (Minas Gerais); C.
GALILEO, Maria Helena M.   +2 more
core   +3 more sources

An arbuscular mycorrhiza from the 407‐million‐year‐old Windyfield Chert identified through advanced fluorescence and Raman imaging

open access: yesNew Phytologist, Volume 249, Issue 1, Page 448-459, January 2026.
Summary Mycorrhizal associations between fungi and plants are a fundamental aspect of terrestrial ecosystems. Mycorrhizas occur in c. 85% of extant plants, yet their geological record remains sparse. Rare fossil evidence from early terrestrial environments offers crucial insights into these ancient symbioses, but visualizing fossil fungi at the ...
Christine Strullu‐Derrien   +7 more
wiley   +1 more source

Phylogenomics and biogeography of the cleptoparasitic bee genus Triepeolus Robertson (Hymenoptera: Apidae), with a revised subgeneric classification of Triepeolus and its sister genus, Epeolus Latreille Filogenómica y biogeografía del género de abejas cleptoparásitas Triepeolus Robertson (Hymenoptera: Apidae), con una clasificación subgenérica revisada para Triepeolus y su género hermano, Epeolus Latreille

open access: yesSystematic Entomology, Volume 51, Issue 1, January‐March 2026.
A subgeneric classification is proposed for Triepeolus—the second‐largest genus of cleptoparasitic apid bees in the world—and its sister genus Epeolus, with support from a newly presented dated phylogeny. Phylogenomic analysis based on ultraconserved elements revealed strong support for the monophyly of Triepeolus, which diverged from Epeolus sometime ...
Thomas M. Onuferko   +2 more
wiley   +1 more source

Análise da dinâmica de crescimento em espécies florestais por grupo ecológico na Flona do Tapajós. [PDF]

open access: yes, 2011
Os trabalhos relacionados à composição florística e sua respectiva dinâmica na floresta atualmente despertam o interesse de várias áreas da pesquisa por sugerirem novas espécies visando a melhor sustentabilidade do sistema.
GOUVEIA, D. M.   +3 more
core  

Algumas espécies novas da Bolívia, e referência a três espécies de Haemagogus

open access: yesMemorias do Instituto Oswaldo Cruz, 1943
No estudo do material da Bolívia, cinco novas espécies são descritas: Taeniorhynchus (Rhynchotaenia) nitens [feminino], Psorophora (Janthinosoma) circumflava [feminino], Psorophora (Janthinosoma) melanota [masculino], Psorophora (Grabhamia) dimidiata ...
N. L. Cerqueira
doaj   +1 more source

Recursos genéticos de maracujazeiro: produtividade e qualidade de frutos. [PDF]

open access: yes, 2011
Os recursos genéticos são a base da variabilidade natural de qualquer espécie, constituindo-se em fontes de genes para o desenvolvimento de novas variedades.
CAVALCANTE, T. Q.   +7 more
core  

Plant functional traits shape the provision of ecosystem services to Indigenous communities in western Amazonia

open access: yesPeople and Nature, Volume 7, Issue 12, Page 3313-3329, December 2025.
Abstract Context. Exploring how Indigenous People interact with plants through their functional traits allows us to understand the ecological bases of plant selection. Functional traits can help explain why certain plants are consistently chosen for specific purposes across diverse cultural contexts.
Julia G. de Aledo   +16 more
wiley   +1 more source

New species of Desmiphorini (Coleoptera, Cerambycidae, Lamiinae) from Costa Rica and Ecuador [PDF]

open access: yes, 2009
Novas espécies são descritas: Eupogonius lateralis sp. nov., Estola nigrodorsalis sp. nov., Pseudestoloides rubiginosa sp. nov de Heredia (Costa Rica); Pseudestoloides affinis sp. nov.
GALILEO, Maria Helena M.   +1 more
core   +3 more sources

Predictions of southern migration timing in coastal sharks under future ocean warming

open access: yesConservation Biology, Volume 39, Issue 6, December 2025.
Abstract Projected redistribution of marine species due to ocean warming may undermine current conservation efforts. Yet, there have been few studies on how ocean warming may alter migration timing. Across 5 years of acoustic telemetry data (2018–2022), we determined environmental drivers of southward migration timing for 6 migratory shark species from
Maria H. Manz   +16 more
wiley   +1 more source

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