Results 51 to 60 of about 4,534 (215)

Beyond species means – the intraspecific contribution to global wood density variation

open access: yesNew Phytologist, Volume 249, Issue 6, Page 2630-2651, March 2026.
Summary Wood density is central for estimating vegetation carbon storage and a plant functional trait of great ecological and evolutionary importance. However, the global extent of wood density variation is unclear, especially at the intraspecific level. We assembled the most comprehensive wood density collection to date, including 109 626 records from
Fabian Jörg Fischer   +105 more
wiley   +1 more source

Metodología de medición de la huella de carbono para edificaciones en Costa Rica y su aplicación en el módulo habitacional Trópika

open access: yesTecnología en Marcha, 2016
Se analizaron metodologías internacionales de medición de huella de carbono para productos, con el fin de identificar la que mejor se ajusta al sector de la construcción costarricense.
Silvia Solano-Quesada   +1 more
doaj   +1 more source

O lado saudável da carne vermelha. [PDF]

open access: yes, 2013
bitstream/item/89902/1/Proci-07.00260 ...
COLNAGO, L. A., FORATO, L. A.
core  

Enabling conditions for conservation on Indigenous and community lands

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract Despite increasing evidence and general acceptance in global environmental policy of the significant role of Indigenous Peoples and local communities (IP&LC) in biodiversity conservation and climate change mitigation, an implementation gap remains between global policy and how conservation plays out on the ground.
Stephanie Brittain   +3 more
wiley   +1 more source

Drying suppresses fine root production to 1 m depths and alters root traits in four distinct tropical forests

open access: yesNew Phytologist, Volume 249, Issue 4, Page 1992-2009, February 2026.
Summary Drying and drought in tropical forests, which have some of the highest net primary productivity on Earth, are likely to alter root dynamics, ecosystem function, and carbon (C) storage. We used a chronic drying experiment in four lowland Panamanian forests to investigate whether soil drying shifts tropical forest root production from surface to ...
Amanda L. Cordeiro   +7 more
wiley   +1 more source

Validación del test del aliento con carbono 13 para el diagnóstico de Helicobacter pylori

open access: yes, 2020
Introducción: La infección por H. pylori tiene alta prevalencia a nivel mundial y predispone al desarrollo de múltiples enfermedades, de ahí su importancia para una detección precoz. El Test del aliento con Carbono 13 es un método no invasivo propuesto para el diagnóstico inicial en menores de 45 años sin factores de riesgo y para seguimiento del ...
Bernui Vigo, Grazia María   +2 more
openaire   +1 more source

CORPORATE FUTURES, ENERGY TRANSITION, AND NATURAL PROSTHETICS IN COLOMBIA'S CESAR MINING CORRIDOR

open access: yesCultural Anthropology, Volume 41, Issue 1, Page 134-162, February 2026.
ABSTRACT This essay examines the socioecological transformations of mining and post‐mining landscapes in the mining corridor of the Cesar Department, northern Colombia. When an open pit mine is about to close or has recently closed, companies promote post‐mining strategies framed as ecosystem restoration and social compensation.
JUAN PABLO VERA LUGO
wiley   +1 more source

Efeito da glutamina sobre o turnover do carbono (d13C) de músculos e vísceras de leitões desmamados: glutamina e turnover de carbono tecidual = Effect of glutamine on carbon (d13C) turnover in the muscles and viscera of weaned piglets

open access: yesActa Scientiarum: Animal Sciences, 2008
O estudo foi conduzido para verificar a influência da glutamina no turnover do carbono em tecidos de leitões. Nove porcas foram cobertas e receberam dietas compostas predominantemente por grãos de plantas do ciclo fotossintético C4 durante gestação e ...
Fabiana Ribeiro Caldara   +5 more
doaj  

Nível de energia ultra-sônica para estudo da estabilidade de agregados de um Latossolo sob diferentes usos [PDF]

open access: yesPesquisa Agropecuária Brasileira, 2002
O objetivo deste trabalho foi identificar o nível de energia ultra-sônica mais adequado para se detectar diferenças na estabilidade de agregados influenciada pelo uso do solo. Coletaram-se três repetições de amostras de agregados
Marcos Aurélio Carolino de Sá   +2 more
doaj   +1 more source

Avaliação da atividade inseticida de óleos essenciais de plantas da flora nordestina contra a mosca-branca (Bemisia argentifolii). [PDF]

open access: yes, 2011
E conhecido que muitas plantas encerram micromoleculas oriundas do metabolismo secundario, tais como alcaloides, flavonoides, triterpenos, limnnoides, dentre outras, as quais apresentam funcao de protecao contra fitopatogenos e insetos fitofagos.
ANDRADE NETO, M.   +3 more
core  

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