Results 31 to 40 of about 26,851 (207)

Marco regulatorio de Biotecnología moderna y edición génica agropecuaria de Costa Rica

open access: yesTecnología en Marcha
La biotecnología es un motor de desarrollo global para el sector agropecuario, influyendo en la economía mundial y el avance de las metas de desarrollo sostenible.
Jason Pérez   +4 more
doaj   +1 more source

Estudo numérico do impacto da mudança climática sobre o rendimento de trigo, soja e milho Numerical study of the impact of climate change on the yield of wheat, soybean and maize

open access: yesPesquisa Agropecuária Brasileira, 2006
O objetivo deste trabalho foi avaliar, por meio de estudo numérico, a existência de impacto da possível mudança climática sobre o rendimento das culturas do trigo, soja e milho, em Santa Maria, RS. Foram criados cenários de mudança climática, dobrando-se
Nereu Augusto Streck   +1 more
doaj   +1 more source

Symbols of Climate Action: Audit Labor and the Production of Carbon Credits

open access: yesEconomic Anthropology, EarlyView.
ABSTRACT Voluntary carbon markets (VCMs) are promoted as tools for financing climate mitigation, yet their effectiveness and credibility remain contested. This article examines how carbon credits are produced and destabilized as symbols of climate action, emphasizing the forms of ecological and audit labor that sustain their legitimacy.
Diego Silva Garzón
wiley   +1 more source

"O celeiro da Amazônia": agricultura e natureza no Pará na virada do século XIX para o XX

open access: yesTopoi
O objetivo deste texto é entender como se construiu por parte de autoridades e articulistas que escreviam em jornais paraenses de finais do século XIX e início do século XX uma ideia de progresso e desenvolvimento para o estado do Pará.
Franciane Gama Lacerda   +1 more
doaj   +1 more source

Nests in trees are as good as or better than cliffs for two formerly persecuted, primarily cliff nesting eagles in Spain: a cautionary tale in defining the habitat of range‐restricted or threatened species

open access: yesWildlife Biology, EarlyView.
In the late‐20th century, golden and Bonelli's eagles suffered population declines on the Iberian Peninsula, partly due to human persecution. Habitat assessments – especially for Bonelli's eagles – always found or assumed strong associations with cliffs that provided nesting sites.
Ryan Baumbusch   +5 more
wiley   +1 more source

Portable, Benchtop and Micro‐XRF in Agriculture—Present and Future From the Hardware Perspective

open access: yesX-Ray Spectrometry, EarlyView.
ABSTRACT X‐ray fluorescence (XRF) spectrometry has been an important tool in agricultural studies recently. This technique allows the multielemental, direct, and in situ analysis. The objective of this review is to evaluate the use of XRF in agriculture focusing on plant and soil samples based on indexed articles in the Scopus database from 2020 to ...
Eduardo de Almeida   +7 more
wiley   +1 more source

Co‐phylogeny and biogeography of the myrmecophilous beetle Paussus favieri (Carabidae, Paussinae) and its host ant Pheidole pallidula (Hymenoptera, Myrmicinae)

open access: yesInsect Science, EarlyView.
Strict patterns of co‐divergence have rarely been documented other than among organisms and their symbionts. In this paper, using a molecular approach, we inferr the population‐level phylogenies of a Mediterranean ant species Pheidole pallidula and its nest parasite, the obligate myrmecophilous beetle Paussus favieri. We then investigate the role of co‐
Davide Bergamaschi   +2 more
wiley   +1 more source

Descriure, mesurar i calcular superfícies agràries a l’Edat Mitjana: un cas pràctic (Mallorca, 1230)

open access: yesAnales de la Universidad de Alicante. Historia Medieval
En el segle de l’ordinador, el distanciòmetre, l’estació total, el GPS, la fotografia aèria, la restitució fotogramètrica, la geo-referenciació, la cartografia digital, els drons i els escàners, tenim tendència a suposar que la mesura de distàncies i el ...
Plàcid Pérez Pastor
doaj   +1 more source

Disentangling Multitrophic Interactions: How Vegetation Cover, Wild Boar, Deer, and Predators Shape Rodents Activity and Acorn Dispersal

open access: yesIntegrative Zoology, EarlyView.
Vegetation cover promotes rodent activity and acorn dispersal, while wild boars exert a direct negative effect on mice. Conversely, deer and predators displayed no significant impact on rodent behavior. These results identify wild boars as the main disruptors of rodent‐mediated forest regeneration.
David Notario Rincón   +9 more
wiley   +1 more source

Agricultura familiar

open access: yesGeographia Opportuno Tempore, 2022
O presente trabalho teve como objetivo analisar o histórico da estrutura fundiária no Brasil, apontando a natureza do seu desenvolvimento, as desigualdades resultantes desse processo e a importância de espaços de resistência sob a ótica das lutas sociais e sindicais.
Victória Jandira Bueno   +2 more
openaire   +1 more source

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