Results 91 to 100 of about 58,912,704 (189)

The Zooplankton International Geospatial dataset: A global repository of spatiotemporal freshwater zooplankton community composition data from lakes and reservoirs to support ecological research

open access: yesLimnology and Oceanography Letters, Volume 11, Issue 5, September 2026.
Abstract Zooplankton transfer substantial energy in aquatic food webs and are used as indicators of environmental change. Syntheses of zooplankton community dynamics globally require datasets that span a wide range of environmental gradients; however, these datasets are limited due to methodological differences across programs, taxonomic ...
Stephanie E. Figary   +142 more
wiley   +1 more source

Taxa de câmbio real, apoio financeiro e exportações no Brasil: estimação da equação de exportações setoriais com câmbio implícito

open access: yesBrazilian Journal of Political Economy, 2019
RESUMO Esse estudo avalia a relevância dos instrumentos de incentivo às exportações, Adiantamento de Contrato de Câmbio (ACC) e Pagamento Antecipado das Exportações (PAE), entre 2004 e 2011, no Brasil.
DÉBORA FREIRE   +2 more
doaj   +1 more source

Assessing terrestrial vertebrates as potential biodiversity indicators of ecosystem services in multifunctional landscapes

open access: yesPeople and Nature, Volume 8, Issue 9, Page 3015-3033, September 2026.
Abstract Combining ecosystem services and biodiversity conservation is critical for evaluating the benefits of nature to society. However, research gaps have led to a conservation dilemma in determining which biodiversity groups should be selected in ecosystem service assessments.
Felipe S. Campos   +6 more
wiley   +1 more source

PLANO REAL: ESTRATÉGIAS DE AÇÃO E PERSPECTIVAS

open access: yesEmancipação, 2004
Este artigo apresenta alguns resultados obtidos pelo Plano Real, discutindo seus principais acertos e suas inconsistências macroeconômicas. Em seguida, apresenta as medidas de política econômica nos doze primeiros meses de Governo Lula, discutindo as ...
Ricardo Balistiero   +1 more
doaj  

North Atlantic Ocean–Atmosphere Dynamics Controlled the Hydroclimate in Western Iberia During the Holocene

open access: yesPaleoceanography and Paleoclimatology, Volume 41, Issue 9, September 2026.
Abstract Hydroclimate variability in western Iberia during the Holocene remains insufficiently resolved despite the high sensitivity of this region to the North Atlantic atmosphere and ocean dynamics. Here, we present the first source‐resolved reconstruction of centennial‐ to millennial‐scale moisture variability over the last 11,000 years using ...
U. Fernández‐Pérez   +12 more
wiley   +1 more source

Exchange rate and fundamentals: the case of Brazil

open access: yesEconomia Aplicada, 2008
O desempenho de previsão para fora da amostra é testado para um amplo conjunto de modelos empíricos de taxa de câmbio em uma economia emergente com taxa de câmbio flutuante e regime de metas de inflação.
Marcelo L. Moura   +2 more
doaj  

Biological invasions disrupt the relationship between size spectrum and trophic interactions in freshwater fish communities

open access: yesJournal of Animal Ecology, Volume 95, Issue 9, Page 1629-1641, September 2026.
Our study shows that non‐native species alter the relationship between the size‐spectrum slope and the predator–prey mass ratio (PPMR) in freshwater fish communities by occupying distinct trophic niches. Abstract The size spectrum, which describes the relationship between abundance (or biomass) and body size, is an ataxic approach that can provide ...
Valentin Marin   +3 more
wiley   +1 more source

Preço internacional, taxa de câmbio e o preço pago aos produtores brasileiros de soja [PDF]

open access: yes, 2014
O objetivo deste estudo foi verificar como o preço internacional da soja e a taxa de câmbio influenciaram a formação dos preços domésticos da soja nos estados de Mato Grosso, Paraná, Rio Grande do Sul e Goiás, os maiores produtores dessa commodity no ...
Ferreira, Marcelo Dias Paes   +1 more
core  

Highly Mobile Seabirds Reveal Areas of Conservation Importance Across the Atlantic Ocean

open access: yesConservation Letters, Volume 19, Issue 5, September/October 2026.
ABSTRACT Countries have committed to expanding the marine protected area (MPA) network to 30% of the world's ocean by 2030, more than tripling current coverage, and focusing on areas important for biodiversity. For such expansion to translate into effective conservation of marine biodiversity, it must rely on the best available knowledge.
Marie‐Morgane Rouyer   +176 more
wiley   +1 more source

Efeitos das intervenções cambiais a vista na taxa de câmbio R$/US$: o caso brasileiro de 1999 a 2008

open access: yesEconomia Aplicada, 2010
Este estudo analisa as intervenções ocorridas no mercado cambial brasileiro entre 1999 e 2008 por meio de operações a vista e seus efeitos na taxa de câmbio R$/US$. O período foi segmentado usando os resultados de um modelo MS-VAR.
Roberto Meurer   +2 more
doaj  

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