Results 71 to 80 of about 20,724 (135)

O Setor Primário e os Royalties do Município de Marechal Cândido Rondon - Paraná

Revista de Economia Mackenzie, 2011
O objetivo deste artigo é analisar a utilização dos royalties pagos pela Itaipu Binacional no setor primário do município de Marechal Cândido Rondon – Para‑ ná, após a formação do lago de Itaipu.
Lucir Reinaldo Alves, Arno Ari Strassburger, Jandir Ferrera de Lima   +2 more
doaj  

Suspected lymphoid leukosis visceral lymphoma with intestinal and ovarian involvement in a chicken

Veterinary Record Case Reports, Volume 14, Issue 3, August 2026.
Abstract An adult hen from a small poultry flock was submitted for diagnostic investigation because of nonspecific clinical disease and suspected neoplasia. At necropsy, the bird had ascites, splenomegaly, severe intestinal adhesions, nodular intestinal lesions and ovarian masses. Histopathology revealed extensive infiltration of the intestinal mucosa,
Thomas Salles Dias, Taís da Silva Lopes Chagas, Davi Lemos Monteiro, Carlos Henrique Campello Costa, Aniesse Siva Aguiar, Dayse Lima da Costa Abreu   +5 more
wiley   +1 more source

Semi‐Natural Habitats Buffer the Effects of Crop Diversification on Arthropod Pest Control Services in Agricultural Landscapes

Ecology Letters, Volume 29, Issue 8, August 2026.
Crop diversification is often promoted to enhance biological pest control in agricultural landscapes, but its effects remain context‐dependent. Using data from 742 landscapes across 13 countries, we found that crop diversification did not increase overall natural enemy abundance or biological control potential, but mainly increased both specialist ...
Thomas Perrot, Léa Beaumelle, Eva Thomine, Yann Tricault, Nicolas Desneux, Matthias Albrecht, Péter Batáry, Felix Bianchi, Klaus Birkhofer, Aliette Bosem Baillod, Rebecca Chaplin‐Kramer, Anne‐Marie Cortesero, Alejandro C. Costamagna, Tim Diekötter, Johan Ekroos, Martin H. Entling, Vesna Gagic, Russell Groves, Anders Huseth, Coline Jaworski, Marina Kaiser, Daniel S. Karp, Jochen Krauss, Blas Lavandero, Anne Le Ralec, Yanhui Lu, Emily A. Martin, Matthew Mitchell, Gonzalo A. R. Molina, Erkki Palmu, David J. Perovic, David Ragsdale, Sarah Redlich, Ishan Samaranayake, Julia Saulais, Nancy A. Schellhorn, Ingolf Steffan‐Dewenter, Louis Sutter, Teja Tscharntke, Matthias Tschumi, Adrien Rusch   +40 more
wiley   +1 more source

Impact of Climate Change on the Potential Distribution of Macaúba (Acrocomia aculeata, Acrocomia totai, Acrocomia intumescens) in Brazil

GCB Bioenergy, Volume 18, Issue 8, August 2026.
Climate change is projected to drive contrasting responses among Brazilian macaúba palms, ranging from relative stability and expansion to severe suitability loss. Ensemble ecological distribution models identified Acrocomia intumescens as highly vulnerable, while A.
George Corrêa Amaro, Vanessa Gonçalves do Nascimento, Anderson Barbosa Evaristo, Santiago José Elías Velazco, Ricardo Siqueira da Silva, Niloufar Lorestani, Farzin Shabani   +6 more
wiley   +1 more source

Greenhouse Gases Emissions and Economic Performance of Livestock, an Environmental Input-Output Analysis

Revista de Economia e Sociologia Rural
: In the last three decades, the developing countries have sharply increased its contribution to global warming. From 2005 to 2012, Brazil has reduced its total emissions in 12% due to deforestation control.
Luiz Carlos de Santana Ribeiro, Eder Johnson de Area Leão, Lúcio Flávio da Silva Freitas   +2 more
doaj   +1 more source

Amazon river prawn larvae incorporate astaxanthin in response to dietary supplementation with Bixa orellana

Journal of the World Aquaculture Society, Volume 57, Issue 4, August 2026.
Abstract This study evaluated the effects of dietary bixin, a carotenoid from Bixa orellana, on larval development, post‐larval performance, and carotenoid deposition in Macrobrachium amazonicum under controlled conditions. Larvae were reared in a recirculating aquaculture system with a moving bed biofilm reactor (MBBR) and fed Artemia nauplii and an ...
Tibério Soares e Rodrigues de Oliveira, Luciana Sampaio Lima, Anny Karina do Rosario Rodrigues, Sting Silva Duarte, Wilberforce Ndarawit, Eliane Tie Oba Yoshioka, Victor Hugo Gomes Sales, Njogu M. Kimani, Cleydson Breno Rodrigues dos Santos, Jô de Farias Lima   +9 more
wiley   +1 more source

Long‐term surveillance reveals hybridization by nuclear reassortment and intercontinental spread as major evolutionary drivers in wheat yellow rust

New Phytologist, Volume 251, Issue 4, Page 2091-2106, August 2026.
Documented incursions of Puccinia striiformis 2009–2023 based on sequential resampling of MLGs/pathogen races on different continents. Summary Evolutionary forces affecting crop pathogens, including hybridization and long‐distance dispersal (LDD), may have strong implications for food security and sustainable plant disease control at global scales ...
Mogens Støvring Hovmøller, Tine Thach, Julian Rodriguez‐Algaba, Jens Grønbech Hansen, Marcel Meyer, David P. Hodson, Kumarse Nazari, Robert F. Park, Rita Tam, Mareike Möller, Benjamin Schwessinger, John P. Rathjen, Paula Silva, Venancio Riella, Annemarie Fejer Justesen   +14 more
wiley   +1 more source

Uso do blockchain no contexto agropecuário brasileiro: impactos, desafios e oportunidades

Cadernos Cajuína
A agricultura brasileira atualmente responde por 24,8% do PIB e 47,6% das exportações, destacando seu papel na economia, além de ser vital para a segurança alimentar interna e para o desenvolvimento econômico.
Lucas Campos de Magalhães Nunes, Camilo Carromeu, Ivan Bergier Tavares de Lima, Adriana Dias Penha, Eduardo Pizzo Ottoboni, Maria do Carmo Biazus, Thaminne Myllena Maria de Carvalho Moura, Silvana Maria Aparecida Viana Santos   +7 more
doaj   +1 more source

Energias Renováveis e Sustentabilidade: um olhar geográfico para o parque eólico de Marcolândia, estado do Piauí, Brasil

Revista de Geociências do Nordeste, 2016
Em virtude da preocupação com os problemas ambientais, no que se refere à geração de energia, surgiram nas últimas décadas fontes alternativas conhecidas como energias renováveis, pautadas no desenvolvimento sustentável.
Jaerle Rodrigues Campêlo, Emanuel Lindemberg Silva Albuquerque   +1 more
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Impactos do crédito rural no mercado de trabalho da agropecuária dos estados brasileiros

Revista Brasileira de Estudos Regionais e Urbanos, 2020
Este trabalho examina as repercussões do crédito rural sobre o mercado de trabalho da agropecuária dos estados brasileiros. Especificamente, são analisados os impactos desse instrumento de política sobre o nível de emprego e sobre os salários reais desse
João Paulo Rios e Silva, Elano Ferreira Arruda   +1 more
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