Results 51 to 60 of about 97,165 (165)
Ciência Rural, 2004 Com a intensa utilização de tecnologias voltadas à motomecanização das operações agrícolas, o processo de compactação do solo, causado pelo tráfego, é um fator limitante à obtenção de maior produtividade agrícola.
Streck Carlos Arnoldo +3 more
doaj
Ecography, Volume 2026, Issue 9, September 2026.Abstract Ecological niche models (ENMs) are commonly used to predict species' potential distributions across space and time, allowing researchers and practitioners to assess invasion risk, estimate the impacts of future climate change, and reconstruct past distributions.
Gonzalo E. Pinilla‐Buitrago +2 more
wiley +1 more source
, 2012 Esta coleção compõe-se de 16 recursos que tratam do tema densidade. Os recursos 1 ao 5 conceituam densidade e como ela pode ser observada. Os recursos 6 e 7 possibilitam o aluno medir e obter valores para densidade.
Maria Antonieta Gonzaga Silva - Escola de Educação Básica e Profissional da UFMG – Centro Pedagógico – Belo Horizonte - MG,
core
Use of intertidal areas by shrimps (Decapoda) in a brazilian Amazon estuary
Anais da Academia Brasileira de Ciências, 2014 The present work investigated the occupation and the correlation of the shrimp abundance in relation to environmental variables in different habitats (mangroves, salt marshes and rocky outcrops) in an Amazon estuary.
HEBERT A. SAMPAIO +1 more
doaj +1 more source
Identical Platform, Divergent Publics: Sweden and Finland During the 2022 NATO Crisis
Policy &Internet, Volume 18, Issue 3, September 2026.ABSTRACT Digital platforms are often theorized as universal drivers of political polarization, yet empirical patterns remain inconsistent across countries. Leveraging the natural‐experiment logic of Sweden's and Finland's simultaneous 2022 NATO applications and the NATO–Turkey diplomatic crisis, this study examines how national political cultures ...
Selcen Ozturkcan
wiley +1 more source
Planta Daninha, 2011 Volunteer canola (Brassica napus) and Sinapis arvensis are well identified weeds of different cropping systems. Quantitative information on regarding seed production by them is limited.
E Soltani +4 more
doaj +1 more source
Wildlife Monographs, Volume 226, Issue 1, September 2026.We estimated seasonal space use, cover selection, and resource selection; evaluated gene flow and potential genetic barriers; and assessed cause‐specific survival rates and reproduction of radiomarked gray foxes in Indiana, USA. Our results provide evidence that gray foxes in Indiana are an edge species with relatively large home ranges, relatively low
Tim L. Hiller +5 more
wiley +1 more source
Ciência Rural, 2009 Uma população de capivaras (Hydrochoerus hydrochaeris) foi monitorada na região limítrofe entre a Estação Ecológica do Taim e áreas de cultivo de arroz no extremo sul do Rio Grande do Sul, Brasil.
Felipe Maia Garcias, Alex Bager
doaj +1 more source
Elevation shapes alpine snow algal blooms and their influence on albedo reduction
New Phytologist, Volume 251, Issue 5, Page 2482-2496, September 2026.Graphical summary of elevational trends in Sanguina‐dominated snow algal blooms. Increasing elevation was associated with larger cells, lower Chla content per cell, higher astaxanthin ratios, lower snow water content, and reduced cell‐normalized albedo, whereas algal cell density showed no consistent elevational trend.
Pablo Almela +5 more
wiley +1 more source
Planta Daninha, 2006 The effects of competition of seven weed species on the growth of coffee plants were evaluated under greenhouse conditions. Thirty days after coffee seedling transplantation into 12 L pots with soil level area of 6.5 dm², weeds were transplanted into or ...
C.P. Ronchi, A.A. Silva
doaj +1 more source