Results 51 to 60 of about 78,026 (218)

A Global Review of Microplastic Contamination in Groundwater: Empirical Evidence and Latin American Perspectives

open access: yesWater and Environment Journal, EarlyView.
ABSTRACT The presence of microplastics (MPs) in groundwater has emerged as a significant concern due to their environmental impact and the threat they pose to vital water resources, groundwater being one of the most important freshwater sources in the world.
Lara Luiza de Oliveira Pompermayer   +7 more
wiley   +1 more source

Systematics of Marmosa Subgenus Micoureus With Emphasis in ‘rapposa’ Group (Didelphidae, Marmosini): Geographic Variation and Revalidation of M. budini

open access: yesZoologica Scripta, EarlyView.
ABSTRACT Micoureus is the most species‐rich subgenus within the genus Marmosa. Conflicting arrangements regarding the number of species comprising this subgenus have been proposed and the validity of M. budini has been debated. Here, we used an approach integrating genetic and morphological data were conducted to reanalyze the ‘rapposa’ group ...
Maria Clara Santos Ribeiro   +3 more
wiley   +1 more source

Incorporação da tração animal em sistemas agroecológicos em Rondônia. [PDF]

open access: yes, 2011
A tração animal é uma técnica milenar se apresentando como uma das alternativas para solucionar problemas ligados à produção e produtividade das culturas que compõem os diversos sistemas agroecológicos em Rondônia.
CARVALHO, J. O. M. de   +3 more
core  

Interplay Between River Formation and Historical Climatic Changes Drove Diversification of the Thamnomanes caesius and T. schistogynus (Passeriformes, Thamnophilidae) Species Complex Across Amazonian and Atlantic Forests

open access: yesZoologica Scripta, EarlyView.
ABSTRACT The Amazon and Atlantic forests harbour immense biodiversity shaped by complex evolutionary history with diverse processes leading to species build‐up. We investigated the Cinereous Antshrike species complex (Thamnomanes caesius and T. schistogynus) to disentangle the relative contributions of riverine barriers and historical climatic ...
Henrique Batalha‐Filho   +6 more
wiley   +1 more source

Conceptual Tripod of Ecotourism for Compliance Assessment of a National Park in the Brazilian Amazon

open access: yesJournal of Tourismology
National Parks in Brazil are Natural Protected Areas where ecotourism can be developed associated with nature conservation, respecting the guidelines of its Management Plan (MP).
Margarita María Dueñas Orozco   +2 more
doaj   +1 more source

Estudos de biodegradação de óleo diesel por consórcio microbiano coletado em Porto Velho - RO, amazônia

open access: yesQuímica Nova, 2011
The goal of this research was to evaluate the biodegradation of diesel by a microbial consortium collected in a region close to distributors of fuel. The experiments were monitored by SPME-GC-FID and SPME-GC-MS. The consortium showed a high potential for
Cleber C. Luz   +7 more
doaj   +1 more source

Scheffrahnitermes ubuntu (Isoptera: Apicotermitinae), Description of a New Termite Using a Collaborative Approach to Address the Wallacean Shortfall

open access: yesNew Zealand Journal of Zoology, Volume 53, Issue 2, June 2026.
The study of Neotropical Apicotermitinae remains challenging due to the large number of undescribed taxa (Linnean shortfall) as well as the scarcity of distributional data (Wallacean shortfall). Despite recent efforts to reduce the first one, the second remains an even more significant challenge.
Camila C. Mellado   +10 more
wiley   +1 more source

Epopeia historiográfica na Amazônia: entre acervos e documentos da Educação Profissional rondoniense

open access: yesCadernos de História da Educação
O presente artigo, um diálogo com uma pesquisa de doutoramento da Universidade Federal de Rondônia (Unir) ancorado na abordagem qualitativa, procura analisar o Dossiê Escolar do Instituto Federal de Rondônia, Campus Ariquemes, na tentativa de ver com ...
Robson Fonseca Simões   +1 more
doaj   +1 more source

Levantamento dos principais agentes fitopatogênicos presentes em culturas no Estado de Rondônia. [PDF]

open access: yes, 2012
Visando um melhor conhecimento sobre as doenças que atingem as principais culturas no Estado de Rondônia e suas incidências, foi realizado um levantamento dos principais agentes patogênicos associados às amostras catalogadas no Laboratório de ...
ALVES, A. A.   +5 more
core  

Accounting for molecular stochasticity in systematic revisions: species limits and phylogeny of Paroaria [PDF]

open access: yes, 2009
Different frameworks have been proposed for using molecular data in systematic revisions, but there is ongoing debate on their applicability, merits and shortcomings.
Ana L. Porzecanski, Liliana M. Dá
core   +2 more sources

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