Results 41 to 50 of about 1,151 (136)

FITORREMEDIAÇÃO DO HERBICIDA SULFENTRAZONE A CAMPO: DETERMINAÇÕES CROMATOGRÁFICAS

Revista UniVap, 2016
A técnica de cromatografia torna-se essencial no processo da fitorremediação de solo contaminado com herbicidas. Objetivou-se determinar a persistência do sulfentrazone utilizando cromatografia líquida (CLAE). O trabalho foi conduzido em duas etapas. Na
Ana Carolina Roos Pinheiro
doaj   +1 more source

El conflicto con el campo de 2008 en Argentina:

Estudios Sociales Contemporáneos, 2021
Partiendo de una mirada discursiva de los clivajes políticos, este trabajo analiza los discursos de los actores intervinientes en la crisis del campo en la Argentina en el año 2008.
Fernando Chávez Solca
doaj   +1 more source

A Reserve of Light: Photography, Ethnography, and Lucid Memory in Contemporary Chile

The Journal of Latin American and Caribbean Anthropology, Volume 31, Issue 2, June 2026.
ABSTRACT This article takes shape as a shared inquiry between an ethnographer and a photographer, in continuity with the photographic archive of Luis Poirot. Through sustained encounters with his images and archival practices, the text does not position itself outside the archive that motivates it, but unfolds from within it.
Cristóbal Bonelli, Luis Poirot
wiley   +1 more source

Dissipação de simazina em solo por ação de minhocas (Eisenia foetida)

Revista Brasileira de Ciência do Solo, 2001
O solo abriga grande diversidade de organismos macroscópicos e microscópicos, que competem entre si pelos recursos disponíveis. Visando ao aumento da produtividade agrícola, utilizam-se, cada vez mais, fertilizantes e pesticidas que provocam alterações ...
S. Papini, M. M. Andréa
doaj   +1 more source

Designing networks of freshwater and marine conservation areas accounting for cross‐realm connectivity and threat propagation

Journal of Applied Ecology, Volume 63, Issue 4, April 2026.
This study highlights the importance of integrating cross‐realm connectivity and threat propagation when designing new or expanding existing networks of conservation areas, such as the Natura 2000 European network of protected areas. These findings emphasize the need for multirealm planning that supports species persistence, protects transitional ...
Maria Vigo, Vasiliki Markantonatou, Virgilio Hermoso, Maria Papazekou, Elina Tragou, Stelios Katsanevakis, Sylvaine Giakoumi   +6 more
wiley   +1 more source

EFEITO DA TRIFLURALINA SOBRE A ATIVIDADE BIOLÓGICA EM DOIS SOLOS

Ciência Rural, 1991
A influência da Trifluralina 600 CE sobre a atividade microbiana e taxa de liberação de CO2 foi estudada com amostras de solos da Unidade de Mapeamento São Pedro e Cruz Alta, incubados a 80% da capacidade de campo ou saturados, com tratamentos ...
Ecila Maria Nunes Giracca, Zaida Inês Antoniolli, Antonio Pasqualetto, Flávio Hoff, Jorge Miotti   +4 more
doaj   +1 more source

Phytochemical diversity of naturally regenerated plants in a biodiversity enrichment experiment

Journal of Ecology, Volume 114, Issue 3, March 2026.
Tree islands established within an industrial oil palm plantation promoted the recovery of phytochemical diversity through natural regeneration. Ten years after planting, untargeted metabolomics of 76 regenerating woody species detected 27,122 phytochemical features, including many novel compounds. Larger islands supported higher woody species richness
Vannesa Montoya‐Sánchez, Emmanuel Defossez, Gustavo B. Paterno, Nathaly Guerrero‐Ramírez, Gaetan Glausere, Dirk Hölscher, Holger Kreft, Bambang Irawan, Delphine Clara Zemp   +8 more
wiley   +1 more source

Atividade residual de imazethapyr + imazapic em arroz semeado em rotação com o arroz Clearfield® Residual soil activity of imazethapyr + imazapic to rice planted in rotation after Clearfield rice®

Planta Daninha, 2011
Objetivou-se com este trabalho avaliar os efeitos da atividade residual da mistura comercial do herbicida Only® (imazethapyr+imazapic) sobre o arroz convencional, cultivar IRGA 417, em solo cultivado em uma e três safras sequenciais de arroz Clearfield® (
J.J.O. Pinto, J.A. Noldin, C.P. Sousa, D. Agostinetto, L. Piveta, A. Donida   +5 more
doaj   +1 more source

Mate desertion affects offspring survival, development and physiology in a songbird with multiple parental strategies

Functional Ecology, Volume 40, Issue 2, Page 323-337, February 2026.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Sexual conflict affects the amount and duration of offspring care each parent invests, resulting in multiple parental care strategies sometimes coexisting within a single population.
Valentina Alaasam, Alejandro Cantarero, Matteo Beccardi, Alejandro Corregidor‐Castro, Manuel Fuertes‐Recuero, Matteo Schiavinato, Lia Zampa, Alessandro Grapputo, Matteo Griggio, Jenny Q. Ouyang, Andrea Pilastro, Davide Baldan   +11 more
wiley   +1 more source

The Role of the European Union in Managing African Crises Between Development Aid and Geopolitical Interests

World Affairs, Volume 189, Issue 1, Spring 2026.
ABSTRACT This study conducts a comprehensive and critical examination of the interplay between development assistance and strategic geopolitical objectives in the European Union's (EU) engagement with African crises. Although the EU positions itself as a normative power committed to advancing peace, development, and human rights, its practices often ...
Edmond Chick, Mohamed Ibrahim Hassan Farag   +1 more
wiley   +1 more source