Results 51 to 60 of about 1,258,264 (212)

Natureza e turismo : um equilíbrio possível? [PDF]

, 2011
A secção Biologia é coordenada pelo Professor Universitário Armindo Rodrigues.Abril/2010: início do projecto de 3 anos MOST (Aplicação de um modelo de turismo sustentável a áreas da rede Natura 2000 nos Açores), financiado pela FCT e com o apoio do DB ...
Ventura, Maria A.
core  

Patterns of Interploidy Admixture in Polyploid Complexes: Insights From Thymus Sect. Mastichina (Lamiaceae)

Molecular Ecology, Volume 35, Issue 3, February 2026.
ABSTRACT Understanding gene flow between ploidy levels in polyploid complexes is essential for species delimitation and conservation. This study explores evolutionary dynamics in the polyploid complex Thymus sect. Mastichina (Lamiaceae), comprising three taxa: T. mastichina subsp. mastichina, T. mastichina subsp.
Francisco José García‐Cárdenas, María Ángeles Ortiz, José Carlos del Valle, David Doblas‐Pruvost, Manuel de la Estrella, Diego Nieto‐Lugilde, Lisa Pokorny, Regina Berjano   +7 more
wiley   +1 more source

Natureza e cultura [PDF]

, 2014
Neste artigo, indicam-se as origens da dicotomia natureza/cultura e examinam-se algumas propostas recentes para superá ...
Abrantes, Paulo Cesar Coelho
core  

Between Droughts and Floods: The Seasonal Response of Freshwater Snails in Artificial Reservoirs in the Brazilian Semiarid Region

Population Ecology, Volume 68, Issue 1, January 2026.
We investigate the seasonal dynamics of two freshwater snails, Biomphalaria straminea and Melanoides tuberculata, in artificial reservoirs of the Brazilian semiarid region. Despite regulated hydrology, B. straminea exhibited strong seasonal fluctuations associated with dry periods, while M. tuberculata maintained stable populations throughout the year,
Lucas Henrique Sousa da Silva, João Hemerson de Sousa, Adriana Josefa da Rocha, Manuella Feitosa Leal, Lucas Ariel de Sousa Aguiar, Tamaris Gimenez Pinheiro, Edson Lourenço da Silva   +6 more
wiley   +1 more source

Natureza e ciências sociais [PDF]

Sociedade e Estado, 2003
A construção do sentido do termo natureza abrange diferentes áreas do conhecimento e tem sido objeto de reflexão tanto das ciências naturais quanto sociais. Nos desdobramentos do conhecimento produzido sobre esta temática existem diversas abordagens que, da perspectiva das ciências sociais, podem ser identificadas. O propósito deste artigo é considerar
openaire   +5 more sources

The development of sustainable cropping systems in the highlands of South-East Asia: general lessons for development projects [PDF]

, 2005
Hosted by 'Open Journal Systems'Soil conservation in the highlands of South-East Asia is essential for sustainable agro-environmental development. The effectiveness of soil conservation treatments developed in runoff plots was investigated in farmer ...
Fullen, Michael A.
core   +2 more sources

Habitat Structure Shapes Mollusc Assemblages in an Urban Semiarid River: Implications for Conservation and Public Health

Aquatic Conservation: Marine and Freshwater Ecosystems, Volume 36, Issue 1, January 2026.
ABSTRACT Fine‐scale environmental drivers shape freshwater mollusc assemblages in urban semiarid rivers. We examined how substrate composition and water chemistry influence mollusc richness and abundance along a polluted stretch of a river in the Brazilian semiarid region. Surveys at five sites recorded 2479 individuals.
Lucas Ariel Sousa Aguiar, Lucas Henrique Sousa Silva, Manuella Feitosa Leal, Edson Lourenço Silva, Tamaris Gimenez Pinheiro   +4 more
wiley   +1 more source

Biosolid as an alternative source of nutrients in chrysanthemum cultivation

Scientific Reports
The objective was to evaluate the biosolids as an alternative source of nutrients in the production of chrysanthemums by adding increasing doses to the cultivation substrate. The experimental design was in blocks with 6 treatments and 5 replications. The
Frederico Luiz Pereira, Ursuléia Aparecida de Oliveira, Márcio Donizetti de Andrade, Felipe Campos Figueiredo, Breno Régis Santos, Marília Carvalho, Sandro Barbosa   +6 more
doaj   +1 more source

Demographic Parameters of Iberian Killer Whales Between 2011 and 2023

Marine Mammal Science, Volume 42, Issue 1, January 2026.
ABSTRACT The Iberian killer whale subpopulation was assessed as critically endangered (CR) by the IUCN red list of threatened species based on the available information until 2011 on its low abundance, high newborn mortality, and dependency on the endangered Atlantic bluefin tuna.
Ruth Esteban, Pauline Gauffier, Alfredo López, Francisco J. Gil‐Vera, Jörn Selling, Lilian Haristoy, Rocio Espada Ruiz, Pierre Guibert, André Días, Alfredo Rodrigues, Alejandro Onrubia, Mario Morcillo, German Garrote, Leire Ruiz, Gorka Ocio, Sara Magalhães, Annemieke Podt, Ezequiel Andreu, João Gonçalves, José M. Brotons, Francico Martinho, Gonçalo Abrantes, Mafalda Moore, Daniela Nobre, Xabier Vázquez Pumariño, Paula Méndez‐Fernandez, José A. Vázquez, Michel Wiese, Laura González García, Georgina Cabayol, Jan Haelters, Victoria Pouey‐Santalou, Philippe Verborgh   +32 more
wiley   +1 more source

Bromélias: exercícios de percepção da natureza com base em estudos de Goethe e Holdrege

Palíndromo, 2020
O artigo apresenta uma proposição artística que inclui caminhada e exercícios de desenho, escrita e corpo para a percepção de uma planta. A concepção da natureza parte de estudos científicos de Goethe e de reflexões acerca da pesquisa de Craig Holdrege ...
Daniela Vicentini
doaj   +1 more source