Results 61 to 70 of about 379,830 (184)

Disentangling conservation asymmetries through socio‐economic transboundary factors across the Alto Paraná Atlantic Forest of South America

open access: yesPeople and Nature, Volume 8, Issue 5, Page 1328-1348, May 2026.
Abstract Ecoregions are often defined based on homogeneous biophysical and ecological conditions and are optimal spatial units for designing conservation strategies. However, transboundary ecoregions such as the Alto Paraná Atlantic Forest (APAF) experience asymmetrical conservation outcomes, understood here as cross‐border differences, resulting from ...
Lía Montti   +16 more
wiley   +1 more source

Sugar provisioning increases parasitoid numbers in agroecosystems but may not reduce pest densities: A meta‐analysis

open access: yesJournal of Applied Ecology, Volume 63, Issue 5, May 2026.
Our findings demonstrate that providing sugar sources reliably supports parasitoid populations and parasitism rate but does not systematically translate into improved pest suppression or yield gains. These results suggest that, for economic and practical reasons, sugar inputs at the edge of cultivated fields should be favoured.
Martin Luquet   +3 more
wiley   +1 more source

Efeito de sistemas de manejo nas propriedades físicas de um latossolo vermelho-escuro Effect of soil management on soil physical properties of an oxisol

open access: yesCiência Rural, 1997
Este trabalho foi realizado em 1995 na área experimental da Universidade de Cruz Alta, UNICRUZ, Cruz Alta - RS, com o objetivo de avaliar a influência de diferentes sistemas de manejo do solo nas propriedades físicas de um latossolo vermelho-escuro ...
Deonir Secco   +4 more
doaj   +1 more source

Impactos do Programa Bolsa Floresta: uma avaliação preliminar (Cadernos de Sustentabilidade) [PDF]

open access: yes, 2014
Este estudo trata do Programa Bolsa Floresta (PBF), um dos maiores programas de Pagamento por Serviços Ambientais (PSA) do mundo, com mais de 35 mil pessoas atendidas em 15 Unidades de Conservação Estaduais (UCs) do Amazonas.
Afrânio Soares   +5 more
core  

Landscape features predict broad‐scale seed rain patterns across fragments of the Brazilian Atlantic Forest

open access: yesJournal of Ecology, Volume 114, Issue 5, May 2026.
Along with precipitation, forest cover emerges as a fundamental driver of alpha and beta diversity in the seed rain. This highlights the role of habitat amount at the landscape level over patch‐level features, like patch size, for seed dispersal. However, increased seed density can be related to higher dispersal rates in forest borders.
Luís Felipe Daibes   +63 more
wiley   +1 more source

Effects of group size on agonistic behaviors of commercially housed growing pigs Efecto del tamaño del grupo sobre la conducta agonística de cerdos en crecimiento alojados en instalaciones comerciales Efeitos do tamanho do grupo sobre a conduta agonística de suínos em crescimento alojados em instalações comerciais

open access: yesRevista Colombiana de Ciencias Pecuarias, 2012
Objective: this study was conducted to understand the effects of group size on the agonistic behaviors of pigs reared at differing pen densities. Methods: thirty groups of pigs (a total of 350 individuals) housed at low, medium, and high group density (5,
Shin-Jae Rhim
doaj  

Seasonal and spatial variation of the epilithic diatoms: case study of an organic pollution gradient in a subtropical region of southern Brazil

open access: yesActa Limnologica Brasiliensia
: Aim This study aimed to understand the seasonal variation of epilithic diatoms in the Gravataí River regarding their composition and density along the river, as well as the respective relationships with local limnological variables.
Saionara Eliane Salomoni   +2 more
doaj   +1 more source

Funções de pedotransferência para estimativa da densidade dos solos de áreas tropicais montanhosas [PDF]

open access: yes, 2013
O desenvolvimento de funções de pedotransferência (FPT) para a estimativa de valores de densidade dos solos deve ser feita de levando em consideração os aspectos regionais onde se encontram os solos.
BHERING, S. B.   +3 more
core  

Expansión vertical de la ciudad: densidad urbana, ¿densidad humana?

open access: yesEstudios: filosofía, historia, letras, 2018
El futuro de las ciudades plantea su densificacion y verticalizacion. Un incremento de la poblacion en menos superficie disminuye desplazamientos, el consumo de suelo y el gasto de energia, aunque a costa de la interaccion social y la salud mental. En el caso de la Ciudad de Mexico, favorecer la verticalidad exige una cuidadosa adecuacion al contexto ...
openaire   +1 more source

Densidad, clase social y apoyo expresivo

open access: yesRedes. Revista hispana para el análisis de redes sociales, 2011
En el análisis de redes personales, la oposición entre redes bonding y bridging ha estado en el centro de varias de las hipótesis que relacionan la estructura de las redes con el apoyo disponible en ellas. La densidad ha sido uno de los indicadores más recurrentes para medir las redes bonding o close-knit dada su facilidad de operacionalización e ...
Cruz, Irene, Verd, Joan Miquel
openaire   +6 more sources

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