Results 241 to 250 of about 9,552,439 (332)

Qualitative research: the heart of implementation studies. [PDF]

open access: yesRev Bras Enferm
Oliveira ESF, Presado MH, Baixinho CL.
europepmc   +1 more source

Nueva Izquierda, cambio social y sustentabilidad en el Ecuador [PDF]

open access: yes, 2008
Larrea Maldonado, Carlos   +1 more
core  

Long‐term trends of epibionts reflect Mediterranean striped dolphin abundance shifts caused by morbillivirus epidemics

open access: yesJournal of Animal Ecology, Volume 95, Issue 3, Page 553-569, March 2026.
This original research piece demonstrates, through empirical and theoretical modelling approaches, that the epibionts of striped dolphins indicate dolphin abundance shifts caused by epidemics of dolphin morbillivirus (DMV). In addition, we provide the first SIR model to investigate the epidemiology of DMV in western Mediterranean striped dolphins ...
Sofía Ten   +4 more
wiley   +1 more source

[Presence of Aedes aegypti in a high altitude area in Bolivia] [PDF]

open access: yesRev Fac Cien Med Univ Nac Cordoba
Rios-Escalier C   +3 more
europepmc   +1 more source

Sociología y cambio social

open access: yesReis, 1998
Francisco Herreros Vázquez   +1 more
openaire   +1 more source

Drought reduces the value of both artificial and natural wetlands for gulls breeding in the Mediterranean region

open access: yesJournal of Applied Ecology, Volume 63, Issue 3, March 2026.
The importance of artificial wetlands for waterbird conservation can be easily overestimated from count data alone. The value of extensive fish ponds as a breeding habitat depends on maintaining the availability of natural marshes as a foraging habitat. This requires reducing impacts from groundwater extraction. Given recent abandonment of aquaculture,
Yingjun Wang   +5 more
wiley   +1 more source

Familia y cambio social

open access: yes, 1982
Es una ponencia dentro de un ciclo sobre la familia dirigido por Rosa Conde. Analiza la inserción del sistema reproductivo dentro del sistema social y el modo en que se transmite la desigualdad social en las etapas de planificación familiar, gestación, parto y atención post parto. Analiza también las encuestas de opinión disponibles
openaire   +1 more source

Assessing contributions of deterministic versus stochastic processes to local species assembly: A field experiment with annual plant‐dominated communities in gypsum systems

open access: yesJournal of Ecology, Volume 114, Issue 3, March 2026.
In this study, we experimentally show that stochasticity can play prominent roles in driving local species assembly in annual plant‐dominated communities of semiarid gypsum ecosystems. Drylands are traditionally viewed as restrictive environments that impose strong deterministic filtering effects, but neutral events can also contribute decisively to ...
Laura Ortiz   +3 more
wiley   +1 more source

El conflicte actual des del passat com orientació per al futur

open access: yesAnuari del Conflicte Social, 2019
María Trinidad Bretones
doaj   +1 more source

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