Results 91 to 100 of about 2,080,968 (299)

Population Response to Habitat Management from an Endangered Galliform: The Pyrenean Grey Partridge Recovery Project in Lago de Sanabria (2000–2023)

open access: yesDiversity
The Pyrenean grey partridge (Perdix perdix hispaniensis) is an endangered and insufficiently studied galliform occurring in upland habitats dominated by shrublands in Spain, France, and Andorra. Aiming to develop tailored management to favour the species,
Jesús Palacios   +14 more
doaj   +1 more source

Absence of negative effect of GPS‐tags on survival and breeding success in a long‐lived territorial raptor

open access: yesIbis, EarlyView.
GPS tracking has enabled significant advances in the study of animal movements such as migration and habitat use. However, GPS devices can affect the behaviour of tagged individuals, especially for flying animals such as birds, and may ultimately impair their reproduction and/or survival.
Lise Viollat   +5 more
wiley   +1 more source

Día Mundial del Medio Ambiente [PDF]

open access: yes, 2007
LA REVISTA VIRTUAL REDESMA pretende ser un apoyo al aprendizaje global. Arrancando textos de las aulas los llevaremos a los lectores y practicantes de los gobiernos, de áreas de conservación, de los proyectos, las ONGs, de las comunidades campesinas e ...
Blanes, José   +2 more
core  

Sustitución de la posición A en la estructura Perovskita ABO3

open access: yesRevista CENIC Ciencias Químicas, 2001
El trabajo se propuso estudiar la influencia de la introducción del bismuto como dopante en la estructura de la Perovskita ABO3, a través de la comparación de los resultados con cerámicas similares dopadas con lantano y de la aplicación de nuevos ...
María Dolores Durruthy Rodríguez   +4 more
doaj  

Arquitectura y medio ambiente

open access: yes, 2003
La arquitectura y la planificación son el resultado de una integración ponderada de conocimientos técnicos y una multiplicidad de aspectos relacionados con el conocimiento natural y social. En este trabajo el autor propone, desde el ámbito de las ciencias del medio ambiente, diversos planteamientos teóricos y prácticos relacionados con la arquitectura ...
openaire   +3 more sources

Modelling migration dynamics of Common Cranes and Eurasian Spoonbills as hydrological flow

open access: yesIbis, EarlyView.
The migration of birds through a stopover site may be understood as a physical process of hydrological flow through a reservoir whose water levels rise and fall over a migration period. Hydrological flow models show promise as a way of integrating information on storage (daily counts of birds), inflow/outflow (number of birds arriving/departing each ...
Mark C. Drever   +4 more
wiley   +1 more source

Amphibia, Anura, Hylidae, Scinax granulatus (Peters, 1871): distribution extension in central Argentina [PDF]

open access: yes, 2011
This paper presents novelty information about the distribution of Scinax granulatus in Argentina. These records were made ca. 300 km from the closest known locality.
Agostini, Maria Gabriela   +1 more
core   +3 more sources

Evolutionary history of Middle American Rhamdia (Siluriformes: Heptapteridae) inferred from comparative mitogenomic data: Insights on historical biogeography and cave colonization in the group

open access: yesJournal of Systematics and Evolution, EarlyView.
This study investigated the systematics and biogeography of the Middle American clade of Neotropical catfishes of the genus Rhamdia using mitogenome‐wide comparative data. Results refine and corroborate previous phylogenetic hypotheses, including the deep paraphyly of the species Rhamdia laticauda; they support a scenario of northward dispersal from ...
Jairo Arroyave   +6 more
wiley   +1 more source

Recursos litosféricos y medio ambiente [PDF]

open access: yes, 1995
This paper focuses that geological resources is an essential need in development of the society and specially of the developing countries. Taking into account the processes and environmental problems related to mining exploitation, these activities ...
Paz Magaz, A. I.   +1 more
core   +1 more source

Propuesta metodológica de encuesta nacional de innovación para el sector agroalimentario en Cuba (Methodological proposal for a national innovation survey for the agri-food sector in Cuba )

open access: yesGECONTEC: Revista Internacional de Gestión del Conocimiento y la Tecnología, 2022
El artículo propone enriquecer y ampliar el alcance de los indicadores sobre innovación, vinculados al desarrollo del sistema agroalimentario y al Plan de Soberanía Alimentaria y Educación Nutricional hasta el 2030.
David Santos Lacaba   +4 more
doaj   +2 more sources

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