Results 151 to 160 of about 1,631,646 (241)
El Comité de Crédito a Medio y Largo Plazo
, 1961 Documentación Administrativa Revista
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Actividades exteriores: África — América Latina — Asia — Oriente Medio — Europa [PDF]
, 1976 openalex +1 more source
Conservation Biology, EarlyView.Abstract Small‐scale fisheries often lack historical shark and ray catch information, hampering their management. We reconstructed historical catch trends and current fishing pressure by combining local ecological knowledge, satellite‐based vessel counts, and a short‐term landing‐site survey.
Guido Leurs +15 more
wiley +1 more source
Assessing the Corn Belt as an anthropogenic barrier to migrating landbirds in the United States
Conservation Biology, EarlyView.Abstract Migrating landbirds adjust their flight and stopover behaviors to efficiently cross inhospitable geographies, such as the Gulf of Mexico and the Sahara Desert. In addition to these natural barriers, birds may increasingly encounter anthropogenic barriers created by large‐scale changes in land use. One such barrier could be the Corn Belt in the
Fengyi Guo +7 more
wiley +1 more source
El concepto de estructura como medio para la reforma de la empresa
, 1965 J. Manuel González Paramo
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Implosiones y explosiones en medios condensados [PDF]
, 1977 Manuel Rodríguez Fernández
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, 1892 Papel. - Artículo publicado en El Nervión. Suplemento Literario (Bilbao). - Procedencia: fondo Miguel de Unamuno. - Conservación: Buena.
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On the normative roles of biodiversity and naturalness in conservation
Conservation Biology, EarlyView.Abstract Nature is an opaque concept. Consequently, the term biodiversity conservation has replaced nature conservation in most conservation contexts. We review the conceptual indeterminacies that plague the terms nature and natural but then show that comparable difficulties plague biodiversity.
David Saltz, Shlomo Cohen
wiley +1 more source
Fonocardiografía y presiones intracardíacas simultáneas por medio de un micromanómetro [PDF]
, 1961 Augusto Leiva Samper +2 more
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