Results 101 to 110 of about 3,941,884 (326)
Declaración ambiental ... [PDF]
EMASEnginyeria de sistemes aplicats al medi ...
Adasa Sistemas, S.A
core
, 2007 O objectivo de um sistema é o de oferecer informação clara sobre as consequências de optar por um trajecto ou uma direcção determinada, mas deixando os usuários decidir exactamente onde querem ir. O presente trabalho procura clarificar sobre a definição
Neves, J.V.M.
core
Communication and language in Niklas Luhmann's systems theory [PDF]
, 2010 This article investigates the function and reality of language in Niklas Luhmann's systems theory. How can one interpret the systems-theoretical assumption that language is based on communication?
Maurer, Kathrin
core +4 more sources
People and Nature, EarlyView.Abstract Pastoral practices remain a widespread economic activity across European mountain regions. However, the viability of this activity may be threatened by the recovery of large wild vertebrates associated with passive rewilding, leading to the so‐called human–wildlife conflicts.
P. Acebes +4 more
wiley +1 more source
AIA Avances en Investigación Agropecuaria, 2006 El fenómeno de la desertificación reviste un importante papel en el entorno de los espacios desfavorecidos y frágiles de los países económicamente periféricos y dependientes.
D. De Lima-Vidal +4 more
doaj
, 2013 Os sistemas agroflorestais implantados consistiram da combinacao de especies leguminosas e nao leguminosas em plantio "solteiro" (uma planta/cova) e "casado" (duas plantas/cova). Aos quatro anos apos o plantio, foram realizadas medicoes de circunferencia
M. C. Souza, F. C. M. Piña-Rodrigues
semanticscholar +1 more source
People and Nature, EarlyView.Abstract Farming systems of high natural and cultural value represent approximately 30% of farmlands in the European Union and are associated with a high species and habitat diversity and/or the presence of species of European conservation concern. This study aims to synthesize the existing knowledge on the assessment of biodiversity and ecosystem ...
Elsa Varela +4 more
wiley +1 more source
Costos de producción de vaquillas Holstein con ensilado de caña de azúcar o de maíz
AIA Avances en Investigación Agropecuaria, 2006 El objetivo del presente trabajo fue evaluar los costos de producción de vaquillas Holstein mediante la comparación de dos sistemas de alimentación, basados en ensilado de caña de azúcar (ECA) vs el sistema tradicional del rancho basado en ensilado ...
J. A. Reyes, I. Morales, J. M. Palma
doaj
People and Nature, EarlyView.Abstract Understanding the frequency and socio‐ecological drivers of contacts between humans and non‐human primates (NHPs) is crucial for enhancing coexistence that favours NHP conservation, while limiting negative consequences such as aggressions and cross‐species disease transmission.
Cristina Caparrós‐Vallcorba +3 more
wiley +1 more source
Panorama Económico, 2012 La presente investigación tiene como objetivo evaluar los sistemas de gestión en seguridad y salud ocupacional (SGSO) en Empresas Sociales del Estado de mediana complejidad en Córdoba (Col).
Mónica Hanna-Lavalle
doaj +1 more source