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Mostrando ítems 1 a 9 de 1200.
  1. Library Resource

    Volume 8 Issue 12

    Publicación revisada por pares
    Diciembre, 2019
    Canadá, Europa

    Climate change may increase the importance of agriculture in the global Circumpolar North with potentially critical implications for pristine northern ecosystems and global biogeochemical cycles. With this in mind, a global online survey was conducted to understand northern agriculture and farmers’ perspective on environmental change north of 60° N.

  2. Library Resource

    Volume 8 Issue 3

    Publicación revisada por pares
    Marzo, 2019
    Canadá

    We established the statistical relationships between seasonal weather variables and average annual wheat yield (Hard Red Spring and Durum wheat: Triticum spp.) for the period of 1979–2016 for 296 rural municipalities (RMs) throughout six soil zones comprising the arable agricultural zone of Saskatchewan, Canada. Controlling climate variables were identified through Pearson’s product moment correlation analysis and used in stepwise regression to predict wheat yields in each RM.

  3. Library Resource

    Volume 8 Issue 1

    Publicación revisada por pares
    Enero, 2019
    Canadá

    This article provides analysis of the issues relating to movement towards new models for Indigenous-led conservation in light of Canada’s initiatives for greater protected areas representation through Target 1. We provide a background on Canada’s Pathway to Target 1, which is based on Target 11 from the Aichi Biodiversity Targets set forth by the Convention on Biological Diversity (CBD).

  4. Library Resource

    Volume 7 Issue 4

    Publicación revisada por pares
    Diciembre, 2018
    Canadá

    At present, 10.5% of Canada’s land base is under some form of formal protection. Recent developments indicate Canada aims to work towards a target of protecting 17% of its terrestrial and inland water area by 2020. Canada is uniquely positioned globally as one of the few nations that has the capacity to expand the area under its protection. In addition to its formally protected areas, Canada’s remote regions form de facto protected areas that are relatively free from development pressure.

  5. Library Resource
    Artículos de revistas y libros
    Diciembre, 1996
    México, Canadá, Guatemala, África septentrional, Asia meridional

    This paper discusses the centers of origin and diversity for bread wheat; sketches historical patterns in the sources and use of wheat genetic resources in modern plant breeding; identifies and compares indicators of genetic diversity used by social and biological scientists; reviews the relationship of wheat genetic diversity to yield stability and vulnerability to disease; develops a profile of the structure of genetic variation in wheat in the developing world today; and investigates how scientific plant breeding has influenced the structure of genetic variation among the major bread whe

  6. Library Resource
    Documentos de política y resúmenes
    Diciembre, 2008
    Canadá

    Agricultural land protection near the urban-rural fringe is a goal of manyjurisdictions, including British Columbia, Canada, which uses a provincial-widezoning scheme to prevent subdivisions and non-agricultural uses of the land.Preferential taxes are also used to encourage agricultural use of the land. Small scalehobby farmers are present at the urban fringe near Victoria (the capital), both insideand outside of the Agricultural Land Reserve (ALR).

  7. Library Resource
    Artículos de revistas y libros
    Diciembre, 2014
    Canadá, Estados Unidos de América

    Recent food crises have highlighted the need to better understand the between-year variability of agricultural production. Although increasing future production seems necessary, the globalization of commodity markets suggests that the food system would also benefit from enhanced supplies stability through a reduction in the year-to-year variability.

  8. Library Resource
    Artículos de revistas y libros
    Diciembre, 2017
    Canadá

    Variants of Indigenous forest management reflect distinct historical and political-economic contexts. Indigenous forest management was largely unrecorded in the colonial period and, in the present, can range from industrial to ecosystem-based forest management, autonomous management and rentier practices. Evidence of Indigenous forest management has assumed political importance in those nation-states that require historical evidence of past land use and occupancy as the basis for negotiation of Indigenous-titled lands.

  9. Library Resource
    Artículos de revistas y libros
    Noviembre, 2018
    Nepal, Estados Unidos de América, Jamaica, Canadá, México, Países Bajos

    More than 80 percent Canadians live in cities with almost one-quarter of country’s total population living in the Greater Golden Horseshoe (GGH) area. The GGH stretches in a curve around the western side of Lake Ontario with the City of Toronto occupying the northern side of the horseshoe. The GGH is an area of high potential food production as well as rapid population growth creating a mix of difficult to reconcile, opposing demands. For example, the need for housing and residential infrastructure conflicts directly with the need to preserve prime agricultural lands.

  10. Library Resource
    Artículos de revistas y libros
    Junio, 2018
    Montenegro, Nicaragua, Chile, Italia, Indonesia, Portugal, Bolivia, Canadá, Argentina, India, Uruguay, Colombia, Brasil, Países Bajos

    El manual proporciona información sobre los procedimientos que siguen las brigadas de campo para realizar el establecimiento de los conglomerados y parcelas permanentes del Inventario Forestal Nacional (IFN). Asimismo, suministra información acerca de la planificación y ejecución de cada una de las fases que contempla el operativo, describe los métodos, técnicas e instrumentos que se emplean en la toma de los datos, y detalla el proceso de diligenciamiento de los formatos creados por IDEAM para registrar los datos e información de campo.

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