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Showing items 1 through 9 of 372.
  1. Library Resource
    Journal Articles & Books
    December, 2014

    AIM: To incorporate changes in alpine land cover (tree line shift, glacier retreat and primary succession) into species distribution model (SDM) predictions for a selection of 31 high‐elevation plants. LOCATION: Chamonix Valley, French Alps. METHODS: We fit linear mixed effects (LME) models to historical changes in forest and glacier cover and projected these trends forward to align with 21st century IPCC climate scenarios. We used a logistic function to model the probability of plant establishment in glacial forelands zones expected to become ice free between 2008 and 2051–2080.

  2. Library Resource
    Journal Articles & Books
    December, 2009

    The industrialization of agriculture in western societies has often led to either intensified use or abandonment of farmland and open pastures, but experimental evidence on how the dynamics of farmed ecosystems affect space use by large herbivores is limited. We experimentally manipulated farmland patches with cutting and (early summer) low- and high-intensity domestic sheep Ovis aries grazing according to traditional use in north Norway.

  3. Library Resource
    Journal Articles & Books
    December, 2013

    This paper re‐interrogates the positions on the agrarian question in India, to reach fresh conclusions about important agrarian policies of the Left, including that of land reforms. Internationally, the classical political economy approach to agrarian transitions has been challenged by positions arguing (a) that neoliberalism and the international corporate food regime have led to a new dominant contradiction between the peasantry and multinational agribusiness or (b) that the agrarian question for capital has been bypassed.

  4. Library Resource
    Journal Articles & Books
    December, 2009
    Vietnam, China

    This study examines the impact of current land policies in China and Vietnam on women's entitlement to land, women's wellbeing and gender power relations. The ethnographic study of one village in each of the two countries contextualizes women's lives in the kinship and marriage system in which power and gender relations are embedded. Current land policies, when implemented in the existing kinship and marriage system, make women's entitlement to land more vulnerable than men's, limit women's choices and weaken their power position.

  5. Library Resource
    Journal Articles & Books
    December, 2016

    In this paper, we ask what the effects of migration and remittances are on land tenure, agriculture and forests, based on empirical evidence from four rural communities in Guatemala. Our results suggest that remittances improve migrant families' access to agricultural land which – depending on the context – fosters more equitable local land distribution patterns or land concentration by migrant families. Changes in the political economy of the country also combine to stimulate these patterns, while remittances contribute to secure land rights held by migrant households.

  6. Library Resource
    Journal Articles & Books
    December, 2014

    Here, we use a unique long‐term data set on total organic carbon (TOC) fluxes, its climatic drivers and effects of land management from a large boreal watershed in northern Finland. TOC and runoff have been monitored at several sites in the Simojoki watershed (3160� km²) since the early 1960s. Annual TOC fluxes have increased significantly together with increased inter‐annual variability. Acid deposition in the area has been low and has not significantly influenced losses of TOC.

  7. Library Resource
    Journal Articles & Books
    December, 2017

    Wetlands are important providers of ecosystem services and key regulators of climate change. They positively contribute to global warming through their greenhouse gas emissions, and negatively through the accumulation of organic material in histosols, particularly in peatlands. Our understanding of wetlands’ services is currently constrained by limited knowledge on their distribution, extent, volume, interannual flood variability and disturbance levels.

  8. Library Resource
    Journal Articles & Books
    December, 2012

    Development of accurate classification methods for rapidly changing catchments like that of Lake Basaka is fundamental to better understanding the catchment dynamics, which were not addressed in previous studies. Thus, the aim of this study was to map the decadal land use/cover (LUC) regimes of the Lake Basaka catchment, utilizing time series of LANDSAT images and to analyse the changes that occurred at different time periods. Both unsupervised and supervised image classification systems were utilized in Earth Resources Data Analysis System (ERDAS) Imagine (9.1).

  9. Library Resource
    Journal Articles & Books
    December, 2006

    Nine midwestern states have laws that restrict the involvement of publicly held corporations in agriculture. Opponents argue that the laws' direct efforts to regulate ownership structure may have an adverse indirect impact on size structure. Restricting corporate involvement might stifle the emergence and growth of efficient, large-scale establishments if corporations have advantages over other organizational forms in meeting capital requirements. Since 1982, Nebraska has had an anti-corporate farming law that prohibits corporate ownership of feedlots.

  10. Library Resource
    Journal Articles & Books
    December, 2015

    Habitat loss and climate change pose a double jeopardy for many threatened taxa, making the identification of optimal habitat for the future a conservation priority. Using a case study of the endangered Bornean orang‐utan, we identify environmental refuges by integrating bioclimatic models with projected deforestation and oil‐palm agriculture suitability from the 1950s to 2080s. We coupled a maximum entropy algorithm with information on habitat needs to predict suitable habitat for the present day and 1950s.

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