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Résultats de la recherche

Showing items 1 through 9 of 858.
  1. Library Resource

    Volume 9 Issue 4

    Publication évaluée par des pairs
    avril, 2020
    Mexique

    Various sectors of stakeholders (urban, agricultural, policymakers, etc.) are frequently engaged in participatory research projects aimed at improving water resources’ sustainability. However, a process for comprehensive and integrative identification, classification, and engagement of all types of water stakeholders for a region or river basin, especially in a transboundary context, is missing for water resources research projects.

  2. Library Resource

    Volume 9 Issue 3

    Publication évaluée par des pairs
    mars, 2020
    Guatemala, Mexique

    This article investigates how migration and remittances affect forest cover in eight rural communities in Guatemala and Chiapas, Mexico. Based on household surveys and remote sensing data, we found little evidence to support the widespread claim that migration takes pressure off forests. In the Chiapas sites, we observed no significant changes in forest cover since 1990, while in the Guatemalan sites, migration may have increased demand for agricultural land, leading to an average annual forest loss of 0.73% during the first decade of the millennium.

  3. Library Resource

    Volume 8 Issue 10

    Publication évaluée par des pairs
    octobre, 2019
    Mexique, États-Unis d'Amérique

    This paper presents a synopsis of the challenges and limitations presented by existing and emerging land use/land cover (LULC) digital data sets when used to analyze the extent, habitat quality, and LULC changes of the monarch (Danaus plexippus) migratory habitat across the United States of America (US) and Mexico. First, the characteristics, state of the knowledge, and issues related to this habitat are presented.

  4. Library Resource

    Volume 8 Issue 10

    Publication évaluée par des pairs
    octobre, 2019
    Mexique, Allemagne

    The ejido system, based on communal land in Mexico, was transformed to private ownership due to neoliberal trends in the 1990s. Based on the theory of stakeholders being agents of change, this study aimed to describe the land policies that changed the ejido system into private development to show how land tenure change is shaping urban growth. To demonstrate this, municipalities of San Andrés Cholula and Santa Clara Ocoyucan were selected as case studies.

  5. Library Resource

    Volume 8 Issue 5

    Publication évaluée par des pairs
    mai, 2019
    Mexique

    An unprecedented land conservation effort is presently underway in the Gulf of Mexico Coastal Region (GCR) due to an influx of funds from settlements related to the 2012 RESTORE Act. A complete understanding of the priorities of the states in the GCR is critical to ensure that land conservation planning efforts are implemented effectively and efficiently. The paper reviews past, current, and future land conservation priorities in the GCR to inform strategic planning efforts.

  6. Library Resource

    Volume 8 Issue 4

    Publication évaluée par des pairs
    avril, 2019
    Mexique

    This paper describes how subdivision and development of rangelands within a remote and celebrated semi-arid watershed near the US–Mexico border might affect multiple ecohydrological services provided, such as recharge of the aquifer, water and sediment yield, water quality, flow rates and downstream cultural and natural resources. Specifically, we apply an uncalibrated watershed model and land-change forecasting scenario to consider the potential effects of converting rangelands to housing developments and document potential changes in hydrological ecosystem services.

  7. Library Resource

    Volume 8 Issue 2

    Publication évaluée par des pairs
    février, 2019
    Mexique, Amérique septentrionale

    The Tehuacán-Cuicatlán Valley, Mexico, is the semiarid region with the richest biodiversity of North America and was recently recognized as a UNESCO’s World Heritage site. Original agricultural practices remain to this day in agroforestry systems (AFS), which are expressions of high biocultural diversity. However, local people and researchers perceive a progressive decline both in natural ecosystems and AFS.

  8. Library Resource

    Volume 8 Issue 1

    Publication évaluée par des pairs
    janvier, 2019
    Mexique

    Protected Areas (PA) are the main strategy for nature conservation. However, PA are not always efficient for ecological conservation and social wellbeing. A possible alternative for conservation in human-dominated landscapes are Multifunctional Landscapes (ML), which allow the coexistence of multiple objectives, such as nature conservation and resource use. Using the activity system framework, we analyzed whether the ML concept was an operative alternative to PA within an area of interest for conservation in Veracruz, Mexico.

  9. Library Resource

    Volume 7 Issue 3

    Publication évaluée par des pairs
    septembre, 2018
    Mexique

    Maize is an important staple crop in Mexico, and the recent intensification of climate variability, in combination with non-climatic forces, has hindered increases in production, especially for smallholder farmers. This article demonstrates the influence of these drivers on maize production trends in the three states of the Yucatan Peninsula using a mixed methods approach of climatic analysis and semi-structured interviews.

  10. Library Resource

    Volume 6 Issue 4

    Publication évaluée par des pairs
    décembre, 2017
    Mexique

    It has been suggested that agricultural land use change and modernization in agricultural production techniques are related to the loss of crop diversity. Two processes contribute to this loss; first is the replacement of landraces by modern varieties, and second is the abandonment of traditional crops in favor of cash crops. We studied the expression of these processes in a region that is both an agro-biodiversity and cultural center and one of the most significant fruit exporters of Mexico.

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