agricultural land cover Articles

  • Surface energy balance algorithm for land-based consumption water use of different land use-cover types in arid-semiarid regions

    Spatiotemporal distributions of water consumption for various land use-cover types over the Eastern province of Saudi Arabia were estimated using Surface Energy Balance Algorithm. Water consumption of various land use and cover classes shows similar seasonal dynamic trends. The spatial distribution of annual actual evapotranspiration (AET) shows low values in the Empty Quarter (231–438 mm/yr), ...


    By IWA Publishing

  • The localization of agriculture

    In the United States, there has been a surge of interest in eating fresh local foods, corresponding with mounting concerns about the climate effects of consuming food from distant places and about the obesity and other health problems associated with junk food diets. This is reflected in the rise in urban gardening, school gardening, and farmers’ markets. With the fast-growing local foods ...


    By Earth Policy Institute

  • Soil water recharge for grassed and forested land covers on the Oak Ridges Moraine, southern Ontario, Canada

    Soil water recharge (R) below 1 m depth was estimated via a 1-d water balance for grasslands, hardwood stands and red pine plantations on the Oak Ridges Moraine (ORM) in southern Ontario, Canada. Annual R values (431–696 mm) were in the order of previous estimates for outcropping sands and gravels on the ORM (∼400 mm); however, they only partially supported hypothesized ...


    By IWA Publishing

  • Land accounts for Europe 1990-2000

    Changes in land cover in Europe reflect modifications in the uses of land, which often compete for the same resource: development of artificial surfaces for housing, transport and economic activities; intensification or extensification of agriculture practices; conversion of natural land to agriculture or farmland abandonment; afforestation or deforestation. Accounting for land cover change in a ...

  • Mapping of forest cover and assessment of ecosystems and ecosystem services related to local livelihoods

    The municipality of Santa Cruz del Quiché, located in the Quiché Department of Guatemala, is characterized by degraded natural resources and a population highly vulnerable to climate change impacts. As part of the Partners for Resilience programme, Guatemalan Red Cross and Wetlands International conducted a study to map the forest cover and ecosystems of the Cucubá river ...


    By Wetlands International

  • Soil Management for Sustainable Agricultural Productivity in Bangladesh

    Introduction: The 'rules of road' by which agricultural researchers measure the impact of their work are being restudied. The first conclusion is that it is impossible to choose between food needs of today and food needs of 100 years from now. Somehow the food ...

  • Good Agricultural Practice in the United States: Conservation and Climate

    Keywords: Good agricultural practice, conservation compliance, conservation incentives, land retirement, working land, sustainable agriculture, US agricultural policy, climate change and agriculture Abstract: Agriculture depends on the environment for production of food and fibre, yet agricultural activities may emit harmful pollutants. US law and policy encourage ...


  • Model forecasts long-term impacts of forest land-use decisions

    The drive to develop crops for use as biofuel, continues to raise questions about additional uses of forest land.  A cutting edge computer model developed at North Carolina State University offers detailed insight to predict the environmental impact – along with understanding forest ecosystem response to global climate change. “We think the model will help policy makers and ...

  • Opinion: Greening European Agriculture Policy – A Step Forward?

    The long-awaited resolution of the deadlock over the future of European farm subsidies appears to be in sight. After lengthy and tortuous discussions, the European Commission, Council and European Parliament reached a political agreement on 26 June 2013 setting out the main parameters for the reform of the Common Agricultural Policy (CAP) from 2015.1 These are based, in large part, on proposals ...


  • Relationship between Riparian Vegetation and Stream Benthic Communities at Three Spatial Scales

    We examined the influence of riparian vegetation on macroinvertebrate community structure in streams of the Upper Thames River watershed in southwestern Ontario. Thirty-three µ-basins (129–1458 ha) were used to identify land cover variables that influenced stream macroinvertebrates. Micro-basins represented the entire drainage area of study streams and were similar in stream order (first, second) ...


    By Springer

  • The Chilean Water Allocation Mechanism, established in its Water Code of 1981

    A long narrow strip of land (no more than 430 km wide) between the Andes and the Pacific Ocean, Chile stretches 4,630 km from near lat. 18°S to Cape Horn (lat. 56°S), including at its southern end the Strait of Magellan and Tierra del Fuego, an island shared with Argentina. In the Pacific Ocean are Chile's several island possessions, including Easter Island, the Juan Fernández ...


    By IWA Publishing

  • Valuation of nitrogen retention as an ecosystem service on a catchment scale

    An ecosystem service approach was used to study the water purification service exemplified by impacts of land management scenarios. Nitrogen retention was calculated in two agricultural catchments by the dynamic Integrated Nutrients in Catchments (INCA)-N model. The monetary valuation was based on purification efficiency of artificial wetlands. The set of scenarios were based on existing ...


    By IWA Publishing

  • Detection of biotic responses to urbanization using fish assemblages from small streams of western Georgia, USA

    We examined relationships between stream fish assemblages and land use alteration associated with urbanization in 15 lower Piedmont watersheds along an urbanization gradient north of Columbus, western Georgia. Based on land cover data from 2002 Landsat 7 TM imagery aerial photos, streams drained watersheds that were largely urban, developing (suburban), agricultural (pasture), managed pine ...


    By Springer

  • Farmers' (local and colonists) perceptions of environmental changes in the forest frontier of the upper Amazon, Peru

    Amazon ecosystem degradation profoundly impacts life supporting processes of global importance such as climate regulation, as well as local conditions for livelihoods. In Peru's highland jungle, an expanding deforestation front of forest conversion to agriculture has vastly transformed the landscape. Small–scale farming, the main driver of forest degradation, and consequently household natural ...


    By Inderscience Publishers

  • Interactive Forest Atlas of Equatorial Guinea

    The synthesis document of the Interactive Forest Atlas of Equatorial Guinea (V1.0) gives an overview of the forest sector in Equatorial Guinea through 2013. It starts with a discussion of forest legislation and follows with information about land use allocation and land cover types in the National Forest Reserve through July 2013. Amongst others, the Interactive Forest Atlas of Equatorial Guinea ...

  • Corn and soybean mapping in the united states using modis time-series data sets

    Monitoring and mapping of U.S. croplands has long been a primary goal of many users of earth observation satellite data. The advantages of using low spatial and high temporal resolution data are (i) increased ability to monitor the phenological change of crop plants, and (ii) the possibility of generating consistent large area crop cover maps. This study investigates the potential of 500-m MODIS ...

  • Modeling the stream water Nitrate dynamics in a 60,000-km2 European catchment, the Garonne, Southwest France

    The spatial and temporal dynamics in the stream water NO3–N concentrations in a major European river-system, the Garonne (62,700 km2), are described and related to variations in climate, land management, and effluent point-sources using multivariate statistics. Building on this, the Hydrologiska Byråns Vattenbalansavdelning (HBV) rainfall-runoff model and the Integrated Catchment Model of ...

  • Losing Soil

    In 1938, Walter Lowdermilk, a senior official in the Soil Conservation Service of the U.S. Department of Agriculture, traveled abroad to look at lands that had been cultivated for thousands of years, seeking to learn how these older civilizations had coped with soil erosion. He found that some had managed their land well, maintaining its fertility over long stretches of history, and were ...


    By Earth Policy Institute

  • Indigenous biodiversity `crucial` to forest futures

    Forestry experts are calling for an increase in the use of native tree species in reforestation projects, arguing that they are better for biodiversity and can slow the pace of global warming. The recommendation ...


    By SciDev.Net

  • Zimbabwe`s New Farmers Fail to Deliver

    HARARE, Zimbabwe, (ENS) - Six years after President Robert Mugabe sanctioned violent invasions of Zimbabwe's commercial farmland - mostly but not entirely white owned - by landless peasants, the facts show that the so-called new farmers have failed dramatically to produce crops to feed their countrymen. The poor peasants who led the invasions, at the behest of Mugabe, have ...

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