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geographical information systems

An information system for capturing, storing, integrating, analyzing and displaying geospatial data.

LandVoc browser in AGROVOC: 
<a href='https://explore.landvoc.org/landvoc/en/page/?uri=http://aims.fao.org/aos/agrovoc/c_35131' target='_blank'>https://explore.landvoc.org/landvoc/en/page/?uri=http://aims.fao.org/aos/agrovoc/c_35131</a>
Displaying 21 - 30 of 564
Peer-reviewed publication
January 2021
United States of America

Recent decades have seen a progressive degradation of soils owing to an intensification of farming practices (weeding and high trafficking), increasing use of pesticides and fertilizers, mainly nitrogen, resulting in a steady decline in soil organic matter, a key component to maintain soil fertility.

Peer-reviewed publication
January 2021
China

Recent rapid population growth and increasing urbanisation have led to fast vertical developments in urban areas. Therefore, in the context of the dynamic property market, factors related to the third dimension (3D) need to be considered.

Peer-reviewed publication
January 2021
Ethiopia
Norway

The headwaters of the Blue Nile River in Ethiopia contain fragile mountain ecosystems and are highly susceptible to land degradation that impacts water quality and flow dynamics in a major transboundary river system.

Peer-reviewed publication
January 2021
Hong Kong
Norway

Estimates of the area or percent area of the land cover classes within a study region are often based on the reference land cover class labels assigned by analysts interpreting satellite imagery and other ancillary spatial data. Different analysts interpreting the same spatial unit will not always agree on the land cover class label that should be assigned.

Peer-reviewed publication
January 2021
Poland
United States of America

Sustainable development is socioeconomic growth that integrates political, economic, and social measures alongside environmental protection to meet the needs of communities and citizens without compromising the ability of future generations to meet their needs. The sustainable development concept was initially based on three main pillars: environment, economy, and society.

Peer-reviewed publication
January 2021
Africa

Groundwater is an important natural resource for domestic, agricultural and industrial use. Today, due to climate change, population growth, advanced irrigation practices and industrial uses, the demand for groundwater has increased considerably, and needs to be assessed. This article aims to delimit the potential groundwater zones in the Sandougou basin using GIS and remote sensing.

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Reports & Research
January 2021
Africa
Americas
Asia
Europe
Oceania

Ce document vise à faciliter la collecte de données comparable entre pays pour le calcul des indicateurs des ODD 1.4.2 et 5.a.1 conformément aux méthodologies approuvées par l’IAEG-SDG. Cette publication donne un aperçu des indicateurs, une discussion sur les différents modules de questionnaire proposés et des conseils détaillés pour chacun.

Peer-reviewed publication
December 2020
Mongolia

The urban sprawl process of Ulaanbaatar has changed dramatically due to population growth. Ulaanbaatar city land management master plan defined the settlement zone area suitable for living as 33,698 ha. However, due to unrestricted urban sprawl caused by the exponential growth of the city’s population, the settlement zone area reached 39,235 ha, which exceeds the limit by 5537 ha.

Journal Articles & Books
December 2020

Deforestation and drought are among the greatest environmental pressures on the Amazon rainforest, possibly destabilizing the forest-climate system. Deforestation in the Amazon reduces rainfall regionally, while this deforestation itself has been reported to be facilitated by droughts.

Peer-reviewed publication
December 2020
China
Russia
United States of America

Urban greenness plays a vital role in supporting the ecosystem services of a city. Exploring the dynamics of urban greenness space and their driving forces can provide valuable information for making solid urban planning policies.