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Il y a 667 éléments de contenu liés à échelle (cartographie) sur le Land Portal.

échelle (cartographie)

L'échelle est le rapport entre le représentation des phénomènes sur la carte (ou le plan) et leur mesure dans la réalité.

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janvier 2024
Kenya

A range of studies have highlighted the negative impacts of Covid-19 disruptions on incomes, food and nutrition security among rural agricultural communities in developing countries. However, knowledge of how such disruptions affect different categories of small-scale farmers in Sub-Sahara Africa is lacking.

janvier 2024
Bangladesh

High-resolution mapping of rice fields is crucial for understanding and managing rice cultivation in countries like Bangladesh, particularly in the face of climate change. Rice is a vital crop, cultivated in small scale farms that contributes significantly to the economy and food security in Bangladesh.

janvier 2024
Global

Agriculture consumes the largest share of freshwater globally; therefore, distinguishing between rainfed and irrigated croplands is essential for agricultural water management and food security.

janvier 2024
Éthiopie

Livestock route and related resources mapping, understanding their status and better protection of the routes in the pastoral areas are the first steps towards developing the areas.

janvier 2024
Global

Plant diversity has long been linked to an increase in ecosystem productivity and function, but concrete examples in which ecosystem services are linked to diversity at the scale at which management decisions are taken are rare. We specifically tested for a correlation between plant diversity and provisioning ecosystem services estimated via the potential to produce meat and wool.

janvier 2024
États-Unis d'Amérique
Norvège

Background and context

janvier 2024
Pakistan

Climate change is one of the most pressing challenges confronting our global system today. The scientific community has clearly established that global temperatures are rising and the consequences of climate change may swiftly transition from an environmental risk to an economic threat. Agriculture sector is particularly vulnerable to changes in weather and climatic condition.

janvier 2024
Inde

The global discourse within the realm of agriculture has been dominated with challenges of food security (FAO, 2022), (HLPE, Food security and nutrition: building a global narrative towards 2030, 2020) loss of biodiversity, environmental pollution and resource degradation and climate change.

janvier 2024
Global

Sustainable intensification practices suitable for smallholders in southern Africa will be needed to counteract the impact of future climate change and soil fertility decline in the region. Diversification of maize-based farming systems with grain legumes could play a key role.

janvier 2024
Global

Infrastructure in river basins is essential to achieving several Sustainable Development Goals (SDGs), including SDG 2 on zero hunger, SDG 6 on water and sanitation, and SDG 7 on affordable and clean energy. However, important tradeoffs and synergies need to be navigated across these goals as both water and resources for infrastructure investments are limited.

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