• Fri. Jul 30th, 2021

Wergosum's

Food, climate, disasters, analyses and more…

food_security

food, agriculture, including cattle etc

Refugees

An analysis published by FAO at mid September 2019 [10] lists dry weather and protracted conflicts as the main factors behind the external food assistance required by 41 countries. 31…

Disasters: sources of information and trends

This post gives a list of web-based sources that publish disaster information suitable for monitoring. This implies that the information is provided near real-time, often unverified and mostly very redundant…

East African humanitarian crisis

East Africa is suffering a deep humanitarian crisis brought about a complex interaction between war and climate, with large refugee fluxes affecting at least seven countries. The situation is compounded…

Global grain stocks

Although they are of paramount strategic importance (or, maybe, because of their strategic importance!) world food stocks are not known. They are mostly estimated indirectly based on other data, with…

African geomatics centres

Many African countries have established and operate dedicated institutions dealing with remote sensing, mapping, GIS, GPS, warning systems and other geomatics applications. In addition, at the initiative of groups of…

Amazing maize…

The post analyses current trends of maize yield and production, and tries to look ahead and see where changes are likely in the future. It is related to a previous…

The three rules of crop yield forecasting

When they have been in a business long enough, “experts” often develop a gusto for the more philosophical side of their trade, and crop forecasters are no exception. Strictly speaking, the philosophical aspects are…

Global food supply trends in 2014, and beyond!

This post analyses the trends of yield, area, and production in the 31 countries that together make up 80 percent of the world supply of maize, rice, wheat, and soybean.…

Using the simple “Miami” Net Primary Production (NPP) potential as a crop monitoring indicator

Routine crop monitoring is done with indices which indirectly describe or capture the effect of environmental variables on crop condition and yield. Among the indicators that indirectly “capture” crop condition,…

Crop monitoring dialects

There are many national and a handful of international crop monitoring and forecasting systems. All maintain websites and publish bulletins, which summarise their analyses for decision makers at the national…

Mixing time series and cross-sectional data

As I was updating a couple of things in another corner of this blog,  I stumbled upon of  a passage in a recent book by Nate Silver (2012) that has…

What, if anything, happened during the Neolithic?

First published 20121020 / Last updated 20121028 Bread is one of the most typical products of agriculture, and, somehow, bread is agriculture. Like many other people, I assumed that bread…

The cost of hunger and malnutrition

Malnutrition remains the world’s most serious health problem and the single biggest contributor to child mortality. Nearly one-third of children in the developing world are either underweight or stunted, and…

Mixing oil, water and food in Saudi Arabia

Updated 20110922 In reaction to the first oil crisis of the mid seventies, the kingdom of Saudi Arabia decided to decrease its dependency on food imports by developing local food…

La famine de 1845 en Irlande

Cette famine me fascine depuis longtemps. J’ai écrit ce petit texte il y a quelques années, et j’ai rassemblé pas mal de documentation sur le sujet. Disons que cette ébauche…

Climate-crop impacts: some data issues

1. Introduction (*) Crop-climate interactions are of relevance for a number of applications, in food security, crop insurance, market planning and climate change impact assessments. All these fields have an…

Exegesis of a scary and – therefore – often quoted passage from the second book of AR4 (II AR4, 9.4.4)

Updated 20111007 This post explains how a vague and unsubstantiated statement in a non-peer reviewed “report” about climate change and agriculture in Maghreb countries made its way via a poor…

Recent rainfall and cattle trends in the Central-Western Sahel

  The graph shows recent trends of climate, urbanisation and a livestock production index (meat and milk). The data stem from various FAO sources: FAOSTAT for the production and population…