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Latin America Makes Headway Against Land Degradation | Inter Press Service
A soybean plantation in Tocantins, a state in northern Brazil, a country that is poised to be the world's largest producer of soy, a monoculture for which millions of hectares have been deforested. Commercial agriculture, especially livestock farming, and production of soy and palm oil, are key drivers in the degradation of Latin American soils. Credit: Mario Osava / IPS
SANTIAGO, Jan 30 2018 (IPS) - Two-thirds of the 33 countries of Latin America and the Caribbean have already submitted or are preparing to submit to the United Nations their land degradation goals, to combat a problem that threatens agriculture and the lives of their people.
In 2015, the parties to the United Nations Convention to Combat Desertification (UNCCD) agreed to combat desertification and restore degraded land and soil, with national goals, which are based on the level of erosion in each country and which aim to achieve Land Degradation Neutrality (LDN) by 2030.
“What we are doing directly now is to establish a policy of neutral land management. That is, where I degrade, on the other hand I compensate. We cannot continue with these extractive policies in the countries where what is degraded is never given back to the earth,” José Miguel Torrico, the UNCCD coordinator for the region, who is based in Chile, told IPS.
The new commitment, he stressed, is that “What one takes from the earth, one puts back, to maintain its productivity.”
The concept of LDN is defined as “a state whereby the amount and quality of land resources, necessary to support ecosystem functions and services and enhance food security, remains stable or increases within specified temporal and spatial scales and ecosystems.”
“Today we are in the process of setting targets to achieve land neutrality. This is happening in 22 countries of the region that are actively taking part. Some have already established their goals and others, like Brazil, are at the end of the process of setting them,” Torrico said.
According to figures from UNCCD, there are currently more than two billion hectares of degraded land in the world (an area greater than South America), which have the potential for land rehabilitation and forest restoration. Of that total, 14 percent is within the region.
Sally Bunning, Senior Policy officer of Agricultural Systems, Land and Water of the FAO Regional Office for Latin America and the Caribbean, told IPS that “degraded lands represent more than one-fifth of the forests and agricultural lands of Latin America and the Caribbean.”
“Commercial agriculture is a key driver (of that degradation), especially production of meat, soy and palm oil,” she said at the regional office in Santiago.
A farmer next to a community rainwater collection tank, for the agricultural production and domestic needs of a group of families, with which they mitigate the effects of the recurrent droughts that devastate their rural communities in the northern Argentine province of Chaco, part of one of the Latin American regions with the greatest erosion of its soils. Solutions like this improve the lives of local residents in the degraded lands of the region. Credit: Fabiana Frayssinet / IPS
The expert explained that “the main areas of farmland that are facing multiple pressures include, but are not limited to, dry lands in northeastern Brazil, areas of agricultural expansion in the area of the Argentine Chaco, central Chile, farmland in southern Mexico, and parts of Cuba and Haiti.”
Bunning explained that desertification “accelerates with overgrazing as well as the growth of demand for meat and other agricultural products such as soy, sugar and cotton worldwide.”
“It is estimated that in Latin America most of the degraded lands were degraded due to deforestation (100 million hectares) and overgrazing (70 million hectares). The increase in international demand encourages farmers and large landowners to deforest in order to extend their agricultural areas and pastures for livestock farming,” she said.
According to the FAO regional official, addressing the problem is crucial “to manage the livestock sector and limit the complete elimination of the original vegetation to replace it with crops.”
“In South America, urgent action is needed in the Gran Chaco, an area that covers four countries: Paraguay, Argentina, Bolivia, and to a lesser degree Brazil,” Bunning said.
“More than half of the territory in Argentina and Paraguay are affected by problems of desertification presenting a net loss of 325,000 hectares of forest per year in Paraguay, and 45 percent and 43 percent of the loss of forests were respectively caused by the expansion of pastures and the expansion of land for commercial crops in Argentina,” she said.
Torrico recalled, in turn, that several countries “have been hit very hard by climate phenomena. For example, the El Niño phenomenon affected them seriously and there have been very severe droughts in what has to do with the degradation of soils, but also with the effects suffered by the population.”
According to the UNCCD regional coordinator, Latin American small farmers are directly affected because they have less water for their crops and in some extreme cases they are forced to migrate.
He added that desertification is closely associated with migration, noting as an example that 80 to 90 percent of migrants from Africa are a visible effect of desertification.
Las Canoas Lake, near the capital of Nicaragua, dries up every time the El Niño weather phenomenon arrives to Nicaragua and leaves its inhabitants without fish and water for their crops. Credit: Guillermo Flores / IPS
“The migration of Haitians that Chile is currently experiencing is basically people who come from rural areas where they no longer have any chance to farm. They do not come from cities but from rural areas,” Torrico pointed out as an example of this situation in the countries of Latin America and the Caribbean.
Bunning, meanwhile, said that “unequal distribution and lack of access and control of land and its resources can be key factors of poverty, food insecurity and land degradation.”
“In Latin America, conflicts are mainly between landless people and large landowners, and between landless people and indigenous communities,” she explained.
She said that “the key factors of conflicts over land include a combination of inequitable access to and control over land, degradation of natural resources, historical demands and demographic pressures, exacerbated by weak management and political corruption.”
Torrico added that the problem of desertification is also closely associated with climate change.
“It is already clear that rainfall will decrease significantly in sectors of the continent. How do we forecast this? With an early warning system, so we know in advance when we are going to have a drought and, how do we prepare for this?” he asked.
“With efficient water catchment systems, reservoirs, dams and wells. And with better farming techniques, with mechanised irrigation, drip irrigation and more effective crops and better seed quality,” he answered.
Bunning warned that in the region “there are still no programmes to take into account the importance of water management.”
“For me this is one of the most important parts of the problem of degradation. It is not always degradation of the soils, but also the degradation of the capacity to retain water in the soil, to store and reuse water in agriculture, but also to be reused by other users,” she said.
The FAO expert listed solutions for this, such as “localised drip systems and more efficient systems, to also reduce evaporation.”
“There are technologies to use greenhouses, plastic cover in the fields, to pump water using solar panels, to distribute fertilisers in the water and reduce the problems of over-exploitation of fertilisers,” she detailed among the instruments that are at hand.
ver historia personal en: www.cerasale.com.ar [dado de baja por la Cancillería Argentina por temas políticos, propio de la censura que rige en nuestro medio]//
weblog.maimonides.edu/farmacia/archives/UM_Informe_Autoevaluacion_FyB.pdf - //
weblog.maimonides.edu/farmacia/archives/0216_Admin_FarmEcon.pdf - //
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