How a thirsty Spanish landscape sustains Europe's garden

How a thirsty Spanish landscape sustains Europe's garden
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In short: In the sun-drenched southeast of Spain, a region of low rainfall and high heat manages a feat of agricultural endurance. Through massive engineering and ancient irrigation, the Region of Murcia has transformed arid plains into one of Europe's most vital producers of fruits and vegetables.

The Region of Murcia, an autonomous community established in 1982, is a land of geographic contrasts. While the Baetic Cordillera mountains border the Mediterranean, the northern reaches feature the rising tablelands of Jumilla and Yecla. The landscape is defined by the Segura River, which flows through the center to irrigate the 'huertas'—rich, family-run farming plots. Despite this fertility, the climate is notably dry; annual precipitation varies from roughly 170 mm near Cape Tiñoso to about 280 mm in Cartagena.

To combat this aridity, the region has relied on significant water engineering. Since the 1960s, the Tagus-Segura river scheme has transferred water into the region to support intensive farming. However, by the early 21st century, these supplies became depleted, requiring central government approval in Madrid for continued transfers. This scarcity creates a tension between the needs of the booming tourism industry along the 258-kilometre coastline and the demands of the agricultural sector.

The region's history is equally layered. Once a kingdom annexed by Castile in 1243, it has seen shifting borders, including a 1304 cession of territory to Valencia. Today, the economy is a mix of tradition and industry. While small-scale 'minifundios' and thatched 'barraca' farmhouses persist, Cartagena has evolved into a major industrial and petrochemical hub, exploiting local resources like salt, lead, and zinc. The area also holds immense cultural value, featuring 72 UNESCO-recognized cave art ensembles and the saltwater Mar Menor lagoon.

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