The seas rise and fall twice a day. Many people barely consider it a curious, more or less annoying whim that widens or narrows the beach where they spend their vacations, although for sailors it's another story. In 330 BC, the explorer Pytheas ventured through the Strait of Gibraltar, headed north in search of tin … Continue reading Tides
The world is starting to become restless with the "Global Warming" that we euphemistically refer to as "Climate Change". "Warming" is a word that allows for very few doubts. On the other hand, "Change" is a vague word that can mean anything and everything. Trying to scare people with immediate apocalypses, desertification tomorrow, rising sea … Continue reading The climate of fungi
To learn about the seasonal changes, one must look at the trees, contemplate the chestnut groves, the great oak forests, and the small poplar groves clinging to a thread of water. Autumn used to be a time of celebration, of gathering apples and pears, pomegranates and fruits of the gods, of harvesting walnuts, hazelnuts, and … Continue reading Autumn in the chestnut grove
Marshes, estuaries, lagoons, and other coastal wetlands can be found throughout the world. Wetlands, in general, are among the most productive ecosystems and host a great biodiversity at a global scale, or at least when compared to other environments, since they combine the presence of water for longer periods of time, nutrient accumulation, and a … Continue reading Coastal wetlands
Gypsum (CaSO4 2H2O) is a mineral belonging to the sulfate group, which is composed of Calcium (Ca2+), Sulfate Anion (SO42-) and Water (H2O), and is part of a very important group of rocks called Evaporites. It is one of the essential raw materials in our society today, used in buildings as plaster for interior facades … Continue reading Gypsum from Fuentes de Ebro
The name of the Tagus river here is truly that, a large cut in the limestone, "a giant cut" from the knife of water and tectonic forces. The gancheros who amazed José Luis Sampedro used to come down here from Peralejos to Aranjuez on a river that still resembles this one: "The upper Tagus is … Continue reading Tajo (still) wild
Basidiomycete fungi are an essential part of forests. Considered in the past as parasites or destroyers of plant remains, they have also gained the status of symbiotic organisms, very important for the growth and health of many plant species. Their cycle is closely related to the physical environment in which they develop, as well as … Continue reading Rebozuelos
In the Geographical-Statistical-Historical Dictionary of Spain and its Overseas Possessions by Pascual Madoz, written between 1845 and 1850, the Ucero River appears with the following description: UCERO: river in the province of Soria, judicial district of Burgo: it has its source in the term of the town of the same name, where it is joined … Continue reading Ucero river
Norway has over 25,000 km of coastline facing the North Atlantic Ocean and oriented almost entirely to the west. It is one of the countries where populations of Atlantic salmon are maintained in an optimal state of conservation, and recreational fishing is a significant leisure activity and attraction for fishermen worldwide. Its recent geological history … Continue reading Summer Salmons
"The history of a stream, even one that is born and lost in the moss, is the history of infinity." This is how Elisée Reclus begins his book "History of a Stream", published 150 years ago in 1869. A book written for ordinary, poorly educated people, for workers caught up in the urban chaos of … Continue reading Story of a stream
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