The Swiss phenological observation network celebrates its 75th anniversary. Conducted since 1951, the surveys of the development phases of vegetation show that its awakening in the spring is now two weeks earlier, because of the warmingThe sun hits hard in this late afternoon of May. The countryside around the city of Versoix, posted on the north shore of the Geneva, is flooded with light.The trees spread their plume of green leaves.Some species…
The Swiss phenological observation network celebrates its 75th anniversary. Conducted since 1951, the surveys of the development phases of vegetation show that its awakening in the spring is now two weeks earlier, because of the warmingThe sun hits hard in this late afternoon of May. The countryside around the city of Versoix, posted on the north shore of the Geneva, is flooded with light.The trees spread their plume of green leaves.Some species…