https://popups.lib.uliege.be/2984-0317/index.php?id=424 Entrées d’index fr 0 https://popups.lib.uliege.be/2984-0317/index.php?id=422 Black grouse populations show marked temporal variations, which are determined by natural interactions between climate, vegetation cover, prey populations and predators. The understanding of the mechanisms regulating these short-term fluctuations would be useful to predict timing and trends of cycling. But the biologists have neither means nor reasons for interfering and controlling these interactions within the eco-system. Thu, 25 Jan 2024 11:24:54 +0100 Thu, 25 Jan 2024 11:25:05 +0100 https://popups.lib.uliege.be/2984-0317/index.php?id=422