Physiological-ecological responses of Iris germanica L. to Cd stress and its accumulation of Cd The physiological and ecological responses of the seed germination of Casuarina equisetifolia to chromic stress Phytoplankton community structure and its ecological responses to environmental changes in Jinzhou Bay, China The ecological responses of Pinus tabulaeformis forests in Taiyue Mountains of Shanxi to artificial Harvesting A review on responses of butterflies to global climate change