Insect seed and cone predation reduces reproductive potential of treeline conifers across northern Canada

Lucas Brehaut, Katie Goodwin, Kirsten Reid, Anna Crofts, Ryan Danby, Steven Mamet & Carissa Brown
Aim: Altitudinal and latitudinal treeline ecotones have not consistently responded to climate warming the in direction and/or magnitude as predicted by climate alone, suggesting that non-climatic mechanisms (e.g., biotic interactions) are also mediating treeline range dynamics. Through a collaborative research approach, we assessed environmental conditions associated with insect cone granivory and how this biotic interaction may govern the reproductive potential, and therefore range dynamics, of spruce-dominated treelines across northern Canada. Location: Ten boreal forest treelines,...
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