Filters: Tags: Plant pathogens (X)
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Pathogens and herbivores can severely reduce host fitness, potentially leading to altered succession rates and changes in plant community composition. Thus, to predict vegetation dynamics under climate change, it is necessary to understand how plant pathogens and herbivores will respond. Pathogens and herbivores are predicted to increase under climate warming because the amount of time available for growth and reproduction will increase. To test this prediction, we used a warming experiment in which heaters were suspended over a natural montane meadow for 12 years. In the summer of 2002, we quantified damage by all the observable (aboveground) pathogens and herbivores on six of the most common plant species (Artemisia...
Categories: Publication;
Types: Citation,
Journal Citation;
Tags: Artemisia tridentata,
CO2,
Ecology,
Erigeron speciosus,
Helianthella quinquenervis,
Understanding of the influence of global warming has been limited by a paucity of experiments. Taking advantage of the largest, longest-running experimental warming of a forest, we convened dozens of scientists from across the world to collect data to study and understand how bacteria, fungi, herbivores, plant pathogens, insects and a diversity of other groups respond to warming. We found that warming had a significant impact on ecosystems at both a site in North Carolina, as well as a more northern site in Massachusetts. The types of effects, however, differed between the north and south; they also differed as a function of the organisms considered. While warming affected all levels of organization, it had the...
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