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The Continuum of Plant Responses to Herbivory: The Influence of Plant Association, Nutrient Availability, and Timing
In a single population of Ipomopsis arizonica (Polemoniaceae), we show a continuum of compensatory responses to vertebrate herbivory. We demonstrate experimentally that the degree of herbivore impactExpand
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Differential tree mortality in response to severe drought: evidence for long‐term vegetation shifts
Summary 1 Although drought frequency and severity are predicted to increase across numerous continental interiors, the consequences of these changes for dominant plants are largely unknown. Over theExpand
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Overcompensation in response to mammalian herbivory: the advantage of being eaten
Plants of scarlet gilia, Ipomopsis aggregata, are exposed to high levels of mammalian herbivory (by mule deer, Odocoileus hemionus, and elk, Cervus elaphus) early in the season, before flowering.Expand
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COMMUNITY AND ECOSYSTEM GENETICS: A CONSEQUENCE OF THE EXTENDED PHENOTYPE
We present evidence that the heritable genetic variation within individual species, especially dominant and keystone species, has community and ecosystem conse- quences. These consequences representExpand
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HYBRID POPULATIONS SELECTIVELY FILTER GENE INTROGRESSION BETWEEN SPECIES
Abstract.— Hybrids have long been recognized as a potential pathway for gene flow between species that can have important consequences for evolution and conservation biology. However, few studiesExpand
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Mortality gradients within and among dominant plant populations as barometers of ecosystem change during extreme drought.
Understanding patterns of plant population mortality during extreme weather events is important to conservation planners because the frequency of such events is expected to increase, creating theExpand
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Mycorrhizae-Herbivore Interactions: Population and Community Consequences
Herbivores and mycorrhizal fungi commonly occur together on host plants and thus are likely to interact in ways that could indirectly affect each other’s performance. In this chapter, we review theExpand
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TREE-RING VARIATION IN PINYON PREDICTS LIKELIHOOD OF DEATH FOLLOWING SEVERE DROUGHT
A severe drought in northern Arizona caused widespread pinyon (Pinus edulis) mortality, exceeding 40% in some populations. We measured tree-ring widths of pinyons that survived and that died in threeExpand
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Adaptive Geometry of Burrow Spacing in Two Pocket Gopher Populations
The configuration and spacing of the burrows of fossorial pocket gophers (Thomomys bottae) were analyzed at two sites in northern Arizona. The burrows represent a tremendous energetic investment andExpand
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Genetically based trait in a dominant tree affects ecosystem processes
Fundamental links between genes and ecosystem processes have remained elusive, although they have the potential to place ecosystem sciences within a genetic and evolutionary framework. UtilizingExpand
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