The physiological mechanisms underlying drought responses are poorly documented in mangroves, which experience nearly constant exposure to saline water. We measured gas exchange, foliar abscisic acid (ABA) concentration, and vulnerability to embolism …
Maintaining high rates of photosynthesis in leaves requires efficient move- ment of CO2 from the atmosphere to the mesophyll cells inside the leaf where CO2 is converted into sugar. CO2 diffusion inside the leaf depends directly on the structure of …
There are multiple hypotheses for the spectacular plant diversity found in deserts. We explore how different factors, including the roles of ecological opportunity and selection, pro- mote diversification and disparification in Encelia, a lineage of …
Natural selection is an important driver of genetic and phenotypic differentiation between species. For species in which potential gene flow is high but realized gene flow is low, adaptation via natural selection may be a particularly important force …
Plant traits-the morphological, anatomical, physiological, biochemical and phenological characteristics of plants-determine how plants respond to environmental factors, affect other trophic levels, and influence ecosystem properties and their …
A central challenge in plant ecology is to define the major axes of plant functional variation with direct con- sequences for fitness. Central to the three main components of plant fitness (growth, survival, and reproduction) is the rate of metabolic …
PREMISE: Because of its broad range in the neotropical rainforest and within tree canopies, the tank bromeliad _Guzmania monostachia_ was investigated as a model of how varying leaf hydraulic conductance (Kleaf ) could help plants resist and recover …